Under construction – not a live service
Sign in
Taking people in BrazilPhase 3

Tests two HIV medicine combinations in people with HIV and tuberculosis

Tests dolutegravir with lamivudine in people with HIV and tuberculosis.

Plain-language title generated from the registry record
Registry title: Dolutegravir/Lamivudine Dual Therapy for ART-naïve People With HIV and TB Receiving Rifampin-based TB Treatment

Key facts

Where
Manaus, Natal, Rio de Janeiro, and Salvador, BrazilSee the 5 sites
Phase
Phase 3

Could this be for you?

Answer for yourself. This is not a decision: only the study team can say whether you can take part.

  • Are you between 15 and 99 years old?

Source: NCT06497465, who can take part

Where in Brazil

  • Instituto Tropical de Doenças Infecciosas ManausManaus, BrazilTaking people
  • CePClin - Center for Studies and Research in Infectious Diseases LtdaNatal, BrazilTaking people
  • FIOCruzRio de Janeiro, BrazilTaking people
  • Hospital Geral de Nova IguaçuRio de Janeiro, BrazilTaking people
  • Universidade Federal da BahiaSalvador, BrazilTaking people

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?
Print a page for my doctor

Trial details

Who runs it
Johns Hopkins University
Trial code
NCT06497465
Record updated
11 September 2026
Original description
This will be a Phase IIIb Clinical Trial, an international multicenter, randomized, three-arm, non-comparative trial of efficacy, safety, and tolerability of the dual therapy regimen dolutegravir plus lamivudine either twice daily or DTG/3TC ( Dovato) in the morning +dolutegravir (DTG) in the evening, versus standard of care (SOC) twice-daily dolutegravir plus 2 once-daily Nucleoside reverse-transcriptase inhibitors (NRTIs) tenofovir disoproxil fumarate /lamivudine (TDF/3TC), among antiretroviral therapy (ART)-nave individuals with HIV-1 receiving rifampin-based TB therapyRead full original descriptionShow less

Dolutegravir Plus Lamivudine (DTG/3TC) Dual Therapy Versus Dolutegravir With TDF-lamivudine (DTG + TDF/3TC) Among Antiretroviral naïve People With HIV and TB Receiving Rifampin-based TB Treatment

This will be a Phase IIIb Clinical Trial, an international multicenter, randomized, three-arm, non-comparative trial of efficacy, safety, and tolerability of the dual therapy regimen dolutegravir plus lamivudine either twice daily or DTG/3TC ( Dovato) in the morning +dolutegravir (DTG) in the evening, versus standard of care (SOC) twice-daily dolutegravir plus 2 once-daily Nucleoside reverse-transcriptase inhibitors (NRTIs) tenofovir disoproxil fumarate /lamivudine (TDF/3TC), among antiretroviral therapy (ART)-nave individuals with HIV-1 receiving rifampin-based TB therapy

Inclusion: Documentation of HIV-1 status: HIV-1 infection, documented by any licensed rapid HIV test or HIV-1 enzyme or chemiluminescence immunoassay (E/CIA) test kit at any time prior to entry and confirmed by a licensed Western blot or a second antibody test by a method other than the initial rapid HIV and/or E/CIA, or by HIV-1 antigen, or plasma HIV 1 RNA viral load. Two or more HIV-1 RNA viral loads of >1,000 copies/mL are also acceptable as documentation of HIV-1 infection; CD4+ cell count ≥50 cells/mm3 obtained within 30 days prior to study entry; HIV-1 viral load ≥1000 copies/mL; ART-naïve; Documentation of pulmonary TB identified by:; At least one sputum specimen positive for M. tuberculosis by molecular TB assay (Xpert) or line probe assay [LPA]), and RIF resistance not detected; OR Culture positive for MTB OR Positive Urinary Lipoarabinomannan (LAM) testing OR Clinical diagnosis of tuberculosis with no microbiological confirmation.

Exclusion: Pregnant, or plans to become pregnant.

ClinicalTrials.gov NCT06497465