Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 5, 2026, 8:23 PM EDT

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Showing 1–7 of 7 matching trials from the live ClinicalTrials.gov search.
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Conditions
Alzheimer Disease, Parkinson Disease
Interventions
Posiphen, Placebo
Drug
Lead sponsor
Annovis Bio Inc.
Industry
Eligibility
45 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
13
States / cities
Stamford, Connecticut • DeLand, Florida • Hallandale, Florida + 9 more
Conditions
Parkinson's Disease, Idiopathic
Interventions
buntanetap/posiphen, Placebo
Drug
Lead sponsor
Annovis Bio Inc.
Industry
Eligibility
40 Years to 85 Years
Enrollment
523 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
43
States / cities
Birmingham, Alabama • Sun City, Arizona • Fountain Valley, California + 35 more
Conditions
Alzheimer's Disease, Amnestic Mild Cognitive Impairment
Interventions
Posiphen® tartrate capsules
Drug
Lead sponsor
Annovis Bio Inc.
Industry
Eligibility
55 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Alzheimer Disease
Interventions
Buntanetap/Posiphen, Placebo
Drug
Lead sponsor
Annovis Bio Inc.
Industry
Eligibility
55 Years to 85 Years
Enrollment
351 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
54
States / cities
Gilbert, Arizona • Phoenix, Arizona • Fort Smith, Arkansas + 42 more
Conditions
Parkinson's Disease (PD), Deep Brain Stimulation
Interventions
buntanetap/posiphen
Drug
Lead sponsor
Annovis Bio Inc.
Industry
Eligibility
40 Years to 85 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
27
States / cities
Birmingham, Alabama • Sun City, Arizona • Fountain Valley, California + 24 more
Conditions
Alzheimer's Disease
Interventions
Posiphen, Placebo
Drug
Lead sponsor
Annovis Bio Inc.
Industry
Eligibility
55 Years to 89 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
6
States / cities
La Jolla, California • Indianapolis, Indiana • Baltimore, Maryland + 3 more
Conditions
Early Alzheimers Disease
Interventions
buntanetap/posiphen, Placebo
Drug
Lead sponsor
Annovis Bio Inc.
Industry
Eligibility
55 Years to 85 Years
Enrollment
760 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
78
States / cities
Chandler, Arizona • Phoenix, Arizona • Scottsdale, Arizona + 72 more