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NCT Number: NCT07473778

Implementation Study of Lenacapavir Pre-exposure Prophylaxis for HIV Prevention

The goal of this observational study is to generate real-life information on the use of lenacapavir (LEN, YEZTUGO®, (YTG)) for pre-exposure prophylaxis (PrEP) across diverse clinical settings in the United States. The study will characterize how PrEP is initiated, used, and discontinued in routine clinical practice when LEN is added as PrEP option and will evaluate persistence on LEN PrEP.

The primary objective of this study is to evaluate real-life persistence on LEN PrEP at Week 52 in diverse clinical settings in the United States.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

UAB 1917 Research Clinic, Birmingham, Alabama, United States

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Who can participate

Only the study team can determine whether someone qualifies for participation.

Key Inclusion Criteria:

  • Able to comprehend and provide a signed written informed consent, which must be obtained prior to initiation of screening study procedures;
  • Willing and able to comply with all study requirements;
  • Presents at a study site needing or wanting PrEP for HIV prevention as determined by local clinical practice guidelines and institutional protocols, including new PrEP users (PrEP naïve) and current or former users of oral (emtricitabine/tenofovir disoproxil fumarate (coformulated; Truvada®; F/TDF) or emtricitabine/tenofovir alafenamide (coformulated; Descovy®; F/TAF)) or injectable (LEN or cabotegravir (CAB)) PrEP who indicate interest in discussing PrEP methods that they are clinically eligible to receive;
  • Eligible for LEN PrEP per standard of care procedures, for example, being HIV-1 negative at screening using a Food and Drug Administration (FDA) approved/cleared test for diagnosis of acute or primary HIV-1 infection;
  • After PrEP counseling to learn about the advantages and disadvantages of various PrEP methods:
  • Selects LEN PrEP as their chosen PrEP method; OR,
  • Selects a different PrEP method or chooses not to start or continue PrEP.

Key Exclusion Criteria:

  • Any other indication not already listed above that would make the participant ineligible for LEN PrEP at enrollment according to local guidelines, organizational protocols, US Prescribing Information (USPI) for the PrEP product, and/or Center for Disease and Control (CDC) guidance.

Note: Other protocol defined Inclusion/Exclusion criteria may apply.

Treatment and study plan

Lenacapavir Injection

Drug

Administered via subcutaneous (SC) injection

Other names: YEZTUGO®

Emtricitabine/Tenofovir Disoproxil Fumarate (F/TDF)

Drug

Tablets administered orally

Other names: Truvada®

Emtricitabine/tenofovir alafenamide (F/TAF)

Drug

Tablets administered orally

Other names: Descovy®

Cabotegravir (CAB)

Drug

Administered via intramuscular (IM) injection

Other names: CAB

Lenacapavir Tablet

Drug

Administered orally

Primary outcomes

  1. Proportion of Participants with LEN PrEP Persistence at Week 52

    Time frame: Week 52

    LEN PrEP persistence at Week 52 is defined as the proportion of participants receiving a LEN injection at enrollment who had an on-time injection at Week 26 and an on-time Week 52 visit ('on time' is defined as ≤ 28 weeks from the last injection).

Secondary outcomes

  1. Uptake of PrEP: Proportion of Participants Who Decided to Use PrEP at Enrollment (Baseline) and Different Types of PrEP

    Time frame: Baselines (Day 1, date of the first LEN/CAB injection or oral PrEP prescription)

  2. PrEP Persistence: Proportion of Participants who Persistently Used PrEP at Weeks 26, 78 and 104, Overall and by PrEP Type

    Time frame: Up to Week 104

  3. PrEP Coverage: Proportion of Days Protected by PrEP at Weeks 26, 52, 78, and 104, Overall and by PrEP Type

    Time frame: Up to Week 104

  4. PrEP Persistence: Mean Duration of PrEP Use

    Time frame: Up to Week 104

  5. PrEP Continuation: Proportion of Participants who Continued to Use PrEP at Week 26, 52, 78, and 104, Overall and Specific Types of PrEP

    Time frame: Up to Week 104

  6. PrEP Interruptions Assessed by Proportion of Participants who Adopted/Continued PrEP at Enrollment and Experienced Interruptions at Different Time Points at Week 26, 52, 78, and 104

    Time frame: Up to Week 104

  7. PrEP Interruptions Assessed by Proportion of Participants who Needed one or More LEN PrEP Re-initiations who Adopted/Continued LEN PrEP at Enrollment, at Week 26, 52, 78, and 104

    Time frame: Up to Week 104

  8. PrEP Interruptions Assessed by Time Between Injections for Participants Initiating LEN PrEP who had to Re-initiate LEN PrEP

    Time frame: Week 26, Week 52, Week 78, and Week 104

  9. Switching (Any Switch): Proportion of Participants Who Use any PrEP Method Different from the PrEP Method Adopted/Continued at Enrollment, at Weeks 26, 52, 78, and 104

    Time frame: Week 26, Week 52, Week 78, and Week 104

  10. Switch (Switch to LEN PreP): Proportion of Participants Switching to LEN PrEP among Participants who did not Initiate LEN PrEP at Enrollment, at Weeks 26, 52, 78, and 104

    Time frame: Week 26, Week 52, Week 78, and Week 104

  11. Time to First LEN Injection: Days From Enrollment and Choice of LEN PrEP to First Dose of LEN Injection as PrEP

    Time frame: Up to Week 104

  12. Proportion of Participants with Receipt of First LEN PrEP Injection on the Same Day as Enrollment in the Study

    Time frame: Enrollment up to Week 104

Study contacts

Contact information is provided by the study sponsor or research team.

Gilead Clinical Study Information Center

CONTACT

[email protected]

1-833-445-3230 (GILEAD-0)

Sponsors and collaborators

Lead sponsor

Gilead Sciences

Industry

Registry information

Official study title

Pioneering Research to Optimize Pre-exposure Prophylaxis (PrEP) Expansion With Lenacapavir (LEN)

Acronym: PROPEL

Important dates

Study start
2026
Primary completion
2028
Study completion
2029
First posted
Mar 16, 2026
Registry last updated
Jul 23, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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