# A Study of Brexpiprazole in Patients With Major Depressive Disorder

> **NCT03697603** · PHASE2,PHASE3 · COMPLETED · sponsor: **Otsuka Pharmaceutical Co., Ltd.** · enrollment: 740 (actual)

## Conditions studied

- Major Depressive Disorder

## Interventions

- **DRUG:** Brexpiprazole
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT03697603
- **Lead sponsor:** Otsuka Pharmaceutical Co., Ltd.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-07-30
- **Primary completion:** 2022-06-06
- **Final completion:** 2022-07-04
- **Target enrollment:** 740 (ACTUAL)
- **Last updated:** 2024-08-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03697603

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03697603, "A Study of Brexpiprazole in Patients With Major Depressive Disorder". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT03697603. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*