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HIV Testing and Treatment with the Use of a Community Health Approach in Rural Africa.

ABSTRACT: BACKGROUND:Universal antiretroviral therapy (ART) with annual population testing and a multidisease, patient-centered strategy could reduce new human immunodeficiency virus (HIV) infections and improve community health. METHODS:We randomly assigned 32 rural communities in Uganda and Kenya to baseline HIV and multidisease testing and national guideline-restricted ART (control group) or to baseline testing plus annual testing, eligibility for universal ART, and patient-centered care (intervention group). The primary end point was the cumulative incidence of HIV infection at 3 years. Secondary end points included viral suppression, death, tuberculosis, hypertension control, and the change in the annual incidence of HIV infection (which was evaluated in the intervention group only). RESULTS:A total of 150,395 persons were included in the analyses. Population-level viral suppression among 15,399 HIV-infected persons was 42% at baseline and was higher in the intervention group than in the control group at 3 years (79% vs. 68%; relative prevalence, 1.15; 95% confidence interval [CI], 1.11 to 1.20). The annual incidence of HIV infection in the intervention group decreased by 32% over 3 years (from 0.43 to 0.31 cases per 100 person-years; relative rate, 0.68; 95% CI, 0.56 to 0.84). However, the 3-year cumulative incidence (704 incident HIV infections) did not differ significantly between the intervention group and the control group (0.77% and 0.81%, respectively; relative risk, 0.95; 95% CI, 0.77 to 1.17). Among HIV-infected persons, the risk of death by year 3 was 3% in the intervention group and 4% in the control group (0.99 vs. 1.29 deaths per 100 person-years; relative risk, 0.77; 95% CI, 0.64 to 0.93). The risk of HIV-associated tuberculosis or death by year 3 among HIV-infected persons was 4% in the intervention group and 5% in the control group (1.19 vs. 1.50 events per 100 person-years; relative risk, 0.79; 95% CI, 0.67 to 0.94). At 3 years, 47% of adults with hypertension in the intervention group and 37% in the control group had hypertension control (relative prevalence, 1.26; 95% CI, 1.15 to 1.39). CONCLUSIONS:Universal HIV treatment did not result in a significantly lower incidence of HIV infection than standard care, probably owing to the availability of comprehensive baseline HIV testing and the rapid expansion of ART eligibility in the control group. (Funded by the National Institutes of Health and others; SEARCH ClinicalTrials.gov number, NCT01864603.).

SUBMITTER: Havlir DV

PROVIDER: S-EPMC6748325 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature

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HIV Testing and Treatment with the Use of a Community Health Approach in Rural Africa.

Havlir Diane V DV Balzer Laura B LB Charlebois Edwin D ED Clark Tamara D TD Kwarisiima Dalsone D Ayieko James J Kabami Jane J Sang Norton N Liegler Teri T Chamie Gabriel G Camlin Carol S CS Jain Vivek V Kadede Kevin K Atukunda Mucunguzi M Ruel Theodore T Shade Starley B SB Ssemmondo Emmanuel E Byonanebye Dathan M DM Mwangwa Florence F Owaraganise Asiphas A Olilo Winter W Black Douglas D Snyman Katherine K Burger Rachel R Getahun Monica M Achando Jackson J Awuonda Benard B Nakato Hellen H Kironde Joel J Okiror Samuel S Thirumurthy Harsha H Koss Catherine C Brown Lillian L Marquez Carina C Schwab Joshua J Lavoy Geoff G Plenty Albert A Mugoma Wafula Erick E Omanya Patrick P Chen Yea-Hung YH Rooney James F JF Bacon Melanie M van der Laan Mark M Cohen Craig R CR Bukusi Elizabeth E Kamya Moses R MR Petersen Maya M

The New England journal of medicine 20190701 3

<h4>Background</h4>Universal antiretroviral therapy (ART) with annual population testing and a multidisease, patient-centered strategy could reduce new human immunodeficiency virus (HIV) infections and improve community health.<h4>Methods</h4>We randomly assigned 32 rural communities in Uganda and Kenya to baseline HIV and multidisease testing and national guideline-restricted ART (control group) or to baseline testing plus annual testing, eligibility for universal ART, and patient-centered care ...[more]

PMID: 31314966

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Project description:Despite large investments in HIV testing, only an estimated 45% of HIV-infected people in sub-Saharan Africa know their HIV status. Optimum methods for maximising population-level testing remain unknown. We sought to show the effectiveness of a hybrid mobile HIV testing approach at achieving population-wide testing coverage.We enumerated adult (?15 years) residents of 32 communities in Uganda (n=20) and Kenya (n=12) using a door-to-door census. Stable residence was defined as living in the community for at least 6 months in the past year. In each community, we did 2 week multiple-disease community health campaigns (CHCs) that included HIV testing, counselling, and referral to care if HIV infected; people who did not participate in the CHCs were approached for home-based testing (HBT) for 1-2 months within the 1-6 months after the CHC. We measured population HIV testing coverage and predictors of testing via HBT rather than CHC and non-testing.From April 2, 2013, to June 8, 2014, 168,772 adult residents were enumerated in the door-to-door census. HIV testing was achieved in 131,307 (89%) of 146,906 adults with stable residence. 13,043 of 136,033 (9·6%, 95% CI 9·4-9·8) adults with and without stable residence had HIV; median CD4 count was 514 cells per ?L (IQR 355-703). Among 131,307 adults with stable residence tested, 56,106 (43%) reported no previous testing. Among 13,043 HIV-infected adults, 4932 (38%) were unaware of their status. Among 105,170 CHC attendees with stable residence 104,635 (99%) accepted HIV testing. Of 131,307 adults with stable residence tested, 104,635 (80%; range 60-93% across communities) tested via CHCs. In multivariable analyses of adults with stable residence, predictors of non-testing included being male (risk ratio [RR] 1·52, 95% CI 1·48-1·56), single marital status (1·70, 1·66-1·75), age 30-39 years (1·58, 1·52-1·65 vs 15-19 years), residence in Kenya (1·46, 1·41-1·50), and migration out of the community for at least 1 month in the past year (1·60, 1·53-1·68). Compared with unemployed people, testing for HIV was more common among farmers (RR 0·73, 95% CI 0·67-0·79) and students (0·73, 0·69-0·77); and compared with people with no education, testing was more common in those with primary education (0·84, 0·80-0·89).A hybrid, mobile approach of multiple-disease CHCs followed by HBT allowed for flexibility at the community and individual level to help reach testing coverage goals. Men and mobile populations remain challenges for universal testing.National Institutes of Health and President's Emergency Plan for AIDS Relief.

Project description:BackgroundMobile HIV testing approaches are a key to reaching the global targets of halting the HIV epidemic by 2030. Importantly, the number of clients reached through mobile HIV testing approaches, need to remain high to maintain the cost-effectiveness of these approaches. Advances in rapid in-vitro tests such as INSTI® HIV-1/HIV-2 (INSTI) which uses flow-through technologies, offer opportunities to reduce the HIV testing time to about one minute. Using data from a routine mobile HTS programme which piloted the use of the INSTI point-of-care (POC) test, we sought to estimate the effect of using a faster test on client testing volumes and the number of people identified to be living with HIV, in comparison with standard of care HIV rapid tests.MethodsIn November 2019, one out of four mobile HTS teams operating in Ekurhuleni District (South Africa) was randomly selected to pilot the field use of INSTI-POC test as an HIV screening test (i.e., the intervention team). We compared the median number of clients tested for HIV and the number of HIV-positive clients by the intervention team with another mobile HTS team (matched on performance and area of operation) which used the standard of care (SOC) HIV screening test (i.e., SOC team).ResultsFrom 19 to 20 December 2019, the intervention team tested 7,403 clients, and the SOC team tested 2,426 clients. The intervention team tested a median of 442 (IQR: 288-522) clients/day; SOC team tested a median of 97 (IQR: 40-187) clients/day (p<0.0001). The intervention team tested about 180 more males/day compared to the SOC team, and the median number of adolescents and young adults tested/day by the intervention team were almost four times the number tested by the SOC team. The intervention team identified a higher number of HIV-positive clients compared to the SOC team (142 vs. 88), although the proportion of HIV-positive clients was lower in the intervention team due to the higher number of clients tested.ConclusionsThis pilot programme provides evidence of high performance and high reach, for men and young people through the use of faster HIV rapid tests, by trained lay counsellors in mobile HTS units.

Project description:IntroductionThe uptake of HIV testing and linkage to care remains low among men, contributing to high HIV incidence in women in South Africa. We conducted the "Home-Based Intervention to Test and Start" (HITS) in a 2x2 factorial cluster randomized controlled trial in one of the World's largest ongoing HIV cohorts in rural South Africa aimed at enhancing both intrinsic and extrinsic motivations for HIV testing.MethodsBetween February and December 2018, in the uMkhanyakude district of KwaZulu-Natal, we randomly assigned 45 communities (clusters) (n = 13,838 residents) to one of the four arms: (i) financial incentives for home-based HIV testing and linkage to care (R50 [$3] food voucher each); (ii) male-targeted HIV-specific decision support application, called EPIC-HIV; (iii) both financial incentives and male-targeted HIV-specific decision support application and (iv) standard of care (SoC). EPIC-HIV was developed to encourage and serve as an intrinsic motivator for HIV testing and linkage to care, and individually offered to men via a tablet device. Financial incentives were offered to both men and women. Here we report the effect of the interventions on uptake of home-based HIV testing among men. Intention-to-treat (ITT) analysis was performed using modified Poisson regression with adjustment for clustering of standard errors at the cluster levels.ResultsAmong all 13,838 men ≥ 15 years living in the 45 communities, the overall population coverage during a single round of home-based HIV testing was 20.7%. The uptake of HIV testing was 27.5% (683/2481) in the financial incentives arm, 17.1% (433/2534) in the EPIC-HIV arm, 26.8% (568/2120) in the arm receiving both interventions and 17.8% in the SoC arm. The probability of HIV testing increased substantially by 55% in the financial incentives arm (risk ratio (RR)=1.55, 95% CI: 1.31 to 1.82, p < 0.001) and 51% in the arm receiving both interventions (RR = 1.51, 95% CI: 1.21 to 1.87 p < 0.001), compared to men in the SoC arm. The probability of HIV testing did not significantly differ in the EPIC-HIV arm (RR = 0.96, 95% CI: 0.76 to 1.20, p = 0.70).ConclusionsThe provision of a small financial incentive acted as a powerful extrinsic motivator substantially increasing the uptake of home-based HIV testing among men in rural South Africa. In contrast, the counselling and testing application which was designed to encourage and serve as an intrinsic motivator to test for HIV did not increase the uptake of home-based testing.

Project description:BACKGROUND:Knowledge of HIV status remains below target in sub-Saharan Africa, especially among men and adolescents. HIV self-testing (HIVST) is a novel approach that enables unique distribution strategies, with potential to be highly decentralised and to provide complementary coverage to facility-based testing approaches. However, substantial gaps in evidence remain on the effectiveness and cost-effectiveness of HIVST, particularly in rural settings, and on approaches to facilitate linkage to confirmatory HIV testing, prevention, and treatment services. This protocol describes two cluster-randomized trials (CRT) included within the UNITAID/PSI HIV Self-Testing Africa (STAR) project. METHODS:Two independent CRTs were designed around existing reproductive health programmes in rural Malawi and rural/peri-urban Zambia. Common features include use of constrained randomisation to allocate health clinic catchment areas to either standard HIV testing (SOC) or SOC plus community-based distribution of OraQuick HIV Self Tests (Bethlehem, PA USA, assembled in Thailand) by trained lay distributors selected by the community. Community-based distribution agents will be trained (3-day curriculum) to provide brief demonstration of kit use and interpretation, information and encouragement to access follow up services, and management of social harm. The primary outcome of both CRTs is the proportion of the population aged 16 years and older who tested for HIV within the 12-month intervention period. Secondary outcomes in both trials include lifetime HIV testing, antiretroviral therapy (ART) initiation and ART use. Circumcision status among males will be a secondary outcome in Zambia and clinic-level demand for ART will be a secondary outcome in Malawi. Outcomes will be measured using cross-sectional household surveys, and routine data extraction from participating clinics. Costing studies will be used to evaluate the cost-effectiveness of the intervention arm. Qualitative research will be used to guide distribution and explore reasons for testing and linkage to onward care. DISCUSSION:The STAR-Malawi and STAR-Zambia trials will provide rigorous evidence of whether community-based lay HIVST distribution is an effective and cost-effective approach to increasing coverage of HIV testing and demand for follow-on HIV services in rural and peri-urban communities in sub-Saharan Africa. TRIAL REGISTRATION:Clinicaltrials.gov, Malawi: NCT02718274 , 18 March 2016; Zambia: NCT02793804 , 3 June 2016. Protocol date: 21 February 2018.

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HIV Testing and Treatment with the Use of a Community Health Approach in Rural Africa.

Publications

HIV Testing and Treatment with the Use of a Community Health Approach in Rural Africa.

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