Actively Recruiting

Age: 18Years +
All Genders
Healthy Volunteers
NCT04363684

ARTFL LEFFTDS Longitudinal Frontotemporal Lobar Degeneration (ALLFTD)

Led by Mayo Clinic · Updated on 2025-07-11

2100

Participants Needed

27

Research Sites

330 weeks

Total Duration

On this page

Sponsors

M

Mayo Clinic

Lead Sponsor

U

University of California, San Francisco

Collaborating Sponsor

AI-Summary

What this Trial Is About

ARTFL LEFFTDS Longitudinal Frontotemporal Lobar Degeneration (ALLFTD) represents the formalized integration of ARTFL (U54 NS092089; funded through 2019) and LEFFTDS (U01 AG045390; funded through 2019) as a single North American research consortium to study FTLD for 2019 and beyond.

CONDITIONS

Official Title

ARTFL LEFFTDS Longitudinal Frontotemporal Lobar Degeneration (ALLFTD)

Who Can Participate

Age: 18Years +
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Participants aged 18 years or older
  • Familial FTLD participants must have a known disease-associated mutation in major FTLD genes (MAPT, GRN, C9orf72, or others) or an autosomal dominant family history of FTLD syndrome verified by medical records or family history
  • Sporadic FTLD participants must have a symptomatic FTLD syndrome with no known family history or genetic mutation and meet research criteria for specific FTLD syndromes including PSP, svPPA, nfvPPA, CBD/CBS, bvFTD, or FTD/ALS
  • Biofluid arm participants can be familial or sporadic FTLD meeting the above criteria and may be included regardless of primary language if translated consent is available
  • Participants must be able to complete at least 75% of study procedures to enroll in the longitudinal arm
Not Eligible

You will not qualify if you...

  • Presence of a structural brain lesion (e.g., tumor, cortical infarct) that could explain symptoms
  • Presence of Alzheimer’s disease causing mutation (PSEN1, PSEN2, APP) or biomarker evidence of Alzheimer’s disease
  • History of Korsakoff encephalopathy, severe alcohol dependence within 5 years of dementia onset, frequent substance intoxication, or other neurological disorders
  • Uncorrected B12 deficiency, unregulated hypothyroidism, HIV positive, renal failure, liver failure, respiratory failure requiring supplemental oxygen
  • Large confluent white matter lesions or significant systemic illnesses such as worsening cardiovascular disease
  • Current medication likely to affect central nervous system functions per site investigator
  • Inability to complete sufficient key study procedures, though may be eligible for the biofluid arm if able to tolerate blood draw and brief exam

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 27 locations

1

University of Alabama Birmingham

Birmingham, Alabama, United States, 35233

Actively Recruiting

2

University of California, Los Angeles

Los Angeles, California, United States, 90095

Actively Recruiting

3

University of California, San Diego

San Diego, California, United States, 92093

Actively Recruiting

4

University of California San Francisco

San Francisco, California, United States, 91358

Actively Recruiting

5

University of Colorado Denver

Denver, Colorado, United States, 80204

Actively Recruiting

6

Mayo Clinic Florida

Jacksonville, Florida, United States, 32224

Actively Recruiting

7

Emory University

Atlanta, Georgia, United States, 30322

Actively Recruiting

8

Northwestern University

Chicago, Illinois, United States, 60611

Actively Recruiting

9

Indiana University

Indianapolis, Indiana, United States, 46202

Actively Recruiting

10

Johns Hopkins University

Baltimore, Maryland, United States, 21287

Actively Recruiting

11

NIH

Bethesda, Maryland, United States, 20814

Actively Recruiting

12

Massachusetts General Hospital

Boston, Massachusetts, United States, 02114

Actively Recruiting

13

University of Michigan

Ann Arbor, Michigan, United States, 48109

Actively Recruiting

14

Mayo Clinic Rochester

Rochester, Minnesota, United States, 55905

Actively Recruiting

15

Washinton University in St. Louis

St Louis, Missouri, United States, 63110

Actively Recruiting

16

Cleveland Clinic Lou Ruvo Center for Brain Health

Las Vegas, Nevada, United States, 89106

Actively Recruiting

17

Mount Sinai

New York, New York, United States, 10029

Not Yet Recruiting

18

Columbia University

New York, New York, United States, 10032

Actively Recruiting

19

University of North Carolina, Chapel Hill

Chapel Hill, North Carolina, United States, 27514

Actively Recruiting

20

Case Western Reserve Medical Center

Cleveland, Ohio, United States, 44106

Actively Recruiting

21

University of Pennsylvania

Philadelphia, Pennsylvania, United States, 19104

Actively Recruiting

22

Vanderbilt University

Nashville, Tennessee, United States, 37235

Actively Recruiting

23

Nantz National Alzheimer Center Houston

Houston, Texas, United States, 77030

Actively Recruiting

24

UT San Antonio Health Science Center

San Antonio, Texas, United States, 78229

Actively Recruiting

25

University of Washington

Seattle, Washington, United States, 98195

Actively Recruiting

26

University of British Columbia

Vancouver, British Columbia, Canada

Actively Recruiting

27

University of Toronto

Toronto, Ontario, Canada

Actively Recruiting

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Research Team

L

Leah K Forsberg, PhD

CONTACT

H

Hilary Heuer, PhD

CONTACT

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

2

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