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Adjunctive Isradipine for the Treatment of Bipolar Depression

NCT01784666 · Status: TERMINATED · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 2

Last updated 2017-04-20

Study results available
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Summary

This study investigates the medication isradipine, which is currently approved by the FDA to treat high blood pressure, in the treatment of depression in bipolar disorder. Isradipine or placebo (contains no active medication) will be used as an "add-on" to lithium, valproate, and/or atypical antipsychotics for individuals currently experiencing a major depressive episode. Our hypothesis is that isradipine will be superior to placebo in improving depressive symptoms.

Conditions

Interventions

DRUG

Isradipine

The study uses the Sequential Parallel Comparison design (SPCD), with two 4-week phases: n=30 subjects are randomized 1:1 to isradipine versus placebo add-on for 4 weeks, with the placebo nonresponders re-randomized 1:1 for a further 4 weeks. The SPCD will allow us to pool data from both phases to estimate the isradipine treatment effect. Subjects who respond in phase 1, and all subjects who receive isradipine in phase 1, continue blinded treatment in phase 2 to preserve the blind, but only phase 1 results are analyzed.

DRUG

Placebo

Subjects (n=15) are randomized to placebo add-on for 4 weeks, with the nonresponders re-randomized 1:1 to isradipine vs placebo for a further 4 weeks. Subjects who respond in phase 1 continue blinded treatment in phase 2 to preserve the blind, but only phase 1 results are analyzed.

Sponsors & Collaborators

  • Massachusetts General Hospital

    lead OTHER

Principal Investigators

  • Roy H Perlis, MD, MSc · Massachusetts General Hospital

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2013-02-28
Primary Completion
2014-04-30
Completion
2014-04-30

Countries

  • United States

Study Locations

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Entities

Drugs
Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01784666 on ClinicalTrials.gov