Trial Outcomes & Findings for Combined Mirtazapine and SSRI Treatment of PTSD: A Placebo-Controlled Trial (NCT NCT01178671)

NCT ID: NCT01178671

Last Updated: 2016-04-08

Results Overview

PTSD severity will be measured by the Clinician-Administered Posttraumatic Stress Disorder Scale, from 0 (least severe) to 136 (most severe).

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

38 participants

Primary outcome timeframe

up to 24 weeks

Results posted on

2016-04-08

Participant Flow

Participant milestones

Participant milestones
Measure
Sertraline and Mirtazapine
Flexible dose of both medications for up to 24 weeks Mirtazapine: Mirtazapine capsule, flexible dose of 15-45 mg/day for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks
Sertraline and Sugar Pill
Sertraline and Sugar pill for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks Sugar pill: Sugar pill capsule, flexible dose of 1-3 per day, for up to 24 weeks
Overall Study
STARTED
18
18
Overall Study
COMPLETED
6
3
Overall Study
NOT COMPLETED
12
15

Reasons for withdrawal

Reasons for withdrawal
Measure
Sertraline and Mirtazapine
Flexible dose of both medications for up to 24 weeks Mirtazapine: Mirtazapine capsule, flexible dose of 15-45 mg/day for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks
Sertraline and Sugar Pill
Sertraline and Sugar pill for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks Sugar pill: Sugar pill capsule, flexible dose of 1-3 per day, for up to 24 weeks
Overall Study
Adverse Event
4
6
Overall Study
Protocol Violation
1
1
Overall Study
Lack of Efficacy
0
1
Overall Study
Lost to Follow-up
3
1
Overall Study
Physician Decision
4
6

Baseline Characteristics

Combined Mirtazapine and SSRI Treatment of PTSD: A Placebo-Controlled Trial

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Sertraline and Mirtazapine
n=18 Participants
Flexible dose of both medications for up to 24 weeks Mirtazapine: Mirtazapine capsule, flexible dose of 15-45 mg/day for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks
Sertraline and Sugar Pill
n=18 Participants
Sertraline and Sugar pill for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks Sugar pill: Sugar pill capsule, flexible dose of 1-3 per day, for up to 24 weeks
Total
n=36 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=93 Participants
0 Participants
n=4 Participants
0 Participants
n=27 Participants
Age, Categorical
Between 18 and 65 years
18 Participants
n=93 Participants
18 Participants
n=4 Participants
36 Participants
n=27 Participants
Age, Categorical
>=65 years
0 Participants
n=93 Participants
0 Participants
n=4 Participants
0 Participants
n=27 Participants
Age, Continuous
37.6 years
STANDARD_DEVIATION 11.7 • n=93 Participants
42.4 years
STANDARD_DEVIATION 13.3 • n=4 Participants
40.0 years
STANDARD_DEVIATION 12.5 • n=27 Participants
Sex: Female, Male
Female
12 Participants
n=93 Participants
11 Participants
n=4 Participants
23 Participants
n=27 Participants
Sex: Female, Male
Male
6 Participants
n=93 Participants
7 Participants
n=4 Participants
13 Participants
n=27 Participants
Race/Ethnicity, Customized
white
4 participants
n=93 Participants
5 participants
n=4 Participants
9 participants
n=27 Participants
Race/Ethnicity, Customized
black
4 participants
n=93 Participants
3 participants
n=4 Participants
7 participants
n=27 Participants
Race/Ethnicity, Customized
other
10 participants
n=93 Participants
10 participants
n=4 Participants
20 participants
n=27 Participants
Region of Enrollment
United States
18 participants
n=93 Participants
18 participants
n=4 Participants
36 participants
n=27 Participants
Hamilton Rating Scale for Depression
20.8 units on a scale
STANDARD_DEVIATION 6.2 • n=93 Participants
20.4 units on a scale
STANDARD_DEVIATION 5.9 • n=4 Participants
20.6 units on a scale
STANDARD_DEVIATION 6.0 • n=27 Participants
Posttraumatic Stress Disorder Checklist
58.9 units on a scale
STANDARD_DEVIATION 11.0 • n=93 Participants
60.0 units on a scale
STANDARD_DEVIATION 10.5 • n=4 Participants
59.5 units on a scale
STANDARD_DEVIATION 10.8 • n=27 Participants
Quality of Life Enjoyment and Satisfaction Scale
39.1 units on a scale
STANDARD_DEVIATION 13.6 • n=93 Participants
41.4 units on a scale
STANDARD_DEVIATION 13.5 • n=4 Participants
40.2 units on a scale
STANDARD_DEVIATION 13.4 • n=27 Participants
Medical Outcomes Study Short Form 12 - Physical
43.9 units on a scale
STANDARD_DEVIATION 9.8 • n=93 Participants
41.4 units on a scale
STANDARD_DEVIATION 10.6 • n=4 Participants
42.7 units on a scale
STANDARD_DEVIATION 10.1 • n=27 Participants
Medical Outcomes Study Short Form 12 - Mental
30.3 units on a scale
STANDARD_DEVIATION 13.5 • n=93 Participants
30.4 units on a scale
STANDARD_DEVIATION 10.0 • n=4 Participants
30.4 units on a scale
STANDARD_DEVIATION 11.7 • n=27 Participants
Pittsburgh Sleep Quality Index Global
11.5 units on a scale
STANDARD_DEVIATION 4.9 • n=93 Participants
12.8 units on a scale
STANDARD_DEVIATION 3.1 • n=4 Participants
12.1 units on a scale
STANDARD_DEVIATION 4.1 • n=27 Participants
Pittsburgh Sleep Quality Index Addendum for PTSD
10.0 units on a scale
STANDARD_DEVIATION 4.9 • n=93 Participants
11.2 units on a scale
STANDARD_DEVIATION 5.6 • n=4 Participants
10.6 units on a scale
STANDARD_DEVIATION 5.2 • n=27 Participants
Clinician Administered PTSD Scale
77.9 units on a scale
STANDARD_DEVIATION 19.5 • n=93 Participants
81.3 units on a scale
STANDARD_DEVIATION 12.2 • n=4 Participants
79.6 units on a scale
STANDARD_DEVIATION 16.2 • n=27 Participants

PRIMARY outcome

Timeframe: up to 24 weeks

Population: intention to treat sample

PTSD severity will be measured by the Clinician-Administered Posttraumatic Stress Disorder Scale, from 0 (least severe) to 136 (most severe).

Outcome measures

Outcome measures
Measure
Sertraline and Sugar Pill
n=18 Participants
Sertraline and Sugar pill for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks Sugar pill: Sugar pill capsule, flexible dose of 1-3 per day, for up to 24 weeks
Sertraline and Mirtazapine
n=18 Participants
Flexible dose of both medications for up to 24 weeks Mirtazapine: Mirtazapine capsule, flexible dose of 15-45 mg/day for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks
PTSD Severity
34.6 units on a scale
Standard Deviation 17.7
23.8 units on a scale
Standard Deviation 17.4

PRIMARY outcome

Timeframe: up to 24 weeks

Outcome measures

Outcome measures
Measure
Sertraline and Sugar Pill
n=18 Participants
Sertraline and Sugar pill for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks Sugar pill: Sugar pill capsule, flexible dose of 1-3 per day, for up to 24 weeks
Sertraline and Mirtazapine
n=18 Participants
Flexible dose of both medications for up to 24 weeks Mirtazapine: Mirtazapine capsule, flexible dose of 15-45 mg/day for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks
Time to Discontinuation of Study Treatment
90.0 days
Standard Deviation 14.8
95.2 days
Standard Deviation 73.1

SECONDARY outcome

Timeframe: up to 24 weeks

Population: completers

as measured by the Short Posttraumatic Stress Disorder Rating Interview, which rates severity of PTSD from 0 (least severe) to 32 (most severe)

Outcome measures

Outcome measures
Measure
Sertraline and Sugar Pill
n=6 Participants
Sertraline and Sugar pill for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks Sugar pill: Sugar pill capsule, flexible dose of 1-3 per day, for up to 24 weeks
Sertraline and Mirtazapine
n=9 Participants
Flexible dose of both medications for up to 24 weeks Mirtazapine: Mirtazapine capsule, flexible dose of 15-45 mg/day for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks
Alternative Measure of PTSD Severity
6.7 units on a scale
Standard Deviation 5.0
3.4 units on a scale
Standard Deviation 2.9

SECONDARY outcome

Timeframe: up to 24 weeks

Population: completers

as measured by the PTSD Checklist which rates severity of PTSD from 17 (least severe) to 85 (most severe).

Outcome measures

Outcome measures
Measure
Sertraline and Sugar Pill
n=9 Participants
Sertraline and Sugar pill for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks Sugar pill: Sugar pill capsule, flexible dose of 1-3 per day, for up to 24 weeks
Sertraline and Mirtazapine
n=9 Participants
Flexible dose of both medications for up to 24 weeks Mirtazapine: Mirtazapine capsule, flexible dose of 15-45 mg/day for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks
PTSD Self-rated Severity
39.2 units on a scale
Standard Deviation 18.2
33.2 units on a scale
Standard Deviation 18.4

SECONDARY outcome

Timeframe: up to 24 weeks

Population: intent to treat

as measured by the 17-item Hamilton Rating Scale for Depression, which rates severity of depression on a scale from 0 (least depression) to 50 (greatest depression).

Outcome measures

Outcome measures
Measure
Sertraline and Sugar Pill
n=18 Participants
Sertraline and Sugar pill for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks Sugar pill: Sugar pill capsule, flexible dose of 1-3 per day, for up to 24 weeks
Sertraline and Mirtazapine
n=18 Participants
Flexible dose of both medications for up to 24 weeks Mirtazapine: Mirtazapine capsule, flexible dose of 15-45 mg/day for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks
Depression Severity
11.6 units on a scale
Standard Deviation 6.4
6.4 units on a scale
Standard Deviation 6.1

SECONDARY outcome

Timeframe: up to 24 weeks

Population: intent to treat

Responders defined by Clinician Administered Posttraumatic Stress Disorder Scale total score decreased by at least 30% compared with baseline and Clinical Global Impression improvement score of =1 or 2 at endpoint

Outcome measures

Outcome measures
Measure
Sertraline and Sugar Pill
n=18 Participants
Sertraline and Sugar pill for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks Sugar pill: Sugar pill capsule, flexible dose of 1-3 per day, for up to 24 weeks
Sertraline and Mirtazapine
n=18 Participants
Flexible dose of both medications for up to 24 weeks Mirtazapine: Mirtazapine capsule, flexible dose of 15-45 mg/day for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks
Response Status
22 percentage of subjects
56 percentage of subjects

SECONDARY outcome

Timeframe: up to 24 weeks

Population: intent to treat

Remitter as defined by Clinician Administered Posttraumatic Stress Disorders Scale total score \<20 at endpoint

Outcome measures

Outcome measures
Measure
Sertraline and Sugar Pill
n=18 Participants
Sertraline and Sugar pill for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks Sugar pill: Sugar pill capsule, flexible dose of 1-3 per day, for up to 24 weeks
Sertraline and Mirtazapine
n=18 Participants
Flexible dose of both medications for up to 24 weeks Mirtazapine: Mirtazapine capsule, flexible dose of 15-45 mg/day for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks
Remission Status
11 percentage of subjects
39 percentage of subjects

SECONDARY outcome

Timeframe: up to 24 weeks

Population: intent to treat

as assessed by Side Effect Checklist

Outcome measures

Outcome measures
Measure
Sertraline and Sugar Pill
n=18 Participants
Sertraline and Sugar pill for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks Sugar pill: Sugar pill capsule, flexible dose of 1-3 per day, for up to 24 weeks
Sertraline and Mirtazapine
n=18 Participants
Flexible dose of both medications for up to 24 weeks Mirtazapine: Mirtazapine capsule, flexible dose of 15-45 mg/day for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks
Adverse Effects
33.3 percentage of subject dropped due to AEs
22.2 percentage of subject dropped due to AEs

SECONDARY outcome

Timeframe: up to 24 weeks

Population: intent to treat

as measured by Pittsburgh Sleep Quality Index, which rates severity of impairment in sleep quality from 0 (least impaired) to 21 (most impaired).

Outcome measures

Outcome measures
Measure
Sertraline and Sugar Pill
n=18 Participants
Sertraline and Sugar pill for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks Sugar pill: Sugar pill capsule, flexible dose of 1-3 per day, for up to 24 weeks
Sertraline and Mirtazapine
n=18 Participants
Flexible dose of both medications for up to 24 weeks Mirtazapine: Mirtazapine capsule, flexible dose of 15-45 mg/day for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks
Sleep Quality
9.1 units on a scale
Standard Deviation 4.9
4.4 units on a scale
Standard Deviation 4.2

SECONDARY outcome

Timeframe: up to 24 weeks

Population: intent to treat

as measured by Arizona Sexual Experiences Scale, which rates impairment in sexual functioning from 5 (least impaired) to 30 (most impaired).

Outcome measures

Outcome measures
Measure
Sertraline and Sugar Pill
n=18 Participants
Sertraline and Sugar pill for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks Sugar pill: Sugar pill capsule, flexible dose of 1-3 per day, for up to 24 weeks
Sertraline and Mirtazapine
n=18 Participants
Flexible dose of both medications for up to 24 weeks Mirtazapine: Mirtazapine capsule, flexible dose of 15-45 mg/day for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks
Sexual Functioning
17.4 units on a scale
Standard Deviation 8.1
16.3 units on a scale
Standard Deviation 4.3

Adverse Events

Sertraline and Mirtazapine

Serious events: 0 serious events
Other events: 18 other events
Deaths: 0 deaths

Sertraline and Sugar Pill

Serious events: 0 serious events
Other events: 18 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Sertraline and Mirtazapine
n=18 participants at risk
Flexible dose of both medications for up to 24 weeks Mirtazapine: Mirtazapine capsule, flexible dose of 15-45 mg/day for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks
Sertraline and Sugar Pill
n=18 participants at risk
Sertraline and Sugar pill for up to 24 weeks Sertraline: Sertraline tablet, flexible dose of 25-200mg/day for up to 24 weeks Sugar pill: Sugar pill capsule, flexible dose of 1-3 per day, for up to 24 weeks
Nervous system disorders
headache
22.2%
4/18 • 24 weeks
16.7%
3/18 • 24 weeks
Gastrointestinal disorders
heartburn
27.8%
5/18 • 24 weeks
16.7%
3/18 • 24 weeks
Gastrointestinal disorders
nausea
11.1%
2/18 • 24 weeks
44.4%
8/18 • 24 weeks
Gastrointestinal disorders
emesis
11.1%
2/18 • 24 weeks
16.7%
3/18 • 24 weeks
Gastrointestinal disorders
decreased appetite
16.7%
3/18 • 24 weeks
27.8%
5/18 • 24 weeks
Gastrointestinal disorders
increased appetite
50.0%
9/18 • 24 weeks
11.1%
2/18 • 24 weeks
Gastrointestinal disorders
dry mouth
16.7%
3/18 • 24 weeks
27.8%
5/18 • 24 weeks
Gastrointestinal disorders
constipation
16.7%
3/18 • 24 weeks
27.8%
5/18 • 24 weeks
Gastrointestinal disorders
diarrhea
33.3%
6/18 • 24 weeks
27.8%
5/18 • 24 weeks
Skin and subcutaneous tissue disorders
sweating
22.2%
4/18 • 24 weeks
27.8%
5/18 • 24 weeks
Skin and subcutaneous tissue disorders
skin problems
22.2%
4/18 • 24 weeks
5.6%
1/18 • 24 weeks
Blood and lymphatic system disorders
bruising
0.00%
0/18 • 24 weeks
5.6%
1/18 • 24 weeks
Nervous system disorders
restlessness
11.1%
2/18 • 24 weeks
5.6%
1/18 • 24 weeks
Nervous system disorders
tremor
27.8%
5/18 • 24 weeks
27.8%
5/18 • 24 weeks
Nervous system disorders
nervousness
5.6%
1/18 • 24 weeks
5.6%
1/18 • 24 weeks
Nervous system disorders
incoordination
16.7%
3/18 • 24 weeks
11.1%
2/18 • 24 weeks
Nervous system disorders
insomnia
11.1%
2/18 • 24 weeks
11.1%
2/18 • 24 weeks
General disorders
fatigue
5.6%
1/18 • 24 weeks
33.3%
6/18 • 24 weeks
Nervous system disorders
somnolence
33.3%
6/18 • 24 weeks
27.8%
5/18 • 24 weeks
Reproductive system and breast disorders
decreased libido (men)
0.00%
0/6 • 24 weeks
42.9%
3/7 • 24 weeks
Reproductive system and breast disorders
decreased libido (women)
41.7%
5/12 • 24 weeks
27.3%
3/11 • 24 weeks
Reproductive system and breast disorders
sexual dysfunction (men)
0.00%
0/6 • 24 weeks
42.9%
3/7 • 24 weeks
Reproductive system and breast disorders
sexual dysfunction (women)
8.3%
1/12 • 24 weeks
18.2%
2/11 • 24 weeks
Renal and urinary disorders
urinary dysfunction
27.8%
5/18 • 24 weeks
27.8%
5/18 • 24 weeks
Eye disorders
blurry vision
22.2%
4/18 • 24 weeks
11.1%
2/18 • 24 weeks
Nervous system disorders
lightheadedness
50.0%
9/18 • 24 weeks
22.2%
4/18 • 24 weeks
Nervous system disorders
forgetfulness
22.2%
4/18 • 24 weeks
22.2%
4/18 • 24 weeks
Nervous system disorders
impaired concentration
11.1%
2/18 • 24 weeks
22.2%
4/18 • 24 weeks
Nervous system disorders
apathy
11.1%
2/18 • 24 weeks
16.7%
3/18 • 24 weeks

Additional Information

Franklin Schneier MD

Research Foundation for Mental Hygiene

Phone: 6467748041

Results disclosure agreements

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