Trial Outcomes & Findings for A 13-Week, Randomized, Double-Blind, Multicenter, Placebo-Controlled Study Of Pregabalin For Postherpetic Neuralgia (NCT NCT00394901)

NCT ID: NCT00394901

Last Updated: 2021-02-09

Results Overview

Endpoint mean pain score is defined as the mean of the last 7 daily pain diary rating while taking the study medication, up to and including day after last dose. Scores range from 0-10 (11 points ordinal) with higher scores indicating increased pain.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

372 participants

Primary outcome timeframe

Week13/discontinuation

Results posted on

2021-02-09

Participant Flow

Fifty (50) centers in Japan

After a 1-week baseline phase, subjects were stratified into 1 of 2 strata based on their creatinine clearance (CLcr) values (Low, 30 \<CLcr \<=60 mL/min or Normal, CLcr \> 60 mL/min) and then equally randomized into 1 of 4 treatment groups.

Participant milestones

Participant milestones
Measure
Placebo
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Baseline Phase
STARTED
98
87
90
97
Baseline Phase
COMPLETED
98
87
89
97
Baseline Phase
NOT COMPLETED
0
0
1
0
Double-blind Phase
STARTED
98
87
89
97
Double-blind Phase
COMPLETED
83
73
71
70
Double-blind Phase
NOT COMPLETED
15
14
18
27

Reasons for withdrawal

Reasons for withdrawal
Measure
Placebo
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Baseline Phase
Protocol Violation
0
0
1
0
Double-blind Phase
Adverse Event
5
7
16
20
Double-blind Phase
Lack of Efficacy
6
4
1
3
Double-blind Phase
Withdrawal by Subject
2
0
0
0
Double-blind Phase
Lost to Follow-up
0
0
0
1
Double-blind Phase
Protocol Violation
0
0
0
1
Double-blind Phase
Death
1
0
0
0
Double-blind Phase
Subject's Personal Reason
1
0
0
1
Double-blind Phase
Lack of Compliance
0
3
0
0
Double-blind Phase
Entry into another study was found
0
0
1
0
Double-blind Phase
Found not to meet entrance criteria
0
0
0
1

Baseline Characteristics

A 13-Week, Randomized, Double-Blind, Multicenter, Placebo-Controlled Study Of Pregabalin For Postherpetic Neuralgia

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Placebo
n=98 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=87 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=89 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=97 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Total
n=371 Participants
Total of all reporting groups
Age, Continuous
71.1 years
STANDARD_DEVIATION 8.6 • n=5 Participants
70.2 years
STANDARD_DEVIATION 9.2 • n=7 Participants
70.9 years
STANDARD_DEVIATION 9.8 • n=5 Participants
68.4 years
STANDARD_DEVIATION 12.5 • n=4 Participants
70.1 years
STANDARD_DEVIATION 10.2 • n=21 Participants
Age, Customized
<18 years
0 participants
n=5 Participants
0 participants
n=7 Participants
0 participants
n=5 Participants
0 participants
n=4 Participants
0 participants
n=21 Participants
Age, Customized
Between 18 and 44 years
2 participants
n=5 Participants
1 participants
n=7 Participants
2 participants
n=5 Participants
6 participants
n=4 Participants
11 participants
n=21 Participants
Age, Customized
Between 45 and 64 years
12 participants
n=5 Participants
17 participants
n=7 Participants
15 participants
n=5 Participants
20 participants
n=4 Participants
64 participants
n=21 Participants
Age, Customized
>=65 years
84 participants
n=5 Participants
69 participants
n=7 Participants
72 participants
n=5 Participants
71 participants
n=4 Participants
296 participants
n=21 Participants
Sex: Female, Male
Female
41 Participants
n=5 Participants
44 Participants
n=7 Participants
44 Participants
n=5 Participants
44 Participants
n=4 Participants
173 Participants
n=21 Participants
Sex: Female, Male
Male
57 Participants
n=5 Participants
43 Participants
n=7 Participants
45 Participants
n=5 Participants
53 Participants
n=4 Participants
198 Participants
n=21 Participants
Region of Enrollment
Japan
98 participants
n=5 Participants
87 participants
n=7 Participants
89 participants
n=5 Participants
97 participants
n=4 Participants
371 participants
n=21 Participants

PRIMARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Endpoint mean pain score is defined as the mean of the last 7 daily pain diary rating while taking the study medication, up to and including day after last dose. Scores range from 0-10 (11 points ordinal) with higher scores indicating increased pain.

Outcome measures

Outcome measures
Measure
Placebo
n=97 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=86 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=89 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=97 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Pain Scores at Endpoint
5.12 score on scale
Standard Error 0.19
4.81 score on scale
Standard Error 0.20
4.26 score on scale
Standard Error 0.20
4.49 score on scale
Standard Error 0.19

PRIMARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Endpoint mean pain score is defined as the mean of the last 7 daily pain diary rating while taking the study medication, up to and including day after last dose. Scores range from 0-10 (11 points ordinal) with higher scores indicating increased pain.

Outcome measures

Outcome measures
Measure
Placebo
n=97 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=92 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=122 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Pain Score at Endpoint by Groups of Subjects With Expected Similar Plasma Concentrations
4.99 score on scale
Standard Error 0.18
4.35 score on scale
Standard Error 0.19
4.34 score on scale
Standard Error 0.16

PRIMARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

A responder is defined as a subject with a 50% reduction in weekly mean pain score from baseline to endpoint.

Outcome measures

Outcome measures
Measure
Placebo
n=97 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=86 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=89 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=97 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Number of Responders
15 participants
21 participants
32 participants
30 participants

PRIMARY outcome

Timeframe: Week 1

Population: Full analysis set. Observed case.

Weekly mean pain score is defined as the mean of the last 7 daily diary pain ratings. Scores range from 0-10 (11 points ordinal)with higher scores indicating increased pain.

Outcome measures

Outcome measures
Measure
Placebo
n=97 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=86 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=89 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=97 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Pain Scores at Week 1
5.96 score on scale
Standard Error 0.17
5.45 score on scale
Standard Error 0.18
5.21 score on scale
Standard Error 0.18
5.23 score on scale
Standard Error 0.17

PRIMARY outcome

Timeframe: Week 2

Population: Full analysis set. Observed case.

Weekly mean pain score is defined as the mean of the last 7 daily diary pain ratings. Scores range from 0-10 (11 points ordinal)with higher scores indicating increased pain.

Outcome measures

Outcome measures
Measure
Placebo
n=96 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=83 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=83 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=86 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Pain Scores at Week 2
5.75 score on scale
Standard Error 0.17
5.27 score on scale
Standard Error 0.18
4.76 score on scale
Standard Error 0.18
4.73 score on scale
Standard Error 0.17

PRIMARY outcome

Timeframe: Week 3

Population: Full analysis set. Observed case.

Weekly mean pain score is defined as the mean of the last 7 daily diary pain ratings. Scores range from 0-10 (11 points ordinal)with higher scores indicating increased pain.

Outcome measures

Outcome measures
Measure
Placebo
n=92 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=83 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=80 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=84 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Pain Scores at Week 3
5.59 score on scale
Standard Error 0.17
5.18 score on scale
Standard Error 0.18
4.63 score on scale
Standard Error 0.18
4.60 score on scale
Standard Error 0.17

PRIMARY outcome

Timeframe: Week4

Population: Full analysis set. Observed case.

Weekly mean pain score is defined as the mean of the last 7 daily diary pain ratings. Scores range from 0-10 (11 points ordinal)with higher scores indicating increased pain.

Outcome measures

Outcome measures
Measure
Placebo
n=92 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=78 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=82 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Pain Scores at Week 4
5.43 score on scale
Standard Error 0.17
5.14 score on scale
Standard Error 0.18
4.57 score on scale
Standard Error 0.18
4.50 score on scale
Standard Error 0.17

PRIMARY outcome

Timeframe: Week 5

Population: Full analysis set. Observed case.

Weekly mean pain score is defined as the mean of the last 7 daily diary pain ratings. Scores range from 0-10 (11 points ordinal)with higher scores indicating increased pain.

Outcome measures

Outcome measures
Measure
Placebo
n=90 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=81 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=77 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=78 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Pain Scores at Week 5
5.29 score on scale
Standard Error 0.17
5.15 score on scale
Standard Error 0.18
4.42 score on scale
Standard Error 0.18
4.55 score on scale
Standard Error 0.18

PRIMARY outcome

Timeframe: Week 6

Population: Full analysis set. Observed case.

Weekly mean pain score is defined as the mean of the last 7 daily diary pain ratings. Scores range from 0-10 (11 points ordinal)with higher scores indicating increased pain.

Outcome measures

Outcome measures
Measure
Placebo
n=89 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=80 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=77 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=78 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Pain Scores at Week 6
5.29 score on scale
Standard Error 0.17
5.02 score on scale
Standard Error 0.18
4.31 score on scale
Standard Error 0.18
4.54 score on scale
Standard Error 0.18

PRIMARY outcome

Timeframe: Week 7

Population: Full analysis set. Observed case.

Weekly mean pain score is defined as the mean of the last 7 daily diary pain ratings. Scores range from 0-10 (11 points ordinal)with higher scores indicating increased pain.

