Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 10, 2026, 12:51 AM EDT

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
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Conditions
Major Depressive Disorder
Interventions
SP-624, Placebo
Drug
Lead sponsor
Sirtsei Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
497 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
50
States / cities
Phoenix, Arizona • Tucson, Arizona • Bryant, Arkansas + 46 more
Conditions
Major Depressive Disorder
Interventions
SP-624, Placebo
Drug
Lead sponsor
Sirtsei Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
319 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
39
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Rogers, Arkansas + 36 more
Conditions
Major Depressive Disorder, Depression, Healthy
Interventions
SP-624, Placebo
Drug
Lead sponsor
Sirtsei Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
2
States / cities
Garden Grove, California • Lincoln, Nebraska
Conditions
Schizophrenia
Interventions
SP-624, Placebo
Drug
Lead sponsor
Sirtsei Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Garden Grove, California • Marlton, New Jersey