Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 26, 2026, 3:07 PM EDT

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

Showing 1–3 of 3 matching trials from the live ClinicalTrials.gov search.
Conditions
Alzheimer's Disease
Interventions
MK-1942, Donepezil, Placebo
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
50 Years to 85 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
4
States / cities
Rogers, Arkansas • Hallandale, Florida • Decatur, Georgia + 1 more
Conditions
Treatment Resistant Depression
Interventions
MK-1942, Placebo
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
45
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Bellflower, California + 40 more
Conditions
Alzheimer's Disease
Interventions
MK-1942, Placebo
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
55 Years to 90 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
22
States / cities
Phoenix, Arizona • Fullerton, California • Sherman Oaks, California + 19 more