Clinical trial Recruiting at 21 sites Phase 3 Interventional Ages 18 to 65

Evaluating NBI-1117568 for treating schizophrenia in hospitalized adults

Official title: A 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

Run by Neurocrine Biosciences · NCT06963034 · Data updated 2026-11-12

This study is testing a new medication called NBI-1117568 to see if it can help improve symptoms of schizophrenia in adults who are currently hospitalized.

More Schizophrenia trials

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years to 65 Years
SexAll
Enrollment284 (estimated)
SponsorNeurocrine Biosciences
Industry-sponsored
Locations21 sites (Bryant, Arkansas and 20 other locations)
StatusRecruiting
StartedMay 8, 2025
Main results expectedOctober 2027
Study endsOctober 2027
Registry record updatedMarch 6, 2026
Trial IDNCT06963034 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are adults with a primary diagnosis of schizophrenia who are experiencing an acute exacerbation of symptoms requiring hospitalization.

Probably not a fit

Patients with unstable medical conditions, severe substance use disorders, or those at imminent risk of self-harm may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial aims to assess the efficacy of NBI-1117568 compared to a placebo in improving the behavioral and psychological symptoms of schizophrenia in adults who are currently hospitalized due to an acute exacerbation or relapse of their condition. Participants must be willing to stay in an inpatient setting for the duration of the study and comply with all protocol requirements. The study will involve monitoring the effects of the medication on symptoms and overall mental health during the treatment period.

Why it matters

Potential benefit: If successful, this treatment could significantly improve the management of schizophrenia symptoms in hospitalized patients.

How similar studies have gone: While this approach is being evaluated in this specific context, similar studies have shown promise in treating schizophrenia with novel interventions.

Who can join: the full rules

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
* Participants have 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 it's running

  • Neurocrine Clinical Site
    Bryant, Arkansas, United States
    Recruiting
  • Neurocrine Clinical Site
    Little Rock, Arkansas, United States
    Recruiting
  • Neurocrine Clinical Site
    Anaheim, California, United States
    Recruiting
  • Neurocrine Clinical Site
    Pico Rivera, California, United States
    Recruiting
  • Neurocrine Clinical Site
    San Diego, California, United States
    Recruiting
  • Neurocrine Clinical Site
    Sherman Oaks, California, United States
    Recruiting
Show 15 more locations
  • Neurocrine Clinical Site
    Torrance, California, United States
    Recruiting
  • Neurocrine Clinical Site
    Hollywood, Florida, United States
    Recruiting
  • Neurocrine Clinical Site
    Miami Lakes, Florida, United States
    Recruiting
  • Neurocrine Clinical Site
    Atlanta, Georgia, United States
    Recruiting
  • Neurocrine Clinical Site
    Decatur, Georgia, United States
    Recruiting
  • Neurocrine Clinical Site
    Snellville, Georgia, United States
    Recruiting
  • Neurocrine Clinical Site
    Chicago, Illinois, United States
    Recruiting
  • Neurocrine Clinical Site
    Gaithersburg, Maryland, United States
    Recruiting
  • Neurocrine Clinical Site
    Watertown, Massachusetts, United States
    Recruiting
  • Neurocrine Clinical Site
    Marlton, New Jersey, United States
    Recruiting
  • Neurocrine Clinical Site
    Staten Island, New York, United States
    Recruiting
  • Neurocrine Clinical Site
    The Bronx, New York, United States
    Recruiting
  • Neurocrine Clinical Site
    Austin, Texas, United States
    Recruiting
  • Neurocrine Clinical Site
    DeSoto, Texas, United States
    Recruiting
  • Neurocrine Clinical Site
    Houston, Texas, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.