Trial Outcomes & Findings for Quetiapine Extended Release (XR) in Bipolar Patients With Comorbid Generalized Anxiety Disorder (GAD) (NCT NCT00671853)

NCT ID: NCT00671853

Last Updated: 2016-12-29

Results Overview

A score of 0-7 is considered to be normal. Hamilton Rating Scale total score ranges from 0-57 where higher scores are indicative of more depression.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

120 participants

Primary outcome timeframe

Week 0 - Week 8

Results posted on

2016-12-29

Participant Flow

The study consent 120 subjects. However, 29 subjects were considered screening failures and were not randomized.

Participant milestones

Participant milestones
Measure
Quetiapine XR
Days 1-2 - 50 mg/day; Days 3-4 - 150mg/day; Day 5-End of Study - 300mg/day
Placebo for Quetiapine XR
Days 1-2 - 50 mg/day; Days 3-4 - 150mg/day; Day 5-End of Study - 300mg/day
Overall Study
STARTED
46
45
Overall Study
COMPLETED
26
18
Overall Study
NOT COMPLETED
20
27

Reasons for withdrawal

Reasons for withdrawal
Measure
Quetiapine XR
Days 1-2 - 50 mg/day; Days 3-4 - 150mg/day; Day 5-End of Study - 300mg/day
Placebo for Quetiapine XR
Days 1-2 - 50 mg/day; Days 3-4 - 150mg/day; Day 5-End of Study - 300mg/day
Overall Study
Lack of Efficacy
3
7
Overall Study
Adverse Event
7
1
Overall Study
Withdrawal by Subject
1
5
Overall Study
Lost to Follow-up
8
8
Overall Study
Physician Decision
0
2
Overall Study
Non-adherence with study procedures
1
4

Baseline Characteristics

Quetiapine Extended Release (XR) in Bipolar Patients With Comorbid Generalized Anxiety Disorder (GAD)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Quetiapine XR
n=46 Participants
Days 1-2 - 50 mg/day; Days 3-4 - 150mg/day; Day 5-End of Study - 300mg/day
Placebo for Quetiapine XR
n=45 Participants
Days 1-2 - 50 mg/day; Days 3-4 - 150mg/day; Day 5-End of Study - 300mg/day
Total
n=91 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
46 Participants
n=5 Participants
45 Participants
n=7 Participants
91 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Continuous
38.0 years
STANDARD_DEVIATION 12 • n=5 Participants
37.4 years
STANDARD_DEVIATION 11.3 • n=7 Participants
37.7 years
STANDARD_DEVIATION 11.6 • n=5 Participants
Gender
Female
22 Participants
n=5 Participants
21 Participants
n=7 Participants
43 Participants
n=5 Participants
Gender
Male
24 Participants
n=5 Participants
24 Participants
n=7 Participants
48 Participants
n=5 Participants
Region of Enrollment
United States
46 participants
n=5 Participants
45 participants
n=7 Participants
91 participants
n=5 Participants

PRIMARY outcome

Timeframe: Week 0 - Week 8

A score of 0-7 is considered to be normal. Hamilton Rating Scale total score ranges from 0-57 where higher scores are indicative of more depression.

Outcome measures

Outcome measures
Measure
Quetiapine XR
n=46 Participants
Days 1-2 - 50 mg/day; Days 3-4 - 150mg/day; Day 5-End of Study - 300mg/day
Placebo for Quetiapine XR
n=45 Participants
Days 1-2 - 50 mg/day; Days 3-4 - 150mg/day; Day 5-End of Study - 300mg/day
Change in the 17 Item Hamilton Rating Scale for Depression (HAM-D-17) Score
-9.91 units on a scale
Standard Deviation 16.45
-7.41 units on a scale
Standard Deviation 8.13

SECONDARY outcome

Timeframe: Week 0 - Week 8

A score of 0-7 is considered to be normal. Hamilton Rating Scale total score ranges from 0-57 where higher scores are indicative of more depression.

Outcome measures

Outcome measures
Measure
Quetiapine XR
n=46 Participants
Days 1-2 - 50 mg/day; Days 3-4 - 150mg/day; Day 5-End of Study - 300mg/day
Placebo for Quetiapine XR
n=45 Participants
Days 1-2 - 50 mg/day; Days 3-4 - 150mg/day; Day 5-End of Study - 300mg/day
Response Rate (≥ 50% Improvement) on Hamilton Rating Scale for Depression (HAM-D-17)
12 participants
11 participants

SECONDARY outcome

Timeframe: Week 0 - Week 8

A score of 0-7 is considered to be normal. Hamilton Rating Scale total score ranges from 0-57 where higher scores are indicative of more depression. Remission is defined by the number of participants with Hamilton Rating Scale for Depression score equal to or less than 7.

