The 96-week outcomes and pharmacokinetics of long-acting cabotegravir plus rilpivirine in South Africans

Background: Evaluating long-term efficacy, safety and pharmacokinetics of long-acting cabotegravir + rilpivirine (CAB+RPV LA) in sub-Saharan African populations is important because of the region’s unique demographics and antiretroviral therapy resistance patterns. Objectives: To describe the 96-we...

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Main Authors: Rosie Mngqibisa, Yashna Singh, Catherine Orrell, Johan Lombaard, Sandy Griffith, Conn Harrington, Ronald D’Amico, William Spreen, Marty St Clair, Christine Latham, Louise Garside, Rodica Van Solingen-Ristea, Veerle Van Eygen, Fafa Addo Boateng, Herta Crauwels, Prosperity Eneh, Ingrid Eshun-Wilsonova
Format: Article
Language:English
Published: AOSIS 2025-07-01
Series:Southern African Journal of HIV Medicine
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Online Access:https://sajhivmed.org.za/index.php/hivmed/article/view/1709
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author Rosie Mngqibisa
Yashna Singh
Catherine Orrell
Johan Lombaard
Sandy Griffith
Conn Harrington
Ronald D’Amico
William Spreen
Marty St Clair
Christine Latham
Louise Garside
Rodica Van Solingen-Ristea
Veerle Van Eygen
Fafa Addo Boateng
Herta Crauwels
Prosperity Eneh
Ingrid Eshun-Wilsonova
author_facet Rosie Mngqibisa
Yashna Singh
Catherine Orrell
Johan Lombaard
Sandy Griffith
Conn Harrington
Ronald D’Amico
William Spreen
Marty St Clair
Christine Latham
Louise Garside
Rodica Van Solingen-Ristea
Veerle Van Eygen
Fafa Addo Boateng
Herta Crauwels
Prosperity Eneh
Ingrid Eshun-Wilsonova
author_sort Rosie Mngqibisa
collection DOAJ
description Background: Evaluating long-term efficacy, safety and pharmacokinetics of long-acting cabotegravir + rilpivirine (CAB+RPV LA) in sub-Saharan African populations is important because of the region’s unique demographics and antiretroviral therapy resistance patterns. Objectives: To describe the 96-week efficacy, safety and pharmacokinetics of CAB+RPV LA in South African participants from the pooled FLAIR and ATLAS-2M Phase 3/3b randomised studies. Method: Primary endpoint: proportion of participants with plasma HIV-1 RNA levels ≥ 50 copies/mL at Week 96. Secondary endpoints: proportion of participants with plasma HIV-1 RNA levels 50 copies/mL, confirmed virological failure (CVF; two consecutive plasma HIV-1 RNA ≥ 200 copies/mL), adverse events and pharmacokinetics. Results: Sixty-six participants were included, (CAB+RPV LA, n = 49; current oral antiretroviral regimen [CAR], n = 17). Forty-five (92%) on CAB+RPV LA and 15 (88%) on CAR maintained HIV-1 RNA levels 50 copies/mL. At Week 96, two participants, one in each arm, had CVF. Ninety per cent on CAB+RPV LA and 76% on CAR of participants experienced an adverse event; six (12%) of which were drug-related (CAB+RPV LA: n = 6). Injection-site reactions were common (78% [Grade 1: 80%; Grade 2: 20%]). CAB and RPV trough plasma concentrations remained above respective in vitro protein-adjusted 90% inhibitory concentrations following all doses. Conclusion: This subgroup analysis of South African participants demonstrated durable efficacy, acceptable safety profile and pharmacokinetics of injectable CAB+RPV LA up to 96 weeks, consistent with long-term data from other regions and studies.
