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Completed Phase 3 Interventional Results available

A Double-blind Study to Investigate Efficacy and Safety of Buntanetap Compared With Placebo in Participants With Early PD

ClinicalTrials.gov ID: NCT05357989

Public ClinicalTrials.gov record NCT05357989. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 3, 2026, 8:13 PM EDT

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

Official title

A 6-month Prospective, Randomized, Double-blind, Placebo-controlled Clinical Trial Investigating the Efficacy, Safety, and Tolerability of Two Different Doses of Buntanetap or Placebo in Patients With Early Parkinson's Disease

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to measure safety and efficacy of buntanetap/posiphen capsules compared with placebo capsules in participants with early PD. Study details include: * The study duration will be up to 7-8 months. * The double-blind treatment duration will be up to 6 months. * There will be 5 in-clinic visits and 7 phone calls

Study identification

NCT ID
NCT05357989
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Annovis Bio Inc.
Industry
Enrollment
523 participants

Conditions and interventions

Eligibility (public fields only)

Age range
40 Years to 85 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Aug 2, 2022
Primary completion
Dec 3, 2023
Completion
Dec 3, 2023
Last update posted
Mar 2, 2025

2022 – 2023

United States locations

U.S. sites
43
U.S. states
22
U.S. cities
38
Facility City State ZIP Site status
University of Alabama at Birmingham (UAB)- The Kirklin Clinic Birmingham Alabama 35233-2110
Banner Sun Health Research Institute - Cleo Roberts Center for Clinical Research Sun City Arizona 85351-3020
Parkinson's & Movement Disorder Institue (PMDI) - Orange County Office Fountain Valley California 92708
UCSF Medical Center - Parkinson's Disease and Movement Disorders Clinic San Francisco California 94143-2202
Rocky Mountain Movement Disorder Center Englewood Colorado 80113
Ki Health Partners LLC D/B/A New England Institute for Clinical Research Stamford Connecticut 06824
Visionary Investigators Network Aventura Florida 33180
Parkinson's Disease and Movement Disorders Center of Boca Raton Boca Raton Florida 33486-2359
The Neurology Institute - Coral Springs Coral Springs Florida 33067-4640
Arrow Clinical trial Daytona Beach Florida 32114
Accel Research Sites - DeLand Clinical Research Unit DeLand Florida 32720
Coral Clinic Reserach LLC Homestead Florida 33032
Homestead Associates in Research, Inc Miami Florida 33032
Visionary Investigators Networks Miami Florida 33133
Medical Professional Clinical Research Center, INC Miami Florida 33165
Reliant Medical Research Miami Florida 33165
Ezy Medical Research Co. Miami Florida 33175
Visionary Investigators Network Miami Florida 33176
Renstar Medical Research Ocala Florida 34470
Visionary Investigators Network Pembroke Pines Florida 33026
Parkinsons Disease Treatment Center Port Charlotte Florida 33952-6705
University of South Florida (USF) - University of South Florida College of Medicine- Parkinson's Disease and Movement Disorders Center Tampa Florida 33613-4808
ClinCloud, LLC Viera Florida 32940
Conquest Research, LLC Winter Park Florida 32789
CenExel iResearch, LLC Decatur Georgia 30030
Hawaii Pacific Neuroscience, LLC Honolulu Hawaii 96817
Josephson Wallack Munshower Neurology, P.C. Indianapolis Indiana 46256
University of Kansas Medical Center Kansas City Kansas 66160
Michigan State University (MSU)- Health Team- Neurology and Ophthalmology Clinic East Lansing Michigan 48824-7037
Quest Research Institue Farmington Hills Michigan 48334
Parkinson's Disease and Movement Disorders Center of Long Island Commack New York 11725-3400
Mount Sinai West (Mount Sinai Roosevelt) New York New York 10019-1147
Ohio State University Wexner Medical Center (OSUWMC) - CarePoint Gahanna Columbus Ohio 43211
The Movement Disorder Clinic (MDC) of Oklahoma Tulsa Oklahoma 74136-6372
Abington Neurology Abington Pennsylvania 19001
University of Pennsylvania Philadelphia Pennsylvania 19107
Rhode Island Hospital Providence Rhode Island 02903
Medical University of South Carolina (MUSC) - The Murray Center for Research on Parkinson's Disease and Related Disorders Charleston South Carolina 29401-1189
Veracity Neuroscience, LLC Memphis Tennessee 38157
Central Texas Neurology Consultants Round Rock Texas 78681
University of Virginia Health System (UVAHS)- Adult Neurology Clinic Charlottesville Virginia 22903
Inland Northwest Research Spokane Washington 99202-1342
Medical College of Wisconsin Milwaukee Wisconsin 53226

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 26 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05357989, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Mar 2, 2025 · Synced Sep 3, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05357989 live on ClinicalTrials.gov.

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