5-HTP and Creatine for Depression R33 Phase
NCT05895747
This study is recruiting at 1 US site in 1 state, according to its ClinicalTrials.gov record last updated .
Summary
This is a three-armed clinical trial examining the effect of 5-hydroxytryptophan and creatine monohydrate as augmenting agents for the treatment of depression. Subjects will be randomized between 5-HTP 100mg BID + creatine 5g daily, 5-HTP 200mg BID + creatine 10g daily, vs double placebo, for 8 weeks. The ability of the interventions to affect biomarkers associated with depression will be assessed using brain phosphorus magnetic resonance spectroscopy, functional connectivity imaging, and plasma serotonin levels.
Shortened from the sponsor's brief summary. View official record on ClinicalTrials.gov
Conditions studied
- Major Depressive Disorder
Eligibility basics and study details
- Study type
- Interventional
- Phase
- Phase 2
- Ages
- 18 to 65 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Sponsor
- University of Utah
- Last updated on ClinicalTrials.gov
- August 27, 2026
These are the basic criteria only. The full inclusion and exclusion criteria are on the official record, and the study team decides who can take part.
US recruiting sites
Utah · 1
- University of Utah Department of Psychiatry · Salt Lake City, UT
Source: ClinicalTrials.gov, data processed . Recruiting US sites filtered by distance and site status; summaries shortened.