Clinical trial Recruiting at 13 sites Phase 2 Interventional Ages 21 to 55

Evaluating ALTO-101 for cognitive impairment in schizophrenia

Official title: Double-Blind, Placebo-Controlled Study of ALTO-101 in Patients With Schizophrenia and Cognitive Impairment

Run by Alto Neuroscience · NCT06502964 · Data updated 2026-11-12

This study is testing a new skin patch called ALTO-101 to see if it can help improve thinking skills in people with schizophrenia.

Quick facts

PhasePhase 2
Study typeInterventional
Ages21 Years to 55 Years
SexAll
Enrollment82 (estimated)
SponsorAlto Neuroscience
Industry-sponsored
Locations14 sites (Garden Grove, California and 13 other locations)
StatusRecruiting
StartedJune 11, 2024
Main results expectedFebruary 2026
Study endsMarch 2026
Registry record updatedDecember 26, 2025
Trial IDNCT06502964 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include individuals diagnosed with schizophrenia for at least one year who also experience cognitive impairment.

Probably not a fit

Patients with unstable medical conditions, acute psychiatric episodes, or other specified psychiatric disorders 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 Phase 2 clinical trial is designed to assess the efficacy of ALTO-101, a transdermal delivery system, in improving cognitive processing in patients with schizophrenia. The study employs a double-blind, placebo-controlled, two-way crossover design to compare changes in electroencephalogram (EEG) markers and cognitive measures between the treatment and placebo groups. Additionally, it aims to evaluate the pharmacokinetics, safety, and tolerability of the ALTO-101 formulation in this patient population.

Why it matters

Potential benefit: If successful, this treatment could enhance cognitive function in patients with schizophrenia, potentially improving their overall quality of life.

How similar studies have gone: While there have been studies on cognitive treatments in schizophrenia, the specific approach of using ALTO-101 in this manner is relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Schizophrenia diagnosis for at least one year
* Cognitive impairment
* Stable doses of 1-2 antipsychotic medication(s) for at least 8 weeks at Visit 2
* Positive and Negative Syndrome Scale (PANSS) score: items P1, P3-P6 ≤ 5 and item P2 and P7 ≤ 4 during screening
* Have a body mass index (BMI) ≥ 18.0 and ≤ 37.0 kg/m2 (inclusive)
* Willing to comply with all study assessments and procedures

Exclusion Criteria:

* Evidence of unstable medical condition
* Acute psychiatric decompensation or severity of symptoms requiring psychiatric hospitalization in past 6 months
* Diagnosis of schizoaffective or bipolar affective disorder, dementia, or intellectual disability
* Current episode of major depressive disorder (MDD)
* Use of mood stabilizer, clozapine, and/or daily benzodiazepine
* Current moderate or severe substance use disorder

Where it's running

  • Site 5038
    Garden Grove, California, United States
    Recruiting
  • Site 5063
    Los Angeles, California, United States
    Recruiting
  • Site 5106
    Orange, California, United States
    Recruiting
  • Site 5035
    Walnut Creek, California, United States
    Recruiting
  • Site 5060
    Hollywood, Florida, United States
    Recruiting
  • Site 5015
    Tampa, Florida, United States
    Recruiting
Show 8 more locations
  • Site 5064
    Snellville, Georgia, United States
    Recruiting
  • Site 5056
    Chicago, Illinois, United States
    Recruiting
  • Site 5062
    Gaithersburg, Maryland, United States
    Recruiting
  • Site 5124
    Belmont, Massachusetts, United States
    Recruiting
  • Site 5108
    New York, New York, United States
    Recruiting
  • Site 5077
    New York, New York, United States
    Recruiting
  • Site 5126
    White Plains, New York, United States
    Recruiting
  • Site 5109
    New York, New York, United States
    Withdrawn

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.