Trial Outcomes & Findings for Mobile Enhanced Prevention Support for People Leaving Jail (NCT NCT04036396)
NCT ID: NCT04036396
Last Updated: 2026-02-02
Results Overview
Defined as the participant identifying and completing an appointment with a primary care provider who is willing and able to prescribe HIV pre-exposure prophylaxis.
COMPLETED
NA
233 participants
9 months
2026-02-02
Participant Flow
Participants were recruited through a variety of methods, including direct recruitment at supportive housing facilities in LA County and in MCJ, referrals from community partners, participant referrals, and flyers posted by community organizations.
Participant milestones
| Measure |
Standard of Care
A client-centered assessment of priorities and needs and customized prevention and testing referrals.
|
Mobile Enhanced Prevention Support
Standard of Care in addition to a client-centered assessment of priorities and needs and customized prevention and testing referrals, and the Mobile Enhanced Prevention Support Program
|
|---|---|---|
|
Overall Study
STARTED
|
117
|
116
|
|
Overall Study
COMPLETED
|
86
|
87
|
|
Overall Study
NOT COMPLETED
|
31
|
29
|
Reasons for withdrawal
| Measure |
Standard of Care
A client-centered assessment of priorities and needs and customized prevention and testing referrals.
|
Mobile Enhanced Prevention Support
Standard of Care in addition to a client-centered assessment of priorities and needs and customized prevention and testing referrals, and the Mobile Enhanced Prevention Support Program
|
|---|---|---|
|
Overall Study
Withdrawal by Subject
|
3
|
3
|
|
Overall Study
Death
|
2
|
2
|
|
Overall Study
Lost to Follow-up
|
12
|
14
|
|
Overall Study
Determined ineligible after enrollment
|
14
|
10
|
Baseline Characteristics
Mobile Enhanced Prevention Support for People Leaving Jail
Baseline characteristics by cohort
| Measure |
Standard of Care
n=103 Participants
A client-centered assessment of priorities and needs and customized prevention and testing referrals.
|
Mobile Enhanced Prevention Support
n=105 Participants
Standard of Care in addition to a client-centered assessment of priorities and needs and customized prevention and testing referrals, and the Mobile Enhanced Prevention Support Program
|
Total
n=208 Participants
Total of all reporting groups
|
|---|---|---|---|
|
Age, Continuous
|
34.5 years
STANDARD_DEVIATION 7.6 • n=13 Participants
|
32.5 years
STANDARD_DEVIATION 6.6 • n=15 Participants
|
33.5 years
STANDARD_DEVIATION 7.2 • n=28 Participants
|
|
Sex/Gender, Customized
Gender identity · Cisgender male
|
90 Participants
n=13 Participants
|
88 Participants
n=15 Participants
|
178 Participants
n=28 Participants
|
|
Sex/Gender, Customized
Gender identity · Trans female
|
8 Participants
n=13 Participants
|
11 Participants
n=15 Participants
|
19 Participants
n=28 Participants
|
|
Sex/Gender, Customized
Gender identity · Gender non-binary or non-conforming
|
4 Participants
n=13 Participants
|
5 Participants
n=15 Participants
|
9 Participants
n=28 Participants
|
|
Sex/Gender, Customized
Gender identity · Other
|
1 Participants
n=13 Participants
|
1 Participants
n=15 Participants
|
2 Participants
n=28 Participants
|
|
Race/Ethnicity, Customized
Race/ethnicity · American Indian or Alaska Native
|
1 Participants
n=13 Participants
|
1 Participants
n=15 Participants
|
2 Participants
n=28 Participants
|
|
Race/Ethnicity, Customized
Race/ethnicity · Asian
|
2 Participants
n=13 Participants
|
2 Participants
n=15 Participants
|
4 Participants
n=28 Participants
|
|
Race/Ethnicity, Customized
Race/ethnicity · Black or African American
|
26 Participants
n=13 Participants
|
27 Participants
n=15 Participants
|
53 Participants
n=28 Participants
|
|
Race/Ethnicity, Customized
Race/ethnicity · Hispanic or Latino
|
47 Participants
n=13 Participants
|
40 Participants
n=15 Participants
|
87 Participants
n=28 Participants
|
|
Race/Ethnicity, Customized
Race/ethnicity · Native Hawaiian or Other Pacific Islander
|
0 Participants
n=13 Participants
|
3 Participants
n=15 Participants
|
3 Participants
n=28 Participants
|
|
Race/Ethnicity, Customized
Race/ethnicity · White
|
18 Participants
n=13 Participants
|
26 Participants
n=15 Participants
|
44 Participants
n=28 Participants
|
|
Race/Ethnicity, Customized
Race/ethnicity · Other (usually multiple)
|
9 Participants
n=13 Participants
|
6 Participants
n=15 Participants
|
15 Participants
n=28 Participants
|
|
Region of Enrollment
United States
|
103 participants
n=13 Participants
|
105 participants
n=15 Participants
|
208 participants
n=28 Participants
|
PRIMARY outcome
Timeframe: 9 monthsDefined as the participant identifying and completing an appointment with a primary care provider who is willing and able to prescribe HIV pre-exposure prophylaxis.
Outcome measures
| Measure |
Standard of Care
n=93 Participants
A client-centered assessment of priorities and needs and customized prevention and testing referrals.
|
Mobile Enhanced Prevention Support
n=99 Participants
Standard of Care in addition to a client-centered assessment of priorities and needs and customized prevention and testing referrals, and the Mobile Enhanced Prevention Support Program
|
|---|---|---|
|
Number of Participants Establishing a Primary Care Provider Who Can Prescribe PrEP (Pre-exposure Prophylaxis)
|
82 Participants
|
90 Participants
|
PRIMARY outcome
Timeframe: 9 monthsDefined as the participant obtaining a prescription for PrEP, providing documentation, reporting taking the medication
Outcome measures
| Measure |
Standard of Care
n=86 Participants
A client-centered assessment of priorities and needs and customized prevention and testing referrals.
|
Mobile Enhanced Prevention Support
n=87 Participants
Standard of Care in addition to a client-centered assessment of priorities and needs and customized prevention and testing referrals, and the Mobile Enhanced Prevention Support Program
|
|---|---|---|
|
Number of Participants Who Initiate PrEP Regimen
|
12 Participants
|
28 Participants
|
PRIMARY outcome
Timeframe: 3, 6, or 9 monthsPopulation: Sample is based on the number of people who reported taking PrEP (14 for Standard of care; 28 for MEPS) but excludes those who declined to respond to the adherence question.
Defined as the participant self-reporting taking prescribed PrEP at least 4 days per week at first instance of reporting taking PrEP
Outcome measures
| Measure |
Standard of Care
n=11 Participants
A client-centered assessment of priorities and needs and customized prevention and testing referrals.
|
Mobile Enhanced Prevention Support
n=26 Participants
Standard of Care in addition to a client-centered assessment of priorities and needs and customized prevention and testing referrals, and the Mobile Enhanced Prevention Support Program
|
|---|---|---|
|
Number of Participants Who Demonstrate Minimal Adherence to PrEP
|
10 Participants
|
26 Participants
|
PRIMARY outcome
Timeframe: 9 monthsPopulation: Sample is based on the number of people who reported taking PrEP (14 for Standard of care; 28 for MEPS) but excludes those who declined to respond to the this question.
The outcomes is defined by self-reported PrEP use for 3 or more months
Outcome measures
| Measure |
Standard of Care
n=11 Participants
A client-centered assessment of priorities and needs and customized prevention and testing referrals.
|
Mobile Enhanced Prevention Support
n=27 Participants
Standard of Care in addition to a client-centered assessment of priorities and needs and customized prevention and testing referrals, and the Mobile Enhanced Prevention Support Program
|
|---|---|---|
|
Number of Participants Who Remain on PrEP for at Least 3 Months.
|
7 Participants
|
17 Participants
|
PRIMARY outcome
Timeframe: 3, 6, and 9 monthsDefined as the participant self-reporting having obtained HIV testing within 3 months of the follow-up
Outcome measures
| Measure |
Standard of Care
n=84 Participants
A client-centered assessment of priorities and needs and customized prevention and testing referrals.
|
Mobile Enhanced Prevention Support
n=86 Participants
Standard of Care in addition to a client-centered assessment of priorities and needs and customized prevention and testing referrals, and the Mobile Enhanced Prevention Support Program
|
|---|---|---|
|
Number of Participants Who Report an HIV Test Within 3 Months of a Follow-up
3 months
|
44 Participants
|
55 Participants
|
|
Number of Participants Who Report an HIV Test Within 3 Months of a Follow-up
6 months
|
32 Participants
|
50 Participants
|
|
Number of Participants Who Report an HIV Test Within 3 Months of a Follow-up
9 months
|
31 Participants
|
33 Participants
|
PRIMARY outcome
Timeframe: 6 and 9 monthsDefined by the participant self-reporting having obtained testing for these sexually transmitted diseases (STDs) within the 6 months prior to a follow-up over the 9 month follow-up period
Outcome measures
| Measure |
Standard of Care
n=78 Participants
A client-centered assessment of priorities and needs and customized prevention and testing referrals.
|
Mobile Enhanced Prevention Support
n=76 Participants
Standard of Care in addition to a client-centered assessment of priorities and needs and customized prevention and testing referrals, and the Mobile Enhanced Prevention Support Program
|
|---|---|---|
|
Number of Participants Who Undergo a Test for Gonorrhea, Syphilis, and Chlamydia Within 6 Months of a Follow-up
9 months
|
28 Participants
|
29 Participants
|
|
Number of Participants Who Undergo a Test for Gonorrhea, Syphilis, and Chlamydia Within 6 Months of a Follow-up
3 months
|
33 Participants
|
41 Participants
|
|
Number of Participants Who Undergo a Test for Gonorrhea, Syphilis, and Chlamydia Within 6 Months of a Follow-up
6 months
|
32 Participants
|
40 Participants
|
PRIMARY outcome
Timeframe: 9 monthsDefined by the participant self-reporting having obtained at least one test for Hepatitis C
Outcome measures
| Measure |
Standard of Care
n=93 Participants
A client-centered assessment of priorities and needs and customized prevention and testing referrals.
