Clinical trial Recruiting at 15 sites Phase1; Phase2 Interventional Ages 17 to 30

Biomarker changes after MT1988 dosing in young people at high risk for psychosis

Official title: A Study to Explore Changes in Cognitive, Clinical, Biological and Digital Measures Following 8 Weeks of Twice-daily Dosing of MT1988 and to Evaluate Safety & Tolerability of MT1988, in Participants at Clinical High Risk (CHR) for Psychosis

Run by Monument Therapeutics Limited · NCT07226895 · Data updated 2026-11-12

This will test whether two doses of MT1988 taken twice daily for 8 weeks change biomarker tests in 17–30-year-olds at high risk for psychosis compared with placebo.

More Clinical High Risk for Psychosis (CHR) trials

Quick facts

PhasePhase1; Phase2
Study typeInterventional
Ages17 Years to 30 Years
SexAll
Enrollment150 (estimated)
SponsorMonument Therapeutics Limited
Industry-sponsored
Locations15 sites (Irvine, California and 14 other locations)
StatusRecruiting
StartedMarch 3, 2026
Main results expectedSeptember 2027
Study endsOctober 2027
Registry record updatedJune 8, 2026
Trial IDNCT07226895 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are 17–30-year-olds who meet criteria for Clinical High Risk for Psychosis, can give informed consent, are not pregnant or nursing if female of childbearing potential, and can attend regular clinic visits.

Probably not a fit

People with a current or past diagnosis of schizophrenia or another established psychotic disorder, significant medical problems, or on medications that interfere with the study are unlikely to benefit from this trial.

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

What this trial studies

Participants aged 17–30 who meet criteria for Clinical High Risk for Psychosis will be assigned to low-dose MT1988, high-dose MT1988, or placebo and will take the study medication twice daily for 8 weeks. The trial will collect a variety of laboratory and clinical biomarker measures at baseline and during regular clinic visits every two weeks to track change over time. Results from the two active dose groups will be compared with placebo to see which tests change in response to MT1988. The goal is to identify reliable biomarkers that can be used in later trials to measure treatment effects in people at high risk for psychosis.

Why it matters

Potential benefit: If successful, the trial could identify biomarkers that show drug effects and help speed development of treatments that prevent or reduce psychosis.

How similar studies have gone: Using biomarker changes to guide early-phase psychosis treatment development is an established approach, though MT1988 itself is a novel compound with limited prior clinical data.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Aged 17 to 30 years at time of consent.
* Capacity to provide informed consent. (For patients under 17 years, participants must assent and informed consent provided by one parent or legal guardian).
* Meet diagnostic criteria for Clinical High Risk of Psychosis (CHR).
* For females of reproductive potential - not pregnant or nursing and willing to comply with contraceptive requirements.

Exclusion Criteria:

* Clinically significant medical disorder or laboratory test abnormality at Day 1.
* History of or current condition which may prevent participant from complying with study procedures.
* Past or current schizophrenia, other disorder with symptoms of psychosis, major cognitive disorder resulting from traumatic brain injury.
* Received antipsychotic medication equivalent to a total lifetime haloperidol dose \>50 mg.
* Current use of medications which could interfere with the study endpoints - to be assessed by the Investigator at screening.
* Unable to abstain from nicotine (e.g. cigarettes, vape) for two hours before cognitive testing.
* Unable to abstain from marijuana use on test day prior to test completion.
* History of suicide attempt or behavior in previous 12 months, or risk of suicidal behavior during the study.

Where it's running

  • University of California, Irvine
    Irvine, California, United States
    Recruiting
  • University of California
    Los Angeles, California, United States
    Recruiting
  • University of California, San Francisco
    San Francisco, California, United States
    Recruiting
  • Yale University Conneticut Mental Health Center
    New Haven, Connecticut, United States
    Recruiting
  • Beth Israel Deaconess Medical Center
    Boston, Massachusetts, United States
    Recruiting
  • Washington University
    St Louis, Missouri, United States
    Recruiting
Show 9 more locations
  • Northwell Health
    Glen Oaks, New York, United States
    Recruiting
  • Columbia University
    New York, New York, United States
    Recruiting
  • Icahan School of Medicine at Mount Sinai
    New York, New York, United States
    Recruiting
  • University of North Carolina at Chapel Hill
    Chapel Hill, North Carolina, United States
    Recruiting
  • Ohio State University
    Columbus, Ohio, United States
    Recruiting
  • Prevention Science Institute
    Eugene, Oregon, United States
    Recruiting
  • University of Pennsylvania
    Philadelphia, Pennsylvania, United States
    Recruiting
  • Temple University
    Philadelphia, Pennsylvania, United States
    Recruiting
  • University of Pittsburgh School of Medicine
    Pittsburgh, Pennsylvania, 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.