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An Electronic Health Record-based Approach to Increase PrEP Knowledge and Uptake: the EMC2 PrEP Strategy

Adaptation and Pilot Test of an Electronic Health Record-based Approach to Increase PrEP Knowledge and Uptake: the EMC2 PrEP Strategy

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05709860
Enrollment
200
Registered
2023-02-02
Start date
2023-11-29
Completion date
2024-10-29
Last updated
2025-05-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Electronic Health Record, HIV Infections, Primary Health Care

Brief summary

This study is being conducted to investigate a strategy that may improve knowledge and uptake of pre-exposure prophylaxis for HIV prevention (PrEP) among cisgender women in primary care.

Detailed description

Members of the study team previously developed and evaluated the Electronic health record Medication Complete Communication (EMC2) strategy to 'hardwire' provider/patient communication & surveillance of select prescription (Rx) medications. EMC2 PrEP will adapt from the previous strategy to * educate cisgender women in primary care who have increased vulnerability to HIV about PrEP using an interactive, health literacy-appropriate educational tool securely delivered via the patient portal * facilitate, for those who express interest, the rapid and discrete scheduling of a dedicated PrEP clinic visit with a primary care clinician trained in PrEP delivery The current study aims are to: Aim 1: Refine and implement an electronic health record (EHR)-based strategy as a potential quality improvement activity that supports informed decision-making and PrEP uptake among women with increased HIV vulnerability in primary care (the EMC2 PrEP strategy). Aim 2: Pilot-test the EMC2 PrEP strategy in primary care to determine its feasibility, acceptability, and preliminary efficacy among women with increased vulnerability to HIV. Aim 3: Develop a standard operating protocol (SOP) for disseminating the EMC2 PrEP strategy to a national network of federally qualified health centers.

Interventions

BEHAVIORALEMC2 PrEP Educational Tool

Patients will receive an interactive PrEP Educational Tool. This interactive tool will be securely sent via the patient portal. After logging into their portal, patients will have the opportunity to review the information on their own time.

BEHAVIORALDiscrete Scheduling of a Dedicated PrEP Visit

Within the interactive PrEP Educational Tool, patients who choose to will have the opportunity to discretely schedule a dedicated PrEP visit with a primary care clinician trained on PrEP delivery. The clinician will have time reserved to allow for 'rapid' scheduling.

Sponsors

Merck Sharp & Dohme LLC
CollaboratorINDUSTRY
Northwestern University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
HEALTH_SERVICES_RESEARCH
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* female * HIV negative * have received 2 or more tests in the past 12 months for chlamydia, gonorrhea and/or syphilis * and/or have received a positive diagnosis for at least one of those sexually transmitted infections in the past 6 months * currently engaged in primary care * not currently using PrEP

Exclusion criteria

* severe, uncorrectable visual, hearing or cognitive impairments that would preclude study consent or participation

Design outcomes

Primary

MeasureTime frameDescription
PrEP Uptake (Use)6 monthsPrEP uptake will be measured during the intervention period between study arms to investigate the effects of the EMC2 PrEP strategy.

Secondary

MeasureTime frameDescription
PrEP Attitudes2-6 weeksA PrEP Attitudes 5-items scale (Walsh, 2019) is used to assess attitudes toward PrEP, each item is measured on a 5-point Likert scale (1=strongly disagree to 5=strongly agree). A total score is calculated and range from 5 to 25. Higher scores mean more stigma towards PrEP use.
PrEP Knowledge2-6 weeksA 10-item questionnaire, developed by the study team and the scientific literature, will be used to evaluate knowledge of pre-exposure prophylaxis among study participants. Correctly answered questions will be summed (0 to 10) for a total score. Higher scores will indicate greater PrEP knowledge.
Health Literacy2-6 weeksCHEW health literacy is used to assess participant's health literacy level. Participants were asked three questions about difficulty in understanding medical materials and information, the options range from all of the time to none of the time. The responses of the three questions are then categorized into limited and adequate health literacy level. We used CHEW health literacy because the measure can be conducted over phone calls.
Perceived Risk of HIV2-6 weeksThe 8-item Perceived Risk of HIV scale is used to assess how vulnerable an individual feels to HIV. The scale was developed in the United States and attention was paid to health literacy. Response options vary for each item, though they are measured on a 4-point Likert scale. Total score of 8 items is calculated and range from 10 to 40. Higher scores mean higher perceived risk of HIV.
Process Measure2-6 weeksThe participants in the intervention group were asked two questions about 1) whether they received a PrEP decision guide, and 2) did they read or review it, to assess the acceptability of the intervention material.
Acceptability of the Strategy2-6 weeksUsing 10-point Likert scale response options (1=very unsatisfied to 10=very satisfied), participants in the intervention group are asked to rate their satisfaction with the materials.
Health Activation2-6 weeksA modified version of our team's 10-item Consumer Health Activation Index (CHAI) is used to assess participant's engagement in healthcare. Response options are a Likert scale; linear transformation is used to put total scores onto a 0-100 scale, with higher numbers indicating greater activation. The total scores are then categorized into 3 categories: Low (0-79), Moderate (80-94), and High (\>94).

Countries

United States

Participant flow

Participants by arm

ArmCount
Usual Care
Usual care includes: 1) no specific materials to promote PrEP knowledge or uptake among women in primary care, and 2) variable physician counseling on PrEP among women with increased vulnerability to HIV.
100
The EMC2 PrEP Strategy
The EMC2 PrEP Strategy will utilize health information and consumer technologies to automatically deposit an interactive PrEP educational material into the patient portal of women with clinically indicated increased vulnerability to HIV. The material will: 1) promote PrEP knowledge, and 2) prompt discrete scheduling of a dedicated PrEP visit among those interested. EMC2 PrEP Educational Tool: Patients will receive an interactive PrEP Educational Tool. This interactive tool will be securely sent via the patient portal. After logging into their portal, patients will have the opportunity to review the information on their own time. Discrete Scheduling of a Dedicated PrEP Visit: Within the interactive PrEP Educational Tool, patients who choose to will have the opportunity to discretely schedule a dedicated PrEP visit with a primary care clinician trained on PrEP delivery. The clinician will have time reserved to allow for 'rapid' scheduling.
100
Total200

Baseline characteristics

CharacteristicTotalUsual CareThe EMC2 PrEP Strategy
Age, Continuous36.2 years
STANDARD_DEVIATION 10.3
36.1 years
STANDARD_DEVIATION 9.3
36.3 years
STANDARD_DEVIATION 11.2
Ethnicity (NIH/OMB)
Hispanic or Latino
31 Participants17 Participants14 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
169 Participants83 Participants86 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Household Income
$100,000 or more
93 Participants44 Participants49 Participants
Household Income
< $25,000
10 Participants7 Participants3 Participants
Household Income
$25,000-$49,999
30 Participants16 Participants14 Participants
Household Income
$50,000-$74,999
41 Participants20 Participants21 Participants
Household Income
$75,000-$99,999
25 Participants13 Participants12 Participants
Insurance Status
Medicaid
15 Participants11 Participants4 Participants
Insurance Status
Medicare
4 Participants2 Participants2 Participants
Insurance Status
Multiple
12 Participants5 Participants7 Participants
Insurance Status
Other
12 Participants5 Participants7 Participants
Insurance Status
Private or HMO
154 Participants75 Participants79 Participants
Insurance Status
Self-pay/No insurance
3 Participants2 Participants1 Participants
Marital Status
Divorced
16 Participants9 Participants7 Participants
Marital Status
Living with a partner
18 Participants11 Participants7 Participants
Marital Status
Married
58 Participants26 Participants32 Participants
Marital Status
Other
4 Participants0 Participants4 Participants
Marital Status
Separated
6 Participants1 Participants5 Participants
Marital Status
Single
96 Participants51 Participants45 Participants
Marital Status
Widowed
2 Participants2 Participants0 Participants
Race/Ethnicity, Customized
Race
Asian
14 Participants8 Participants6 Participants
Race/Ethnicity, Customized
Race
Black/African American
66 Participants31 Participants35 Participants
Race/Ethnicity, Customized
Race
Multiple
8 Participants7 Participants1 Participants
Race/Ethnicity, Customized
Race
Other
23 Participants10 Participants13 Participants
Race/Ethnicity, Customized
Race
White/Caucasian
89 Participants44 Participants45 Participants
Sex: Female, Male
Female
200 Participants100 Participants100 Participants
Sex: Female, Male
Male
0 Participants0 Participants0 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 00 / 0
other
Total, other adverse events
0 / 00 / 0
serious
Total, serious adverse events
0 / 00 / 0

Outcome results

Primary

PrEP Uptake (Use)

PrEP uptake will be measured during the intervention period between study arms to investigate the effects of the EMC2 PrEP strategy.

Time frame: 6 months

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Usual CarePrEP Uptake (Use)0 Participants
The EMC2 PrEP StrategyPrEP Uptake (Use)0 Participants
Secondary

Acceptability of the Strategy

Using 10-point Likert scale response options (1=very unsatisfied to 10=very satisfied), participants in the intervention group are asked to rate their satisfaction with the materials.

Time frame: 2-6 weeks

Population: Only the participants in the intervention group are asked to rate their satisfaction with the intervention materials. And 10 participants in the intervention group who read or view the material were asked about the satisfaction with the material.

ArmMeasureGroupValue (MEAN)Dispersion
The EMC2 PrEP StrategyAcceptability of the StrategySatisfaction of the appearance of the guide7.7 score on a scaleStandard Deviation 1.7
The EMC2 PrEP StrategyAcceptability of the StrategySatisfaction of the quality of the guide8.3 score on a scaleStandard Deviation 1.8
Secondary

Health Activation

A modified version of our team's 10-item Consumer Health Activation Index (CHAI) is used to assess participant's engagement in healthcare. Response options are a Likert scale; linear transformation is used to put total scores onto a 0-100 scale, with higher numbers indicating greater activation. The total scores are then categorized into 3 categories: Low (0-79), Moderate (80-94), and High (\>94).

Time frame: 2-6 weeks

ArmMeasureCategoryValue (COUNT_OF_PARTICIPANTS)
Usual CareHealth ActivationLow61 Participants
Usual CareHealth ActivationModerate30 Participants
Usual CareHealth ActivationHigh9 Participants
The EMC2 PrEP StrategyHealth ActivationLow64 Participants
The EMC2 PrEP StrategyHealth ActivationModerate30 Participants
The EMC2 PrEP StrategyHealth ActivationHigh6 Participants
Secondary

Health Literacy

CHEW health literacy is used to assess participant's health literacy level. Participants were asked three questions about difficulty in understanding medical materials and information, the options range from all of the time to none of the time. The responses of the three questions are then categorized into limited and adequate health literacy level. We used CHEW health literacy because the measure can be conducted over phone calls.

Time frame: 2-6 weeks

ArmMeasureCategoryValue (COUNT_OF_PARTICIPANTS)
Usual CareHealth LiteracyLimited22 Participants
Usual CareHealth LiteracyAdequate78 Participants
The EMC2 PrEP StrategyHealth LiteracyLimited20 Participants
The EMC2 PrEP StrategyHealth LiteracyAdequate80 Participants
Secondary

Perceived Risk of HIV

The 8-item Perceived Risk of HIV scale is used to assess how vulnerable an individual feels to HIV. The scale was developed in the United States and attention was paid to health literacy. Response options vary for each item, though they are measured on a 4-point Likert scale. Total score of 8 items is calculated and range from 10 to 40. Higher scores mean higher perceived risk of HIV.

Time frame: 2-6 weeks

ArmMeasureValue (MEAN)Dispersion
Usual CarePerceived Risk of HIV19.2 score on a scaleStandard Deviation 5.2
The EMC2 PrEP StrategyPerceived Risk of HIV19.1 score on a scaleStandard Deviation 4.6
Secondary

PrEP Attitudes

A PrEP Attitudes 5-items scale (Walsh, 2019) is used to assess attitudes toward PrEP, each item is measured on a 5-point Likert scale (1=strongly disagree to 5=strongly agree). A total score is calculated and range from 5 to 25. Higher scores mean more stigma towards PrEP use.

Time frame: 2-6 weeks

ArmMeasureValue (MEAN)Dispersion
Usual CarePrEP Attitudes11.2 score on a scaleStandard Deviation 4.4
The EMC2 PrEP StrategyPrEP Attitudes10.5 score on a scaleStandard Deviation 3.9
Secondary

PrEP Knowledge

A 10-item questionnaire, developed by the study team and the scientific literature, will be used to evaluate knowledge of pre-exposure prophylaxis among study participants. Correctly answered questions will be summed (0 to 10) for a total score. Higher scores will indicate greater PrEP knowledge.

Time frame: 2-6 weeks

ArmMeasureValue (MEAN)Dispersion
Usual CarePrEP Knowledge5.6 score on a scaleStandard Deviation 2.2
The EMC2 PrEP StrategyPrEP Knowledge7.5 score on a scaleStandard Deviation 2.5
Secondary

Process Measure

The participants in the intervention group were asked two questions about 1) whether they received a PrEP decision guide, and 2) did they read or review it, to assess the acceptability of the intervention material.

Time frame: 2-6 weeks

Population: Only participants in the intervention group were asked the questions. 43 participants have missing process measure data.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
The EMC2 PrEP StrategyProcess MeasureReceived PrEP decision guide in patient portal20 Participants
The EMC2 PrEP StrategyProcess MeasureReviewed the material after received10 Participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026