Trial Outcomes & Findings for Pioglitazone for the Treatment of Bipolar Disorder and Comorbid Metabolic Syndrome or Insulin Resistance (NCT NCT00835120)

NCT ID: NCT00835120

Last Updated: 2017-01-26

Results Overview

Inventory of Depressive Symptoms-Clinician rated, 30 item (IDS-C30) score change from baseline to study endpoint. IDS-C30 total scores can range from 0 to 84, with higher scores indicating a worse outcome

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

34 participants

Primary outcome timeframe

Week 0 - Week 8

Results posted on

2017-01-26

Participant Flow

Participant milestones

Participant milestones
Measure
Pioglitazone
Pioglitazone has been approved by the U.S. Food and Drug Administration (FDA) to help people who are diagnosed with diabetes Pioglitazone: An open-label 12-week trial of pioglitazone monotherapy. The investigators will titrate pioglitazone to the maximum tolerable dose up to 45mg per day.
Overall Study
STARTED
34
Overall Study
COMPLETED
26
Overall Study
NOT COMPLETED
8

Reasons for withdrawal

Reasons for withdrawal
Measure
Pioglitazone
Pioglitazone has been approved by the U.S. Food and Drug Administration (FDA) to help people who are diagnosed with diabetes Pioglitazone: An open-label 12-week trial of pioglitazone monotherapy. The investigators will titrate pioglitazone to the maximum tolerable dose up to 45mg per day.
Overall Study
Lack of Efficacy
1
Overall Study
Lost to Follow-up
3
Overall Study
Adverse Event
2
Overall Study
Withdrawal by Subject
2

Baseline Characteristics

Pioglitazone for the Treatment of Bipolar Disorder and Comorbid Metabolic Syndrome or Insulin Resistance

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Pioglitazone
n=34 Participants
Pioglitazone has been approved by the U.S. Food and Drug Administration (FDA) to help people who are diagnosed with diabetes Pioglitazone: An open-label 12-week trial of pioglitazone monotherapy. The investigators will titrate pioglitazone to the maximum tolerable dose up to 45mg per day.
Age, Continuous
47.8 years
STANDARD_DEVIATION 10.9 • n=93 Participants
Gender
Female
19 Participants
n=93 Participants
Gender
Male
15 Participants
n=93 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=93 Participants
Race (NIH/OMB)
Asian
1 Participants
n=93 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=93 Participants
Race (NIH/OMB)
Black or African American
9 Participants
n=93 Participants
Race (NIH/OMB)
White
24 Participants
n=93 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=93 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=93 Participants
Bipolar Subtype
Bipolar 1
27 participants
n=93 Participants
Bipolar Subtype
Bipolar 2
5 participants
n=93 Participants
Bipolar Subtype
Bipolar not otherwise specified
2 participants
n=93 Participants
Age of depression onset
17.8 years
STANDARD_DEVIATION 10.9 • n=93 Participants
Age of mania/hypomania onset
23.5 years
STANDARD_DEVIATION 19.2 • n=93 Participants
Age first treated for depression
34.7 years
STANDARD_DEVIATION 11.3 • n=93 Participants
Age first treated for mania/hypomania
40.8 years
STANDARD_DEVIATION 12.0 • n=93 Participants
Duration of mood state
315.5 days
STANDARD_DEVIATION 331.6 • n=93 Participants
Number of prior hospitalizations
2 hospitalizations
STANDARD_DEVIATION 4.0 • n=93 Participants
Number of prior suicide attempts
1.2 suicide attempts
STANDARD_DEVIATION 2.0 • n=93 Participants
Employed
Yes
12 participants
n=93 Participants
Employed
No
22 participants
n=93 Participants
Medication treatment failures during current episode
>=2 mood stabilizers (MS) or a MS + antidepressant
26 participants
n=93 Participants
Medication treatment failures during current episode
>=4 mood stabilizers or antidepressant
15 participants
n=93 Participants
Comorbid diagnoses
Generalized anxiety disorder
25 participants
n=93 Participants
Comorbid diagnoses
Panic disorder
11 participants
n=93 Participants
Comorbid diagnoses
Post-traumatic stress disorder
12 participants
n=93 Participants
Comorbid diagnoses
Obsessive-compulsive disorder
5 participants
n=93 Participants
Comorbid diagnoses
Alcohol use disorder, lifetime
19 participants
n=93 Participants
History of physical abuse
Yes
10 participants
n=93 Participants
History of physical abuse
No
24 participants
n=93 Participants
History of verbal abuse
Yes
14 participants
n=93 Participants
History of verbal abuse
No
20 participants
n=93 Participants
History of sexual abuse
Yes
9 participants
n=93 Participants
History of sexual abuse
No
25 participants
n=93 Participants
Metabolic syndrome
Yes
32 participants
n=93 Participants
Metabolic syndrome
No
2 participants
n=93 Participants
Insulin resistance
Yes
30 participants
n=93 Participants
Insulin resistance
No
4 participants
n=93 Participants