Outcome measures

Outcome measures
Measure
Placebo
n=88 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=80 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=75 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=78 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Pain Scores at Week 7
5.14 score on scale
Standard Error 0.17
4.90 score on scale
Standard Error 0.18
4.24 score on scale
Standard Error 0.18
4.48 score on scale
Standard Error 0.18

PRIMARY outcome

Timeframe: Week 8

Population: Full analysis set. Observed case.

Weekly mean pain score is defined as the mean of the last 7 daily diary pain ratings. Scores range from 0-10 (11 points ordinal)with higher scores indicating increased pain.

Outcome measures

Outcome measures
Measure
Placebo
n=88 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=79 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=75 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=76 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Pain Scores at Week 8
5.04 score on scale
Standard Error 0.17
4.89 score on scale
Standard Error 0.18
4.23 score on scale
Standard Error 0.18
4.47 score on scale
Standard Error 0.18

PRIMARY outcome

Timeframe: Week 9

Population: Full analysis set. Observed case.

Weekly mean pain score is defined as the mean of the last 7 daily diary pain ratings. Scores range from 0-10 (11 points ordinal)with higher scores indicating increased pain.

Outcome measures

Outcome measures
Measure
Placebo
n=86 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=78 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=73 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=74 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Pain Scores at Week 9
5.08 score on scale
Standard Error 0.17
4.87 score on scale
Standard Error 0.18
4.22 score on scale
Standard Error 0.18
4.50 score on scale
Standard Error 0.18

PRIMARY outcome

Timeframe: Week 10

Population: Full analysis set. Observed case.

Weekly mean pain score is defined as the mean of the last 7 daily diary pain ratings. Scores range from 0-10 (11 points ordinal)with higher scores indicating increased pain.

Outcome measures

Outcome measures
Measure
Placebo
n=86 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=77 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=72 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=72 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Pain Scores at Week 10
5.08 score on scale
Standard Error 0.17
4.86 score on scale
Standard Error 0.18
4.18 score on scale
Standard Error 0.18
4.56 score on scale
Standard Error 0.18

PRIMARY outcome

Timeframe: Week 11

Population: Full analysis set. Observed case.

Weekly mean pain score is defined as the mean of the last 7 daily diary pain ratings. Scores range from 0-10 (11 points ordinal)with higher scores indicating increased pain.

Outcome measures

Outcome measures
Measure
Placebo
n=85 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=75 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=72 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=71 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Pain Scores at Week 11
5.12 score on scale
Standard Error 0.17
4.88 score on scale
Standard Error 0.18
4.18 score on scale
Standard Error 0.18
4.47 score on scale
Standard Error 0.18

PRIMARY outcome

Timeframe: Week 12

Population: Full analysis set. Observed case.

Weekly mean pain score is defined as the mean of the last 7 daily diary pain ratings. Scores range from 0-10 (11 points ordinal)with higher scores indicating increased pain.

Outcome measures

Outcome measures
Measure
Placebo
n=83 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=74 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=72 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=71 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Pain Scores at Week 12
5.00 score on scale
Standard Error 0.17
4.71 score on scale
Standard Error 0.18
4.15 score on scale
Standard Error 0.18
4.37 score on scale
Standard Error 0.18

PRIMARY outcome

Timeframe: Week 13

Population: Full analysis set. Observed case.

Weekly mean pain score is defined as the mean of the last 7 daily diary pain ratings. Scores range from 0-10 (11 points ordinal)with higher scores indicating increased pain.

Outcome measures

Outcome measures
Measure
Placebo
n=82 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=73 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=72 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=71 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Pain Scores at Week 13
4.97 score on scale
Standard Error 0.17
4.70 score on scale
Standard Error 0.18
4.16 score on scale
Standard Error 0.18
4.36 score on scale
Standard Error 0.18

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Sensory score range from 0-33. Higher scores indicate more severe pain.

Outcome measures

Outcome measures
Measure
Placebo
n=97 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=86 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=89 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=97 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Sensory Scores of the Short-Form McGill Pain Questionnaire
8.97 score on scale
Standard Error 0.57
8.42 score on scale
Standard Error 0.61
7.11 score on scale
Standard Error 0.60
6.97 score on scale
Standard Error 0.57

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Affective score range from 0-12. Higher scores indicate more severe pain.

Outcome measures

Outcome measures
Measure
Placebo
n=97 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=86 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=88 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=97 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Affective Scores of the Short-Form McGill Pain Questionnaire
2.43 score on scale
Standard Error 0.22
2.14 score on scale
Standard Error 0.23
1.72 score on scale
Standard Error 0.23
1.82 score on scale
Standard Error 0.22

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward

Total score range from 0-45. Higher scores indicate more severe pain.

Outcome measures

Outcome measures
Measure
Placebo
n=97 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=86 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=89 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=97 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Total Scores of the Short-Form McGill Pain Questionnaire
11.39 score on scale
Standard Error 0.75
10.56 score on scale
Standard Error 0.79
8.84 score on scale
Standard Error 0.79
8.78 score on scale
Standard Error 0.75

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Visual Analogue Scale Score range from 0-100mm. Higher scores indicate more severe pain.

Outcome measures

Outcome measures
Measure
Placebo
n=97 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=86 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=89 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=97 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Visual Analogue Scale Scores of the Short-Form McGill Pain Questionnaire
50.02 mm
Standard Error 2.15
47.80 mm
Standard Error 2.28
41.99 mm
Standard Error 2.25
42.59 mm
Standard Error 2.14

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Present pain intensity score range from 0-5. Higher scores indicate more severe pain.

Outcome measures

Outcome measures
Measure
Placebo
n=97 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=86 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=89 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=96 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Present Pain Intensity Scores of the Short-Form McGill Pain Questionnaire
2.21 score on scale
Standard Error 0.10
2.01 score on scale
Standard Error 0.11
1.78 score on scale
Standard Error 0.11
1.90 score on scale
Standard Error 0.10

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Scores range from 0-10. Higher scores indicate more severe interference with sleep.

Outcome measures

Outcome measures
Measure
Placebo
n=97 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=86 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=89 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=97 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Sleep Interference Scores at Endpoint
3.20 score on scale
Standard Error 0.17
2.44 score on scale
Standard Error 0.18
2.39 score on scale
Standard Error 0.17
2.26 score on scale
Standard Error 0.17

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Score range for sleep disturbance is 0-100.Higher scores indicate more of the attribute.

Outcome measures

Outcome measures
Measure
Placebo
n=95 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=86 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=93 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Medical Outcomes Study Sleep Scale Scores:Sleep Disturbance
31.99 score on scale
Standard Error 1.88
23.09 score on scale
Standard Error 2.00
23.75 score on scale
Standard Error 1.99
20.65 score on scale
Standard Error 1.88

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Score range for snoring is 0-100.Higher scores indicate more of the attribute.

Outcome measures

Outcome measures
Measure
Placebo
n=95 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=87 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=93 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Medical Outcomes Study Sleep Scale Scores:Snoring
22.28 score on scale
Standard Error 2.57
26.58 score on scale
Standard Error 2.74
25.24 score on scale
Standard Error 2.73
31.99 score on scale
Standard Error 2.59

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Score range for awaken short of breath or with headache is 0-100. Higher scores indicate more of the attribute.

Outcome measures

Outcome measures
Measure
Placebo
n=95 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=87 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=93 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Medical Outcomes Study Sleep Scale Scores:Awaken Short of Breath or With Headache
5.99 score on scale
Standard Error 1.61
6.70 score on scale
Standard Error 1.72
6.70 score on scale
Standard Error 1.69
4.95 score on scale
Standard Error 1.62

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Sleep Quantity subscale is scored from 0-24 indicating the number of hours of sleep. Higher scores indicate more of the attribute named in the subscale.

Outcome measures

Outcome measures
Measure
Placebo
n=95 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=87 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=93 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Medical Outcomes Study Sleep Scale Scores:Quantity of Sleep
6.58 score on scale
Standard Error 0.11
6.59 score on scale
Standard Error 0.12
6.85 score on scale
Standard Error 0.12
6.79 score on scale
Standard Error 0.11

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Score range for sleep adequacy is 0-100. Higher scores indicate more of the attribute.

Outcome measures

Outcome measures
Measure
Placebo
n=95 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=87 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=93 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Medical Outcomes Study Sleep Scale Scores:Sleep Adequacy
63.37 score on scale
Standard Error 2.67
67.38 score on scale
Standard Error 2.85
73.67 score on scale
Standard Error 2.82
69.37 score on scale
Standard Error 2.69

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Score range for Somnolence is 0-100. Higher scores indicate more of the attribute.

Outcome measures

Outcome measures
Measure
Placebo
n=95 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=87 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=93 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Medical Outcomes Study Sleep Scale Scores:Somnolence
30.23 score on scale
Standard Error 2.09
34.16 score on scale
Standard Error 2.23
41.45 score on scale
Standard Error 2.19
44.46 score on scale
Standard Error 2.10

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Score range for overall sleep problem index is 0-100. Higher scores indicate more of the attribute.

Outcome measures

Outcome measures
Measure
Placebo
n=95 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=86 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=93 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Medical Outcomes Study Sleep Scale Scores:Overall Sleep Problem Index
29.22 score on scale
Standard Error 1.50
25.19 score on scale
Standard Error 1.59
26.03 score on scale
Standard Error 1.58
26.78 score on scale
Standard Error 1.50

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Number of participants who reported Optimal Sleep

Outcome measures

Outcome measures
Measure
Placebo
n=95 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=87 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=93 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Medical Outcomes Study Sleep Scale: Number of Participants With Optimal Sleep
37 participants
26 participants
48 participants
44 participants

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Patient Global Impression Change is scaled from 1 to 7. 1=very much improved, 7=very much worse.

Outcome measures

Outcome measures
Measure
Placebo
n=95 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=87 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=93 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Patient Global Impression Change
3.6 score on scale
Standard Deviation 1.2
3.3 score on scale
Standard Deviation 1.2
2.9 score on scale
Standard Deviation 1.0
3.0 score on scale
Standard Deviation 1.2

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Clinical Global Impression Change is scaled from 1 to 7. 1=very much improved, 7=very much worse.

Outcome measures

Outcome measures
Measure
Placebo
n=95 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=83 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=87 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=93 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Clinical Global Impression Change
3.3 score on scale
Standard Deviation 1.1
3.1 score on scale
Standard Deviation 1.2
2.7 score on scale
Standard Deviation 1.1
2.7 score on scale
Standard Deviation 1.1

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Short-Form 36-Item Health Survey is scored from 0-100 with higher scores reflecting better patient status.

Outcome measures

Outcome measures
Measure
Placebo
n=95 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=87 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=93 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Short-Form 36-Item Health Survey Scores: Physical Functioning
76.16 score on scale
Standard Error 1.28
79.68 score on scale
Standard Error 1.37
76.93 score on scale
Standard Error 1.34
77.20 score on scale
Standard Error 1.28

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Short-Form 36-Item Health Survey is scored from 0-100 with higher scores reflecting better patient status.

Outcome measures

Outcome measures
Measure
Placebo
n=95 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=87 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=93 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Short-Form 36-Item Health Survey Scores: Role Limitations-Physical
67.96 score on scale
Standard Error 2.26
77.35 score on scale
Standard Error 2.41
74.63 score on scale
Standard Error 2.38
69.42 score on scale
Standard Error 2.28

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Short-Form 36-Item Health Survey is scored from 0-100 with higher scores reflecting better patient status.

Outcome measures

Outcome measures
Measure
Placebo
n=95 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=87 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=93 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Short-Form 36-Item Health Survey Scores: Bodily Pain
47.47 score on scale
Standard Error 1.82
48.09 score on scale
Standard Error 1.94
54.54 score on scale
Standard Error 1.91
52.50 score on scale
Standard Error 1.83

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Short-Form 36-Item Health Survey is scored from 0-100 with higher scores reflecting better patient status.

Outcome measures

Outcome measures
Measure
Placebo
n=95 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=87 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=93 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Short-Form 36-Item Health Survey Scores: General Health Perception
52.36 score on scale
Standard Error 1.49
57.66 score on scale
Standard Error 1.59
56.19 score on scale
Standard Error 1.57
56.30 score on scale
Standard Error 1.50

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Short-Form 36-Item Health Survey is scored from 0-100 with higher scores reflecting better patient status.

Outcome measures

Outcome measures
Measure
Placebo
n=95 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=87 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=93 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Short-Form 36-Item Health Survey Scores: Social Functioning
75.28 score on scale
Standard Error 2.20
77.71 score on scale
Standard Error 2.35
82.69 score on scale
Standard Error 2.32
77.11 score on scale
Standard Error 2.22

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Short-Form 36-Item Health Survey is scored from 0-100 with higher scores reflecting better patient status.

Outcome measures

Outcome measures
Measure
Placebo
n=95 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=87 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=93 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Short-Form 36-Item Health Survey Scores: Role Limitations-Emotional
69.99 score on scale
Standard Error 2.40
76.14 score on scale
Standard Error 2.56
75.41 score on scale
Standard Error 2.52
73.02 score on scale
Standard Error 2.41

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Short-Form 36-Item Health Survey is scored from 0-100 with higher scores reflecting better patient status.

Outcome measures

Outcome measures
Measure
Placebo
n=95 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=87 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=93 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Short-Form 36-Item Health Survey Scores: Vitality
54.16 score on scale
Standard Error 1.90
59.80 score on scale
Standard Error 2.02
61.58 score on scale
Standard Error 2.00
58.31 score on scale
Standard Error 1.91

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Short-Form 36-Item Health Survey is scored from 0-100 with higher scores reflecting better patient status.