Outcome measures

Outcome measures
Measure
Quetiapine XR
n=46 Participants
Days 1-2 - 50 mg/day; Days 3-4 - 150mg/day; Day 5-End of Study - 300mg/day
Placebo for Quetiapine XR
n=45 Participants
Days 1-2 - 50 mg/day; Days 3-4 - 150mg/day; Day 5-End of Study - 300mg/day
Remission Rate (≤ 7) on Hamilton Rating Scale for Depression (HAM-D-17)
6 Participants
6 Participants

SECONDARY outcome

Timeframe: Week 0 - Week 8

The Clinical Global Impression - Severity scale (CGI-S) is a 7-point scale that requires the clinician to rate the severity of the patient's illness at the time of assessment. 1, normal, not at all ill; 2, borderline mentally ill; 3, mildly ill; 4, moderately ill; 5, markedly ill; 6, severely ill; or 7, extremely ill.

Outcome measures

Outcome measures
Measure
Quetiapine XR
n=46 Participants
Days 1-2 - 50 mg/day; Days 3-4 - 150mg/day; Day 5-End of Study - 300mg/day
Placebo for Quetiapine XR
n=45 Participants
Days 1-2 - 50 mg/day; Days 3-4 - 150mg/day; Day 5-End of Study - 300mg/day
Change in Clinical Global Impressions of Improvement or Severity (CGI-I or S) Score
-1.10 units on a scale
Standard Deviation 1.16
-0.8 units on a scale
Standard Deviation 1.21

SECONDARY outcome

Timeframe: Week 0 - Week 8

This assessment degree of enjoyment and satisfaction experienced by subjects in various areas of daily functioning. The minimum raw score on the Q-LES-Q-SF is 14, and the maximum score is 70 with a higher score indicating less enjoyment and satisfaction.

Outcome measures

Outcome measures
Measure
Quetiapine XR
n=46 Participants
Days 1-2 - 50 mg/day; Days 3-4 - 150mg/day; Day 5-End of Study - 300mg/day
Placebo for Quetiapine XR
n=45 Participants
Days 1-2 - 50 mg/day; Days 3-4 - 150mg/day; Day 5-End of Study - 300mg/day
Change in the Quality of Life Enjoyment and Satisfaction Questionnaire (Q-LES-Q) Score
0.11 units on a scale
Standard Deviation 0.22
-0.06 units on a scale
Standard Deviation 0.52

SECONDARY outcome

Timeframe: Week 0 - Week 8

The scale consists of 14 items, each defined by a series of symptoms, and measures both psychic anxiety (mental agitation and psychological distress) and somatic anxiety (physical complaints related to anxiety).Each item is scored on a scale of 0 (not present) to 4 (severe), with a total score range of 0-56, where \<17 indicates mild severity, 18-24 mild to moderate severity and 25-30 moderate to severe

Outcome measures

Outcome measures
Measure
Quetiapine XR
n=46 Participants
Days 1-2 - 50 mg/day; Days 3-4 - 150mg/day; Day 5-End of Study - 300mg/day
Placebo for Quetiapine XR
n=45 Participants
Days 1-2 - 50 mg/day; Days 3-4 - 150mg/day; Day 5-End of Study - 300mg/day
Change in Hamilton Rating Scale for Anxiety (HAM-A)
-9.54 units on a scale
Standard Deviation 7.58
-8.25 units on a scale
Standard Deviation 8.70

Adverse Events

Quetiapine XR

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

Placebo for Quetiapine XR

Serious events: 0 serious events
Other events: 37 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Quetiapine XR
n=46 participants at risk
Days 1-2 - 50 mg/day; Days 3-4 - 150mg/day; Day 5-End of Study - 300mg/day
Placebo for Quetiapine XR
n=45 participants at risk
Days 1-2 - 50 mg/day; Days 3-4 - 150mg/day; Day 5-End of Study - 300mg/day
Ear and labyrinth disorders
Dry Mouth
58.7%
27/46 • Number of events 27
20.0%
9/45 • Number of events 9
Gastrointestinal disorders
Diarrhea
2.2%
1/46 • Number of events 1
6.7%
3/45 • Number of events 3
Gastrointestinal disorders
Nausea
6.5%
3/46 • Number of events 3
4.4%
2/45 • Number of events 2
Gastrointestinal disorders
Stomach Upset
6.5%
3/46 • Number of events 3
11.1%
5/45 • Number of events 5
General disorders
Dizziness
17.4%
8/46 • Number of events 8
17.8%
8/45 • Number of events 8
General disorders
Headache
15.2%
7/46 • Number of events 7
6.7%
3/45 • Number of events 3
General disorders
Increased Appetite
2.2%
1/46 • Number of events 1
8.9%
4/45 • Number of events 4
Psychiatric disorders
Sedation
8.7%
4/46 • Number of events 4
31.1%
14/45 • Number of events 14

Additional Information

Dr. Kemp Gao

University Hospitals Cleveland Medical Center

Phone: 216-844-2865

Results disclosure agreements

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