DL-Phenylalanine trials recruiting now

1 registration that name DL-Phenylalanine as a study arm and are recruiting or about to, as ClinicalTrials.gov listed them on Oct 20, 2026. Read each listing for its full criteria and current status.

Kymata never assesses eligibility. Each listing names its own criteria; only its study team can say whether someone can join. Trial doses are given under the trial's monitoring and are not a schedule for anyone outside it.

Filter 1 registration

Status

1US sites across 1 state

All 1 registrations

RecruitingNCT06433310

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

  • Phase 4
  • Weill Medical College of Cornell University
  • About 20 people
  • Started Oct 17, 2024

In plain words A Phase 4 study of DL-Phenylalanine in people 18 and older, run by Weill Medical College of Cornell University. It plans to enroll about 20 people at 1 US site.

Who it lists and where

Who the trial lists, as registered

Lists people 18 and older; healthy volunteers accepted. Conditions: Gut Microbiome; Gut Health; Dietary Supplement; L-Phenylalanine; Phenylpropionic Acid.

  • Male or female adults over the age of 18 years

The exclusion criteria are on the listing.

What it tests, as registered

L-Phenylalanine 500 mg Veg Capsule product

Registered summary

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.

Where, as registered

1 US site in 1 state.

ClinicalTrials.gov lists 122 open registrations for this search, including ones where DL-Phenylalanine is not a study arm or that are past the 1 we keep. Search them on ClinicalTrials.gov (opens in new tab).

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