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Placebo-Controlled, Double-Blind, Parallel Group-Comparison Study of Aripiprazole as an Adjunctive Therapy in Patients with Major Depressive Disorder

Placebo-Controlled, Double-Blind, Parallel Group-Comparison Study of Aripiprazole as an Adjunctive Therapy in Patients with Major Depressive Disorder

Status
Unknown
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080220698
Enrollment
540
Registered
2009-03-23
Start date
2009-03-23
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Major Depressive Disorder

Interventions

Sponsors

Otsuka Pharmaceutical Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Patients who are either inpatients or outpatients 2) Patients who have the ability to understand and to provide informed consent to the examination, observation, and evaluation processes specified in this protocol, and have signed the informed consent form based on a full understanding of the trial 3) Patients diagnosed as having either "296.2x Major Depressive Disorder, Single Episode" or "296.3x Major Depressive Disorder, Recurrent" according to DSM-IV-TR, and for whom the current episode of major depressive disorder has been ongoing for more than 8 weeks 4) Patients with a HAM-D17 total score of 18 or more

Exclusion criteria

Exclusion criteria: 1) Female patients of child bearing potential who wish to become pregnant during the treatment period, or within 4 weeks after study completion/discontinuation 2) Female patients who are pregnant, possibly pregnant, or breast feeding 3) Patients judged to be unable to tolerate any type of antidpressant treatment (including drugs not being used in the current episode of major depressive disorder), based on treatment history to date 4) Patients who have previously received electro-convulsive therapy 5) Patients who have participated in clinical studies on medical devices or other drugs within the past month 6) Patients at risk of having serious adverse events or developing symptoms that could interfere with safety and efficacy evaluations (such as symptoms of fibromyalgia syndrome overlapping with symptoms of depression), based on previous medical history 7) Patients with a history or a complication of diabetes 8) Patients with thyroid disease (excluding patients who are stabilized on drug therapy for at least 3 months) 9) Patients with a history of serotonin syndrome or psychotropic neuroleptic malignant syndrome 10)Patients with a history of seizure disorder (epilepsy etc.)

Design outcomes

Primary

MeasureTime frame
Mean change in MADRS total score after completion of administration

Secondary

MeasureTime frame
MADRS response rate weekly Mean change in SDISS after completion of administration

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026