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A Study Evaluating the Efficacy of Xanomeline/Trospium (XT) on Cognitive Impairment After 24 and 52 Weeks of Treatment in Adult Participants With Schizophrenia

NCT07084831 · Status: NOT_YET_RECRUITING · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 171

Last updated 2026-05-13

No results posted yet for this study

Summary

Schizophrenia is a long-lasting and serious mental health disorder that affects about 1% of people worldwide. It can cause symptoms such as hallucinations and delusions (called positive symptoms), confused or disorganized thinking, reduced motivation and emotional expression (negative symptoms), difficulties with memory and concentration (cognitive symptoms), and movement problems like restlessness or slowed activity. Current treatments, called antipsychotics, mainly work by blocking dopamine in the brain. These medicines are helpful for hallucinations and delusions, but they do little to improve negative or cognitive symptoms.

A new medicine, Xanomeline/Trospium (XT), works differently. It targets a brain system called the muscarinic acetylcholine receptors while limiting side effects elsewhere in the body. Clinical trials have shown that XT reduces psychotic symptoms effectively and is generally well tolerated. The FDA approved XT in 2024 for adults with schizophrenia. Importantly, early results also suggest that XT may help improve thinking and memory (cognition domains), though this has not yet been studied in depth.

Most schizophrenia drug studies pay little attention to long-term changes in cognition, often using only short screening tests. This study will be the first to take a deep look at cognitive function over a full year of XT treatment. It will also examine how changes in thinking skills connect with other aspects of life, such as symptom control, daily functioning, and quality of life. By making cognition a central outcome, the study responds to an urgent need in schizophrenia research: moving beyond just controlling hallucinations and delusions toward improving real-world recovery. The results could help shape future treatment strategies and support the idea that cognition should be a core treatment target in schizophrenia.

Conditions

Interventions

DRUG

Xanomeline/trospium

Participants will receive oral xanomeline/trospium during the trial (target dose 125/30 BID).

Sponsors & Collaborators

  • Bristol-Myers Squibb

    collaborator INDUSTRY

  • University Medical Center Groningen

    collaborator OTHER

  • European Group for Research In Schizophrenia

    lead OTHER

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Max Age
55 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2027-01-01
Primary Completion
2029-01-01
Completion
2029-07-01

Countries

  • Austria
  • Belgium
  • Czechia
  • Denmark
  • Germany
  • Hungary
  • Israel
  • Italy
  • Netherlands
  • Spain

Study Locations

More Related Trials

Entities

Diseases
Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07084831 on ClinicalTrials.gov