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NCT01235585 · ClinicalTrials.gov registry record · Phase 3

A Study of RO4917838 (Bitopertin) in Patients With Sub-optimally Controlled Symptoms of Schizophrenia (WN25306)

A Phase 3 study, sponsored by Hoffmann-La Roche.

Completed
Registry status
Phase 3
Development phase
597
Enrollment target

NCT01235585: Completed Phase 3 study, sponsored by Hoffmann-La Roche.

NCT01235585 is a Phase 3 study that has completed, run by Hoffmann-La Roche. The registered enrollment target is 597 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (23% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT01235585, a Phase 3 study, has completed, sponsored by Hoffmann-La Roche.

COMPLETED
Registry status
Phase 3
Development phase
597 participants
Enrollment target

Study Summary

This randomized, multi-center, double-blind, parallel-group, placebo-controlled study will evaluate the efficacy and safety of RO4917838 (bitopertin) in patients with sub-optimally controlled symptoms of schizophrenia. Patients, on stable treatment with antipsychotics, will be randomized to receive daily oral doses of RO4917838 or matching placebo for 52 weeks, followed by an optional treatment extension for up to 3 years.

Interventions

  • DRUG Placebo
  • DRUG bitopertin [RO4917838]

Trial Details

FieldValue
Enrollment Target 597 participants
Start Date 2010-12
Est. Completion 2014-09
Phase Phase 3
Hoffmann-La Roche

909 total trials

What the finished NCT01235585 record still lists

NCT01235585 is an interventional study that assigns participants to a tested intervention. The registered 597 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 (23% lower).

The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.

NCT01235585 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01235585 about?

NCT01235585 is a clinical study titled "A Study of RO4917838 (Bitopertin) in Patients With Sub-optimally Controlled Symptoms of Schizophrenia (WN25306)". This randomized, multi-center, double-blind, parallel-group, placebo-controlled study will evaluate the efficacy and safety of RO4917838 (bitopertin) in patients with sub-optimally controlled symptoms of schizophrenia. Patients, on stable treatment with antipsychotics, will be randomized to receive ...

What is the current status of trial NCT01235585?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 597 participants. The study started on 2010-12. Estimated completion is 2014-09.

What interventions are being tested in trial NCT01235585?

The interventions under investigation include: Placebo (DRUG), bitopertin [RO4917838] (DRUG).

Who is sponsoring clinical trial NCT01235585?

This trial is sponsored by Hoffmann-La Roche, which has 909 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01235585's enrollment target sits among peer trials

597 640th of 2000 higher than 1,361 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 NCT01235585, the US trial registry maintained by the National Library of Medicine. NCT01235585 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.