Trial Outcomes & Findings for Experimental Medication For the Treatment of Generalized Anxiety Disorder (NCT NCT00097708)

NCT ID: NCT00097708

Last Updated: 2014-10-03

Results Overview

Hamilton Anxiety Rating Scale (HAM-A). Each of 14 symptoms categories is rated from 0=not present to 4=very severe. Numbers for all categories are summed to produce the total score. Total score ranges from 0=anxiety symptoms not present to 56=very severe anxiety symptoms across all 14 categories.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

511 participants

Primary outcome timeframe

Baseline to week 8

Results posted on

2014-10-03

Participant Flow

Participant milestones

Participant milestones
Measure
OROS Alprazolam
OROS (osmotic \[controlled\] release oral \[delivery\] system) alprazolam administered orally once a day, titrated to maximum beneficial dose, 1,2,3,4,5, or 6 mg/day
IR Alprazolam
IR (immediate release) alprazolam (Xanax) administered orally in divided dose (3 times daily), titrated to maximum beneficial dose, 1,2,3,4,5, or 6 mg/day
Placebo
OROS (osmotic \[controlled\] release oral \[delivery\] system) placebo administered orally once a day.
Overall Study
STARTED
173
176
162
Overall Study
Intent-to-Treat (ITT)
165
169
149
Overall Study
Treated
171
176
160
Overall Study
COMPLETED
109
120
97
Overall Study
NOT COMPLETED
64
56
65

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Experimental Medication For the Treatment of Generalized Anxiety Disorder

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
OROS Alprazolam
n=165 Participants
IR Alprazolam
n=169 Participants
Placebo
n=149 Participants
Total
n=483 Participants
Total of all reporting groups
Age, Continuous
39.1 years
STANDARD_DEVIATION 12.00 • n=5 Participants
38.9 years
STANDARD_DEVIATION 12.02 • n=7 Participants
38.5 years
STANDARD_DEVIATION 11.13 • n=5 Participants
38.8 years
STANDARD_DEVIATION 11.72 • n=4 Participants
Age, Customized
< 40 years
87 participants
n=5 Participants
90 participants
n=7 Participants
91 participants
n=5 Participants
268 participants
n=4 Participants
Age, Customized
40 - < 65 years
76 participants
n=5 Participants
78 participants
n=7 Participants
58 participants
n=5 Participants
212 participants
n=4 Participants
Age, Customized
>=65 years
2 participants
n=5 Participants
1 participants
n=7 Participants
0 participants
n=5 Participants
3 participants
n=4 Participants
Sex: Female, Male
Female
95 Participants
n=5 Participants
113 Participants
n=7 Participants
103 Participants
n=5 Participants
311 Participants
n=4 Participants
Sex: Female, Male
Male
70 Participants
n=5 Participants
56 Participants
n=7 Participants
46 Participants
n=5 Participants
172 Participants
n=4 Participants
Region of Enrollment
United States
165 participants
n=5 Participants
169 participants
n=7 Participants
149 participants
n=5 Participants
483 participants
n=4 Participants

PRIMARY outcome

Timeframe: Baseline to week 8

Hamilton Anxiety Rating Scale (HAM-A). Each of 14 symptoms categories is rated from 0=not present to 4=very severe. Numbers for all categories are summed to produce the total score. Total score ranges from 0=anxiety symptoms not present to 56=very severe anxiety symptoms across all 14 categories.

Outcome measures

Outcome measures
Measure
OROS Alprazolam
n=162 Participants
IR Alprazolam
n=159 Participants
Placebo
n=145 Participants
Change in HAM-A Total Score
-12.9 Units on a Scale
Interval -33.0 to 9.0
-15.7 Units on a Scale
Interval -36.0 to 5.0
-12.5 Units on a Scale
Interval -35.0 to 4.0

Adverse Events

OROS Alprazolam

Serious events: 6 serious events
Other events: 140 other events
Deaths: 0 deaths

IR Alprazolam

Serious events: 1 serious events
Other events: 141 other events
Deaths: 0 deaths

Placebo

Serious events: 0 serious events
Other events: 118 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
OROS Alprazolam
n=171 participants at risk
IR Alprazolam
n=176 participants at risk
Placebo
n=160 participants at risk
Gastrointestinal disorders
Abdominal Pain Upper
0.58%
1/171
0.00%
0/176
0.00%
0/160
Gastrointestinal disorders
Duodenal Ulcer Perforation
0.58%
1/171
0.00%
0/176
0.00%
0/160
Gastrointestinal disorders
Ileitis
0.00%
0/171
0.57%
1/176
0.00%
0/160
Injury, poisoning and procedural complications
Alcohol Poisoning
0.58%
1/171
0.00%
0/176
0.00%
0/160
Injury, poisoning and procedural complications
Post Procedural Haemorrhage
0.58%
1/171
0.00%
0/176
0.00%
0/160
Psychiatric disorders
Intentional Self-Injury
0.58%
1/171
0.00%
0/176
0.00%
0/160
Psychiatric disorders
Suicide Attempt
0.58%
1/171
0.00%
0/176
0.00%
0/160

Other adverse events

Other adverse events
Measure
OROS Alprazolam
n=171 participants at risk
IR Alprazolam
n=176 participants at risk
Placebo
n=160 participants at risk
Gastrointestinal disorders
Nausea
7.6%
13/171
9.7%
17/176
11.9%
19/160
Gastrointestinal disorders
Diarrhoea
5.3%
9/171
8.5%
15/176
7.5%
12/160
Gastrointestinal disorders
Dry Mouth
3.5%
6/171
5.1%
9/176
6.9%
11/160
General disorders
Fatigue
14.6%
25/171
13.1%
23/176
8.8%
14/160
Infections and infestations
Upper Respiratory Tract Infection
9.9%
17/171
11.4%
20/176
5.6%
9/160
Nervous system disorders
Somnolence
28.1%
48/171
26.7%
47/176
6.9%
11/160
Nervous system disorders
Headache
13.5%
23/171
15.3%
27/176
17.5%
28/160
Nervous system disorders
Dizziness
11.1%
19/171
16.5%
29/176
6.2%
10/160
Nervous system disorders
Sedation
7.6%
13/171
10.2%
18/176
3.8%
6/160
Psychiatric disorders
Insomnia
6.4%
11/171
4.5%
8/176
5.6%
9/160

Additional Information

Grace Wang, MD Director Clinical Development & Medical Monitor

Jazz Pharmaceuticals, Inc.

Phone: 650 - 496 - 3777

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place

Restriction type: OTHER