Trial Outcomes & Findings for Proof of Concept in Patients With Generalized Anxiety Disorder (GAD)AZD7325 (NCT NCT00807937)

NCT ID: NCT00807937

Last Updated: 2010-10-08

Results Overview

HAM-A total score 0-56 units, 14 questions scored on scale of 0-4 (0= Not present, 4=Very severe) . Higher HAM-A scores indicate higher levels of anxiety Change : score at week 4 minus score at randomization

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

369 participants

Primary outcome timeframe

Baseline to week 4

Results posted on

2010-10-08

Participant Flow

International multi-center study, 43 sites recruited between Dec 2008 and May 2009

Screening for eligibility and wash-out of restriced medications

Participant milestones

Participant milestones
Measure
AZD7325 5 mg
AZD7325 5 mg twice daily (BID)
AZD7325 15 mg
AZD7325 15 mg twice daily (BID)
Lorazepam
Lorazepam 2 mg twice daily (BID)
Placebo
Placebo
Overall Study
STARTED
93
92
92
92
Overall Study
COMPLETED
66
67
78
77
Overall Study
NOT COMPLETED
27
25
14
15

Reasons for withdrawal

Reasons for withdrawal
Measure
AZD7325 5 mg
AZD7325 5 mg twice daily (BID)
AZD7325 15 mg
AZD7325 15 mg twice daily (BID)
Lorazepam
Lorazepam 2 mg twice daily (BID)
Placebo
Placebo
Overall Study
Adverse Event
12
12
5
4
Overall Study
Protocol Violation
4
5
3
3
Overall Study
Withdrawal by Subject
5
4
1
4
Overall Study
Lost to Follow-up
4
0
2
1
Overall Study
Lack of Efficacy
0
0
1
2
Overall Study
Intake of prohibited medicine
0
0
2
0
Overall Study
All other reasons (not provided)
2
4
0
1

Baseline Characteristics

Proof of Concept in Patients With Generalized Anxiety Disorder (GAD)AZD7325

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
AZD7325 5 mg
n=93 Participants
AZD7325 5 mg twice daily (BID)
AZD7325 15 mg
n=92 Participants
AZD7325 15 mg twice daily (BID)
Lorazepam
n=92 Participants
Lorazepam 2 mg twice daily (BID)
Placebo
n=92 Participants
Placebo
Total
n=369 Participants
Total of all reporting groups
Age, Customized
18-39 years
46 Participants
n=5 Participants
42 Participants
n=7 Participants
43 Participants
n=5 Participants
44 Participants
n=4 Participants
175 Participants
n=21 Participants
Age, Customized
40-65 years
47 Participants
n=5 Participants
50 Participants
n=7 Participants
49 Participants
n=5 Participants
48 Participants
n=4 Participants
194 Participants
n=21 Participants
Sex: Female, Male
Female
58 Participants
n=5 Participants
43 Participants
n=7 Participants
45 Participants
n=5 Participants
45 Participants
n=4 Participants
191 Participants
n=21 Participants
Sex: Female, Male
Male
35 Participants
n=5 Participants
49 Participants
n=7 Participants
47 Participants
n=5 Participants
47 Participants
n=4 Participants
178 Participants
n=21 Participants

PRIMARY outcome

Timeframe: Baseline to week 4

HAM-A total score 0-56 units, 14 questions scored on scale of 0-4 (0= Not present, 4=Very severe) . Higher HAM-A scores indicate higher levels of anxiety Change : score at week 4 minus score at randomization

Outcome measures

Outcome measures
Measure
AZD7325 5 mg
n=89 Participants
AZD7325 5 mg twice daily (BID)
AZD7325 15 mg
n=89 Participants
AZD7325 15 mg twice daily (BID)
Lorazepam
n=91 Participants
Lorazepam 2 mg twice daily (BID)
Placebo
n=90 Participants
Placebo
Change in the Hamilton Rating Scale for Anxiety (HAM-A) Total Score
-10.1 Units on scale
Standard Error 0.89 • Interval 0.89 to
-10.4 Units on scale
Standard Error 0.89 • Interval 0.89 to
-10.8 Units on scale
Standard Error 0.88 • Interval 0.88 to
-9.5 Units on scale
Standard Error 0.88 • Interval 0.88 to

SECONDARY outcome

Timeframe: Baseline to week 4

HADS-A total score 0-21 units, 0 is the best, Higher total scores indicate a higher severity of the mood or anxiety disorder Change : score at week 4 minus score at randomization

Outcome measures

Outcome measures
Measure
AZD7325 5 mg
n=89 Participants
AZD7325 5 mg twice daily (BID)
AZD7325 15 mg
n=89 Participants
AZD7325 15 mg twice daily (BID)
Lorazepam
n=91 Participants
Lorazepam 2 mg twice daily (BID)
Placebo
n=90 Participants
Placebo
Change in Hospital Anxiety and Depression Scale for Anxiety (HADS-A) Total Score
-5.0 Units on scale
Standard Error 0.51 • Interval 0.51 to
-4.9 Units on scale
Standard Error 0.51 • Interval 0.51 to
-5.0 Units on scale
Standard Error 0.51 • Interval 0.51 to
-4.5 Units on scale
Standard Error 0.50 • Interval 0.5 to

SECONDARY outcome

Timeframe: Baseline to week 4

The HAM-A psychic anxiety cluster score 0-28 units consists of 7 questions scored on scale of 0-4 (0=Not present, 4=Very severe) . Higher scores indicate higher levels of psychic anxiety disorder. Change: score at week 4 minus score at randomization

Outcome measures

Outcome measures
Measure
AZD7325 5 mg
n=89 Participants
AZD7325 5 mg twice daily (BID)
AZD7325 15 mg
n=89 Participants
AZD7325 15 mg twice daily (BID)
Lorazepam
n=91 Participants
Lorazepam 2 mg twice daily (BID)
Placebo
n=90 Participants
Placebo
Change in Psychic Anxiety Factor as Measured by HAM-A Psychic Cluster Score
-5.5 Units on scale
Standard Error 0.51 • Interval 0.51 to
-5.7 Units on scale
Standard Error 0.51 • Interval 0.51 to
-6.0 Units on scale
Standard Error 0.51 • Interval 0.51 to
-5.1 Units on scale
Standard Error 0.51 • Interval 0.51 to

SECONDARY outcome

Timeframe: Baseline to week 4

The HAM-A Somatic cluster score 0-28 units consists of 7 questions scored on scale of 0-4 (0=Not present, 4=Very severe ) . Higher scores indicate higher levels of psychic anxiety disorder.

Outcome measures

Outcome measures
Measure
AZD7325 5 mg
n=89 Participants
AZD7325 5 mg twice daily (BID)
AZD7325 15 mg
n=89 Participants
AZD7325 15 mg twice daily (BID)
Lorazepam
n=91 Participants
Lorazepam 2 mg twice daily (BID)
Placebo
n=90 Participants
Placebo
Change in Somatic Symptoms as Measured by HAM-A Somatic Cluster Score
-4.5 Units on scale
Standard Error 0.43 • Interval 0.43 to
-4.7 Units on scale
Standard Error 0.43 • Interval 0.43 to
-4.9 Units on scale
Standard Error 0.43 • Interval 0.43 to
-4.3 Units on scale
Standard Error 0.43 • Interval 0.43 to

SECONDARY outcome

Timeframe: Baseline to week 4

Q-LES-Q total score is the sum of the first 14 times of Q-LES-Q, and this total score is converted to a % maximum total score by : Q-LES-Q total score /70 x 100%, Larger values indicate a higher perceived quality of life enjoyment and satisfaction. Change : percentage at week 4 minus percentage at randomization

Outcome measures

Outcome measures
Measure
AZD7325 5 mg
n=88 Participants
AZD7325 5 mg twice daily (BID)
AZD7325 15 mg
n=89 Participants
AZD7325 15 mg twice daily (BID)
Lorazepam
n=91 Participants
Lorazepam 2 mg twice daily (BID)
Placebo
n=90 Participants
Placebo
Change in Quality of Life Enjoyment and Satisfaction Questionnaire Short Form (Q-LES-Q-SF) Percent Maximum Total Score
7.79 percentage
Standard Error 1.339 • Interval 1.339 to
9.04 percentage
Standard Error 1.338 • Interval 1.338 to
7.46 percentage
Standard Error 1.318
6.95 percentage
Standard Error 1.317 • Interval 1.317 to

Adverse Events

AZD7325 5 mg

Serious events: 0 serious events
Other events: 63 other events
Deaths: 0 deaths

AZD7325 15 mg

Serious events: 0 serious events
Other events: 59 other events
Deaths: 0 deaths

Lorazepam

Serious events: 0 serious events
Other events: 65 other events
Deaths: 0 deaths

Placebo

Serious events: 0 serious events
Other events: 51 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
AZD7325 5 mg
n=93 participants at risk
AZD7325 5 mg twice daily (BID)
AZD7325 15 mg
n=92 participants at risk
AZD7325 15 mg twice daily (BID)
Lorazepam
n=92 participants at risk
Lorazepam 2 mg twice daily (BID)
Placebo
n=92 participants at risk
Placebo
Gastrointestinal disorders
Nausea
11.8%
11/93
8.7%
8/92
7.6%
7/92
8.7%
8/92
Gastrointestinal disorders
Diarrhoea
3.2%
3/93
7.6%
7/92
5.4%
5/92
5.4%
5/92
Gastrointestinal disorders
Dry Mouth
4.3%
4/93
5.4%
5/92
6.5%
6/92
3.3%
3/92
Gastrointestinal disorders
Vomiting
3.2%
3/93
1.1%
1/92
2.2%
2/92
5.4%
5/92
General disorders
Fatigue
10.8%
10/93
2.2%
2/92
16.3%
15/92
8.7%
8/92
General disorders
Feeling Abnormal
5.4%
5/93
8.7%
8/92
4.3%
4/92
3.3%
3/92
General disorders
Feeling Drunk
5.4%
5/93
4.3%
4/92
5.4%
5/92
0.00%
0/92
Infections and infestations
Upper Respiratory Tract Infection
2.2%
2/93
5.4%
5/92
1.1%
1/92
6.5%
6/92
Metabolism and nutrition disorders
Increased Appetite
5.4%
5/93
0.00%
0/92
0.00%
0/92
0.00%
0/92
Nervous system disorders
Dizziness
33.3%
31/93
29.3%
27/92
15.2%
14/92
12.0%
11/92
Nervous system disorders
Somnolence
19.4%
18/93
17.4%
16/92
31.5%
29/92
12.0%
11/92
Nervous system disorders
Headache
8.6%
8/93
8.7%
8/92
12.0%
11/92
12.0%
11/92
Nervous system disorders
Sedation
3.2%
3/93
6.5%
6/92
7.6%
7/92
1.1%
1/92
Psychiatric disorders
Euphoric Mood
8.6%
8/93
7.6%
7/92
4.3%
4/92
1.1%
1/92
Psychiatric disorders
Anxiety
5.4%
5/93
3.3%
3/92
1.1%
1/92
1.1%
1/92
Psychiatric disorders
Mood Altered
5.4%
5/93
4.3%
4/92
0.00%
0/92
0.00%
0/92

Additional Information

Gerard Lynch

AstraZeneca

Results disclosure agreements

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

Restriction type: OTHER