Description
Inclusion Criteria:
- * Assigned male at birth
- * Identifies as male or gender non-conforming
- * Age 18 or older
- * Reads and speaks English
- * Past 6 months, reports condomless anal sex (CAS) with men
- * HIV negative
- * Currently has an active prescription for daily oral PrEP for at least 2 months and reports any non-adherence in the past month OR was initiated on PrEP in the past 2 months, regardless of reported adherence
- * Has an iPhone or Android smartphone
- * Screens positive for a moderate or severe stimulant use disorder with an abbreviated version of the Alcohol, Smoking, and Substance Involvement Screening Test (ASSIST) (total score of 4 or more) OR reports weekly use of either methamphetamine or cocaine.
- * Lives in California or Florida
Exclusion Criteria:
- * Unable to provide informed consent
- * Unwilling to participate in smartphone-based CM for directly observed PrEP doses
- * Identifies as transfeminine (e.g., transgender woman)
- * Assigned female at birth
- * Unwilling to provide dried blood spot (DBS) specimen - either in-person or remotely
- * Plans to move out of the state in the next 6 months
- * Not taking PrEP daily (e.g., if taking intermittent 2-1-1 dosing)
- * Switched from Truvada to Descovy in the last 5 months
Ages Eligible for Study:
18 Years to N/A (ADULT, OLDER_ADULT)
Sexes Eligible for Study: MALE
Accepts Healthy Volunteers:
Yes