16-week Comparative Effectiveness Trial of Lamotrigine vs. Fluoxetine for

Status Terminated

Clinical Trial Summary

The FLAME Study is a 16-week clinical trial to study treatment with lamotrigine or fluoxetine in bipolar I, II and bipolar schizoaffective depressed adults. The purpose of the trial is to have a better understanding of whether individuals with a particular gene type and other inherited biological markers will have a good response to fluoxetine or lamotrigine, or alternatively, would be more likely to have side effects to this medication.

Clinical Trial Description

Depression is the predominant prevailing mood state of bipolar disorder and it is associated with substantial morbidity and mortality. However, in comparison to acute mania, bipolar depression is understudied both from the standpoint of its pathophysiology as well as clinical trials and treatment development. Given the lack of evidence-based guidelines, clinicians and participants enter a treatment phase with little guidance.

The FLAME Study is a 16-week, open randomized comparative effectiveness trial evaluating genomic predictors and biomarkers of response and adverse events to treatment with lamotrigine (n=200) and fluoxetine (n=200) for bipolar I, II and bipolar schizoaffective depressed adults (18-65). Participants will be recruited over a 5-year period.

It is known that functionally significant genetic polymorphisms of pharmacokinetics and pharmacodynamic pathways can influence individual differences in repose to specific medications. We propose to evaluate the contribution of these pharmacogenomic variations to lamotrigine and fluoxetine treatment response and adverse events. We will correlate clinical phenotypes of response and adverse events to treatment with genotype and haplotype variations of drug metabolism, neurotransmitter biosynthesis, (metabolism, storage, release, reuptake), receptor and intracellular signaling-that have been previously implicated to either lamotrigine or fluoxetine. These initial steps will be complemented with genome-wide analysis (GWA), pathway analysis and other candidate gene studies.

Based on our results we aim to develop a translational treatment algorithm of bipolar depression that may help individualized treatment for bipolar depression. This algorithm for participants could potentially increase the likelihood of successful treatment interventions, deliver the "right treatment, for the right participant at the right time", and decrease the number of ineffective treatments and/or risk for serious adverse events. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02389712
Study type	Interventional
Source	Mayo Clinic
Contact
Status	Terminated
Phase	Phase 4
Start date	March 2015
Completion date	May 23, 2018

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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.

16-week Comparative Effectiveness Trial of Lamotrigine vs. Fluoxetine for Bipolar Depression — FLAME

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms