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1.
Niger Postgrad Med J ; 26(4): 195-198, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31621657

RESUMO

Background: The presence of human leukocyte antigen (HLA) B*57:01 allele predicts hypersensitivity reaction (HSR) to abacavir (ABC), a nucleoside reverse-transcriptase inhibitor used for human immunodeficiency virus (HIV) treatment. However, the prevalence of this allele amongst Nigerians with HIV is yet to be established. We aimed to determine the prevalence of HLA-B*57:01 allele amongst Nigerians with HIV infection. Methods: We conducted a multicentre cross-sectional epidemiologic survey. Between April 2016 and April 2017, patients were enrolled across five HIV treatment facilities in Nigeria. Participants' demographic information and their history of ABC exposure were obtained, and venous blood was obtained for HLA typing. Results: One thousand five hundred and four (1504) adults were enrolled, with a mean age of 44.6 ± 10.7 years, 1078 (71.7%) were female. 1463 (97.3%) were on antiretroviral therapy. ABC use was reported by 12 (0.8%) participants and none reported HSR. Of 1500 blood samples that were processed, 1458 (97.2%) were successfully typed. Of these, 132 (9.1%) were HLA-B*57 positive using non-specific low-resolution HLA-B*5701 primer mix. On further analysis, none of the 132 samples (0%) had the HLA-B*5701 allele. Conclusion: HLA-B*5701allele is rare amongst Nigerians.


Assuntos
Fármacos Anti-HIV/uso terapêutico , Didesoxinucleosídeos/uso terapêutico , Hipersensibilidade a Drogas/imunologia , Infecções por HIV/tratamento farmacológico , Infecções por HIV/imunologia , Antígenos HLA-B/genética , Inibidores da Transcriptase Reversa/uso terapêutico , Adulto , Idoso , População Negra/genética , Estudos Transversais , Didesoxinucleosídeos/efeitos adversos , Hipersensibilidade a Drogas/epidemiologia , Hipersensibilidade a Drogas/genética , Feminino , Infecções por HIV/epidemiologia , Infecções por HIV/genética , Antígenos HLA-B/sangue , Antígenos HLA-B/imunologia , Humanos , Masculino , Pessoa de Meia-Idade , Nigéria/epidemiologia , Prevalência , Inibidores da Transcriptase Reversa/efeitos adversos
3.
J Acquir Immune Defic Syndr ; 54(1): 85-92, 2010 May 01.
Artigo em Inglês | MEDLINE | ID: mdl-20418724

RESUMO

OBJECTIVE: To determine the efficacy of patient-selected treatment partners on virologic and adherence outcomes during first-line antiretroviral therapy. DESIGN: Randomized controlled trial. SETTING AND ANALYTICAL APPROACH: Between June 2006 and December 2007, 499 HIV-infected adults in Jos, Nigeria, were randomized to standard of care (SOC) or patient-selected treatment partner-assisted therapy (TPA). Each patient was followed for 48 weeks. Virologic outcomes, adherence to drug pick-up, CD4 cell counts, and mortality are reported. RESULTS: At week 24, undetectable viral load was achieved by 61.7% of patients in the TPA arm versus 50.2% of those receiving SOC [odds ratio (OR) = 1.58, 95% CI: 1.11 to 2.26, P < 0.05]. There was no significant difference at week 48: 65.3% versus 59.4% for TPA and SOC, respectively (OR = 1.28, 95% CI: 0.89 to 1.84, P > 0.05). The TPA group had more than 3 times the odds of at least 95% drug pickup adherence through week 24 (OR = 3.06, 95% CI: 1.89 to 4.94, P < 0.01) and almost twice the odds through week 48 (OR = 1.95, 95% CI: 1.29 to 2.93, P < 0.01). At week 48, there were no significant differences in CD4 cell count increases (t = -0.09, df = 404, P > 0.05) or mortality (10.6% vs. 6.1%) between TPA vs. SOC, respectively. Residence-to-clinic distance was significantly associated with virologic and adherence outcomes. CONCLUSIONS: Use of patient-selected treatment partners was associated with improved drug pickup adherence and initial virologic success but had no durable effect on attaining undetectable viral load.


Assuntos
Fármacos Anti-HIV/uso terapêutico , Infecções por HIV/tratamento farmacológico , Adesão à Medicação/estatística & dados numéricos , Carga Viral , Adulto , Contagem de Linfócito CD4 , Países em Desenvolvimento , Feminino , Infecções por HIV/imunologia , Infecções por HIV/mortalidade , Infecções por HIV/virologia , Humanos , Masculino , Nigéria , Resultado do Tratamento
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