A 4-week Study of Mifepristone in the Prevention of Risperidone-induced Weight Gain in Healthy Male Volunteers

• Status: Completed
• Trial end date: 2009-02-01
• Target enrollment: 0
• Participant gender: Male

Summary

This is a 28-day, single-center, double-blind, placebo-controlled inpatient study of the administration of risperidone alone or in combination with mifepristone in healthy adult male volunteers to determine the average change in absolute weight at Day 28 compared to baseline.

• Phase: Phase 2
• Accepts Healthy Volunteers?: Accepts Healthy Volunteers

Details

• Lead Sponsor: Corcept Therapeutics
• Treatments: Mifepristone; Risperidone

Criteria

Inclusion Criteria:

• BMI ≥ 18 and ≤ 23 kg/m2

• Able to provide written informed consent

• Routine clinical laboratory tests either within normal limits or not clinically meaningful if outside of normal limits

• AST, ALT, Tbili within normal limits at screening

• Medical and psychiatric history and physical examination devoid of any significant findings that would interfere with participation or interpretation of results in this study

• Agree to use a barrier method of birth control for 28 days following the last dose of study medication

• Have maintained a stable weight for at least 6 months prior to Screening

Exclusion Criteria:

• Prior or current history of any psychiatric disorder, including eating disorders such as anorexia nervosa, bulimia nervosa, or binge-eating disorder

• Positive urine drug screen for any drug of abuse (including amphetamines, cannabinoids, barbiturates, cocaine, opiates, benzodiazepines) unless prescribed by a physician

• Participation in a clinical investigation of any drug, biological or other investigational therapy within 30 days prior to dosing

• Have a history of an allergic reaction to either mifepristone or risperidone

• Any other clinically significant abnormality on screening laboratory tests

• QTc Bazzett's ≥ 450 msec

• History of or current major medical condition, which in the opinion of the Investigator would place the patient at undue risk.

• Receiving any prescription or over-the-counter medications that could potentially affect appetite or weight

• Any history of a movement disorder such as Tardive Dyskinesia, Parkinsonism

• Any personal or family history of Neuroleptic Malignant Syndrome