- Conditions
- Schizophrenia, Cognitive Impairment
- Interventions
- ALTO-101, ALTO-101 Transdermal Delivery System, Placebo, Placebo Transdermal Delivery System
- Drug · Device
- Lead sponsor
- Alto Neuroscience
- Industry
- Eligibility
- 21 Years to 55 Years
- Enrollment
- 82 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2026
- U.S. locations
- 14
- States / cities
- Garden Grove, California • Los Angeles, California • Orange, California + 9 more
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–10
of 10
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Treatment-resistant Depression (TRD)
- Interventions
- ALTO-207, Placebo
- Drug
- Lead sponsor
- Alto Neuroscience
- Industry
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 178 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 38
- States / cities
- Birmingham, Alabama • Dothan, Alabama • Phoenix, Arizona + 34 more
- Conditions
- Major Depressive Disorder, Anhedonia
- Interventions
- ALTO-203 25 μg, ALTO-203 75 μg, Placebo
- Drug
- Lead sponsor
- Alto Neuroscience
- Industry
- Eligibility
- 25 Years to 64 Years
- Enrollment
- 69 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2025
- U.S. locations
- 15
- States / cities
- Tucson, Arizona • Oceanside, California • Torrance, California + 12 more
- Conditions
- Major Depressive Disorder
- Interventions
- ALTO-300 oral (PO) tablet
- Drug
- Lead sponsor
- Alto Neuroscience
- Industry
- Eligibility
- 18 Years to 74 Years
- Enrollment
- 91 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2023
- U.S. locations
- 11
- States / cities
- Culver City, California • Sacramento, California • Santee, California + 8 more
- Conditions
- Major Depressive Disorder
- Interventions
- ALTO-100 PO Tablet
- Drug
- Lead sponsor
- Alto Neuroscience
- Industry
- Eligibility
- 18 Years to 64 Years
- Enrollment
- 21 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 2
- States / cities
- Coral Gables, Florida • Jackson, Mississippi
- Conditions
- Major Depressive Disorder
- Interventions
- ALTO-100, Placebo
- Drug
- Lead sponsor
- Alto Neuroscience
- Industry
- Eligibility
- 18 Years to 64 Years
- Enrollment
- 301 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2024
- U.S. locations
- 34
- States / cities
- Birmingham, Alabama • Huntsville, Alabama • Chandler, Arizona + 26 more
- Conditions
- Major Depressive Disorder
- Interventions
- ALTO-300 PO Tablet
- Drug
- Lead sponsor
- Alto Neuroscience
- Industry
- Eligibility
- 18 Years to 74 Years
- Enrollment
- 148 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 4
- States / cities
- Atlanta, Georgia • Jackson, Mississippi • New York, New York + 1 more
- Conditions
- Bipolar Disorder I or II With a Major Depressive Episode
- Interventions
- ALTO-100, Placebo
- Drug
- Lead sponsor
- Alto Neuroscience
- Industry
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2026
- U.S. locations
- 27
- States / cities
- Chandler, Arizona • Phoenix, Arizona • Yuma, Arizona + 22 more
- Conditions
- Major Depressive Disorder
- Interventions
- ALTO-300, Placebo
- Drug
- Lead sponsor
- Alto Neuroscience
- Industry
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 321 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2026
- U.S. locations
- 45
- States / cities
- Phoenix, Arizona • Yuma, Arizona • Rogers, Arkansas + 40 more
- Conditions
- Major Depressive Disorder, Post Traumatic Stress Disorder
- Interventions
- ALTO-100 PO tablet
- Drug
- Lead sponsor
- Alto Neuroscience
- Industry
- Eligibility
- 18 Years to 69 Years
- Enrollment
- 245 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 23
- States / cities
- Tempe, Arizona • Little Rock, Arkansas • Costa Mesa, California + 18 more