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Recruiting NCT04579120

NCT04579120 Neuroimaging in Healthy Aging and Senile Dementia (HASD_IND)

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Clinical Trial Summary
NCT ID NCT04579120
Status Recruiting
Phase
Sponsor Tammie L. S. Benzinger, MD, PhD
Condition Alzheimer Disease
Study Type OBSERVATIONAL
Enrollment 650 participants
Start Date 2021-09-01
Primary Completion 2027-11

Eligibility & Interventions

Sex All sexes
Min Age 18 Years
Max Age N/A
Study Type OBSERVATIONAL
Interventions
[11C]-Pittsburgh Compound B ([11C]PiB)F 18 AV-1451 (Flortaucipir)

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

This is an observational study. You will not receive an experimental treatment; researchers will collect data based on your existing condition or standard treatment.

This trial targets 650 participants in total. It began in 2021-09-01 with a primary completion date of 2027-11.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

To identify factors that signal the transition from asymptomatic (preclinical) to symptomatic Alzheimer disease (AD).

Eligibility Criteria

Inclusion Criteria: * Male or female, any race * Age \> 18 years * Participation in one of the ongoing projects affiliated with the Knight ADRC at Washington University and referred by the MAP staff and a Washington University physician. * Normal cognition or early-stage symptomatic AD * Willing and able to undergo study procedures. * Capacity to give informed consent and follow study procedures Exclusion Criteria: * Has any condition that, in the Investigator's opinion, could increase risk to the participant, limit the participant's ability to tolerate the research procedures, or interfere with the collection/analysis of the data (e.g., participants with severe chronic back pain might not be able to lie still during the scanning procedures); * Has hypersensitivity to either AV-1451 or PIB or any of its excipients; * Contraindications to PET, CT or MRI (e.g. electronic medical devices, inability to lie still for extended periods) that make it unsafe for the individual to participate; * Severe claustrophobia; * Currently pregnant or breast-feeding. Women must agree to avoid becoming pregnant and must agree to refrain from sexual activity or to use reliable contraceptive methods for 24 hours following administration of Flortaucipir injection; * Must not have participated in any clinical trial involving a study drug or device within the 30-days prior to study enrollment; * Must not participate in another drug or device study prior to the end of this study participation; * Current or recent (within 12 months prior to screening) participation in research studies involving radioactive agents such that the total research-related radiation dose to the participant in any given year would exceed the limits set forth in the U.S. Code of Federal Regulations (CFR) Title 21 Section 361.1. https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?FR=361.1

Contact & Investigator

Central Contact

Kelley Jackson, BA

✉ kelleyj@wustl.edu

📞 314-362-1558

Principal Investigator

Tammie Benzinger, MD, PhD

PRINCIPAL INVESTIGATOR

Washington University School of Medicine

Frequently Asked Questions

Who can join the NCT04579120 clinical trial?

This trial is open to participants of all sexes, aged 18 Years or older, studying Alzheimer Disease. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

Is NCT04579120 currently recruiting?

Yes, NCT04579120 is actively recruiting participants. Contact the research team at kelleyj@wustl.edu for enrollment information.

Where is the NCT04579120 trial being conducted?

This trial is being conducted at St Louis, United States.

Who is sponsoring the NCT04579120 clinical trial?

NCT04579120 is sponsored by Tammie L. S. Benzinger, MD, PhD. The principal investigator is Tammie Benzinger, MD, PhD at Washington University School of Medicine. The trial plans to enroll 650 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology