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Completed Phase 3 Interventional Results available

Study to Evaluate the Long-term Safety, Tolerability, and Durability of Treatment Effect of ALKS 3831

ClinicalTrials.gov ID: NCT03201757

Public ClinicalTrials.gov record NCT03201757. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 22, 2026, 3:53 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 3 Study to Assess the Long Term Safety, Tolerability, and Durability of Treatment Effect of ALKS 3831 in Subjects With Schizophrenia, Schizophreniform Disorder, or Bipolar I Disorder

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study will evaluate the long-term safety, tolerability, and durability of treatment effect of ALKS 3831 in subjects with schizophrenia, schizophreniform disorder, or bipolar I disorder

Study identification

NCT ID
NCT03201757
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Alkermes, Inc.
Industry
Enrollment
523 participants

Conditions and interventions

Eligibility (public fields only)

Age range
16 Years to 70 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jun 15, 2017 (Actual)
Primary completion
Sep 6, 2023 (Actual)
Completion
Sep 6, 2023 (Actual)
Last update posted
Sep 26, 2024

2017 – 2023

United States locations

U.S. sites
49
U.S. states
15
U.S. cities
43
Facility City State ZIP Site status
Alkermes Investigational Site Little Rock Arkansas 72211 —
Alkermes Investigational Site Rogers Arkansas 72758 —
Alkermes Investigational Site Anaheim California 92805 —
Alkermes Investigational Site Cerritos California 90703 —
Alkermes Investigational Site Culver City California 90230 —
Alkermes Investigational Site Garden Grove California 92845 —
Alkermes Investigational Site Glendale California 91206 —
Alkermes Investigational Site Long Beach California 90822 —
Alkermes Investigational Site Oakland California 94607 —
Alkermes Investigational Site Oceanside California 92056 —
Alkermes Investigational Site Orange California 92868 —
Alkermes Investigational Site Palo Alto California 94305 —
Alkermes Investigational Site Pico Rivera California 90660 —
Alkermes Investigational Site Redlands California 92374 —
Alkermes Investigational Site San Diego California 92013 —
Alkermes Investigational Site Temecula California 92591 —
Alkermes Investigational Site Torrance California 90502 —
Alkermes Investigational Site Lauderhill Florida 33319 —
Alkermes Investigational Site North Miami Florida 33161 —
Alkermes Investigational Site Atlanta Georgia 30303 —
Alkermes Investigational Site Atlanta Georgia 30329 —
Alkermes Investigational Site Atlanta Georgia 30331 —
Alkermes Investigational Site Augusta Georgia 30912 —
Alkermes Investigational Site Decatur Georgia 30030 —
Alkermes Investigational Site Chicago Illinois 60611 —
Alkermes Investigational Site Chicago Illinois 60640 —
Alkermes Investigational Site Winfield Illinois 60190 —
Alkermes Investigational Site Grand Rapids Michigan 49503 —
Alkermes Investigational Site Flowood Mississippi 39232 —
Alkermes Investigational Site Kansas City Missouri 64108 —
Alkermes Investigational Site St Louis Missouri 63110 —
Alkermes Investigational Site St Louis Missouri 63118 —
Alkermes Investigational Site St Louis Missouri 63128 —
Alkermes Investigational Site St Louis Missouri 63141 —
Alkermes Investigational Site Las Vegas Nevada 89102 —
Alkermes Investigational Site Berlin New Jersey 08009 —
Alkermes Investigational Site Marlton New Jersey 08053 —
Alkermes Investigational Site Brooklyn New York 11235 —
Alkermes Investigational Site Rochester New York 14615 —
Alkermes Investigational Site Canton Ohio 44718 —
Alkermes Investigational Site Cincinnati Ohio 45219 —
Alkermes Investigational Site Dayton Ohio 45417 —
Alkermes Investigational Site Eugene Oregon 97401 —
Alkermes Investigational Site Austin Texas 78759 —
Alkermes Investigational Site DeSoto Texas 75115 —
Alkermes Investigational Site Fort Worth Texas 76104 —
Alkermes Investigational Site Houston Texas 77030 —
Alkermes Investigational Site Richardson Texas 75080 —
Alkermes Investigational Site Bellevue Washington 98007 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 36 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03201757, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Sep 26, 2024 · Synced Oct 22, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03201757 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →