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Improving TelePrEP Initiation and Retention Outcomes in the US: The MISTR+ Study

9. september 2026 opdateret af: Aaron Siegler, Emory University
This study uses a rapid randomized controlled trial (RCT) design to examine HIV pre-exposure prophylaxis (PrEP) delivered through telehealth. This study will develop a knowledge base of small, effective changes to digital messaging and website design to improve telemedicine PrEP (telePrEP) provision for MISTR users in the United States.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

HIV pre-exposure prophylaxis (PrEP) is highly effective but levels of initiation are suboptimal. Low retention in PrEP care limits the impact of PrEP, and discontinuation is frequent among persons at continued high risk for HIV transmission. Telemedicine PrEP (telePrEP) is a promising mechanism for delivery to address challenges in PrEP initiation, retention, and reengagement.

This trial is framed by a learning healthcare systems (LHS) model, introduced by the Institute of Medicine over a decade ago. The LHS aims to establish a reciprocal cycle among clinical practice, data, and knowledge to continuously improve healthcare quality. LHS continuously generates and tests new interventions, learning what works best through systematic assessments such as clinical trials, quasi-experiments, and bringing successful interventions to scale.

Nudge-based interventions in healthcare have promising early results. Nudges are components of "choice architecture" that alter behavior in a predictable way and are easy to achieve. Nudges, such as text messages and other electronic prompts, have demonstrated impact on areas ranging from patient continuation in medical care and medication adherence to physician prescribing behavior. Nudges can be assessed through rapid randomized controlled trial (RCT) testing the original version against a single change (A/B testing). This approach is optimal to improve telehealth delivery because interventions can have no or very low costs and easily be tested with a rapid RCT approach.

To capitalize on the promise of telePrEP by improving initiation, retention, and re-engagement, the researchers propose an implementation project that will leverage rapid RCT to optimize PrEP delivery for 1/5th of all PrEP users in the United States. Emory University has established a collaboration and data use agreement with the largest national telePrEP provider, MISTR, which provides services at no out-of-pocket cost to all users. The Emory-MISTR agreement allows for transmission of limited datasets, which will allow Emory to receive all data needed for the trial. MISTR also has agreed to modify their platform to test the proposed interventions and scale ones that are efficacious.

Aim 1 will develop an evidence base to inform selection of a set of intervention candidates. Aim 2 will be rapid RCT which compare interventions that entail no marginal cost per additional user to the standard of care MISTR service. Aim 3 will be rapid RCT to assess the impact of several low-marginal cost interventions on PrEP initiation, retention, and re-engagement.

The interventions in this study are all designed to be small improvements to digital messaging and website design, based on the current MISTR system. This study does not involve collecting any additional information or data on MISTR users beyond what is already collected as part of their standard care in terms of intake surveys, website use data, and PrEP prescribing data. There is no active recruitment of participants and no direct contact with participants for the study.

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

223165

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Undersøgelse Kontakt Backup

Studiesteder

    • Georgia
      • Atlanta, Georgia, Forenede Stater, 30322
        • Emory University Rollins School of Public Health

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  • Adults aged >= 18 years
  • Individuals who use MISTR services
  • Reside in the United States

Exclusion Criteria:

  • Individuals who do not use MISTR services
  • Individuals who do not reside in the United States

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Sundhedstjenesteforskning
  • Tildeling: Ikke-randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Intervention Condition
Individuals using MISTR services receiving an intervention condition.
The exact intervention types will be determined based on Aim 1 data analyses that seek to identify the areas that could most benefit from intervention. Possible interventions to be tested include message content, message format, message time of day, and website design.
The exact intervention types will be determined based on Aim 1 data analyses that seek to identify the areas that could most benefit from intervention. Possible interventions to be tested include warm handoffs, personalized messages, and enhanced remote laboratory testing.
Aktiv komparator: Control Condition
Individuals using MISTR services receiving the standard of care.
MISTR users receive the current standard of care. The standard of care will be updated as impactful interventions are identified.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Number of Participants Initiating PrEP
Tidsramme: Through the intervention period (2 to 4 months)
PrEP initiation is defined as a participant receiving a mailed PrEP prescription from MISTR within two months of registration.
Through the intervention period (2 to 4 months)
Number of Participants with PrEP Retention
Tidsramme: Through the intervention period (2 to 4 months)
PrEP retention in care is defined as a successfully renewed and mailed PrEP prescription within plus or minus one month of the scheduled date for renewal.
Through the intervention period (2 to 4 months)
Number of Participants with PrEP Re-Engagement
Tidsramme: Through the intervention period (2 to 4 months)
PrEP re-engagement is defined as receiving a mailed PrEP prescription within two months of a re-engagement intervention being initiated.
Through the intervention period (2 to 4 months)

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Samarbejdspartnere

Efterforskere

  • Ledende efterforsker: Aaron Siegler, PhD, Emory University

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

1. marts 2027

Primær færdiggørelse (Anslået)

31. maj 2031

Studieafslutning (Anslået)

31. maj 2031

Datoer for studieregistrering

Først indsendt

9. september 2026

Først indsendt, der opfyldte QC-kriterier

9. september 2026

Først opslået (Faktiske)

16. september 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

16. september 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

9. september 2026

Sidst verificeret

1. september 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • 2026P001387
  • R01AI200775 (U.S. NIH-bevilling/kontrakt)

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

IPD-planbeskrivelse

The data are owned by a private company (MISTR). The researchers are accessing the data through a data use agreement that does not allow for sharing of individual level data. Study findings in aggregate form will be shared though publications and presentations.

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

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Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .