The Effect of Pharmaceutical Intervention on Therapeutic Adherence, Viral Load, and CD4 T Lymphocyte Count in Human Immunodeficiency Virus: An Observational Study in a Hospital Setting

Authors

  • Hazel Solís-Cerdas Hospital RA Calderón Guardia, Servicio de Farmacia, Consulta de Atención Farmacéutica. San José https://orcid.org/0009-0004-2280-4074
  • Alfonso Pereira-Céspedes University of Costa Rica, Pharmacy Faculty, Pharmarceutical Research Institute, National Drug Information Center https://orcid.org/0000-0003-1539-3305

DOI:

https://doi.org/10.30827/ars.v65i4.30874

Keywords:

HIV, pharmaceutical services, treatment adherence and compliance

Abstract

Introduction: To analyze the effect of pharmaceutical intervention on therapeutic adherence, viral load (VL), and CD4 T lymphocyte count in human immunodeficiency virus (HIV) for strengthening the role of the pharmacist in an infectious diseases service.

Methods: Retrospective observational study. Data were collected through interviews using the “Assessment of Predictive Factors of Therapeutic Adherence” questionnaire. VL and CD4 parameters were collected f were collected from the patients’ medical records at the hospital.

Results: 103 patients were included, 92 % men, mean age 32.30± 10.90 years for the group of patients. After pharmaceutical intervention through strategies to promote adherence: 100 % of patients increased their knowledge of their disease, 62 % increased their knowledge of antiretroviral therapy (ART), 90 % showed tolerance to ART, and 4 % experienced adverse reactions. This was reflected in an increase in the median CD4 T lymphocyte count and a decrease in viral load (undetectable in 72 % of patients), statistically and clinically significant results (p< 0.01).

Conclusions: The findings suggest that pharmaceutical intervention in therapeutic adherence to ART has beneficial effects (CD4 and VL) in the analyzed patient group. Further studies are necessary.

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Author Biography

Alfonso Pereira-Céspedes, University of Costa Rica, Pharmacy Faculty, Pharmarceutical Research Institute, National Drug Information Center

Doctorando en Farmacia, Universidad de Granada.

Máster en Atención Farmacéutica, Universidad de Costa Rica.

Licenciatura y Doctorado Profesional en Farmacia, Universidad de Costa Rica.

Profesor Adjunto. Departamento de Atención Farmacéutica y Farmacia Clínica, Facultad de Farmacia, Universidad de Costa Rica.

Investigador. Instituto de Investigaciones Farmacéuticas (INIFAR), Universidad de Costa Rica.

Farmacéutico. Centro Nacional de Información de Medicamentos (CIMED)

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Published

2024-09-20

How to Cite

1.
Solís-Cerdas H, Pereira-Céspedes A. The Effect of Pharmaceutical Intervention on Therapeutic Adherence, Viral Load, and CD4 T Lymphocyte Count in Human Immunodeficiency Virus: An Observational Study in a Hospital Setting. Ars Pharm [Internet]. 2024 Sep. 20 [cited 2024 Oct. 19];65(4):320-37. Available from: https://revistaseug.ugr.es/index.php/ars/article/view/30874

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Original Articles