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A Study of Doravirine/Islatravir (DOR/ISL, MK-8591A) for the Treatment of Human Immunodeficiency Virus 1 (HIV-1) Infection in Participants Who Previously Received DOR/ISL (MK-8591A-054)

Merck Sharp & Dohme (MSD) logo

Merck Sharp & Dohme (MSD)

Status and phase

Active, not recruiting
Phase 3

Conditions

HIV Infection

Treatments

Drug: DOR/ISL

Study type

Interventional

Funder types

Industry

Identifiers

NCT05766501
8591A-054
2022-502126-40-00 (Registry Identifier)
MK-8591A-054 (Other Identifier)
jRCT2051230002 (Registry Identifier)

Details and patient eligibility

About

The purpose of this study is to evaluate the safety and tolerability of DOR/ISL in adult participants with HIV-1 who had been previously treated with DOR/ISL in earlier clinical studies. There are no formal hypotheses to be tested in this study.

Enrollment

650 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Is currently receiving doravirine/islatravir (DOR/ISL) adult fixed dose combination (FDC) tablet in Merck Sharp & Dohme (MSD)-sponsored clinical studies (MK-8591A-017, -018, -020, and -033 [except for heavily treatment-experienced (HTE) participants]).

Exclusion criteria

  • Has confirmed HIV-1 RNA ≥200 copies/mL in MSD DOR/ISL (100 mg/0.75 mg) MK-8591A-017 /-018 /-020, or at screening for participants entering from DOR/ISL (100 mg/0.75 mg) MK-8591A-033.
  • Has confirmatory laboratory findings for cluster of differentiation 4+ (CD4+) T-cell counts or lymphocyte counts in the prior DOR/ISL study that meet criteria for discontinuation of DOR/ISL.
  • Is a HTE participant receiving treatment in MK-8591A-019 or -033.

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

650 participants in 1 patient group

DOR/ISL
Experimental group
Description:
Participants will receive fixed dose combination (FDC) tablet of DOR/ISL (100 mg/0.25 mg) taken once daily (QD) orally from Day 1 to Week 96. After Week 96, eligible participants may continue on DOR/ISL until week 240 or until DOR/ISL becomes commercially accessible, whichever comes first.
Treatment:
Drug: DOR/ISL

Trial contacts and locations

95

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Central trial contact

Toll Free Number

Data sourced from clinicaltrials.gov

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