Trial Outcomes & Findings for Double-blind, Placebo-Controlled Divalproex Sodium ER in Bipolar I or Bipolar II Depression (NCT NCT00194116)

NCT ID: NCT00194116

Last Updated: 2019-07-17

Results Overview

MADRS total scores range from 0-60, where higher scores are indicative of more depression.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

54 participants

Primary outcome timeframe

Acute phase (week0-week6)

Results posted on

2019-07-17

Participant Flow

Participant milestones

Participant milestones
Measure
Divalproex Sodium ER
Divalproex Sodium ER: Tablets will be available in 250mg and 500mg strengths. Divalproex will be titrated to a minimum blood level of 50 mg/L. However, the investigators will titrate divalproex to the maximum tolerable dose with an expected average dose of 2000mg per day. By dosing in this manner, all subjects will have a minimum blood level of 50 mg/L, but the mean level is likely to be considerably higher.
Placebo
Placebo: . Tablets will be available in 250mg and 500mg strengths. Divalproex will be titrated to a minimum blood level of 50 mg/L. However, the investigators will titrate divalproex to the maximum tolerable dose with an expected average dose of 2000mg per day. By dosing in this manner, all subjects will have a minimum blood level of 50 mg/L, but the mean level is likely to be considerably higher.
Overall Study
STARTED
26
28
Overall Study
COMPLETED
13
13
Overall Study
NOT COMPLETED
13
15

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Double-blind, Placebo-Controlled Divalproex Sodium ER in Bipolar I or Bipolar II Depression

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Divalproex Sodium ER
n=26 Participants
Divalproex Sodium ER: Tablets will be available in 250mg and 500mg strengths. Divalproex will be titrated to a minimum blood level of 50 mg/L. However, the investigators will titrate divalproex to the maximum tolerable dose with an expected average dose of 2000mg per day. By dosing in this manner, all subjects will have a minimum blood level of 50 mg/L, but the mean level is likely to be considerably higher.
Placebo
n=28 Participants
Placebo: . Tablets will be available in 250mg and 500mg strengths. Divalproex will be titrated to a minimum blood level of 50 mg/L. However, the investigators will titrate divalproex to the maximum tolerable dose with an expected average dose of 2000mg per day. By dosing in this manner, all subjects will have a minimum blood level of 50 mg/L, but the mean level is likely to be considerably higher.
Total
n=54 Participants
Total of all reporting groups
Age, Continuous
39.7 years
STANDARD_DEVIATION 10.3 • n=5 Participants
38.8 years
STANDARD_DEVIATION 14.4 • n=7 Participants
39.2 years
STANDARD_DEVIATION 12.5 • n=5 Participants
Sex: Female, Male
Female
15 Participants
n=5 Participants
16 Participants
n=7 Participants
31 Participants
n=5 Participants
Sex: Female, Male
Male
11 Participants
n=5 Participants
12 Participants
n=7 Participants
23 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
2 Participants
n=5 Participants
0 Participants
n=7 Participants
2 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
3 Participants
n=5 Participants
6 Participants
n=7 Participants
9 Participants
n=5 Participants
Race (NIH/OMB)
White
20 Participants
n=5 Participants
22 Participants
n=7 Participants
42 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
DSM-IV Diagnosis
Bipolar I Disorder
10 Participants
n=5 Participants
10 Participants
n=7 Participants
20 Participants
n=5 Participants
DSM-IV Diagnosis
Bipolar II Disorder
16 Participants
n=5 Participants
18 Participants
n=7 Participants
34 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Acute phase (week0-week6)

MADRS total scores range from 0-60, where higher scores are indicative of more depression.

Outcome measures

Outcome measures
Measure
Divalproex Sodium ER
n=26 Participants
Divalproex Sodium ER: Tablets will be available in 250mg and 500mg strengths. Divalproex will be titrated to a minimum blood level of 50 mg/L. However, the investigators will titrate divalproex to the maximum tolerable dose with an expected average dose of 2000mg per day. By dosing in this manner, all subjects will have a minimum blood level of 50 mg/L, but the mean level is likely to be considerably higher.
Placebo
n=28 Participants
Placebo: . Tablets will be available in 250mg and 500mg strengths. Divalproex will be titrated to a minimum blood level of 50 mg/L. However, the investigators will titrate divalproex to the maximum tolerable dose with an expected average dose of 2000mg per day. By dosing in this manner, all subjects will have a minimum blood level of 50 mg/L, but the mean level is likely to be considerably higher.
Change in Montgomery-Asberg Depression Rating Scale (MADRS) Total Score
-9.64 units on a scale
Standard Error 1.49
-5.32 units on a scale
Standard Error 1.40

SECONDARY outcome

Timeframe: Acute phase (week0-week6)

YMRS Scores range from 0 to 60 where higher scores are indicative of more mania.

Outcome measures

Outcome measures
Measure
Divalproex Sodium ER
n=26 Participants
Divalproex Sodium ER: Tablets will be available in 250mg and 500mg strengths. Divalproex will be titrated to a minimum blood level of 50 mg/L. However, the investigators will titrate divalproex to the maximum tolerable dose with an expected average dose of 2000mg per day. By dosing in this manner, all subjects will have a minimum blood level of 50 mg/L, but the mean level is likely to be considerably higher.
Placebo
n=28 Participants
Placebo: . Tablets will be available in 250mg and 500mg strengths. Divalproex will be titrated to a minimum blood level of 50 mg/L. However, the investigators will titrate divalproex to the maximum tolerable dose with an expected average dose of 2000mg per day. By dosing in this manner, all subjects will have a minimum blood level of 50 mg/L, but the mean level is likely to be considerably higher.
Change in Young Mania Rating Scale (YMRS) Total Score
-0.54 units on a scale
Standard Deviation 5.04
-0.46 units on a scale
Standard Deviation 3.28

SECONDARY outcome

Timeframe: Acute phase (week0-week6)

Population: Not all subjects completed the GBI at study end point

GBI Depression Scale Scores range from 46-184, where higher scores are indicative of more depression.

Outcome measures

Outcome measures
Measure
Divalproex Sodium ER
n=9 Participants
Divalproex Sodium ER: Tablets will be available in 250mg and 500mg strengths. Divalproex will be titrated to a minimum blood level of 50 mg/L. However, the investigators will titrate divalproex to the maximum tolerable dose with an expected average dose of 2000mg per day. By dosing in this manner, all subjects will have a minimum blood level of 50 mg/L, but the mean level is likely to be considerably higher.
Placebo
n=8 Participants
Placebo: . Tablets will be available in 250mg and 500mg strengths. Divalproex will be titrated to a minimum blood level of 50 mg/L. However, the investigators will titrate divalproex to the maximum tolerable dose with an expected average dose of 2000mg per day. By dosing in this manner, all subjects will have a minimum blood level of 50 mg/L, but the mean level is likely to be considerably higher.
Change in General Behavior Inventory (GBI) Depression Scale Score
-11.56 units on a scale
Standard Deviation 14.0
0.9 units on a scale
Standard Deviation 18.4

SECONDARY outcome

Timeframe: Acute phase (week0-week6)

Population: Not all subjects completed the GBI at study end point

GBI Hypomanic/Biphasic Scale scores range from 28-112, where higher scores are indicative of more hypomanic/manic symptoms.

Outcome measures

Outcome measures
Measure
Divalproex Sodium ER
n=9 Participants
Divalproex Sodium ER: Tablets will be available in 250mg and 500mg strengths. Divalproex will be titrated to a minimum blood level of 50 mg/L. However, the investigators will titrate divalproex to the maximum tolerable dose with an expected average dose of 2000mg per day. By dosing in this manner, all subjects will have a minimum blood level of 50 mg/L, but the mean level is likely to be considerably higher.
Placebo
n=8 Participants
Placebo: . Tablets will be available in 250mg and 500mg strengths. Divalproex will be titrated to a minimum blood level of 50 mg/L. However, the investigators will titrate divalproex to the maximum tolerable dose with an expected average dose of 2000mg per day. By dosing in this manner, all subjects will have a minimum blood level of 50 mg/L, but the mean level is likely to be considerably higher.
Change in General Behavior Inventory (GBI) Hypomanic/Biphasic Scale Score
-7.2 units on a scale
Standard Deviation 8.3
-6.8 units on a scale
Standard Deviation 7.3

SECONDARY outcome

Timeframe: Acute phase (week0-week6)

Population: Not all subjects completed the SF-36 at study end point

SF-36 Physical Component Summary scores range from 0-100, with a higher score indicating better physical health.

Outcome measures

Outcome measures
Measure
Divalproex Sodium ER
n=18 Participants
Divalproex Sodium ER: Tablets will be available in 250mg and 500mg strengths. Divalproex will be titrated to a minimum blood level of 50 mg/L. However, the investigators will titrate divalproex to the maximum tolerable dose with an expected average dose of 2000mg per day. By dosing in this manner, all subjects will have a minimum blood level of 50 mg/L, but the mean level is likely to be considerably higher.
Placebo
n=14 Participants
Placebo: . Tablets will be available in 250mg and 500mg strengths. Divalproex will be titrated to a minimum blood level of 50 mg/L. However, the investigators will titrate divalproex to the maximum tolerable dose with an expected average dose of 2000mg per day. By dosing in this manner, all subjects will have a minimum blood level of 50 mg/L, but the mean level is likely to be considerably higher.
Change in Short Form Health Survey (SF-36) Physical Component Summary Score
-3.4 units on a scale
Standard Deviation 15.7
-4.2 units on a scale
Standard Deviation 9.2

SECONDARY outcome

Timeframe: Acute phase (week0-week6)

Population: Not all subjects completed the SF-36 at study end point

SF-36 Mental Component Summary scores range from 0-100, with a higher score indicating better mental health.

Outcome measures

Outcome measures
Measure
Divalproex Sodium ER
n=18 Participants
Divalproex Sodium ER: Tablets will be available in 250mg and 500mg strengths. Divalproex will be titrated to a minimum blood level of 50 mg/L. However, the investigators will titrate divalproex to the maximum tolerable dose with an expected average dose of 2000mg per day. By dosing in this manner, all subjects will have a minimum blood level of 50 mg/L, but the mean level is likely to be considerably higher.
Placebo
n=14 Participants
Placebo: . Tablets will be available in 250mg and 500mg strengths. Divalproex will be titrated to a minimum blood level of 50 mg/L. However, the investigators will titrate divalproex to the maximum tolerable dose with an expected average dose of 2000mg per day. By dosing in this manner, all subjects will have a minimum blood level of 50 mg/L, but the mean level is likely to be considerably higher.
Change in Short Form Health Survey (SF-36) Mental Component Summary Score
17.9 units on a scale
Standard Deviation 18.4
13.5 units on a scale
Standard Deviation 15.7

SECONDARY outcome

Timeframe: Acute phase (week0-week6)

HAMA Scores range from 0 to 56 where higher scores are indicative of more anxiety.

Outcome measures

Outcome measures
Measure
Divalproex Sodium ER
n=26 Participants
Divalproex Sodium ER: Tablets will be available in 250mg and 500mg strengths. Divalproex will be titrated to a minimum blood level of 50 mg/L. However, the investigators will titrate divalproex to the maximum tolerable dose with an expected average dose of 2000mg per day. By dosing in this manner, all subjects will have a minimum blood level of 50 mg/L, but the mean level is likely to be considerably higher.
Placebo
n=28 Participants
Placebo: . Tablets will be available in 250mg and 500mg strengths. Divalproex will be titrated to a minimum blood level of 50 mg/L. However, the investigators will titrate divalproex to the maximum tolerable dose with an expected average dose of 2000mg per day. By dosing in this manner, all subjects will have a minimum blood level of 50 mg/L, but the mean level is likely to be considerably higher.
Change in Hamilton Anxiety Rating Scale (HAMA) Total Score
-4.6 units on a scale
Standard Deviation 4.6
-3.5 units on a scale
Standard Deviation 7.0

Adverse Events

Divalproex Sodium ER

Serious events: 0 serious events
Other events: 13 other events
Deaths: 0 deaths

Placebo

Serious events: 0 serious events
Other events: 5 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Divalproex Sodium ER
n=26 participants at risk
Divalproex Sodium ER: Tablets will be available in 250mg and 500mg strengths. Divalproex will be titrated to a minimum blood level of 50 mg/L. However, the investigators will titrate divalproex to the maximum tolerable dose with an expected average dose of 2000mg per day. By dosing in this manner, all subjects will have a minimum blood level of 50 mg/L, but the mean level is likely to be considerably higher.
Placebo
n=28 participants at risk
Placebo: . Tablets will be available in 250mg and 500mg strengths. Divalproex will be titrated to a minimum blood level of 50 mg/L. However, the investigators will titrate divalproex to the maximum tolerable dose with an expected average dose of 2000mg per day. By dosing in this manner, all subjects will have a minimum blood level of 50 mg/L, but the mean level is likely to be considerably higher.
Gastrointestinal disorders
Nausea
34.6%
9/26 • Number of events 26
14.3%
4/28 • Number of events 28
General disorders
Increased Appetite
15.4%
4/26 • Number of events 4
7.1%
2/28 • Number of events 2
Gastrointestinal disorders
Diarrhea
11.5%
3/26 • Number of events 3
7.1%
2/28 • Number of events 2
General disorders
Fatigue
11.5%
3/26 • Number of events 3
10.7%
3/28 • Number of events 3
General disorders
Dry Mouth
11.5%
3/26 • Number of events 3
3.6%
1/28 • Number of events 1
Gastrointestinal disorders
Stomach Cramps
11.5%
3/26 • Number of events 3
0.00%
0/28

Additional Information

Dr. Keming Gao

Univeristy Hospitals Case Medical Center

Phone: 216-844-2865

Results disclosure agreements

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