Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 8, 2026, 5:24 AM EDT

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Showing 1–3 of 3 matching trials from the live ClinicalTrials.gov search.
Conditions
Methamphetamine Disorders
Interventions
Not listed
Lead sponsor
Phillip Coffin, MD, MIA
Government
Eligibility
20 Years to 40 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Conditions
Chronic Hepatitis C
Interventions
modified directly observed therapy (mDOT), unobserved dosing, Motivational Interviewing-based counseling
Other
Lead sponsor
Phillip Coffin, MD, MIA
Government
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
San Francisco, California
Conditions
Amphetamine-Related Disorders
Interventions
Mirtazapine, Placebo
Drug
Lead sponsor
Phillip Coffin, MD, MIA
Government
Eligibility
18 Years to 69 Years · Male only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
San Francisco, California