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Completed Phase 2 Interventional

ALTO-300 in Depression

ClinicalTrials.gov ID: NCT05118750

Public ClinicalTrials.gov record NCT05118750. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 10, 2026, 12:42 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

An Open-label Study of ALTO-300 in Adults With Major Depressive Disorder

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to collect biologically-based data for defining predictors and correlates of the effects of ALTO-300.

Study identification

NCT ID
NCT05118750
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Alto Neuroscience
Industry
Enrollment
91 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 74 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Dec 12, 2021
Primary completion
May 4, 2023
Completion
May 8, 2023
Last update posted
Apr 29, 2024

2021 – 2023

United States locations

U.S. sites
11
U.S. states
6
U.S. cities
11
Facility City State ZIP Site status
Site 153 Culver City California 90230
Site 103 Sacramento California 95757
Site 158 Santee California 92071
Site 159 Clermont Florida 34711
Site 161 Okeechobee Florida 34972
Site 137 Noblesville Indiana 46060
Site 166 Saint Charles Missouri 63304
Site 132 New York New York 10023
Site 102 Dallas Texas 75235
Site 165 DeSoto Texas 75115
Site 147 Fort Worth Texas 76104

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05118750, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Apr 29, 2024 · Synced Sep 10, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05118750 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →