Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 7, 2026, 8:41 PM EDT

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

Showing 1–5 of 5 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Depressive Disorder, Major
Interventions
AGN-241751, Placebo
Drug
Lead sponsor
Syndeio Biosciences, Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
251 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
25
States / cities
Fayetteville, Arkansas • Cerritos, California • Encino, California + 20 more
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetics of Zelquistinel in Fasted or Fed State

NCT07099989
Conditions
Healthy Volunteers in Fed and Fasted State
Interventions
Zelquistinel 3 mg, Zelquistinel 10 mg
Drug
Lead sponsor
Syndeio Biosciences, Inc
Industry
Eligibility
18 Years to 59 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Overland Park, Kansas
Conditions
Major Depressive Disorder
Interventions
Zelquistinel
Drug
Lead sponsor
Syndeio Biosciences, Inc
Industry
Eligibility
18 Years to 64 Years
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
34
States / cities
Birmingham, Alabama • Huntsville, Alabama • Encino, California + 30 more
Conditions
Major Depressive Disorder
Interventions
AGN-241751, Placebo
Drug
Lead sponsor
Syndeio Biosciences, Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
226 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
5
States / cities
Phoenix, Arizona • Garden Grove, California • Atlanta, Georgia + 2 more
Conditions
Major Depressive Disorder
Interventions
Zelquistinel
Drug
Lead sponsor
Syndeio Biosciences, Inc
Industry
Eligibility
18 Years to 64 Years
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
32
States / cities
Phoenix, Arizona • Tucson, Arizona • Montclair, California + 27 more