Drugs / 5-Hydroxytryptophan

Trials 4

2006200720082009201020112012201320142015201620172018201920202021202220232024202520262027
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 23 trials
Phase 2 NCT05895747 Sep 2023 → Jun 2026 overdue major depressive disorder University of Utah Recruiting No outcome recorded
Phase 2 NCT05030129 Oct 2021 → Jan 2023 fragile X syndrome Elizabeth Berry-Kravis Completed No outcome recorded
Phase 2 NCT00328913 Mar → Jul 2006 obesity disorder TNO Completed No outcome recorded
Phase 41 trial
Phase 4 NCT02356107 Apr 2015 → Aug 2016 major depressive disorder Perry Renshaw Completed No outcome recorded
Comparator or background therapy4 trials
Phase 2 NCT04395183 Comparator Mar 2021 → Aug 2023 major depressive disorder University of Utah Completed No outcome recorded
Phase 2 NCT04160910 Comparator Feb 2021 → Dec 2026 expected allergic asthma Indiana University Recruiting No outcome recorded
Phase 2/3 NCT04520178 Comparator Jul 2020 → May 2026 overdue spinal cord injury University of Alberta Active not recruiting No outcome recorded
Phase 4 NCT02922725 Comparator Nov 2016 → May 2020 major depressive disorder Brent Michael Kious, MD, PhD Terminated No outcome recorded

Evidence & citations 4 cited values

Every value below carries the sentence it was read from. 8 sources stand behind the page.

FieldValueCited text
Known as 5 hydroxytryptophan “The investigators hypothesize that the administration of two widely available, naturally occurring dietary supplements, 5 hydroxytryptophan and creatine monohydrate, will...” NCT02356107 ↗
8

NCT05895747 ↗

NCT05030129 ↗

NCT04395183 ↗

NCT02922725 ↗

NCT02356107 ↗

NCT04520178 ↗

NCT04160910 ↗

NCT00328913 ↗

Known as 5-HTP “The investigators propose to determine if 8 weeks of dietary augmentation with oral 5g creatine monohydrate daily and 100 mg of 5-hydroxytryptophan (5-HTP) twice daily reduces...” NCT02922725 ↗
1

“Period 3: 5-hydroxytryptophan (5-HTP) 100 mg three times per day for 4 weeks” NCT05030129 ↗

Modality Other / unclassified “two widely available, naturally occurring dietary supplements” NCT02356107 ↗
Route Oral “oral 5 g creatine daily and 100 mg 5-HTP twice daily” NCT02356107 ↗