Clinical trial Recruiting at 45 sites Phase 2 Interventional Ages 18 to 65

Long-term ML-007C-MA treatment for adults with schizophrenia

Official title: An Open-Label Study to Assess the Long-Term Safety, Tolerability, and Effectiveness of ML-007C-MA in Adult Participants With Schizophrenia

Run by MapLight Therapeutics · NCT07459647 · Data updated 2026-11-12

This 52-week open-label study will try ML-007C-MA as a long-term medication for adults with schizophrenia who finished an earlier ML-007C-MA study or enroll directly.

Quick facts

PhasePhase 2
Study typeInterventional
Ages18 Years to 65 Years
SexAll
Enrollment500 (estimated)
SponsorMapLight Therapeutics
Industry-sponsored
Locations45 sites (Little Rock, Arkansas and 44 other locations)
StatusRecruiting
StartedMarch 31, 2026
Main results expectedFebruary 2030
Study endsFebruary 2030
Registry record updatedOctober 15, 2026
Trial IDNCT07459647 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults with DSM-5 schizophrenia who can provide informed consent, are appropriate for outpatient care, and either completed the prior ML-007C-MA-211 study or can enroll directly with a reliable informant are ideal candidates.

Probably not a fit

People whose current symptoms are primarily due to another recent DSM-5 disorder, who require inpatient care, or who cannot tolerate muscarinic-targeted medications are unlikely to benefit.

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

What this trial studies

This is a 52-week open-label, Phase 2 extension and de novo study testing the long-term safety, tolerability, and effectiveness of ML-007C-MA in adults with DSM-5 schizophrenia. Participants either roll over from the antecedent ML-007C-MA-211 study or join a de novo cohort and receive ML-007C-MA with regular clinic visits for monitoring and outcome assessments. Key enrollment requirements include the ability to consent, outpatient stability, and availability of a reliable informant, while recent non-schizophrenia psychiatric disorders are excluded. As an open-label design there is no placebo control and data will focus on adverse events, symptom measures, and functional indicators over one year.

Why it matters

Potential benefit: If successful, ML-007C-MA could offer a new long-term treatment option with sustained symptom control and acceptable tolerability for some people with schizophrenia.

How similar studies have gone: Muscarinic-targeted approaches are relatively novel; early-phase studies of related agents have shown some promise for psychosis symptoms but larger, confirmatory trials remain limited.

Who can join: the full rules

Show full inclusion / exclusion criteria
Key Inclusion Criteria:

1. Must be able and willing to provide informed consent for all required study procedures.
2. Has a primary diagnosis of schizophrenia based on the DSM-5 criteria that is confirmed by semi-structured clinical interview (Mini International Neuropsychiatric Interview for DSM-5).
3. May benefit from long-term pharmacotherapy for schizophrenia, based on assessment of the investigator.
4. Is appropriate for an outpatient level of care and resides in a stable living situation, based on assessment of the investigator.
5. Has an identified reliable informant(s) available to participate in relevant assessments. Site staff may serve as the informant if the site has had regular contact with the participant for \>1 year.

Key Exclusion Criteria:

1. Has any DSM-5 disorder, other than schizophrenia, within the 12 months before Screening that is primarily responsible for the current symptoms or functional impairment.
2. Is discontinuing effective and well-tolerated antipsychotic therapy for the purpose of enrolling in this study.
3. Has received any prohibited therapy within the Screening Period unless discontinued before Baseline.
4. Has current evidence of a clinically significant and/or unstable medical comorbidity at Screening or Baseline.
5. Has clinically significant abnormal physical examination, ECG, or clinical safety laboratory result at Screening or Baseline.
6. Has an elevated risk of suicidal behavior.
7. Has a known allergy to ML-007C-MA, its active ingredients or their excipients.
8. Has a DSM-5 diagnosis of moderate to severe substance use disorder (except tobacco or caffeine use disorder) within the 12 months before Screening (confirmed using MINI version 7.0.2 at Screening).
9. Has an elevated risk of violent or destructive behavior, based on participant history and investigator judgment.

Where it's running

  • Clinical Site
    Little Rock, Arkansas, United States
    Recruiting
  • Clinical Site
    Little Rock, Arkansas, United States
    Recruiting
  • Clinical Site
    Rogers, Arkansas, United States
    Recruiting
  • Clinical Site
    Bellflower, California, United States
    Recruiting
  • Clinical Site
    Cerritos, California, United States
    Recruiting
  • Clinical Site
    Culver City, California, United States
    Recruiting
Show 39 more locations
  • Clinical Site
    Garden Grove, California, United States
    Recruiting
  • Clinical Site
    Lemon Grove, California, United States
    Recruiting
  • Clinical Site
    Long Beach, California, United States
    Recruiting
  • Clinical Site
    Los Angeles, California, United States
    Recruiting
  • Clinical Site
    Montclair, California, United States
    Recruiting
  • Clinical Site
    Oceanside, California, United States
    Recruiting
  • Clinical Site
    Orange, California, United States
    Recruiting
  • Clinical Site
    Pico Rivera, California, United States
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  • Clinical Site
    Riverside, California, United States
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  • Clinical Site
    San Diego, California, United States
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  • Clinical Site
    Sherman Oaks, California, United States
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  • Clinical Site
    Torrance, California, United States
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  • Clinical Site
    Hollywood, Florida, United States
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  • Clinical Site
    Hollywood, Florida, United States
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  • Clinical Site
    Miami, Florida, United States
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  • Clinical Site
    Miami, Florida, United States
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  • Clinical Site
    Miami Lakes, Florida, United States
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  • Clinical Site
    West Palm Beach, Florida, United States
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  • Clinical Site
    Atlanta, Georgia, United States
    Recruiting
  • Clinical Site
    Decatur, Georgia, United States
    Recruiting
  • Clinical Site
    Chicago, Illinois, United States
    Recruiting
  • Clinical Site
    Gaithersburg, Maryland, United States
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  • Clinical Site
    Boston, Massachusetts, United States
    Recruiting
  • Clinical Site
    Watertown, Massachusetts, United States
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  • Clinical Site
    Ann Arbor, Michigan, United States
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  • Clinical Site
    Flowood, Mississippi, United States
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  • Clinical Site
    Las Vegas, Nevada, United States
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  • Clinical Site
    Marlton, New Jersey, United States
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  • Clinical Site
    Cedarhurst, New York, United States
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  • Clinical Site
    New York, New York, United States
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  • Clinical Site
    Staten Island, New York, United States
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  • Clinical Site
    The Bronx, New York, United States
    Recruiting
  • Clinical Site
    North Canton, Ohio, United States
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  • Clinical Site
    West Chester, Ohio, United States
    Recruiting
  • Clinical Site
    Philadelphia, Pennsylvania, United States
    Recruiting
  • Clinical Site
    Austin, Texas, United States
    Recruiting
  • Clinical Site
    DeSoto, Texas, United States
    Recruiting
  • Clinical Site
    Houston, Texas, United States
    Recruiting
  • Clinical Site
    Richardson, 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.