PRIMARY outcome

Timeframe: Week 0 - Week 8

Inventory of Depressive Symptoms-Clinician rated, 30 item (IDS-C30) score change from baseline to study endpoint. IDS-C30 total scores can range from 0 to 84, with higher scores indicating a worse outcome

Outcome measures

Outcome measures
Measure
Pioglitazone
n=34 Participants
Pioglitazone has been approved by the U.S. Food and Drug Administration (FDA) to help people who are diagnosed with diabetes Pioglitazone: An open-label 12-week trial of pioglitazone monotherapy. The investigators will titrate pioglitazone to the maximum tolerable dose up to 45mg per day.
Change in the Inventory of Depressive Symptomatology-Clinician Rated (IDS-CR) Score
-16.5 units on a scale
Standard Error 2.6

SECONDARY outcome

Timeframe: Week 0 - Week 8

The QIDS-SR16 is a 16-item, self report assessment. Total scores can range from 0 to 27, with higher scores indicating a worse outcome

Outcome measures

Outcome measures
Measure
Pioglitazone
n=34 Participants
Pioglitazone has been approved by the U.S. Food and Drug Administration (FDA) to help people who are diagnosed with diabetes Pioglitazone: An open-label 12-week trial of pioglitazone monotherapy. The investigators will titrate pioglitazone to the maximum tolerable dose up to 45mg per day.
Change in Quick Inventory of Depressive Symptoms-Self Report (QIDS-SR16) Total Score
-7.1 units on a scale
Standard Error 1.2

SECONDARY outcome

Timeframe: Week 0 - Week 8

A participant is considered to have responded if their total score on either the MADRS or QIDS-SR16 decreases by at least 50% between their Week 0 visit and Week 8 visit.

Outcome measures

Outcome measures
Measure
Pioglitazone
n=34 Participants
Pioglitazone has been approved by the U.S. Food and Drug Administration (FDA) to help people who are diagnosed with diabetes Pioglitazone: An open-label 12-week trial of pioglitazone monotherapy. The investigators will titrate pioglitazone to the maximum tolerable dose up to 45mg per day.
Response Rates on the IDS-CR, Montgomery Asberg Depression Rating Scale (MADRS) and Quick Inventory of Depressive Symptomatology-Self-Report (QIDS-SR)
13 participants

SECONDARY outcome

Timeframe: Week 0 - Week 8

A participant is considered in remission if their total score on the MADRS is \> 7, their total score on the QIDS-SR16 \> 6 and/or their total score on the IDS-CR is \> 12 at Week 8.

Outcome measures

Outcome measures
Measure
Pioglitazone
n=34 Participants
Pioglitazone has been approved by the U.S. Food and Drug Administration (FDA) to help people who are diagnosed with diabetes Pioglitazone: An open-label 12-week trial of pioglitazone monotherapy. The investigators will titrate pioglitazone to the maximum tolerable dose up to 45mg per day.
Remission Rates Based on IDS-CR, QIDS-SR, and MADRS Scores
8 participants

SECONDARY outcome

Timeframe: Week 0 - Week 8

The CGI-BP asks the clinician one question: "Considering your total clinical experience with this particular population, how mentally ill is the patient at this time?" which is rated on the following seven-point scale: 1=normal, not at all ill; 2=borderline mentally ill; 3=mildly ill; 4=moderately ill; 5=markedly ill; 6=severely ill; 7=among the most extremely ill patients.

Outcome measures

Outcome measures
Measure
Pioglitazone
n=34 Participants
Pioglitazone has been approved by the U.S. Food and Drug Administration (FDA) to help people who are diagnosed with diabetes Pioglitazone: An open-label 12-week trial of pioglitazone monotherapy. The investigators will titrate pioglitazone to the maximum tolerable dose up to 45mg per day.
Change in Clinical Global Impressions-Bipolar Version (CGI-BP)
-1.9 units on a scale
Standard Error 0.3

Adverse Events

Pioglitazone

Serious events: 0 serious events
Other events: 16 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Pioglitazone
n=34 participants at risk
Pioglitazone has been approved by the U.S. Food and Drug Administration (FDA) to help people who are diagnosed with diabetes Pioglitazone: An open-label 12-week trial of pioglitazone monotherapy. The investigators will titrate pioglitazone to the maximum tolerable dose up to 45mg per day.
General disorders
Dizziness
11.8%
4/34
Psychiatric disorders
Irritability
11.8%
4/34
General disorders
Increased Appetite
11.8%
4/34
General disorders
Peripheral Edema
11.8%
4/34

Additional Information

Carla Conroy

University Hospitals Case Medical Center

Phone: 216-844-2871

Results disclosure agreements

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