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Voucher incentives improve linkage to and retention in care among HIV-infected drug users in Chennai, India.

ABSTRACT: BACKGROUND:Drug users (DUs), a population that accounts for some of the fastest-growing human immunodeficiency virus (HIV) epidemics globally, lag behind other populations with regard to HIV-related outcomes. We evaluated the role of voucher incentives on linkage and retention in care among DUs in India. METHODS:In this randomized clinical trial, 120 DUs who were aged ?18 years, HIV-infected, antiretroviral therapy (ART) naive, and ART eligible and who reported drug use in the prior month were randomized to incentive (INC) or control (CTL) conditions for 12 months. Participants randomized to the INC arm received incentives (redeemable for food/household goods) ranging in value from USD4 to USD8 for achieving prespecified targets (eg, ART initiation, visits to ART center). Subjects in the CTL group could win vouchers in prize-bowl drawings, but HIV care behaviors were not incentivized. The primary endpoint was time to ART initiation. RESULTS:Sixty participants each were randomized to the INC and CTL arms between December 2009 and September 2010. Participants in the INC arm were more likely to visit the government ART center (49 vs 33; P = .002); 27 participants in the INC and 16 participants in the CTL arm initiated ART (P = .04; hazard ratio for ART = 2.33 [95% confidence interval, 1.15-4.73]). Participants in the INC arm also had significantly more visits to the ART center (median number of visits, 8 vs 3.5; P = .005). However, no difference in viral suppression was observed. CONCLUSIONS:Modest voucher incentives improved linkage to and retention in HIV care, but did not significantly impact viral suppression among DUs in India, a disenfranchised and difficult-to-treat population. CLINICAL TRIALS REGISTRATION:NCT01031745.

SUBMITTER: Solomon SS

PROVIDER: S-EPMC4334837 | biostudies-literature | 2014 Aug

REPOSITORIES: biostudies-literature

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Voucher incentives improve linkage to and retention in care among HIV-infected drug users in Chennai, India.

Solomon Sunil Suhas SS Srikrishnan Aylur K AK Vasudevan Canjeevaram K CK Anand Santhanam S Kumar Muniratnam Suresh MS Balakrishnan Pachamuthu P Mehta Shruti H SH Solomon Suniti S Lucas Gregory M GM

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 20140506 4

<h4>Background</h4>Drug users (DUs), a population that accounts for some of the fastest-growing human immunodeficiency virus (HIV) epidemics globally, lag behind other populations with regard to HIV-related outcomes. We evaluated the role of voucher incentives on linkage and retention in care among DUs in India.<h4>Methods</h4>In this randomized clinical trial, 120 DUs who were aged ≥18 years, HIV-infected, antiretroviral therapy (ART) naive, and ART eligible and who reported drug use in the pri ...[more]

PMID: 24803381

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Project description:INTRODUCTION:There is currently no published data on the effectiveness of DAA treatment for elimination of HCV infection in HIV-infected populations at a population level. However, a number of relevant studies and initiatives are emerging. This research aims to report cascade of care data for emerging HCV elimination initiatives and studies that are currently being evaluated in HIV/HCV co-infected populations in the context of implementation science theory. METHODS:HCV elimination initiatives and studies in HIV co-infected populations that are currently underway were identified. Context, intervention characteristics and cascade of care data were synthesized in the context of implementation science frameworks. RESULTS:Seven HCV elimination initiatives and studies were identified in HIV co-infected populations, mainly operating in high-income countries. Four were focused mainly on HCV elimination in HIV-infected gay and bisexual men (GBM), and three included a combination of people who inject drugs (PWID), GBM and other HIV-infected populations. None were evaluating treatment delivery in incarcerated populations. Overall, HCV RNA was detected in 4894 HIV-infected participants (range within studies: 297 to 994): 48% of these initiated HCV treatment (range: 21% to 85%; within studies from a period where DAAs were broadly available the total is 57%, range: 36% to 74%). Among studies with treatment completion data, 96% of 1109 initiating treatment completed treatment (range: 94% to 99%). Among those who could be assessed for sustained virological response at 12 weeks (SVR12), 1631 of 1757 attained SVR12 (93%, range: 86% to 98%). CONCLUSIONS:Early results from emerging research on HCV elimination in HIV-infected populations suggest that HCV treatment uptake is higher than reported levels prior to DAA treatment availability, but approximately half of patients remain untreated. These results are among diagnosed populations and additional effort is required to increase diagnosis rates. Among those who have initiated treatment, completion and SVR rates are promising. More data are required in order to evaluate the effectiveness of these elimination programmes in the long term, assess which intervention components are effective, and whether they need to be tailored to particular population groups.

Project description:Concerning gaps in the HIV care continuum compromise individual and population health. We evaluated a combination intervention strategy (CIS) targeting prevalent barriers to timely linkage and sustained retention in HIV care in Mozambique.In this cluster-randomized trial, 10 primary health facilities in the city of Maputo and Inhambane Province were randomly assigned to provide the CIS or the standard of care (SOC). The CIS included point-of-care CD4 testing at the time of diagnosis, accelerated ART initiation, and short message service (SMS) health messages and appointment reminders. A pre-post intervention 2-sample design was nested within the CIS arm to assess the effectiveness of CIS+, an enhanced version of the CIS that additionally included conditional non-cash financial incentives for linkage and retention. The primary outcome was a combined outcome of linkage to care within 1 month and retention at 12 months after diagnosis. From April 22, 2013, to June 30, 2015, we enrolled 2,004 out of 5,327 adults ?18 years of age diagnosed with HIV in the voluntary counseling and testing clinics of participating health facilities: 744 (37%) in the CIS group, 493 (25%) in the CIS+ group, and 767 (38%) in the SOC group. Fifty-seven percent of the CIS group achieved the primary outcome versus 35% in the SOC group (relative risk [RR]CIS vs SOC = 1.58, 95% CI 1.05-2.39). Eighty-nine percent of the CIS group linked to care on the day of diagnosis versus 16% of the SOC group (RRCIS vs SOC = 9.13, 95% CI 1.65-50.40). There was no significant benefit of adding financial incentives to the CIS in terms of the combined outcome (55% of the CIS+ group achieved the primary outcome, RRCIS+ vs CIS = 0.96, 95% CI 0.81-1.16). Key limitations include the use of existing medical records to assess outcomes, the inability to isolate the effect of each component of the CIS, non-concurrent enrollment of the CIS+ group, and exclusion of many patients newly diagnosed with HIV.The CIS showed promise for making much needed gains in the HIV care continuum in our study, particularly in the critical first step of timely linkage to care following diagnosis.ClinicalTrials.gov NCT01930084.

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Voucher incentives improve linkage to and retention in care among HIV-infected drug users in Chennai, India.

Publications

Voucher incentives improve linkage to and retention in care among HIV-infected drug users in Chennai, India.

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