Low Rates of Virologic Failure and Acquired HIV-1 Drug Resistance Among Children in Cameroon: Evidence Following

Marie Laure Ndjolo Ada1,2, Joseph Fokam1,2,3,4,5, Nelly Kamgaing1,2,6

  • 1From the Faculty of Medicine and Biomedical Sciences, University of Yaoundé I.

Insights

Pediatric dolutegravir-based ART showed strong virologic response in Cameroonian children living with HIV. Combining effective ART with adherence support is key to advancing HIV elimination goals.

Area of Science:

  • Pediatric infectious diseases
  • HIV/AIDS research
  • Public health in sub-Saharan Africa

Background:

  • Virologic failure (VF) in children living with HIV (CLHIV) is a significant challenge in sub-Saharan Africa, with high rates observed in Cameroon.
  • The introduction of pediatric dolutegravir (pDTG)-based antiretroviral therapy (ART) presents a new approach to managing HIV in CLHIV.

Purpose of the Study:

  • To evaluate predictors of virologic response among CLHIV in Cameroon.
  • To assess the prevalence of HIV drug resistance (HIVDR) in CLHIV receiving pDTG-based ART.

Main Methods:

  • A facility-based longitudinal study was conducted from November 2022 to April 2023 in Yaoundé, Cameroon.
  • Plasma viral load (PVL) and HIVDR were assessed in CLHIV aged 0-10 years on pDTG-based ART.
  • VF was defined as two consecutive PVL ≥1000 copies/mL, with interventions including adherence counseling and support.

Main Results:

  • Out of 318 participants, 94.03% received pDTG-based ART. At enrollment, 11.6% of children had viral loads ≥1000 copies/mL, with higher odds associated with rural origins and poor adherence.
  • Following adherence support, only 3 out of 311 children (less than 1%) experienced VF.
  • HIVDR mutations were detected in less than 1% of children with VF.

Conclusions:

  • Children on pDTG-containing ART in Cameroon demonstrated a strong virologic response.
  • Integrating effective ART regimens with active adherence support strategies can contribute to sustained progress towards HIV elimination in children by 2030.
Abstract

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