Adherence to PrE-exposure prophylaxis
Conditions
Interventions
Intervention: the AMPrEP App PLUS
The intervention to improve adherence that will be tested in this RCT consists of individualized feedback provided in an AMPrEP App PLUS, based on the adherence date
Sponsors
Academic Medical Center
Eligibility
Inclusion criteria
Inclusion criteria: All of the following: • Participant of the daily PrEP group within AMPrEP and prefers to continue daily PrEP use • Has installed and used the regular AMPrEP App on smart phone or tablet • Willing and able to comply to RCT procedures • Willing and able to give written informed consent
Exclusion criteria
Exclusion criteria: None
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| good adherence at 12 and 24 months. Good adherence is measured by tenofovir levels in dried blood spot. Good adherence is defined as a level of ≥700 fmol/punch, which corresponds to a use of four or more tablets per week of tenofovir/emtricitabine 29. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. To assess the use of the AMPrEP App (control group) and the AMPrEP App PLUS (intervention group) 2. To compare acceptability and usability of the AMPrEP App (control group) and the AMPrEP App PLUS (intervention group) 3. To compare self-reported adherence from questionnaires, from the AMPrEP App (control group) and the AMPrEP App PLUS (intervention group) and from pill-counts in both groups 4. To evaluate risk compensation in both study groups 5. To determine the rate of HIV seroconversion in both groups 6. To determine the perceived level of HIV protection in both groups 7. To determine the level of adherence self-efficacy in both groups 8. To evaluate perceived adherence support of the AMPrEP App (control group) and the AMPrEP App PLUS (intervention group) 9. To assess whether demographic variables, drug use, sexual risk behaviour, STI prevalence, perceived HIV risk and beliefs on PrEP efficacy are independent predictors of adherence, as measured by tenofovir levels in dried blood spots | — |
Contacts
Public ContactMark van den Elshout
GGD Amsterdam
Outcome results
None listed