Allopurinol Maintenance Study for Bipolar Disorder

Status Terminated

Clinical Trial Summary

The purpose of this study is to investigate the efficacy of allopurinol as an augmentation agent for the prevention of mania in bipolar disorder patients with currently stable mood.

Clinical Trial Description

The purpose of this study is to investigate the efficacy of allopurinol as an augmentation agent for the prevention of mania in bipolar disorder patients with currently stable mood. Bipolar disorder is a mental disorder with severe mood swings (mania and depression). Despite the development of medications for mania, they may have significant side effects, high costs and the need for serum level monitoring. These factors adversely affect medication compliance in bipolar patients. One recent study indicated the efficacy of allopurinol in the treatment of bipolar mania. Our hypothesis is that the addition of allopurinol to standard medications for bipolar disorder will decrease the recurrences of manic episodes compared to standard medications.

This study will recruit bipolar disorder patients currently mood stable on a therapeutic dose of an anti-manic medication. Stable mood will be defined as a Young Mania Rating Scale score ≤10 and Hamilton Depression Rating Scale ≤10. Subjects must have a diagnosis of bipolar disorder confirmed by the Mini International Neuropsychiatric Interview. Young Mania Rating Scale and Mini International Neuropsychiatric Interview are common research questionnaires used in bipolar disorder studies. Potential subjects will be identified and approached during an outpatient clinical visit by a member of the research team and identified by their treating physicians and referred to the researchers.

This study involves adding allopurinol to subjects' current bipolar medications. This study will be a open label, naturalistic study. The subject will be examined monthly for manic symptoms for 2 years. Semi-structured interviews and study questionnaires will be administered to subjects at each visit. Monthly Follow-up Study Visits (once per month for 2 years - Months 1-5, 7-11, 13-17, 19-23) may be conducted either in-person or over the phone. All of the questionnaires will be administered by a clinician if the visit is completed over the phone. However, the 6-month interval visits (Months 6, 12, 18, and 24) must be done at the research center.

The primary outcome measure will be the number of manic episodes in the 2 year study period. A manic episode will be defined by a Young Mania Rating Scale score ≥20. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00732251
Study type	Interventional
Source	Cedars-Sinai Medical Center
Contact
Status	Terminated
Phase	Phase 4
Start date	August 2008
Completion date	January 2012

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.