NBI-1117568 for adults hospitalized with schizophrenia

A Global, Phase 3, Multicenter, Randomized, Double-Blind, Placebo-Controlled Study to Assess the Efficacy, Safety, and Tolerability of NBI-1117568 in Adults With Schizophrenia Who Warrant Inpatient Hospitalization

PHASE3 · Neurocrine Biosciences · NCT07105098

This trial will test whether NBI-1117568 helps improve behavioral and psychological symptoms in adults hospitalized for worsening schizophrenia compared with a placebo.

Quick facts

PhasePHASE3
Study typeInterventional
Enrollment284 (estimated)
Ages18 Years to 65 Years
SexAll
SponsorNeurocrine Biosciences (industry)
Locations11 sites (Culver City, California and 10 other locations)
Trial IDNCT07105098 on ClinicalTrials.gov

What this trial studies

This Phase 3, placebo-controlled inpatient trial compares NBI-1117568 with placebo in adults who are experiencing an acute exacerbation of schizophrenia and require hospitalization. Participants must discontinue prohibited antipsychotics before enrollment and remain in a supervised inpatient setting while receiving study medication or placebo. The primary outcome is change in behavioral and psychological symptoms of schizophrenia from baseline compared with placebo, with safety and tolerability monitored throughout the inpatient period.

Who should consider this trial

Good fit: Adults with a primary diagnosis of schizophrenia who are experiencing an acute relapse that warrants inpatient care, are willing to discontinue prohibited antipsychotics, and can remain hospitalized for the study duration are the ideal candidates.

Not a fit: Patients with unstable or poorly controlled medical conditions, recent moderate-to-severe substance use disorder, imminent suicide or violence risk, or known hypersensitivity to the drug are unlikely to benefit from participation.

Why it matters

Potential benefit: If successful, NBI-1117568 could reduce acute behavioral and psychological symptoms and potentially shorten or ease hospital stays for adults with schizophrenia.

How similar studies have performed: Placebo-controlled trials of other antipsychotics have demonstrated symptom improvements in acute schizophrenia, but NBI-1117568's efficacy is still being tested in this Phase 3 program.

Eligibility criteria

Show full inclusion / exclusion criteria
Key Inclusion Criteria:

* Participant has a primary diagnosis of schizophrenia
* Participant is experiencing an acute exacerbation or relapse of symptoms and currently warrants hospitalization.
* Participants taking prohibited medications, including antipsychotics, must discontinue before study participation
* Participant is willing and able to remain in an inpatient setting for the study duration, follow instructions, and comply with the protocol requirements

Key Exclusion Criteria:

* Participant has known hypersensitivity to any component of the formulation of NBI-1117568
* Participant has an unstable or poorly controlled medical condition or chronic disease
* Participant is considered by the investigator to be at imminent risk of suicide or injury to self or others
* Participant has a diagnosis of moderate or severe substance use disorder (with the exception of nicotine or caffeine dependence) within 6 months prior to screening
* Participant has a positive alcohol test or drug screen for disallowed substances
* Participant has a history of poor or suspected poor compliance in clinical research studies and/or in the investigator's opinion, the participant is not capable of adhering to the protocol requirements.

Note: Other protocol-specified inclusion/exclusion criteria may apply.

Where this trial is running

Culver City, California and 10 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Schizophrenia

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.