Reliability, Validity, and Acceptability of a Novel Visual Scale for Estimating Daily Methamphetamine Use Among People Who Use Methamphetamine
Phillip Coffin, MD, MIA
Summary
PROJECT RESIN: This study is examining the reliability, validity, and acceptability of a novel visual scale for estimating daily methamphetamine use among people who use methamphetamine.
Description
Methamphetamine is a widely used psychostimulant associated with substantial cardiovascular and neuropsychiatric morbidity. The toxic effects of methamphetamine are dose-dependent, but clinical trials of interventions for methamphetamine use disorder often rely on urine drug screening as a primary outcome. Urine drug screening provides qualitative results and can remain positive for 5-7 days after using methamphetamine, thus limiting its use in trials that seek to measure use reduction and not only abstinence as a treatment outcome. Existing methods of measuring the frequency and amount of me…
Eligibility
- Age range
- 20–40 years
- Sex
- All
- Healthy volunteers
- Yes
Inclusion Criteria: * Age 20-40 inclusive * English speaking * Self-reports using methamphetamine at least once in the past 7 days (attempts will be made to enroll participants with varied frequencies of methamphetamine use) * At least 1cm of untreated occipital scalp hair * Hair is brown or black * Willing to provide a hair sample Exclusion Criteria: * Participant, in the opinion of the investigators, would be unable to complete study procedures
Location
- SFDPH Center on Substance Use and HealthSan Francisco, California