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.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

233 participants

Primary outcome timeframe

9 months

Results posted on

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

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

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

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 months

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.

Outcome measures

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 months

Defined as the participant obtaining a prescription for PrEP, providing documentation, reporting taking the medication

Outcome measures

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 months

Population: 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

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 months

Population: 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

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 months

Defined as the participant self-reporting having obtained HIV testing within 3 months of the follow-up

Outcome measures

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 months

Defined 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

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 months

Defined by the participant self-reporting having obtained at least one test for Hepatitis C

Outcome measures

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 months

Population: 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

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 months

Defined 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

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 months

Population: 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

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 months

Measure the comparative effectiveness of each intervention arm on reducing recidivism (n=200), quantified as the number of respondents who are reincarcerated.

Outcome measures

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 months

Population: 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

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

Serious events: 0 serious events
Other events: 0 other events
Deaths: 2 deaths

Mobile Enhanced Prevention Support

Serious events: 0 serious events
Other events: 0 other events
Deaths: 2 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Nina Harawa

University of California, Los Angeles

Phone: 310-794-8078

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place