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spelling doaj-art-a82018ca1f3e4264a3edd9ec4722090b2025-08-20T03:42:44ZengAOSISSouthern African Journal of HIV Medicine1608-96932078-67512025-07-01261e1e710.4102/sajhivmed.v26i1.1709912The 96-week outcomes and pharmacokinetics of long-acting cabotegravir plus rilpivirine in South AfricansRosie Mngqibisa0Yashna Singh1Catherine Orrell2Johan Lombaard3Sandy Griffith4Conn Harrington5Ronald D’Amico6William Spreen7Marty St Clair8Christine Latham9Louise Garside10Rodica Van Solingen-Ristea11Veerle Van Eygen12Fafa Addo Boateng13Herta Crauwels14Prosperity Eneh15Ingrid Eshun-Wilsonova16Ward D1, Enhancing Care Foundation, Wentworth Hospital, DurbanDesmond Tutu HIV Centre, Institute of Infectious Diseases and Molecular Medicine, Department of Medicine, University of Cape Town, Cape TownDesmond Tutu HIV Centre, Institute of Infectious Diseases and Molecular Medicine, Department of Medicine, University of Cape Town, Cape TownJosha Research, BloemfonteinViiV Healthcare, Durham, North CarolinaViiV Healthcare, Durham, North CarolinaViiV Healthcare, Durham, North CarolinaViiV Healthcare, Durham, North CarolinaViiV Healthcare, DurhamViiV Healthcare, Durham, North CarolinaPhastar, LondonThe Janssen Pharmaceutical Companies of Johnson and Johnson, BeerseThe Janssen Pharmaceutical Companies of Johnson and Johnson, BeerseJohnson & Johnson Middle East, FZ-LLC, AccraThe Janssen Pharmaceutical Companies of Johnson and Johnson, BeerseJanssen Scientific Affairs, LLC, Titusville, New JerseyThe Janssen Pharmaceutical Companies of Johnson & Johnson, Cape TownBackground: Evaluating long-term efficacy, safety and pharmacokinetics of long-acting cabotegravir + rilpivirine (CAB+RPV LA) in sub-Saharan African populations is important because of the region’s unique demographics and antiretroviral therapy resistance patterns. Objectives: To describe the 96-week efficacy, safety and pharmacokinetics of CAB+RPV LA in South African participants from the pooled FLAIR and ATLAS-2M Phase 3/3b randomised studies. Method: Primary endpoint: proportion of participants with plasma HIV-1 RNA levels ≥ 50 copies/mL at Week 96. Secondary endpoints: proportion of participants with plasma HIV-1 RNA levels 50 copies/mL, confirmed virological failure (CVF; two consecutive plasma HIV-1 RNA ≥ 200 copies/mL), adverse events and pharmacokinetics. Results: Sixty-six participants were included, (CAB+RPV LA, n = 49; current oral antiretroviral regimen [CAR], n = 17). Forty-five (92%) on CAB+RPV LA and 15 (88%) on CAR maintained HIV-1 RNA levels 50 copies/mL. At Week 96, two participants, one in each arm, had CVF. Ninety per cent on CAB+RPV LA and 76% on CAR of participants experienced an adverse event; six (12%) of which were drug-related (CAB+RPV LA: n = 6). Injection-site reactions were common (78% [Grade 1: 80%; Grade 2: 20%]). CAB and RPV trough plasma concentrations remained above respective in vitro protein-adjusted 90% inhibitory concentrations following all doses. Conclusion: This subgroup analysis of South African participants demonstrated durable efficacy, acceptable safety profile and pharmacokinetics of injectable CAB+RPV LA up to 96 weeks, consistent with long-term data from other regions and studies.https://sajhivmed.org.za/index.php/hivmed/article/view/1709clinical trialsphase 3viral suppressionresistancetreatmentafricaadherencearv
spellingShingle Rosie Mngqibisa
Yashna Singh
Catherine Orrell
Johan Lombaard
Sandy Griffith
Conn Harrington
Ronald D’Amico
William Spreen
Marty St Clair
Christine Latham
Louise Garside
Rodica Van Solingen-Ristea
Veerle Van Eygen
Fafa Addo Boateng
Herta Crauwels
Prosperity Eneh
Ingrid Eshun-Wilsonova
The 96-week outcomes and pharmacokinetics of long-acting cabotegravir plus rilpivirine in South Africans
Southern African Journal of HIV Medicine
clinical trials
phase 3
viral suppression
resistance
treatment
africa
adherence
arv
title The 96-week outcomes and pharmacokinetics of long-acting cabotegravir plus rilpivirine in South Africans
title_full The 96-week outcomes and pharmacokinetics of long-acting cabotegravir plus rilpivirine in South Africans
title_fullStr The 96-week outcomes and pharmacokinetics of long-acting cabotegravir plus rilpivirine in South Africans
title_full_unstemmed The 96-week outcomes and pharmacokinetics of long-acting cabotegravir plus rilpivirine in South Africans
title_short The 96-week outcomes and pharmacokinetics of long-acting cabotegravir plus rilpivirine in South Africans
title_sort 96 week outcomes and pharmacokinetics of long acting cabotegravir plus rilpivirine in south africans
topic clinical trials
phase 3
viral suppression
resistance
treatment
africa
adherence
arv
url https://sajhivmed.org.za/index.php/hivmed/article/view/1709
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