Completed OBSERVATIONAL NCT00122889

Effects of Garlic Supplements on Drug Metabolism

Garlic Metabolism and Cytochrome P450 Modulation

Sponsor: Fred Hutchinson Cancer Center

Conditions Healthy

Interventions Aged garlic Garlic oil Garlic powder with high allicin content Garlic powder with low allicin content

Updated 11 times since 2017 Last updated: Dec 30, 2009 Started: Jul 31, 2005 Completion: Mar 31, 2009

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This observational or N/A phase trial investigates Healthy and is currently completed. Fred Hutchinson Cancer Center leads this study, which shows 11 recorded versions since 2005 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

11 versions recorded

Sep 2024 — Present [monthly]

Completed
Jul 2024 — Sep 2024 [monthly]

Completed
May 2022 — Jul 2024 [monthly]

Completed
Dec 2021 — May 2022 [monthly]

Completed
Jan 2021 — Dec 2021 [monthly]

Completed

▶ Show 6 earlier versions

Nov 2020 — Jan 2021 [monthly]

Completed
Jun 2018 — Nov 2020 [monthly]

Completed
May 2018 — Jun 2018 [monthly]

Completed
Apr 2018 — May 2018 [monthly]

Completed

Phase: PHASE4 → None
Aug 2017 — Apr 2018 [monthly]

Completed PHASE4
Jan 2017 — Aug 2017 [monthly]

Completed PHASE4

First recorded

Jul 2005

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Fred Hutchinson Cancer Center
National Center for Complementary and Integrative Health (NCCIH)

Data source: Fred Hutchinson Cancer Center

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Seattle, United States