# Study of the Safety and Efficacy of OPC-34712 as Adjunctive Therapy in the Treatment of Adults With Major Depressive Disorder

> **NCT01052077** · PHASE2 · COMPLETED · sponsor: **Otsuka Pharmaceutical Development & Commercialization, Inc.** · enrollment: 773 (actual)

## Conditions studied

- Major Depressive Disorder

## Interventions

- **DRUG:** OPC-34712
- **DRUG:** Placebo
- **DRUG:** ADT

## Key facts

- **NCT ID:** NCT01052077
- **Lead sponsor:** Otsuka Pharmaceutical Development & Commercialization, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2010-03
- **Primary completion:** 2011-10
- **Final completion:** 2011-11
- **Target enrollment:** 773 (ACTUAL)
- **Last updated:** 2015-11-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01052077

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01052077, "Study of the Safety and Efficacy of OPC-34712 as Adjunctive Therapy in the Treatment of Adults With Major Depressive Disorder". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT01052077. Licensed CC0.

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