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A Study of Adjunctive Treatment of Aripiprazole in Schizophrenic Patients

A Multicenter, Comparative, Randomized, Double-Blind, Placebo Controlled Study on the Effect on Weight of Adjunctive Treatment With Aripiprazole in Patients With Schizophrenia.

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00300846
Enrollment
200
Registered
2006-03-10
Start date
2005-12-31
Completion date
2007-07-31
Last updated
2013-11-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Schizophrenia

Brief summary

The purpose of this study is to evaluate the effect on patient weight of adjunctive therapy of aripiprazole with clozapine versus clozapine monotherapy, in schizophrenic patients who are not optimally controlled on clozapine.

Interventions

DRUGaripiprazole

Tablets, Oral, 5 mg, 10 mg, 15 mg, once daily, 16 weeks followed by 12 weeks of Open-Label extension phase (optional).

DRUGPlacebo

Tablets, Oral, 0 mg, once daily, 16 weeks followed by 12 weeks of Open-Label extension phase (optional)

Sponsors

Otsuka America Pharmaceutical
CollaboratorINDUSTRY
Otsuka Pharmaceutical Development & Commercialization, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

* Patients with schizophrenia treated with clozapine (200-900 mg/day), who gained at least 2.5 kg while on clozapine.

Exclusion criteria

* Patients known to be allergic to aripiprazole * Hospitalized patients * Patients who have previously received study medication in an aripiprazole clinical study or who have participated in any clinical trial with an investigational agent within the past month.

Design outcomes

Primary

MeasureTime frame
Evaluate effect on patient weight of adjunctive therapy of aripiprazole with clozapine versus clozapine mono-therapy in schizophrenic patients who are not optimally controlled on clozapine.
The mean change from baseline in patient weight at Week 16 (LOCF) will be compared between the 2 groups.

Secondary

MeasureTime frame
Efficacy (PANSS, CGI)
Effectiveness (IAQ, GAF)
Patient Reported Outcomes
Safety

Countries

Austria, Czechia, Finland, France, Germany, Hungary, Poland, South Africa, Sweden, Switzerland, Turkey (Türkiye), United Kingdom

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026