Factors associated with adherence and viral suppression among patients on second-line antiretroviral therapy in an urban HIV program in Kenya

Objective: The aim of this study is to estimate the proportion of virologically suppressed People living with HIV on second-line ART and to identify factors associated with virologic suppression. With an increasing population of patients on complex second-line anti retroviral therapy (ART), understa...

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Main Authors: Rose Nyaboke, Habib Omari Ramadhani, Taylor Lascko, Patrick Awuor, Elvis Kirui, Emily Koech, Immaculate Mutisya, Carol Ngunu, Rebecca Wangusi
Format: Article
Language:English
Published: SAGE Publishing 2023-03-01
Series:SAGE Open Medicine
Online Access:https://doi.org/10.1177/20503121231162354
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author Rose Nyaboke
Habib Omari Ramadhani
Taylor Lascko
Patrick Awuor
Elvis Kirui
Emily Koech
Immaculate Mutisya
Carol Ngunu
Rebecca Wangusi
author_facet Rose Nyaboke
Habib Omari Ramadhani
Taylor Lascko
Patrick Awuor
Elvis Kirui
Emily Koech
Immaculate Mutisya
Carol Ngunu
Rebecca Wangusi
author_sort Rose Nyaboke
collection DOAJ
description Objective: The aim of this study is to estimate the proportion of virologically suppressed People living with HIV on second-line ART and to identify factors associated with virologic suppression. With an increasing population of patients on complex second-line anti retroviral therapy (ART), understanding the factors associated with viral suppression and adherence is critical for ensured longevity of ART. Methods: A retrospective study was conducted of patients on second-line ART in 17 facilities supported by University of Maryland, Baltimore, in Nairobi, Kenya, covering the period beginning October 2016 up to August 2019. Viral suppression was defined as viral load <1000 copies/mL in a test conducted in the last 12 months. Adherence was assessed through self-reports and classified as optimal (good) or suboptimal (inadequate/poor). Associations were presented as adjusted risk ratios with 95% confidence intervals. Statistical significance was considered when p value ⩽0.05. Results: Of 1100 study participants with viral load data, 974 (88.5%) reported optimal adherence while on first-line ART and 1029 (93.5%) reported optimal adherence to second-line ART. Overall, viral load suppression on second-line ART was 90%. Optimal adherence ((adjusted risk ratio) 1.26; 95% confidence interval 1.09–1.46)) and age 35–44 versus 15–24 years ((adjusted risk ratio) 1.06; 95% confidence interval 1.01–1.13)) were associated with viral suppression . Adherence to first-line ART ((adjusted risk ratio) 1.19; 95% confidence interval 1.02–1.40)) was associated with adherence to second-line ART. Conclusion: Viral suppression remains high and adherence was strongly associated with viral suppression, underscoring the need to adequately address the barriers to adherence before switching regimens.
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spelling doaj.art-07e586df2ff942698f638ca854996d232023-03-28T11:04:12ZengSAGE PublishingSAGE Open Medicine2050-31212023-03-011110.1177/20503121231162354Factors associated with adherence and viral suppression among patients on second-line antiretroviral therapy in an urban HIV program in KenyaRose Nyaboke0Habib Omari Ramadhani1Taylor Lascko2Patrick Awuor3Elvis Kirui4Emily Koech5Immaculate Mutisya6Carol Ngunu7Rebecca Wangusi8CIHEB Kenya, Nairobi, KenyaIHV, University of Maryland School of Medicine, Baltimore, MD, USAIHV, University of Maryland School of Medicine, Baltimore, MD, USACIHEB Kenya, Nairobi, KenyaAmref Health Africa, Nairobi, KenyaCIHEB Kenya, Nairobi, KenyaCDC Kenya, Division of Global HIV & TB (DGHT), US Centers for Disease Control and Prevention (CDC), Nairobi, KenyaNairobi County-MOH, Nairobi Metropolitan Services, Nairobi, KenyaCIHEB Kenya, Nairobi, KenyaObjective: The aim of this study is to estimate the proportion of virologically suppressed People living with HIV on second-line ART and to identify factors associated with virologic suppression. With an increasing population of patients on complex second-line anti retroviral therapy (ART), understanding the factors associated with viral suppression and adherence is critical for ensured longevity of ART. Methods: A retrospective study was conducted of patients on second-line ART in 17 facilities supported by University of Maryland, Baltimore, in Nairobi, Kenya, covering the period beginning October 2016 up to August 2019. Viral suppression was defined as viral load <1000 copies/mL in a test conducted in the last 12 months. Adherence was assessed through self-reports and classified as optimal (good) or suboptimal (inadequate/poor). Associations were presented as adjusted risk ratios with 95% confidence intervals. Statistical significance was considered when p value ⩽0.05. Results: Of 1100 study participants with viral load data, 974 (88.5%) reported optimal adherence while on first-line ART and 1029 (93.5%) reported optimal adherence to second-line ART. Overall, viral load suppression on second-line ART was 90%. Optimal adherence ((adjusted risk ratio) 1.26; 95% confidence interval 1.09–1.46)) and age 35–44 versus 15–24 years ((adjusted risk ratio) 1.06; 95% confidence interval 1.01–1.13)) were associated with viral suppression . Adherence to first-line ART ((adjusted risk ratio) 1.19; 95% confidence interval 1.02–1.40)) was associated with adherence to second-line ART. Conclusion: Viral suppression remains high and adherence was strongly associated with viral suppression, underscoring the need to adequately address the barriers to adherence before switching regimens.https://doi.org/10.1177/20503121231162354
spellingShingle Rose Nyaboke
Habib Omari Ramadhani
Taylor Lascko
Patrick Awuor
Elvis Kirui
Emily Koech
Immaculate Mutisya
Carol Ngunu
Rebecca Wangusi
Factors associated with adherence and viral suppression among patients on second-line antiretroviral therapy in an urban HIV program in Kenya
SAGE Open Medicine
title Factors associated with adherence and viral suppression among patients on second-line antiretroviral therapy in an urban HIV program in Kenya
title_full Factors associated with adherence and viral suppression among patients on second-line antiretroviral therapy in an urban HIV program in Kenya
title_fullStr Factors associated with adherence and viral suppression among patients on second-line antiretroviral therapy in an urban HIV program in Kenya
title_full_unstemmed Factors associated with adherence and viral suppression among patients on second-line antiretroviral therapy in an urban HIV program in Kenya
title_short Factors associated with adherence and viral suppression among patients on second-line antiretroviral therapy in an urban HIV program in Kenya
title_sort factors associated with adherence and viral suppression among patients on second line antiretroviral therapy in an urban hiv program in kenya
url https://doi.org/10.1177/20503121231162354
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