|
Mobile Enhanced Prevention Support
n=99 Participants
Standard of Care in addition to a client-centered assessment of priorities and needs and customized prevention and testing referrals, and the Mobile Enhanced Prevention Support Program
|
|---|---|---|
|
Number of Participants Who Undergo a Test for Hepatitis C
|
80 Participants
|
85 Participants
|
PRIMARY outcome
Timeframe: 3 monthsPopulation: Sample based on the first 3-month followup and excluding participants who skipped the question
Defined by the participant self-report of completing SUD appointments within the 3 months following enrollment
Outcome measures
| Measure |
Standard of Care
n=84 Participants
A client-centered assessment of priorities and needs and customized prevention and testing referrals.
|
Mobile Enhanced Prevention Support
n=86 Participants
Standard of Care in addition to a client-centered assessment of priorities and needs and customized prevention and testing referrals, and the Mobile Enhanced Prevention Support Program
|
|---|---|---|
|
Number of Participants Obtaining Treatment for Substance Use Disorders (SUDs) in the Community
|
25 Participants
|
23 Participants
|
PRIMARY outcome
Timeframe: 9 monthsDefined by the participant self-reporting remaining engaged in treatment (i.e., continuing to attend meetings, counseling or other treatment activities) in the 3 months prior to the final follow-up interview.
Outcome measures
| Measure |
Standard of Care
n=86 Participants
A client-centered assessment of priorities and needs and customized prevention and testing referrals.
|
Mobile Enhanced Prevention Support
n=87 Participants
Standard of Care in addition to a client-centered assessment of priorities and needs and customized prevention and testing referrals, and the Mobile Enhanced Prevention Support Program
|
|---|---|---|
|
Number of Participants Who Remain Engaged in Treatment for Substance Use Disorders (SUDs) in the Community,
|
11 Participants
|
4 Participants
|
SECONDARY outcome
Timeframe: 3, 6, or 9 monthsPopulation: Outcome is among those who acquired HIV or HCV during the study.
Self-report of whether or not participants received follow-up care and treatment for HIV or hepatitis C infections diagnosed during study follow-up (n=200)
Outcome measures
| Measure |
Standard of Care
n=4 Participants
A client-centered assessment of priorities and needs and customized prevention and testing referrals.
|
Mobile Enhanced Prevention Support
n=4 Participants
Standard of Care in addition to a client-centered assessment of priorities and needs and customized prevention and testing referrals, and the Mobile Enhanced Prevention Support Program
|
|---|---|---|
|
Number of Participants in Each Arm Receiving Care and Treatment for Newly Diagnosed HIV or HCV Infections.
|
2 Participants
|
3 Participants
|
SECONDARY outcome
Timeframe: 9 monthsMeasure the comparative effectiveness of each intervention arm on reducing recidivism (n=200), quantified as the number of respondents who are reincarcerated.
Outcome measures
| Measure |
Standard of Care
n=93 Participants
A client-centered assessment of priorities and needs and customized prevention and testing referrals.
|
Mobile Enhanced Prevention Support
n=99 Participants
Standard of Care in addition to a client-centered assessment of priorities and needs and customized prevention and testing referrals, and the Mobile Enhanced Prevention Support Program
|
|---|---|---|
|
Number of Participants Who Recidivate
|
29 Participants
|
35 Participants
|
SECONDARY outcome
Timeframe: 9 monthsPopulation: Outcome is among those who were reincarcerated at some point during the study.
Measure the comparative effectiveness of the intervention reducing recidivism (n=200), quantified as total number of reincarcerations over the study period among those who recidivate.
Outcome measures
| Measure |
Standard of Care
n=29 Participants
A client-centered assessment of priorities and needs and customized prevention and testing referrals.
|
Mobile Enhanced Prevention Support
n=35 Participants
Standard of Care in addition to a client-centered assessment of priorities and needs and customized prevention and testing referrals, and the Mobile Enhanced Prevention Support Program
|
|---|---|---|
|
Number of Reincarcerations Among Those Who Recidivate
|
1 reincarcerations
Interval 1.0 to 2.0
|
2 reincarcerations
Interval 1.0 to 2.0
|
Adverse Events
Standard of Care
Mobile Enhanced Prevention Support
Serious adverse events
Adverse event data not reported
Other adverse events
Adverse event data not reported
Additional Information
Results disclosure agreements
- Principal investigator is a sponsor employee
- Publication restrictions are in place