Can Digital Health Interventions Improve Adherence to Antiretroviral (ART) for Patients Living with HIV/AIDS in Sub-Saharan Africa? Systematic Review

Sikota Sharper, Chikumbe Sanhkwa Evans, Mufalali Simasiku Mwiya, Regina Muduli and Bevis Phiri

Global Journal of Health Science, 2021, vol. 13, issue 12, 81

Abstract: BACKGROUND- Human Immunodeficiency Virus (HIV) infection is one of the most devastating human pandemics in Sub-Saharan Africa (SSA) and this is the region most hit by pandemic. Adherence to Antiretroviral Therapy (ART remains challenging and varies between 27% and 80% compared to the required level of 95%. Lack of adherence is of one the major causes of treatment failures. Given the increase in the use of mobile phones in Africa, text messaging is seen as a potential strategy to improve medication adherence although there is little evidence to support this argument. The aim of this review is to evaluate the efficacy of text messaging interventions to improve adherence to antiretroviral treatment. METHODS- The Effective Public Health Practice Project (APHPP) tool was used to ensure that included Randomized Controlled Trials (RCT) studies follow vigorous methodological standards including selection bias, study design, confounders, blinding, data collection methods, and withdrawal and dropout. Selected bibliographic databases MEDLINE, Web of Science, and CINAHL Plus were searched for relevant articles published in English and dated between 2005 and 2018. Six trials met the inclusion criteria as set out in the protocol. Due to the inconsistency and the likely observed heterogeneity, narrative synthesis of evidence was carried out. RESULTS- The results from 2/3 of included studies provided evidence that text messages reminders improve adherence to antiretroviral treatment whereas 1/3 produced contradictory results. Nevertheless, weekly Short Messaging Service (SMS) reminders were more effective than daily (SMS) in achieving 95% self-reported adherence to antiretroviral treatment and in reducing the frequency of treatment interruptions. The results indicated that patients receiving text messages had their plasma HIV viral load suppressed, median CD4+ cell counts increased and were on 100% on time picking up monthly ART refills compared to the control. CONCLUSION- Included studies in this review provided evidence that simple SMS reminders were important in improving and sustaining optimal ART adherences. Text messaging is seen as potential strategy to improve medication adherence. Therefore, it should be included in health systems strategies to help improve sustainable development goals. The results suggest that preventing treatment failure can be achieved by SMS reminders in a resource limited setting.

Date: 2021
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