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RecruitingAccepts healthy volunteersPhase 4

Understanding the Efficacy of Dietary Supplement on Fungal Mycobiota in Healthy Volunteers: A Pilot Study

Weill Medical College of Cornell University · NCT06433310

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Opens the official ClinicalTrials.gov record, with the study team’s contacts. Bored Studies doesn’t enroll anyone.

Key facts

Compensation
Not posted. Ask the study team before screening.
Who can join
Ages 18+ · All sexes
Healthy volunteers
Accepted
Study type
Interventional · Phase 4
Target enrollment
20
US sites recruiting
1
Study start
October 17, 2024
Record last updated
June 26, 2026

Status re-checked against ClinicalTrials.gov within the last 12 hours.

What the study is about

The purpose of this study is to explore how the dietary supplement L-Phenylalanine affects the production of the metabolite phenylpropionic acid (PPA) and changes fungal populations of the gut microbiome.

Being studied: L-Phenylalanine 500 mg Veg Capsule product

Conditions: Gut Microbiome; Gut Health; Dietary Supplement; L-Phenylalanine; Phenylpropionic Acid

Eligibility criteria

Copied from the official record. The study team makes the final decision at screening.

Show full criteria

Inclusion Criteria

  • Male or female adults over the age of 18 years

Exclusion Criteria

  • History of a diagnosis of any gastrointestinal condition, such as inflammatory bowel syndrome or disease
  • Antibiotic usage within the past two weeks
  • Antifungal usage within the past month
  • Allergy to L-Phenylalanine or individuals with phenylketonuria (PKU)
  • Adults taking medications known to interact with L-phenylalanine supplements, such as Monoamine Oxidase Inhibitors (MOAI), L-DOPA, and some antipsychotic drugs (complete and extensive drug list will be provided to interested participants during screening)
  • Pregnant or nursing women

Recruiting US locations

  • Belfer Research Building

    New York, NY 10022

    Site contact: Emilia T Vignogna, BS · 505-259-4995 · etv4001@med.cornell.edu

Study contacts (from the official record)

  • Emilia T Vignogna, BS · 505-259-4995 · etv4001@med.cornell.edu
  • Tsering D Sherpa-Ngima, BSc · 929-328-9571 · tss4002@med.cornell.edu
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Understanding the Efficacy of Dietary Supplement on Fungal… (NCT06433310) | Bored Studies