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Completed Phase 2Phase 3 Interventional Results available

A Dose-ranging Study to Investigate Efficacy of Buntanetap in Mild to Moderate AD

ClinicalTrials.gov ID: NCT05686044

Public ClinicalTrials.gov record NCT05686044. 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 Nov 5, 2026, 4:48 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Randomized, Double-Blind, Placebo-Controlled, Dose-Ranging, Multicenter Study of Buntanetap in Participants With Mild to Moderate Alzheimer's Disease

Brief summary

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

The purpose of this study is to measure efficacy and safety of three different doses of buntanetap/Posiphen compared with placebo in participants with mild to moderate Alzheimer's disease. Study details include: The double-blind treatment duration will include a screening period of up to 42 days followed by 12 weeks of treatment at home. The study duration will be 4-5 months. There will be 4 in-clinic visits and 1 phone call.

Study identification

NCT ID
NCT05686044
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2, Phase 3
Lead sponsor
Annovis Bio Inc.
Industry
Enrollment
351 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
55 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
Apr 1, 2023 (Actual)
Primary completion
Feb 13, 2024 (Actual)
Completion
Feb 13, 2024 (Actual)
Last update posted
Apr 29, 2025

2023 – 2024

United States locations

U.S. sites
54
U.S. states
19
U.S. cities
45
Facility City State ZIP Site status
CCT Research - Gilbert Neurology Partners Gilbert Arizona 85297 —
CCT Research - Foothills Center Phoenix Arizona 85004 —
The Belinga Clinic Fort Smith Arkansas 72916 —
Sun Valley Research Center Imperial California 92251 —
CenExel Clinical Clinical Research, Inc Los Alamitos California 90720 —
Cenexel Rocky Mountain Clinical Research 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 —
K2 Medical Research Clermont Florida 34711 —
The Neurology Institute - Coral Springs Coral Springs Florida 33067-4640 —
JY Research Inst. Cutler Bay Florida 33189 —
Arrow Clinical trial Daytona Beach Florida 32114 —
Accel Research Sites - DeLand Clinical Research Unit DeLand Florida 32720 —
New Life Medical Research Center Hialeah Florida 33012 —
CenExel RCA Hollywood Florida 33024 —
Coral Clinic Reserach LLC Homestead Florida 33032 —
Charter Research Lady Lake Florida 32159 —
ClinCloud, LLC Maitland Florida 32751 —
K2 Medical Research Maitland Florida 32751 —
Merritt Island Clinical Research LLC Merritt Island Florida 32952 —
Premier Clinical Research Institute, Inc Miami Florida 33122 —
Gold Coast Health Research, LLC Miami Florida 33155 —
Medical Professional Clinical Research Center, Inc Miami Florida 33165 —
Reliant Medical Research Miami Florida 33165 —
Ezy Medical Research Co. Miami Florida 33175 —
Nuovida Research Center Miami Florida 33186 —
Renstar Medical Research Ocala Florida 34470 —
Visionary Investigators Network Pembroke Pines Florida 33026 —
Napa Research Pompano Beach Florida 33064 —
K2 Medical Research Tampa Florida 33067 —
K2 Summit Research The Villages Florida 32159 —
ClinCloud, LLC Viera Florida 32940 —
Conquest Research, LLC Winter Park Florida 32789 —
Charter Research Winter Park Florida 32792 —
CenExel iResearch, LLC Decatur Georgia 30030 —
Center for Advanced Research & Education Gainesville Georgia 30501 —
Hawaii Pacific Neuroscience, LLC Honolulu Hawaii 96817 —
Southern Illinois University School of Medicine Springfield Illinois 62702 —
Josephson Wallack Munshower Neurology, P.C. Indianapolis Indiana 46256 —
Northern Light Acadia Hospital Bangor Maine 04401 —
MedVadis Research Waltham Massachusetts 02451 —
Quest Research Institue Farmington Hills Michigan 48334 —
Insight Research Institute Flint Michigan 48507 —
Hassman Research Institute Berlin New Jersey 08009 —
CenExel Clinical Research, Inc Toms River New Jersey 08755 —
Velocity Clinical Research Syracuse New York 13057 —
SUNY Upstate Medical University Syracuse New York 13210 —
Duke University Durham North Carolina 27705 —
Neuroscience Centre (CINAC) Canton Ohio 44718 —
Dayton Center for Neurological Disorders, Inc Centerville Ohio 45459 —
NeuroCare Plus Houston Texas 77094 —
Be Well Clinical Studies, LLC Round Rock Texas 78681 —
Central Texas Neurology Consultants Round Rock Texas 78681 —
Inland Northwest Research Spokane Washington 99202-1342 —

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05686044, 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 Apr 29, 2025 · Synced Nov 5, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT05686044 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →