Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 12, 2026, 12:11 PM EDT

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Showing 1–7 of 7 matching trials from the live ClinicalTrials.gov search.
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Conditions
Depressive Disorder, Major, Anhedonia
Interventions
Aticaprant, Placebo
Drug · Other
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 74 Years
Enrollment
444 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
51
States / cities
Birmingham, Alabama • Lafayette, California • Orange, California + 40 more
Conditions
Schizophrenia
Interventions
Aticaprant, Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
8
States / cities
Garden Grove, California • Atlanta, Georgia • Chicago, Illinois + 5 more
Conditions
Depressive Disorder, Major
Interventions
JNJ-67953964, Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 64 Years
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
28
States / cities
Tucson, Arizona • Little Rock, Arkansas • Glendale, California + 23 more
Conditions
Depressive Disorder, Major, Anhedonia
Interventions
Aticaprant, Placebo
Drug · Other
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 64 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
31
States / cities
Little Rock, Arkansas • Encino, California • Newport Beach, California + 26 more
Conditions
Depressive Disorder, Major, Anhedonia
Interventions
Aticaprant, Placebo
Drug · Other
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 64 Years
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
39
States / cities
Huntsville, Alabama • Phoenix, Arizona • Tucson, Arizona + 33 more
Conditions
Depressive Disorder, Major, Anhedonia
Interventions
Aticaprant, Placebo
Drug · Other
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 74 Years
Enrollment
513 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
46
States / cities
Tucson, Arizona • Anaheim, California • Culver City, California + 37 more
Conditions
Depressive Disorder, Major
Interventions
Aticaprant
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 74 Years
Enrollment
871 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
87
States / cities
Birmingham, Alabama • Tucson, Arizona • Anaheim, California + 70 more