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Longitudinal Early-Onset Alzheimer's Disease Study (LEADS)


The Longitudinal Early-Onset Alzheimer's Disease Study (LEADS) is a 2-year observational study designed to look at disease progression in adults with early-onset Alzheimer's disease. Researchers are also recruiting cognitively normal volunteers for a 1-year comparison.

Minimum Age Maximum Age Gender Healthy Volunteers
40 Years 64 Years All Yes
April 30, 2018
August 31, 2023

Early-Onset Alzheimer's Participants

  • Meet criteria for mild cognitive impairment due to Alzheimer's disease or probable Alzheimer's disease dementia
  • Global Clinical Dementia Rating score of 1 or less
  • Capacity to provide informed consent or legally authorized representative or guardian who can provide consent

Cognitively Normal Participants

  • Meet criteria for cognitively normal, based on an absence of significant impairment in cognitive functions or activities of daily living
  • Have a global Clinical Dementia Rating score of 0
  • Mini-Mental State Examination score of 26 to 30 (exceptions may be made for less than 8 years of education)

All Participants

  • Study partner who spends at least 10 hours per week with the participant, is generally aware of the person's daily activities, and can provide information about cognitive and functional performance; if the participant does not have a study partner who spends 10 face-to-face hours per week, other arrangements may be considered
  • Not pregnant or lactating; women must be two years post-menopausal, be surgically sterile, or have a negative pregnancy test prior to each PET scan
  • Fluent in English

  • Non-Alzheimer's disease dementia
  • Two or more first-degree relatives with a history of early-onset dementia (unless known mutations in APP, PSEN1, PSEN2 have been excluded)
  • Known mutation in APP, PSEN1, PSEN2, or other autosomal dominant genes associated with neurodegenerative disorders
  • Inability to undergo MRI, including claustrophobia, pacemaker, select implants, and fragments or foreign objects in the eyes, skin or body
  • Lifetime history of a brain disorder (except for headache)
  • Evidence of infection or focal lesions, cortical strokes, or multiple lacunes on MRI
  • Significant systemic illness or unstable medical condition that could interfere with study participation
  • Medical radiation exposure higher than is safe, as deemed by investigators
  • Investigational agents in past 30 days
  • Previous enrollment in a therapeutic trial targeting amyloid or tau
  • Participation in other clinical studies with neuropsychological measures, except the National Alzheimer's Coordinating Center Uniformed Data Set
  • Lifetime history of schizophrenia spectrum disorders
  • Diagnosis of mania or bipolar disorder in past year
  • Moderate or severe substance abuse in past 6 months (nicotine or caffeine allowed)
  • Suicidal behaviors in the past year or active suicidal ideations
  • Reside in a 24-hour care skilled nursing facility
  • History of torsades de pointes or taking medications known to prolong the QT interval
  • Corrected QT interval greater than or equal to 458 milliseconds in males or 474 milliseconds in females
  • For optional lumbar puncture procedure, exclusions include inability to undergo procedure; abnormal clinical laboratory values; suspected elevated intracranial pressure, malformation, or mass lesion; and anticoagulant medication use

Participants will undergo longitudinal clinical and cognitive assessments, computerized cognitive batteries, biomarker and genetic tests, brain imaging scans (including PET and MRI), and cerebral spinal fluid collection (optional). Researchers will compare data among participants and also to data from people with late-onset Alzheimer's disease to study different elements of disease progression.

Name City State Zip Status Primary Contact
University of California, Los Angeles
Los Angeles California 90095 Recruiting Diana Chavez
310-478-3711 x43621
University of California, San Francisco
San Francisco California 94121 Recruiting Julie Pham
Mayo Clinic, Jacksonville
Jacksonville Florida 32224 Recruiting Anton Thomas
Emory University
Atlanta Georgia 30322 Recruiting Annie Bryan
Northwestern University
Chicago Illinois 60611 Recruiting Brittanie Muse
Indiana University
Indianapolis Indiana 47405 Recruiting IU LEADS Team
Johns Hopkins University
Baltimore Maryland 21218 Recruiting Toni White
Massachusetts General Hospital
Boston Massachusetts 02114 Recruiting Ryn Flaherty
Mayo Clinic, Rochester
Rochester Minnesota 55905 Recruiting Emily Berg
Washington University, St. Louis
Saint Louis Missouri 63130 Recruiting Mary Banach
Columbia University
New York New York 10032 Recruiting Betina Idnay
University of Pennsylvania
Philadelphia Pennsylvania 19104 Recruiting Laura Schankel
Butler Hospital
Providence Rhode Island 02906 Recruiting Outreach Team
Houston Methodist Hospital
Houston Texas 77030 Recruiting Stephanie Wenzlawsh

Indiana University

  • Alzheimer's Therapeutic Research Institute
  • National Institute on Aging (NIA)
  • Alzheimer's Association
  • National Alzheimer's Coordinating Center (NACC)

Name Role Affiliation
Liana Apostolova, MD Principal Investigator Indiana University

Name Phone Email
Beenish Qureshi 307-963-7428


Longitudinal Early-onset Alzheimer's Disease Study Protocol