Completed PHASE3 INTERVENTIONAL 3-arm NCT01149655

Efficacy & Safety Study of Oral Aripiprazole in Adolescents With Schizophrenia (ATTAIN 266)

A Long-Term Multicenter, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Efficacy, Safety, and Tolerability of Aripiprazole (OPC 14597) as Maintenance Treatment in Adolescent Patients With Schizophrenia

Sponsor: Otsuka Pharmaceutical Development & Commercialization, Inc.

Conditions Schizophrenia

Interventions Aripiprazole

Updated 7 times since 2017 Last updated: Apr 1, 2015 Started: Jul 31, 2011 Primary completion: Nov 30, 2013 Completion: Dec 31, 2013

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE3 clinical study on Schizophrenia, this trial is completed. The trial is conducted by Otsuka Pharmaceutical Development & Commercialization, Inc. and has accumulated 7 data snapshots since 2011. Psychiatric clinical trials are essential for establishing evidence-based treatment standards.

Status Flow

Change History

7 versions recorded

Sep 2025 — Present [monthly]

Completed PHASE3
Sep 2024 — Sep 2025 [monthly]

Completed PHASE3
Jul 2024 — Sep 2024 [monthly]

Completed PHASE3
Jan 2021 — Jul 2024 [monthly]

Completed PHASE3
Jun 2018 — Jan 2021 [monthly]

Completed PHASE3

▶ Show 2 earlier versions

Feb 2017 — Jun 2018 [monthly]

Completed PHASE3
Jan 2017 — Feb 2017 [monthly]

Completed PHASE3

First recorded

Jul 2011

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Otsuka Pharmaceutical Development & Commercialization, Inc.

Data source: Otsuka Pharmaceutical Development & Commercialization, Inc.

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

Arkhangelsk, Russia , Atlanta, United States , Aurangabad, India , Bajada, Philippines , Batu Caves, Malaysia , Bloomfield Hills, United States , Bothell, United States , Bucharest, Romania , Chapel Hill, United States , Chennai, India and 40 more locations