Outcome measures

Outcome measures
Measure
Placebo
n=95 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=87 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=93 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Endpoint Short-Form 36-Item Health Survey Scores: Mental Health
61.91 score on scale
Standard Error 1.95
65.90 score on scale
Standard Error 2.08
68.90 score on scale
Standard Error 2.05
66.67 score on scale
Standard Error 1.96

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Participants not reporting allodynia.

Outcome measures

Outcome measures
Measure
Placebo
n=95 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=87 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=93 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Number of Patients Not Reporting Allodynia
65 participants
52 participants
63 participants
66 participants

SECONDARY outcome

Timeframe: Week13/discontinuation

Population: Full analysis set. Last observation carried forward.

Participants not reporting hyperalgesia.

Outcome measures

Outcome measures
Measure
Placebo
n=95 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=87 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=93 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Number of Patients Not Reporting Hyperalgesia
66 participants
55 participants
66 participants
65 participants

SECONDARY outcome

Timeframe: week 1

Population: Full analysis set. Observed case.

Weekly mean sleep interference scores is defined as the mean of the last 7 daily diary interference with sleep ratings. Scores range from 0-10 (11 points ordinal) with higher scores indicating more severe interference with sleep.

Outcome measures

Outcome measures
Measure
Placebo
n=97 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=86 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=89 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=97 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Sleep Interference Scores at Week 1
3.79 score on scale
Standard Error 0.15
3.00 score on scale
Standard Error 0.16
2.97 score on scale
Standard Error 0.16
2.81 score on scale
Standard Error 0.15

SECONDARY outcome

Timeframe: week 2

Population: Full analysis set. Observed case.

Weekly mean sleep interference scores is defined as the mean of the last 7 daily diary interference with sleep ratings. Scores range from 0-10 (11 points ordinal) with higher scores indicating more severe interference with sleep.

Outcome measures

Outcome measures
Measure
Placebo
n=96 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=83 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=83 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=86 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Sleep Interference Scores at Week 2
3.56 score on scale
Standard Error 0.15
2.89 score on scale
Standard Error 0.16
2.76 score on scale
Standard Error 0.16
2.49 score on scale
Standard Error 0.15

SECONDARY outcome

Timeframe: week 3

Population: Full analysis set. Observed case.

Weekly mean sleep interference scores is defined as the mean of the last 7 daily diary interference with sleep ratings. Scores range from 0-10 (11 points ordinal) with higher scores indicating more severe interference with sleep.

Outcome measures

Outcome measures
Measure
Placebo
n=92 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=83 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=80 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=84 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Sleep Interference Scores at Week 3
3.50 score on scale
Standard Error 0.15
2.81 score on scale
Standard Error 0.16
2.60 score on scale
Standard Error 0.16
2.43 score on scale
Standard Error 0.15

SECONDARY outcome

Timeframe: week 4

Population: Full analysis set. Observed case.

Weekly mean sleep interference scores is defined as the mean of the last 7 daily diary interference with sleep ratings. Scores range from 0-10 (11 points ordinal) with higher scores indicating more severe interference with sleep.

Outcome measures

Outcome measures
Measure
Placebo
n=92 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=82 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=78 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=82 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Sleep Interference Scores at Week 4
3.35 score on scale
Standard Error 0.15
2.79 score on scale
Standard Error 0.16
2.54 score on scale
Standard Error 0.16
2.36 score on scale
Standard Error 0.15

SECONDARY outcome

Timeframe: week 5

Population: Full analysis set. Observed case.

Weekly mean sleep interference scores is defined as the mean of the last 7 daily diary interference with sleep ratings. Scores range from 0-10 (11 points ordinal) with higher scores indicating more severe interference with sleep.

Outcome measures

Outcome measures
Measure
Placebo
n=90 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=81 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=77 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=78 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Sleep Interference Scores at Week 5
3.26 score on scale
Standard Error 0.15
2.74 score on scale
Standard Error 0.16
2.39 score on scale
Standard Error 0.16
2.41 score on scale
Standard Error 0.15

SECONDARY outcome

Timeframe: week 6

Population: Full analysis set. Observed case.

Weekly mean sleep interference scores is defined as the mean of the last 7 daily diary interference with sleep ratings. Scores range from 0-10 (11 points ordinal) with higher scores indicating more severe interference with sleep.

Outcome measures

Outcome measures
Measure
Placebo
n=89 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=80 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=77 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=78 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Sleep Interference Scores at Week 6
3.24 score on scale
Standard Error 0.15
2.63 score on scale
Standard Error 0.16
2.37 score on scale
Standard Error 0.16
2.33 score on scale
Standard Error 0.15

SECONDARY outcome

Timeframe: week 7

Population: Full analysis set. Observed case.

Weekly mean sleep interference scores is defined as the mean of the last 7 daily diary interference with sleep ratings. Scores range from 0-10 (11 points ordinal) with higher scores indicating more severe interference with sleep.

Outcome measures

Outcome measures
Measure
Placebo
n=88 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=80 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=75 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=78 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Sleep Interference Scores at Week 7
3.19 score on scale
Standard Error 0.15
2.55 score on scale
Standard Error 0.16
2.36 score on scale
Standard Error 0.16
2.21 score on scale
Standard Error 0.15

SECONDARY outcome

Timeframe: week 8

Population: Full analysis set. Observed case.

Weekly mean sleep interference scores is defined as the mean of the last 7 daily diary interference with sleep ratings. Scores range from 0-10 (11 points ordinal) with higher scores indicating more severe interference with sleep.

Outcome measures

Outcome measures
Measure
Placebo
n=88 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=79 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=75 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=76 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Sleep Interference Scores at Week 8
3.10 score on scale
Standard Error 0.15
2.49 score on scale
Standard Error 0.16
2.30 score on scale
Standard Error 0.16
2.14 score on scale
Standard Error 0.15

SECONDARY outcome

Timeframe: week 9

Population: Full analysis set. Observed case.

Weekly mean sleep interference scores is defined as the mean of the last 7 daily diary interference with sleep ratings. Scores range from 0-10 (11 points ordinal) with higher scores indicating more severe interference with sleep.

Outcome measures

Outcome measures
Measure
Placebo
n=86 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=78 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=73 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=74 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Sleep Interference Scores at Week 9
3.17 score on scale
Standard Error 0.15
2.44 score on scale
Standard Error 0.16
2.38 score on scale
Standard Error 0.16
2.22 score on scale
Standard Error 0.16

SECONDARY outcome

Timeframe: week 10

Population: Full analysis set. Observed case.

Weekly mean sleep interference scores is defined as the mean of the last 7 daily diary interference with sleep ratings. Scores range from 0-10 (11 points ordinal) with higher scores indicating more severe interference with sleep.

Outcome measures

Outcome measures
Measure
Placebo
n=86 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=77 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=72 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=72 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Sleep Interference Scores at Week 10
3.16 score on scale
Standard Error 0.15
2.46 score on scale
Standard Error 0.16
2.39 score on scale
Standard Error 0.16
2.28 score on scale
Standard Error 0.16

SECONDARY outcome

Timeframe: week 11

Population: Full analysis set. Observed case.

Weekly mean sleep interference scores is defined as the mean of the last 7 daily diary interference with sleep ratings. Scores range from 0-10 (11 points ordinal) with higher scores indicating more severe interference with sleep.

Outcome measures

Outcome measures
Measure
Placebo
n=85 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=75 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=72 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=71 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Sleep Interference Scores at Week 11
3.16 score on scale
Standard Error 0.15
2.43 score on scale
Standard Error 0.16
2.37 score on scale
Standard Error 0.16
2.27 score on scale
Standard Error 0.16

SECONDARY outcome

Timeframe: week 12

Population: Full analysis set. Observed case.

Weekly mean sleep interference scores is defined as the mean of the last 7 daily diary interference with sleep ratings. Scores range from 0-10 (11 points ordinal) with higher scores indicating more severe interference with sleep.

Outcome measures

Outcome measures
Measure
Placebo
n=83 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=74 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=72 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=71 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Sleep Interference Scores at Week 12
3.06 score on scale
Standard Error 0.15
2.36 score on scale
Standard Error 0.16
2.28 score on scale
Standard Error 0.16
2.21 score on scale
Standard Error 0.16

SECONDARY outcome

Timeframe: week 13

Population: Full analysis set. Observed case.

Weekly mean sleep interference scores is defined as the mean of the last 7 daily diary interference with sleep ratings. Scores range from 0-10 (11 points ordinal) with higher scores indicating more severe interference with sleep.

Outcome measures

Outcome measures
Measure
Placebo
n=82 Participants
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=73 Participants
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=72 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=71 Participants
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Mean Sleep Interference Scores at Week 13
3.08 score on scale
Standard Error 0.15
2.33 score on scale
Standard Error 0.16
2.27 score on scale
Standard Error 0.16
2.19 score on scale
Standard Error 0.16

Adverse Events

Placebo

Serious events: 6 serious events
Other events: 35 other events
Deaths: 0 deaths

Pregabalin 150 mg/Day

Serious events: 2 serious events
Other events: 44 other events
Deaths: 0 deaths

Pregabalin 300 mg/Day

Serious events: 4 serious events
Other events: 61 other events
Deaths: 0 deaths

Pregabalin 600 mg/Day

Serious events: 1 serious events
Other events: 77 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Placebo
n=98 participants at risk
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=87 participants at risk
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=89 participants at risk
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=97 participants at risk
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Cardiac disorders
Angina pectoris
1.0%
1/98
0.00%
0/87
0.00%
0/89
0.00%
0/97
Cardiac disorders
Myocardial infarction
0.00%
0/98
1.1%
1/87
0.00%
0/89
0.00%
0/97
Gastrointestinal disorders
Large intestinal stricture
0.00%
0/98
0.00%
0/87
0.00%
0/89
1.0%
1/97
Gastrointestinal disorders
Small intestinal obstruction
0.00%
0/98
1.1%
1/87
0.00%
0/89
0.00%
0/97
Injury, poisoning and procedural complications
Subdural haematoma
1.0%
1/98
0.00%
0/87
1.1%
1/89
0.00%
0/97
Musculoskeletal and connective tissue disorders
Back pain
0.00%
0/98
0.00%
0/87
1.1%
1/89
0.00%
0/97
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Prostate cancer
1.0%
1/98
0.00%
0/87
0.00%
0/89
0.00%
0/97
Nervous system disorders
Cerebral infarction
1.0%
1/98
0.00%
0/87
0.00%
0/89
0.00%
0/97
Nervous system disorders
Loss of consciousness
1.0%
1/98
0.00%
0/87
1.1%
1/89
0.00%
0/97
Psychiatric disorders
Completed suicide
1.0%
1/98
0.00%
0/87
0.00%
0/89
0.00%
0/97
Respiratory, thoracic and mediastinal disorders
Asthma
0.00%
0/98
0.00%
0/87
1.1%
1/89
0.00%
0/97
Vascular disorders
Hypotension
0.00%
0/98
0.00%
0/87
1.1%
1/89
0.00%
0/97

Other adverse events

Other adverse events
Measure
Placebo
n=98 participants at risk
During a 13-week double-blind phase, subjects received matching placebo.
Pregabalin 150 mg/Day
n=87 participants at risk
During a 13-week double-blind phase, subjects received pregabalin 150 mg/day.
Pregabalin 300 mg/Day
n=89 participants at risk
During a 13-week double-blind phase, after 1 week of up titration, subjects received pregabalin 300 mg/day for 12 weeks.
Pregabalin 600 mg/Day
n=97 participants at risk
During a 13-week double-blind phase, after 1 week of up titration, subjects with low CLcr received pregabalin 300 mg/day and subjects with normal CLcr received pregabalin 600 mg/day for 12 weeks.
Eye disorders
Diplopia
0.00%
0/98
0.00%
0/87
2.2%
2/89
6.2%
6/97
Gastrointestinal disorders
Constipation
6.1%
6/98
13.8%
12/87
12.4%
11/89
14.4%
14/97
Gastrointestinal disorders
Nausea
5.1%
5/98
2.3%
2/87
6.7%
6/89
7.2%
7/97
General disorders
Face oedema
0.00%
0/98
4.6%
4/87
1.1%
1/89
6.2%
6/97
General disorders
Oedema peripheral
1.0%
1/98
4.6%
4/87
13.5%
12/89
18.6%
18/97
General disorders
Thirst
3.1%
3/98
3.4%
3/87
7.9%
7/89
7.2%
7/97
Infections and infestations
Nasopharyngitis
10.2%
10/98
9.2%
8/87
11.2%
10/89
5.2%
5/97
Injury, poisoning and procedural complications
Contusion
2.0%
2/98
5.7%
5/87
4.5%
4/89
3.1%
3/97
Injury, poisoning and procedural complications
Fall
4.1%
4/98
6.9%
6/87
7.9%
7/89
4.1%
4/97
Investigations
Weight increased
0.00%
0/98
1.1%
1/87
19.1%
17/89
14.4%
14/97
Nervous system disorders
Dizziness
7.1%
7/98
11.5%
10/87
30.3%
27/89
49.5%
48/97
Nervous system disorders
Headache
1.0%
1/98
2.3%
2/87
1.1%
1/89
5.2%
5/97
Nervous system disorders
Somnolence
9.2%
9/98
21.8%
19/87
24.7%
22/89
38.1%
37/97
Skin and subcutaneous tissue disorders
Eczema
2.0%
2/98
3.4%
3/87
0.00%
0/89
6.2%
6/97

Additional Information

Pfizer ClinicalTrials.gov Call Center

Pfizer, Inc.

Phone: 1-800-718-1021

Results disclosure agreements

  • Principal investigator is a sponsor employee Pfizer has the right to review disclosures, requesting a delay of \<60 days. Investigator will postpone single center publications until after disclosure of pooled data (all sites), \<12 mo from study completion/termination at all participating sites. Investigator may not disclose previously undisclosed confidential info other than study results.
  • Publication restrictions are in place

Restriction type: OTHER