Tenofovir-based regimens associated with less drug resistance in HIV-1-infected Nigerians failing first-line antiretroviral therapy
In resource-limited settings, HIV-1 drug resistance testing to guide antiretroviral therapy (ART) selection is unavailable. We retrospectively conducted genotypic analysis on archived samples from Nigerian patients who received targeted viral load testing to confirm treatment failure and report thei...
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| Veröffentlicht in: | AIDS (London) 2013-02, Vol.27 (4), p.553-561 |
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| creator | ETIEBET, Mary-Ann A SHEPHERD, James EYZAGUIRRE, Lindsay M BLATTNER, William A NOWAK, Rebecca G CHARURAT, Man CHANG, Harry AJAYI, Samuel ELEGBA, Olufunmilayo NDEMBI, Nicaise ABIMIKU, Alashle CARR, Jean K |
| description | In resource-limited settings, HIV-1 drug resistance testing to guide antiretroviral therapy (ART) selection is unavailable. We retrospectively conducted genotypic analysis on archived samples from Nigerian patients who received targeted viral load testing to confirm treatment failure and report their drug resistance mutation patterns.
Stored plasma from 349 adult patients on non-nucleoside reverse transcriptase inhibitor (NNRTI) regimens was assayed for HIV-1 RNA viral load, and samples with more than 1000 copies/ml were sequenced in the pol gene. Analysis for resistance mutations utilized the IAS-US 2011 Drug Resistance Mutation list.
One hundred and seventy-five samples were genotyped; the majority of the subtypes were G (42.9%) and CRF02_AG (33.7%). Patients were on ART for a median of 27 months. 90% had the M184V/I mutation, 62% had at least one thymidine analog mutation, and 14% had the K65R mutation. 97% had an NNRTI resistance mutation and 47% had at least two etravirine-associated mutations. In multivariate analysis tenofovir-based regimens were less likely to have at least three nucleoside reverse transcriptase inhibitor (NRTI) mutations after adjusting for subtype, previous ART, CD4, and HIV viral load [P |
| doi_str_mv | 10.1097/QAD.0b013e32835b0f59 |
| format | Article |
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Stored plasma from 349 adult patients on non-nucleoside reverse transcriptase inhibitor (NNRTI) regimens was assayed for HIV-1 RNA viral load, and samples with more than 1000 copies/ml were sequenced in the pol gene. Analysis for resistance mutations utilized the IAS-US 2011 Drug Resistance Mutation list.
One hundred and seventy-five samples were genotyped; the majority of the subtypes were G (42.9%) and CRF02_AG (33.7%). Patients were on ART for a median of 27 months. 90% had the M184V/I mutation, 62% had at least one thymidine analog mutation, and 14% had the K65R mutation. 97% had an NNRTI resistance mutation and 47% had at least two etravirine-associated mutations. In multivariate analysis tenofovir-based regimens were less likely to have at least three nucleoside reverse transcriptase inhibitor (NRTI) mutations after adjusting for subtype, previous ART, CD4, and HIV viral load [P < 0.001, odds ratio (OR) 0.04]. 70% of patients on tenofovir-based regimens had at least two susceptible NRTIs to include in a second-line regimen compared with 40% on zidovudine-based regimens (P = 0.04, OR = 3.4).
At recognition of treatment failure, patients on tenofovir-based first-line regimens had fewer NRTI drug-resistant mutations and more active NRTI drugs available for second-line regimens. These findings can inform strategies for ART regimen sequencing to optimize long-term HIV treatment outcomes in low-resource settings.</description><identifier>ISSN: 0269-9370</identifier><identifier>EISSN: 1473-5571</identifier><identifier>DOI: 10.1097/QAD.0b013e32835b0f59</identifier><identifier>PMID: 23079810</identifier><language>eng</language><publisher>Hagerstown, MD: Lippincott Williams & Wilkins</publisher><subject>Adenine - administration & dosage ; Adenine - analogs & derivatives ; Adult ; Antibiotics. Antiinfectious agents. Antiparasitic agents ; Antiviral agents ; Biological and medical sciences ; CD4 antigen ; Cross-Sectional Studies ; Drug Administration Schedule ; Drug Resistance, Viral - immunology ; Female ; Genotype ; HIV Seropositivity - drug therapy ; HIV Seropositivity - epidemiology ; HIV Seropositivity - immunology ; HIV-1 - drug effects ; HIV-1 - genetics ; Human immunodeficiency virus 1 ; Human viral diseases ; Humans ; Immunodeficiencies ; Immunodeficiencies. Immunoglobulinopathies ; Immunopathology ; Infectious diseases ; Male ; Medical sciences ; Mutation, Missense ; Nigeria - epidemiology ; Organophosphonates - administration & dosage ; Pharmacology. Drug treatments ; Retrospective Studies ; Reverse Transcriptase Inhibitors - administration & dosage ; RNA, Viral ; Tenofovir ; Treatment Failure ; Viral diseases ; Viral diseases of the lymphoid tissue and the blood. Aids ; Viral Load - drug effects ; Zidovudine - administration & dosage</subject><ispartof>AIDS (London), 2013-02, Vol.27 (4), p.553-561</ispartof><rights>2014 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c471t-f55026a929f594182251b9fbdb0d5f2329630e81c85180751c9b175e188528fd3</citedby><cites>FETCH-LOGICAL-c471t-f55026a929f594182251b9fbdb0d5f2329630e81c85180751c9b175e188528fd3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27077563$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23079810$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>ETIEBET, Mary-Ann A</creatorcontrib><creatorcontrib>SHEPHERD, James</creatorcontrib><creatorcontrib>EYZAGUIRRE, Lindsay M</creatorcontrib><creatorcontrib>BLATTNER, William A</creatorcontrib><creatorcontrib>NOWAK, Rebecca G</creatorcontrib><creatorcontrib>CHARURAT, Man</creatorcontrib><creatorcontrib>CHANG, Harry</creatorcontrib><creatorcontrib>AJAYI, Samuel</creatorcontrib><creatorcontrib>ELEGBA, Olufunmilayo</creatorcontrib><creatorcontrib>NDEMBI, Nicaise</creatorcontrib><creatorcontrib>ABIMIKU, Alashle</creatorcontrib><creatorcontrib>CARR, Jean K</creatorcontrib><title>Tenofovir-based regimens associated with less drug resistance in HIV-1-infected Nigerians failing first-line antiretroviral therapy</title><title>AIDS (London)</title><addtitle>AIDS</addtitle><description>In resource-limited settings, HIV-1 drug resistance testing to guide antiretroviral therapy (ART) selection is unavailable. We retrospectively conducted genotypic analysis on archived samples from Nigerian patients who received targeted viral load testing to confirm treatment failure and report their drug resistance mutation patterns.
Stored plasma from 349 adult patients on non-nucleoside reverse transcriptase inhibitor (NNRTI) regimens was assayed for HIV-1 RNA viral load, and samples with more than 1000 copies/ml were sequenced in the pol gene. Analysis for resistance mutations utilized the IAS-US 2011 Drug Resistance Mutation list.
One hundred and seventy-five samples were genotyped; the majority of the subtypes were G (42.9%) and CRF02_AG (33.7%). Patients were on ART for a median of 27 months. 90% had the M184V/I mutation, 62% had at least one thymidine analog mutation, and 14% had the K65R mutation. 97% had an NNRTI resistance mutation and 47% had at least two etravirine-associated mutations. In multivariate analysis tenofovir-based regimens were less likely to have at least three nucleoside reverse transcriptase inhibitor (NRTI) mutations after adjusting for subtype, previous ART, CD4, and HIV viral load [P < 0.001, odds ratio (OR) 0.04]. 70% of patients on tenofovir-based regimens had at least two susceptible NRTIs to include in a second-line regimen compared with 40% on zidovudine-based regimens (P = 0.04, OR = 3.4).
At recognition of treatment failure, patients on tenofovir-based first-line regimens had fewer NRTI drug-resistant mutations and more active NRTI drugs available for second-line regimens. These findings can inform strategies for ART regimen sequencing to optimize long-term HIV treatment outcomes in low-resource settings.</description><subject>Adenine - administration & dosage</subject><subject>Adenine - analogs & derivatives</subject><subject>Adult</subject><subject>Antibiotics. Antiinfectious agents. Antiparasitic agents</subject><subject>Antiviral agents</subject><subject>Biological and medical sciences</subject><subject>CD4 antigen</subject><subject>Cross-Sectional Studies</subject><subject>Drug Administration Schedule</subject><subject>Drug Resistance, Viral - immunology</subject><subject>Female</subject><subject>Genotype</subject><subject>HIV Seropositivity - drug therapy</subject><subject>HIV Seropositivity - epidemiology</subject><subject>HIV Seropositivity - immunology</subject><subject>HIV-1 - drug effects</subject><subject>HIV-1 - genetics</subject><subject>Human immunodeficiency virus 1</subject><subject>Human viral diseases</subject><subject>Humans</subject><subject>Immunodeficiencies</subject><subject>Immunodeficiencies. Immunoglobulinopathies</subject><subject>Immunopathology</subject><subject>Infectious diseases</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Mutation, Missense</subject><subject>Nigeria - epidemiology</subject><subject>Organophosphonates - administration & dosage</subject><subject>Pharmacology. Drug treatments</subject><subject>Retrospective Studies</subject><subject>Reverse Transcriptase Inhibitors - administration & dosage</subject><subject>RNA, Viral</subject><subject>Tenofovir</subject><subject>Treatment Failure</subject><subject>Viral diseases</subject><subject>Viral diseases of the lymphoid tissue and the blood. Aids</subject><subject>Viral Load - drug effects</subject><subject>Zidovudine - administration & dosage</subject><issn>0269-9370</issn><issn>1473-5571</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpdkV1rVDEQhoModq3-A5FzI3iTOkk2m-RGKPWjhaII1duQkzM5GzmbsybZSq_7x5ula_24mjB55p13eAl5yeCEgVFvv56-P4EemEDBtZA9BGkekQVbKkGlVOwxWQBfGWqEgiPyrJQfACBB66fkiAtQRjNYkNsrTHOYr2OmvSs4dBnHuMFUOlfK7KOrrfcr1nU3YSndkHdjQ0os1SWPXUzd-cV3ymhMAf2e_RxHzNE1geDiFNPYhZhLpe2JnUs1Zqx5v89NXV1jdtub5-RJcFPBF4d6TL59_HB1dk4vv3y6ODu9pH6pWKVBynaQM9y0S5dMcy5Zb0I_9DDIwAU3KwGomdeSaVCSedMzJZFpLbkOgzgm7-51t7t-g4PHVJsLu81x4_KNnV20__6kuLbjfG1XkhmQvAm8OQjk-ecOS7WbWDxOk0s474plggsNzaZq6PIe9XkuJWN4WMPA7vOzLT_7f35t7NXfFh-GfgfWgNcHwBXvppBbDLH84RQoJVdC3AEDA6b1</recordid><startdate>20130220</startdate><enddate>20130220</enddate><creator>ETIEBET, Mary-Ann A</creator><creator>SHEPHERD, James</creator><creator>EYZAGUIRRE, Lindsay M</creator><creator>BLATTNER, William A</creator><creator>NOWAK, Rebecca G</creator><creator>CHARURAT, Man</creator><creator>CHANG, Harry</creator><creator>AJAYI, Samuel</creator><creator>ELEGBA, Olufunmilayo</creator><creator>NDEMBI, Nicaise</creator><creator>ABIMIKU, Alashle</creator><creator>CARR, Jean K</creator><general>Lippincott Williams & Wilkins</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7T5</scope><scope>7U9</scope><scope>H94</scope><scope>5PM</scope></search><sort><creationdate>20130220</creationdate><title>Tenofovir-based regimens associated with less drug resistance in HIV-1-infected Nigerians failing first-line antiretroviral therapy</title><author>ETIEBET, Mary-Ann A ; SHEPHERD, James ; EYZAGUIRRE, Lindsay M ; BLATTNER, William A ; NOWAK, Rebecca G ; CHARURAT, Man ; CHANG, Harry ; AJAYI, Samuel ; ELEGBA, Olufunmilayo ; NDEMBI, Nicaise ; ABIMIKU, Alashle ; CARR, Jean K</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c471t-f55026a929f594182251b9fbdb0d5f2329630e81c85180751c9b175e188528fd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Adenine - administration & dosage</topic><topic>Adenine - analogs & derivatives</topic><topic>Adult</topic><topic>Antibiotics. Antiinfectious agents. Antiparasitic agents</topic><topic>Antiviral agents</topic><topic>Biological and medical sciences</topic><topic>CD4 antigen</topic><topic>Cross-Sectional Studies</topic><topic>Drug Administration Schedule</topic><topic>Drug Resistance, Viral - immunology</topic><topic>Female</topic><topic>Genotype</topic><topic>HIV Seropositivity - drug therapy</topic><topic>HIV Seropositivity - epidemiology</topic><topic>HIV Seropositivity - immunology</topic><topic>HIV-1 - drug effects</topic><topic>HIV-1 - genetics</topic><topic>Human immunodeficiency virus 1</topic><topic>Human viral diseases</topic><topic>Humans</topic><topic>Immunodeficiencies</topic><topic>Immunodeficiencies. Immunoglobulinopathies</topic><topic>Immunopathology</topic><topic>Infectious diseases</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Mutation, Missense</topic><topic>Nigeria - epidemiology</topic><topic>Organophosphonates - administration & dosage</topic><topic>Pharmacology. Drug treatments</topic><topic>Retrospective Studies</topic><topic>Reverse Transcriptase Inhibitors - administration & dosage</topic><topic>RNA, Viral</topic><topic>Tenofovir</topic><topic>Treatment Failure</topic><topic>Viral diseases</topic><topic>Viral diseases of the lymphoid tissue and the blood. Aids</topic><topic>Viral Load - drug effects</topic><topic>Zidovudine - administration & dosage</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>ETIEBET, Mary-Ann A</creatorcontrib><creatorcontrib>SHEPHERD, James</creatorcontrib><creatorcontrib>EYZAGUIRRE, Lindsay M</creatorcontrib><creatorcontrib>BLATTNER, William A</creatorcontrib><creatorcontrib>NOWAK, Rebecca G</creatorcontrib><creatorcontrib>CHARURAT, Man</creatorcontrib><creatorcontrib>CHANG, Harry</creatorcontrib><creatorcontrib>AJAYI, Samuel</creatorcontrib><creatorcontrib>ELEGBA, Olufunmilayo</creatorcontrib><creatorcontrib>NDEMBI, Nicaise</creatorcontrib><creatorcontrib>ABIMIKU, Alashle</creatorcontrib><creatorcontrib>CARR, Jean K</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Immunology Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>AIDS (London)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>ETIEBET, Mary-Ann A</au><au>SHEPHERD, James</au><au>EYZAGUIRRE, Lindsay M</au><au>BLATTNER, William A</au><au>NOWAK, Rebecca G</au><au>CHARURAT, Man</au><au>CHANG, Harry</au><au>AJAYI, Samuel</au><au>ELEGBA, Olufunmilayo</au><au>NDEMBI, Nicaise</au><au>ABIMIKU, Alashle</au><au>CARR, Jean K</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Tenofovir-based regimens associated with less drug resistance in HIV-1-infected Nigerians failing first-line antiretroviral therapy</atitle><jtitle>AIDS (London)</jtitle><addtitle>AIDS</addtitle><date>2013-02-20</date><risdate>2013</risdate><volume>27</volume><issue>4</issue><spage>553</spage><epage>561</epage><pages>553-561</pages><issn>0269-9370</issn><eissn>1473-5571</eissn><abstract>In resource-limited settings, HIV-1 drug resistance testing to guide antiretroviral therapy (ART) selection is unavailable. We retrospectively conducted genotypic analysis on archived samples from Nigerian patients who received targeted viral load testing to confirm treatment failure and report their drug resistance mutation patterns.
Stored plasma from 349 adult patients on non-nucleoside reverse transcriptase inhibitor (NNRTI) regimens was assayed for HIV-1 RNA viral load, and samples with more than 1000 copies/ml were sequenced in the pol gene. Analysis for resistance mutations utilized the IAS-US 2011 Drug Resistance Mutation list.
One hundred and seventy-five samples were genotyped; the majority of the subtypes were G (42.9%) and CRF02_AG (33.7%). Patients were on ART for a median of 27 months. 90% had the M184V/I mutation, 62% had at least one thymidine analog mutation, and 14% had the K65R mutation. 97% had an NNRTI resistance mutation and 47% had at least two etravirine-associated mutations. In multivariate analysis tenofovir-based regimens were less likely to have at least three nucleoside reverse transcriptase inhibitor (NRTI) mutations after adjusting for subtype, previous ART, CD4, and HIV viral load [P < 0.001, odds ratio (OR) 0.04]. 70% of patients on tenofovir-based regimens had at least two susceptible NRTIs to include in a second-line regimen compared with 40% on zidovudine-based regimens (P = 0.04, OR = 3.4).
At recognition of treatment failure, patients on tenofovir-based first-line regimens had fewer NRTI drug-resistant mutations and more active NRTI drugs available for second-line regimens. These findings can inform strategies for ART regimen sequencing to optimize long-term HIV treatment outcomes in low-resource settings.</abstract><cop>Hagerstown, MD</cop><pub>Lippincott Williams & Wilkins</pub><pmid>23079810</pmid><doi>10.1097/QAD.0b013e32835b0f59</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | AIDS (London), 2013-02, Vol.27 (4), p.553-561 |
| issn | 0269-9370 1473-5571 |
| language | eng |
| recordid | cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_6519052 |
| source | MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Journals@Ovid Complete |
| subjects | Adenine - administration & dosage Adenine - analogs & derivatives Adult Antibiotics. Antiinfectious agents. Antiparasitic agents Antiviral agents Biological and medical sciences CD4 antigen Cross-Sectional Studies Drug Administration Schedule Drug Resistance, Viral - immunology Female Genotype HIV Seropositivity - drug therapy HIV Seropositivity - epidemiology HIV Seropositivity - immunology HIV-1 - drug effects HIV-1 - genetics Human immunodeficiency virus 1 Human viral diseases Humans Immunodeficiencies Immunodeficiencies. Immunoglobulinopathies Immunopathology Infectious diseases Male Medical sciences Mutation, Missense Nigeria - epidemiology Organophosphonates - administration & dosage Pharmacology. Drug treatments Retrospective Studies Reverse Transcriptase Inhibitors - administration & dosage RNA, Viral Tenofovir Treatment Failure Viral diseases Viral diseases of the lymphoid tissue and the blood. Aids Viral Load - drug effects Zidovudine - administration & dosage |
| title | Tenofovir-based regimens associated with less drug resistance in HIV-1-infected Nigerians failing first-line antiretroviral therapy |
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