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Recruiting Phase 3 NCT07071623

NCT07071623 A Study of MK-8527 to Prevent Human Immunodeficiency Virus Type 1 (HIV-1) (MK-8527-010)

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Clinical Trial Summary
NCT ID NCT07071623
Status Recruiting
Phase Phase 3
Sponsor Merck Sharp & Dohme LLC
Condition Human Immunodeficiency Virus (HIV)
Study Type INTERVENTIONAL
Enrollment 4,580 participants
Start Date 2025-11-10
Primary Completion 2027-10-18

Eligibility & Interventions

Sex Female only
Min Age 16 Years
Max Age 30 Years
Study Type INTERVENTIONAL
Interventions
MK-8527Emtricitabine/tenofovir disoproxil (FTC/TDF)Placebo matched to MK-8527

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

Phase 3 trials are large pivotal studies comparing the treatment to current standard of care or placebo. Your participation directly contributes to the evidence needed for regulatory approval.

This trial targets 4,580 participants in total. It began in 2025-11-10 with a primary completion date of 2027-10-18.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

Researchers are looking for new medicines to prevent HIV-1 (Human Immunodeficiency Virus Type 1) infection. The goals of this study are to learn: * If taking MK-8527 once a month works to prevent HIV-1 infection better than a standard (usual) pre-exposure prophylaxis (PrEP) taken once a day * About the safety of MK-8527 and if people tolerate it

Eligibility Criteria

Inclusion Criteria: The main inclusion criteria include but are not limited to the following: * Is confirmed Human Immunodeficiency Virus (HIV)-uninfected based on negative HIV-1/HIV-2 test results * Has been sexually active (2 vaginal intercourse encounters with cisgender male individual(s) within the last 3 months) * Was assigned female sex at birth and is cisgender. * Weighs ≥35 kg Exclusion Criteria: The main exclusion criteria include but are not limited to the following: * Has hypersensitivity or other contraindication to any component of the study interventions * Has evidence of acute or chronic hepatitis B infection * Has a history of malignancy within 5 years of screening except for adequately treated basal cell or squamous cell skin cancer, or in situ cervical cancer * Has taken cabotegravir, lenacapavir, or any other long-acting HIV prevention product at any time * Is receiving or is anticipated to require any prohibited therapies from 30 days prior to Day 1 through the study duration * Has received an HIV vaccine at any time (ie, through past participation in an investigational clinical study) or monoclonal antibodies to HIV within 12 months before Day 1

Contact & Investigator

Central Contact

Toll Free Number

✉ Trialsites@msd.com

📞 1-888-577-8839

Principal Investigator

Medical Director

STUDY DIRECTOR

Merck Sharp & Dohme LLC

Frequently Asked Questions

Who can join the NCT07071623 clinical trial?

This trial is open to female participants only, aged 16 Years or older, up to 30 Years, studying Human Immunodeficiency Virus (HIV). Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

What phase is the NCT07071623 trial and what does that mean for participants?

Phase 3 trials are large-scale studies comparing the new treatment to existing standards of care or a placebo. They provide the evidence needed for regulatory approval. This trial targets 4,580 participants.

Is NCT07071623 currently recruiting?

Yes, NCT07071623 is actively recruiting participants. Contact the research team at Trialsites@msd.com for enrollment information.

Where is the NCT07071623 trial being conducted?

This trial is being conducted at Homabay County, Kenya, Thika, Kenya, Nairobi, Kenya, Kisumu, Kenya and 11 additional locations.

Who is sponsoring the NCT07071623 clinical trial?

NCT07071623 is sponsored by Merck Sharp & Dohme LLC. The principal investigator is Medical Director at Merck Sharp & Dohme LLC. The trial plans to enroll 4,580 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology