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ClinicalTrials.gov public records Last synced Sep 5, 2026, 11:56 PM EDT

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Showing 1–5 of 5 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers

Phase 1 Study of Oral MG001

NCT07204171
Conditions
Safety and Tolerability in Healthy Subjects
Interventions
mitragynine, Placebo
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Overland Park, Kansas
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Assessing the Pharmacokinetics and Drug Interaction Liability of Kratom, an Opioid-like Natural Product

NCT04392011
Conditions
Interaction Drug Food
Interventions
Midazolam HCl, Dextromethorphan HBr, Kratom
Drug · Dietary Supplement
Lead sponsor
Washington State University
Other
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Spokane, Washington
Conditions
Herbal Interaction
Interventions
Kratom, Oxycodone
Dietary Supplement · Drug
Lead sponsor
Washington State University
Other
Eligibility
21 Years to 45 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Spokane, Washington
Conditions
Chronic Pain, Fatigue, Substance Use Disorders
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
396 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Single Ascending Doses of Kratom in Healthy Nondependent Adults With Opioid Experience

NCT06072170
Conditions
Safety, Pharmacokinetics, Pharmacodynamics
Interventions
Kratom, Placebo
Drug
Lead sponsor
Altasciences Company Inc.
Industry
Eligibility
18 Years to 59 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Overland Park, Kansas