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Revista chilena de infectología

versión impresa ISSN 0716-1018


AMARILES, Pedro; GALINDO, Jaime; MUESES-MARIN, Héctor F.  y  CASTANEDA, Carol. Effectiveness and safety of generic version of lamivudine/tenofovir and efavirenz in treatment naïve HIV-infected patients: a nonrandomized, open-label, phase IV study in Cali-Colombia, 2012-2014. Rev. chil. infectol. [online]. 2019, vol.36, n.1, pp.32-40. ISSN 0716-1018.


Clinical studies aimed to evaluating the quality of generic drugs may be useful to strengthen policies of access to combined antiretroviral therapy (cART).


To describe the effectiveness and safety of the generic schema lamivudine/tenofovir/efavirenz (3TC/TDF/EFV) in patients with HIV/AIDS naive, belonging to a comprehensive care program.


A nonrandomized, open-label, phase IV study, during 2012 to 2014 naive HIV-infected patients 18 years or older with indication to receive cART were recruited. Patients were treated with generic scheme 3TC/TDF/EFV and were followed-up during 12 months. Clinical, immunological and laboratory parameters were assessed at baseline, 3, 6 and 12 months of treatment.


Of the 40 patients, 30 (75%) met the 12 months of treatment; of them, 80% achieved undetectable viral load (< 40 copies/mL) and 83.3% viral load < 50 copies/mL. Additionally, there was a significant increase (173 cells/mm3) in the median for CD4 T lymphocyte count. Moreover, the results of the whole blood count, creatinine and transaminases were preserved in normal ranges and did not generate changes in the cART. Potential side effects of antiretroviral drugs occurred in less than 10% of patients and had no serious implications.


In this small group of patients, the generic scheme 3TC/TDF/EFV is effective and safe in the treatment of patients with HIV/AIDS naïve, and its effectiveness and safety profile is similar to show by innovator scheme 3TC/TDF/EFV in patients with similar clinical conditions. Registro Estudio: Registro Público Cubano de Ensayos Clínicos (RPCEC) ID: RPCEC00000134. Registered 20 July 2012.

Palabras clave : HIV/AIDS; generic drugs; antiretroviral drugs; phase IV study.

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