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Human Skin and Gut Mycobiome and Bacteriome Comprehensive Registry

Who can join

Ages 18 and older · All sexes · Healthy volunteers welcome

Inclusion Criteria:

* Capable of giving informed consent.
* Able and willing to complete all required specified study procedures

Exclusion Criteria:

* Antibiotic or antifungal use whether topical or systemic in the past 2 or 4 weeks, respectively.
* Unable and/or unwilling to complete all required study procedures.

About the study

Bacterial and fungal microbiota will be different between individual body sites; however, particular microbiome profiles both whole-body and site-specific will be unique to volunteers with a given parameter such as medical diagnosis, diet, medications taken, geographical area; etc.

What is being tested

• Questionnaire (other)
• Stool sample (other)
• Skin swab (other)
• Oral rinse (other)

Sponsor: University Hospitals Cleveland Medical Center · Participants: 5,000 · Started: Jan 1, 2020

Contact the study team

• Mahmoud Ghannoum, PhD · Phone: 216-844-7834

Official record on ClinicalTrials.gov — NCT05196061

Locations in the U.S.

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.