1. Outcomes and implementation challenges of using daily treatment regimens with an innovative adherence support tool among HIV-infected tuberculosis patients in Karnataka, India: a mixed-methods study.
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Thekkur, Pruthu, Kumar, Ajay MV, Chinnakali, Palanivel, Selvaraju, Sriram, Bairy, Ramachandra, Singh, Akash Ranjan, Nirgude, Abhay, Selvaraj, Kalaiselvi, Venugopal, Vinayagamoorthy, and Shastri, Suresh
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DRUG therapy for tuberculosis , *ATTITUDE (Psychology) , *COMBINATION drug therapy , *COMPARATIVE studies , *CONFIDENCE intervals , *DIFFUSION of innovations , *DISEASE complications , *DRUGS , *HIV infections , *HIV-positive persons , *INTERVIEWING , *LONGITUDINAL method , *RESEARCH methodology , *MEDICAL personnel , *PATIENT-professional relations , *PATIENT compliance , *POISSON distribution , *SELF medication , *TELEPHONES , *EMPLOYEES' workload , *PILOT projects , *ANTIRETROVIRAL agents , *QUANTITATIVE research , *SECONDARY analysis , *RELATIVE medical risk , *TREATMENT effectiveness , *HUMAN services programs , *TREATMENT duration , *PATIENTS' attitudes , *DESCRIPTIVE statistics - Abstract
Background: In India, a new care package consisting of (i) daily regimen with fixed-dose combination drugs, collected once-a-month and self-administered by the patient, (ii) 'one stop service' at antiretroviral treatment (ART) centre for both HIV and tuberculosis (TB) treatment and (iii) technology-enabled adherence support (99DOTS, which required patients to give a missed phone call after consuming drugs) was piloted for treatment of TB among HIV-infected TB patients. Conventional care included intermittent regimen (drugs consumed thrice-weekly) delivered under direct observation of treatment supporter and the patients needing to visit TB and HIV care facilities, separately for treatment. Objective: To assess the effect of new care package on TB treatment outcomes among HIV-TB patients registered during January–December 2016, as compared to conventional care and explore the implementation challenges. Methods: A mixed-methods study was conducted in four districts of Karnataka, India where new care package was piloted in few ART centres while the rest provided conventional care. Quantitative component involved a secondary cohort analysis of routine programme data. Adjusted relative risk(aRR) was calculated using Poisson regression to measure association between new care package and unsuccessful treatment outcome. We conducted in-depth interviews with healthcare providers and patients to understand the challenges. Results: Unsuccessful TB treatment outcomes (death, loss to follow-up and failure) were higher in new care package (n = 871) compared to conventional care (n = 961) (30.5% vs 23.4%; P value<0.001) and aRR was 1.3(95% CI: 1.1–1.7). Key challenges included patients' inability to give missed call, increased work load for ART staff, reduced patient–provider interaction, deficiencies in training and lack of role clarity among providers and reduced involvement of TB program staff. Conclusion: With new care package, TB treatment outcomes did not improve as expected and conversely declined compared to conventional care. TB and HIV programs need to address the operational challenges to improve the outcomes. [ABSTRACT FROM AUTHOR]
- Published
- 2019
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