Characteristics of 2-drug regimen users living with HIV-1 in a real-world setting: A large-scale medical claim database analysis in Japan.

<h4>Background</h4>Regimen simplification to 2-drug antiretroviral therapy (2-ART) may address potential tolerability issues, increase adherence, and reduce toxicity and potential drug-drug-interactions among people living with HIV-1 (PLWH). However, real-world treatment patterns and cha...

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Main Authors: Daniel J Ruzicka, Mayuko Kamakura, Naho Kuroishi, Nobuyuki Oshima, Miyuki Yamatani, Jingbo Yi, Bruce Crawford, Kunihisa Tsukada, Shinichi Oka
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2022-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0269779
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author Daniel J Ruzicka
Mayuko Kamakura
Naho Kuroishi
Nobuyuki Oshima
Miyuki Yamatani
Jingbo Yi
Bruce Crawford
Kunihisa Tsukada
Shinichi Oka
author_facet Daniel J Ruzicka
Mayuko Kamakura
Naho Kuroishi
Nobuyuki Oshima
Miyuki Yamatani
Jingbo Yi
Bruce Crawford
Kunihisa Tsukada
Shinichi Oka
author_sort Daniel J Ruzicka
collection DOAJ
description <h4>Background</h4>Regimen simplification to 2-drug antiretroviral therapy (2-ART) may address potential tolerability issues, increase adherence, and reduce toxicity and potential drug-drug-interactions among people living with HIV-1 (PLWH). However, real-world treatment patterns and characteristics of 2-ART users are unclear.<h4>Methods</h4>This retrospective observational cohort study employed a large-scale medical claim database of Japanese hospitals to extract data on 4,293 PLWH aged ≥18 years with diagnosis of HIV and treated with any ART regimens between April 2008 and April 2019. A 2-ART cohort was compared with a 3-drug antiretroviral therapy (3-ART) cohort in terms of population characteristics, comorbid conditions, and treatment patterns. Treatment switching rates were calculated for each cohort followed by sensitivity analysis to confirm the robustness of the findings.<h4>Results</h4>There were 94 individuals identified in the 2-ART cohort. Compared to the standard 3-ART cohort (n = 3,993), the 2-ART cohort was older (median age 53 [IQR 44-64] vs 42 years [IQR 35-50]), with a lower proportion of males (87.2% vs 93.8%), higher Charlson Comorbidity Index (CCI) (median score 6 [IQR 5-8] vs 5 [IQR 4-6]), more co-medications (median 6 [IQR 4-11] vs 3 [IQR 2-7]), and a higher percentage of AIDS-defining conditions (66.0% vs 42.8%). The most common 2-ART were protease inhibitor (PI) + integrase strand transfer inhibitor (INSTI) and non-nucleoside reverse transcriptase inhibitor (NNRTI) + INSTI (33.0% and 31.9%, respectively). Overall, most of the regimens were nucleoside reverse transcriptase inhibitor (NRTI)-sparing (71.3%), with a decreasing trend over time (76.2% to 70.2%). ART regimen switch occurred more often in the 2-ART cohort than in the 3-ART cohort (33.0% vs 21.2%).<h4>Conclusion</h4>The profiles of individuals on 2-ART in Japan were demonstrated to be complex. Most were treated with NRTI-sparing regimens which may reflect an effort to reduce treatment-related toxicities.
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spelling doaj.art-a157af83a7724ebc84d7e5f2e00db99b2022-12-22T01:52:48ZengPublic Library of Science (PLoS)PLoS ONE1932-62032022-01-01176e026977910.1371/journal.pone.0269779Characteristics of 2-drug regimen users living with HIV-1 in a real-world setting: A large-scale medical claim database analysis in Japan.Daniel J RuzickaMayuko KamakuraNaho KuroishiNobuyuki OshimaMiyuki YamataniJingbo YiBruce CrawfordKunihisa TsukadaShinichi Oka<h4>Background</h4>Regimen simplification to 2-drug antiretroviral therapy (2-ART) may address potential tolerability issues, increase adherence, and reduce toxicity and potential drug-drug-interactions among people living with HIV-1 (PLWH). However, real-world treatment patterns and characteristics of 2-ART users are unclear.<h4>Methods</h4>This retrospective observational cohort study employed a large-scale medical claim database of Japanese hospitals to extract data on 4,293 PLWH aged ≥18 years with diagnosis of HIV and treated with any ART regimens between April 2008 and April 2019. A 2-ART cohort was compared with a 3-drug antiretroviral therapy (3-ART) cohort in terms of population characteristics, comorbid conditions, and treatment patterns. Treatment switching rates were calculated for each cohort followed by sensitivity analysis to confirm the robustness of the findings.<h4>Results</h4>There were 94 individuals identified in the 2-ART cohort. Compared to the standard 3-ART cohort (n = 3,993), the 2-ART cohort was older (median age 53 [IQR 44-64] vs 42 years [IQR 35-50]), with a lower proportion of males (87.2% vs 93.8%), higher Charlson Comorbidity Index (CCI) (median score 6 [IQR 5-8] vs 5 [IQR 4-6]), more co-medications (median 6 [IQR 4-11] vs 3 [IQR 2-7]), and a higher percentage of AIDS-defining conditions (66.0% vs 42.8%). The most common 2-ART were protease inhibitor (PI) + integrase strand transfer inhibitor (INSTI) and non-nucleoside reverse transcriptase inhibitor (NNRTI) + INSTI (33.0% and 31.9%, respectively). Overall, most of the regimens were nucleoside reverse transcriptase inhibitor (NRTI)-sparing (71.3%), with a decreasing trend over time (76.2% to 70.2%). ART regimen switch occurred more often in the 2-ART cohort than in the 3-ART cohort (33.0% vs 21.2%).<h4>Conclusion</h4>The profiles of individuals on 2-ART in Japan were demonstrated to be complex. Most were treated with NRTI-sparing regimens which may reflect an effort to reduce treatment-related toxicities.https://doi.org/10.1371/journal.pone.0269779
spellingShingle Daniel J Ruzicka
Mayuko Kamakura
Naho Kuroishi
Nobuyuki Oshima
Miyuki Yamatani
Jingbo Yi
Bruce Crawford
Kunihisa Tsukada
Shinichi Oka
Characteristics of 2-drug regimen users living with HIV-1 in a real-world setting: A large-scale medical claim database analysis in Japan.
PLoS ONE
title Characteristics of 2-drug regimen users living with HIV-1 in a real-world setting: A large-scale medical claim database analysis in Japan.
title_full Characteristics of 2-drug regimen users living with HIV-1 in a real-world setting: A large-scale medical claim database analysis in Japan.
title_fullStr Characteristics of 2-drug regimen users living with HIV-1 in a real-world setting: A large-scale medical claim database analysis in Japan.
title_full_unstemmed Characteristics of 2-drug regimen users living with HIV-1 in a real-world setting: A large-scale medical claim database analysis in Japan.
title_short Characteristics of 2-drug regimen users living with HIV-1 in a real-world setting: A large-scale medical claim database analysis in Japan.
title_sort characteristics of 2 drug regimen users living with hiv 1 in a real world setting a large scale medical claim database analysis in japan
url https://doi.org/10.1371/journal.pone.0269779
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