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Study identifier: NCT05552157 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

A Study of Potential Disease Modifying Treatments in Individuals at Risk for or With a Type of Early Onset AD Caused by a Genetic Mutation

Condition: Alzheimers Disease · Dementia · Alzheimers Disease, Familial  ·  Sponsor: Washington University School of Medicine

PhasePhase 2/Phase 3
Planned participants280
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersYes

About this study

The purpose is to evaluate the biomarker effect, safety, and tolerability of investigational study drugs in participants who are known to have an Alzheimer's disease (AD)-causing mutation. Stage 1 will determine if treatment with the study drug prevents or slows the rate of amyloid beta (Aβ) pathological disease accumulation demonstrated by Aβ positron emission tomography (PET) imaging. Stage 2 will evaluate the effect of early Aβ plaque reduction/prevention on disease progression by assessing downstream non-Aβ biomarkers of AD (e.g., CSF total tau, p-tau, NfL) compared to an external control group from the DIAN-OBS natural history study and the DIAN-TU-001 placebo-treated participants.

This description comes directly from the study's public registry record.

Talk to the study team

Jamie Bartzel  ·  844-DIANEXR (342-6397)  ·  dianexr@wustl.edu

Ellen Ziegemeier  ·  844-DIANEXR (342-6397)  ·  dianexr@wustl.edu

Always discuss trial participation with your own doctor first.

Locations (37)

University of Alabama in BirminghamBirmingham, Alabama, United StatesRecruiting
University of California San Diego Medical CenterLa Jolla, California, United StatesRecruiting
University of Southern CalifonriaLos Angeles, California, United StatesNot Yet Recruiting
Yale University School of MedicineNew Haven, Connecticut, United StatesRecruiting
Emory UniversityAtlanta, Georgia, United StatesRecruiting
Advocate Lutheran General HospitalPark Ridge, Illinois, United StatesRecruiting
Indiana University School of MedicineIndianapolis, Indiana, United StatesRecruiting
Washington University in St. LouisSt Louis, Missouri, United StatesRecruiting
New York University Medical CenterNew York, New York, United StatesRecruiting
University of PittsburghPittsburgh, Pennsylvania, United StatesRecruiting
Butler HospitalProvidence, Rhode Island, United StatesRecruiting
Kerwin Research and Memory CenterDallas, Texas, United StatesRecruiting

+ 25 more locations — full list on the registry record.

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Source record: clinicaltrials.gov/study/NCT05552157