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9 Week Extension Study of Asenapine and Olanzapine in Treatment of Mania (P07007)(COMPLETED)

Information source: Merck Sharp & Dohme Corp.
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Bipolar Disorder

Intervention: Asenapine (Drug); Olanzapine (Drug)

Phase: Phase 3

Status: Completed

Sponsored by: Merck Sharp & Dohme Corp.

Summary

Bipolar disorder is characterized by mood swings that range from high (manic) to low (depressed) states. Sometimes, symptoms of both depression and mania are present (mixed episodes). Asenapine is an investigational medication for the treatment of manic or mixed episodes of bipolar disorder. Patients who completed the 3 week trial (A7601004 or A7501005) continued on the same treatment that they received in the short term study: asenapine or olanzapine (a medication already approved for the treatment of bipolar mania) for 9 additional weeks. The short term studies (A7501004 and A7501005) were not unblinded until the 9 week extension study was unblinded. Patients treated with placebo in the 3 week short term study were crossed over and treated with Asenapine in the 9 week extension study. Patients who complete the 9 week extension study were eligible to continue in another extension (A7501007) study for an additional 40 weeks.

Clinical Details

Official title: A Double-Blind, 9-Week Extension Study Evaluating the Safety and Maintenance of Effect of Asenapine vs. Olanzapine in the Treatment of Subjects With Acute Mania Clinical Trial Protocol A7501006 (Secondary Title: ARES)

Study design: Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment

Primary outcome: Maintenance of the effect (Asenapine comparable to olanzapine in terms of the reduction of symptoms achieved in the short term (ie. 3 week studies [A7501004 or A7501005]) as measured on the Young Mania Rating Scale

Secondary outcome:

Changes on the Clinical Global Impression Scale in which Mania, Depression and Overall Status were assessed.

Improvement in symptoms of depression (measured by the Montgomery Asberg Rating Scale of Depression - the MADRS), psychoses (Positive and Negative Symptoms Scale -- the PANSS) and suicidality (ISST-- The InsterSept Suicidality Scale)

Changes in the Quality of Life and the TSQM and changes in Readiness to Discharge Questionaire [RDQ]. The investigator's judgment was the basis for a decision to discharge the subject from the hospital.

Physical exams and electrocardiograms findings; changes in vital signs, weight and abdominal girth and hematology and urinalysis.

Cognition -- the cognitive battery was the same battery that the subject had in the short term study in which they participated -- CNS Vital Signs for A7501005 and Cogstate for A7501004.

Extrapyramidal symptoms were assessed using the AIMS (Involuntary Movement Scale); the BARS (Barnes Akathisia Rating Scale) and the SARS (Simpson Angus Rating Scale).

Adverse events and concomitant medications were recorded

Eligibility

Minimum age: 18 Years. Maximum age: N/A. Gender(s): Both.

Criteria:

Inclusion Criteria:

- Have completed an asenapine 3-week study for the treatment of an acute manic or mixed

episode and not had a major protocol violation. in the short term study (A7501004 or A7501005) that they completed. Exclusion Criteria:

- Patients with unstable medical conditions or clinically significant laboratory

abnormalities.

Locations and Contacts

Additional Information

Starting date: January 2005
Last updated: May 15, 2015

Page last updated: August 23, 2015

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