Efficacy of NBI-1117568 in Preventing Relapse in Adults With Schizophrenia

ConditionSchizophrenia
Trial statusRecruiting
Trial phasePhase 3
Trial typeInterventional
Biological sexAll
Age18-65
SponsorNeurocrine Biosciences

About this trial

The main objective of the study is to evaluate NBI-1117568 compared with placebo in delaying relapse of symptoms of schizophrenia in adults who have a stable response after open-label treatment with NBI-1117568.

Eligibility criteria

Qualifiers

Participant has a primary diagnosis of schizophrenia established by a comprehensive psychiatric evaluation based on the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR) criteria.

Participant had the initial diagnosis of schizophrenia ≥1 year before screening.

Participant has had a positive response to ≥1 antipsychotic therapy (other than clozapine) at a therapeutic dose.

Disqualifiers

Participant has an unstable or poorly controlled medical condition or chronic disease (including history of neurological [including dementing illness, myasthenia gravis], hepatic, renal, cardiovascular, gastrointestinal, pulmonary, autoimmune, or endocrine disease that may affect study participation or results) or malignancy within 30 days before Day 1.

Participant has any laboratory abnormalities suggestive of clinically significant, poorly managed, or unmanaged undiagnosed disease.

Participant has a history of clozapine treatment for treatment-resistant psychosis.

Participant has a history of a stay in a psychiatric inpatient facility for ≥30 consecutive days (other than for purely social reasons or due to participation in a different clinical trial) during the 90 days before screening.

Trial design

Treatments tested in this trial

  • NBI-1117568
  • Placebo

Treatment groups

560 Participants
are divided into 2 treatment groups

Sponsors and collaborators