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NCT03201757 · ClinicalTrials.gov registry record · Phase 3

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

A Phase 3 study, sponsored by Alkermes.

Completed
Registry status
Phase 3
Development phase
523
Enrollment target

NCT03201757: Completed Phase 3 study, sponsored by Alkermes.

NCT03201757 is a Phase 3 study that has completed, run by Alkermes. The registered enrollment target is 523 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (32% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03201757, a Phase 3 study, has completed, sponsored by Alkermes.

COMPLETED
Registry status
Phase 3
Development phase
523 participants
Enrollment target

Study Summary

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

Interventions

  • DRUG ALKS 3831

Trial Details

FieldValue
Enrollment Target 523 participants
Start Date 2017-06-15
Est. Completion 2023-09-06
Phase Phase 3
Alkermes

66 total trials

What the finished NCT03201757 record still lists

NCT03201757 is an interventional study that assigns participants to a tested intervention. The registered 523 participants enrollment target is mid-sized for trials with a published cap, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (32% lower).

The record links to 0 conditions, and to 1 intervention - of which ALKS 3831 is the first listed.

NCT03201757 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03201757 about?

NCT03201757 is a clinical study titled "Study to Evaluate the Long-term Safety, Tolerability, and Durability of Treatment Effect of ALKS 3831". 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

What is the current status of trial NCT03201757?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 523 participants. The study started on 2017-06-15. Estimated completion is 2023-09-06.

What interventions are being tested in trial NCT03201757?

The interventions under investigation include: ALKS 3831 (DRUG).

Who is sponsoring clinical trial NCT03201757?

This trial is sponsored by Alkermes, which has 66 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03201757's enrollment target sits among peer trials

523 716th of 2000 higher than 1,285 of 2,000 other Phase 3 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT03201757, the US trial registry maintained by the National Library of Medicine. NCT03201757 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.