Clinical Trial

5HTP Regulation Of Asthma In Children

Recruiting Phase 2
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Record status
This record was last updated March 2, 2026 (before its estimated June 30, 2026 completion). Its status may not reflect the trial's current state.
Summary
The purpose of this study is to learn more about if taking a supplement called 5-hydroxytryptophan (5HTP) can improve breathing and anxiety symptoms related to asthma. To help learn more subjects will either be assigned to a group that is taking the supplement (5HTP) or a group that is taking a placebo. This will be decided randomly. Later in the study subjects will crossover to the other group.There are 5 study visits over the course of about 12 weeks.
Protocol Amendment History 7 amendments
This ClinicalTrials.gov record has been amended 7 times since 2019-11-08; most recent amendment 2026-02-26.
Status change: Active, Not Recruiting → Recruiting 2022-01-20
Trial Details
NCT Number NCT04160910
Lead Sponsor Indiana University
Conditions Mild or Moderate Asthma With Allergic Sensitization
Enrollment 20 participants
Start Date 2021-02-11
Primary Completion 2026-06-30 (estimated)
Study Completion 2026-06-30 (estimated)
Updated on ClinicalTrials.gov 2026-03-02