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Designing a blockchain technology platform for enhancing the pre-exposure prophylaxis care continuum.

Anjum Khurshid1, Daniel Toshio Harrell1,2, Dennis Li3

  • 1Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA 02215, United States.

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Summary

A new blockchain platform, PrEPLinker, improves pre-exposure prophylaxis (PrEP) care by enhancing data coordination and client control. This technology addresses barriers to PrEP uptake, aiming to reduce HIV transmission.

Keywords:
HIV prevention interventionPrEP care continuumblockchain technologyself-sovereign identityverifiable credentials

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Area of Science:

  • Digital Health
  • Blockchain Technology
  • Public Health Interventions

Background:

  • Pre-exposure prophylaxis (PrEP) is crucial for HIV prevention but faces challenges due to fragmented healthcare systems and poor data coordination.
  • Systemic barriers impede efficient PrEP delivery, affecting patient access and adherence.

Purpose of the Study:

  • To design PrEPLinker, a client-centered, blockchain-based platform to improve PrEP care coordination and data management.
  • To enhance client control over identity and health data within the PrEP continuum.

Main Methods:

  • A needs assessment was conducted in Houston, Texas, to identify PrEP workflow barriers.
  • PrEPLinker was developed using a blockchain identity framework with self-sovereign identity and verifiable credentials (VCs).
  • Preliminary usability testing involved 15 participants to evaluate the platform's ease of use and security.

Main Results:

  • Needs assessment revealed significant gaps in data exchange for PrEP referrals and follow-ups.
  • PrEPLinker incorporates decentralized identifiers and VCs for secure medical record transfer.
  • Usability testing showed over 70% positive ratings for design and ease of use, with over 80% confidence in secure data management.

Conclusions:

  • Blockchain technology offers a client-centered solution to improve data coordination, security, and client control in PrEP care.
  • PrEPLinker demonstrates potential to streamline PrEP processes and enhance data management.
  • These advancements can improve PrEP uptake and adherence, contributing to reduced HIV transmission.