Clinical Trial

Olfactory Biopsies

Recruiting
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Summary
This research study aims to investigate the function of the olfactory lining in the nasal cavity and its potential alterations in both healthy and diseased conditions. The olfactory lining is involved in the sense of smell. The purpose of this study is to collect tissue from the nasal cavity.
Protocol Amendment History 2 amendments
This ClinicalTrials.gov record has been amended 2 times since 2025-06-05; most recent amendment 2026-06-11.
Trial Details
NCT Number NCT07021040
Lead Sponsor Duke University
Collaborators: National Institute on Deafness and Other Communication Disorders (NIDCD)
Conditions Alzheimer Disease, Smell Loss, Smell Dysfunction
Enrollment 125 participants
Start Date 2025-01-06
Primary Completion 2029-04-30 (estimated)
Study Completion 2029-07-31 (estimated)
Updated on ClinicalTrials.gov 2026-06-12