Adherence and virologic suppression during the first 24 weeks on antiretroviral therapy among women in Johannesburg,South Africa - a prospective cohort study

Background  

Adherence is a necessary part of successful antiretroviral treatment (ART). We assessed risk factors for incomplete adherence among a cohort of HIV-infected women initiating ART and examined associations between adherence and virologic response to ART.     

Predictors of adherence to antiretroviral therapy among HIV-infected persons: a prospective study in Southwest Ethiopia

Background  

The devastating impact of AIDS in the world especially in sub-Saharan Africa has led to an unprecedented global effort to ensure access to antiretroviral (ARV) drugs. Given that medication-taking behavior can immensely affect an individual's response; ART adherence is now widely recognized as an 'Achilles heel' for the successful outcome. The present study was undertaken to investigate the rate and predictors of adherence to antiretroviral therapy among HIV-infected persons in southwest Ethiopia.     

Understanding the facilitators and barriers of antiretroviral adherence in Peru: A qualitative study

Background  

Antiretroviral scale-up is increasing in resource-constrained settings. To date, few studies have explored the barriers and facilitators of adherence to ART in these settings. Facilitators and barriers of antiretroviral adherence in Peru are not completely understood.     

Contrasting predictors of poor antiretroviral therapy outcomes in two South African HIV programmes: a cohort study

Background  

Many national antiretroviral therapy (ART) programmes encourage providers to identify and address baseline factors associated with poor treatment outcomes, including modifiable adherence-related behaviours, before initiating ART. However, evidence on such predictors is scarce, and providers judgement may often be inaccurate. To help address this evidence gap, this observational cohort study examined baseline factors potentially predictive of poor treatment outcomes in two ART programmes in South Africa, with a particular focus on determinants of adherence.     

Measuring adherence to antiretroviral treatment in resource-poor settings: The feasibility of collecting routine data for key indicators

Background  

An East African survey showed that among the few health facilities that measured adherence to antiretroviral therapy, practices and definitions varied widely. We evaluated the feasibility of collecting routine data to standardize adherence measurement using a draft set of indicators.     

Measuring adherence to antiretroviral therapy in northern Tanzania: feasibility and acceptability of the Medication Event Monitoring System

Background  

An often-used tool to measure adherence to antiretroviral therapy (ART) is the Medication Event Monitoring System (MEMS), an electronic pill-cap that registers date and time of pill-bottle openings. Despite its strengths, MEMS-data can be compromised by inaccurate use and acceptability problems due to its design. These barriers remain, however, to be investigated in resource-limited settings. We evaluated the feasibility and acceptability of using MEMS-caps to monitor adherence among HIV-infected patients attending a rural clinic in Tanzania's Kilimanjaro Region.     

Measuring adherence to antiretroviral treatment in resource-poor settings: The clinical validity of key indicators

Background  

Access to antiretroviral therapy has dramatically expanded in Africa in recent years, but there are no validated approaches to measure treatment adherence in these settings.     

Good adherence to HAART and improved survival in a community HIV/AIDS treatment and care programme: the experience of The AIDS Support Organization (TASO), Kampala,Uganda

Background  

Poor adherence to highly active antiretroviral therapy (HAART) may result in treatment failure and death. Most reports of the effect of adherence to HAART on mortality come from studies where special efforts are made to provide HAART under ideal conditions. However, there are few reports of the impact of non-adherence to HAART on mortality from community HIV/AIDS treatment and care programmes in developing countries. We therefore conducted a study to assess the effect of adherence to HAART on survival in The AIDS Support Organization (TASO) community HAART programme in Kampala, Uganda.     

Impact of housing on the survival of persons with AIDS

Background  

Homeless persons with HIV/AIDS have greater morbidity and mortality, more hospitalizations, less use of antiretroviral therapy, and worse medication adherence than HIV-infected persons who are stably housed. We examined the effect of homelessness on the mortality of persons with AIDS and measured the effect of supportive housing on AIDS survival.     

The two-year impact of first generation protease inhibitor based antiretroviral therapy (PI-ART) on health-related quality of life

Background  

Protease inhibitor based antiretroviral therapy (PI-ART) was introduced in 1996 and has greatly reduced the incidence of HIV-related morbidity and mortality in the industrialised world. PI-ART would thus be expected to have a positive effect on health-related quality of life (HRQL). On the other hand, HRQL might be negatively affected by strict adherence requirements as well as by short and long-term adverse effects. The aim of this study was to assess the influence of two years of first generation PI-ART on HRQL in patients with a relatively advanced state of HIV-infection. Furthermore, we wanted to investigate the relation between developments in HRQL and viral response, self-reported adherence and subjective experience of adverse effects in patients with PI-ART.     

Mesure de l’efficacité et de l’observance du traitement antirétroviral chez des patients infectés par le VIH au Cameroun

Objective

The aim of the study was to identify the most useful clinical criteria to measure effectiveness and adherence to antiretroviral treatment in a rural area of Cameroon.

Patients and method

All patients under antiretroviral therapy followed for at least 3 months at the Tokombéré UPEC hospital were eligible. Therapeutic failure was defined according to clinical criteria including weight, Karnofsky's index, or occurrence of WHO stage IV conditions. The criteria for drug adherence were based on patient statement (drugs taken over the last 4 days) and pharmacy-controlled drug delivery. Patient sociodemographic characteristics were collected via a questionnaire.

Results

Fifty-six patients were included, most of whom were at AIDS stage on treatment initiation. The mean duration of antiretroviral therapy was 1 year. 21, 10, and 19% of patients were in therapeutic failure according to “weight”, “Karnofsky's index”, and “WHO stage IV”, respectively. Non-adherence was reported in 5% of patients according to the declarative method and 20% according to pharmacy controlled drug delivery. Weight modification during treatment was significantly correlated with the evolution of Karnofsky's index (p = 0.03). A significant correlation between therapeutic failure and non-observance was only found when using the weight criterion and the declarative method (p = 0.004).

Conclusion

The effectiveness and adherence to antiretroviral therapy can be evaluated by simple clinical criteria. Using these criteria can be recommended in rural areas until access to biological follow-up becomes available in developing countries.     

Building capacity for antiretroviral delivery in South Africa: A qualitative evaluation of the PALSA PLUS nurse training programme

Background  

South Africa recently launched a national antiretroviral treatment programme. This has created an urgent need for nurse-training in antiretroviral treatment (ART) delivery. The PALSA PLUS programme provides guidelines and training for primary health care (PHC) nurses in the management of adult lung diseases and HIV/AIDS, including ART. A process evaluation was undertaken to document the training, explore perceptions regarding the value of the training, and compare the PALSA PLUS training approach (used at intervention sites) with the provincial training model. The evaluation was conducted alongside a randomized controlled trial measuring the effects of the PALSA PLUS nurse-training (Trial reference number ISRCTN24820584).     

Contraceptive adherence among HIV-infected women in Malawi: a randomized controlled trial of the copper intrauterine device and depot medroxyprogesterone acetate

Objective

To evaluate contraceptive adherence to the copper intrauterine device (Cu-IUD) and the injectable depot medroxyprogesterone acetate (DMPA) among women with HIV in Lilongwe, Malawi.

Methods

We randomized 200 HIV-infected women on highly active antiretroviral therapy (HAART) to either the Cu-IUD or DMPA and followed these women prospectively, evaluating adherence and factors associated with nonadherence.

Results

There was no difference in contraceptive adherence: 68% of Cu-IUD and 65% of DMPA users were adherent at 48 weeks. Receiving first-choice contraceptive was not associated with adherence. Women commonly cited partner's disapproval as an indication for discontinuation. Women who experienced heavy menstruation and first-time contraceptive users were more likely to be nonadherent. Among ongoing users at study conclusion, 95% were happy with their method, and 98% would recommend their method to a friend.

Conclusion

Contraceptive adherence between the Cu-IUD and DMPA was similar at 1 year. With similar adherence and similar high rates of satisfaction among users of both methods at 1 year, the Cu-IUD offers a hormone-free alternative to DMPA.

Implications

Adherence to the Cu-IUD and DMPA is similar at 1 year among HIV-infected women on HAART in a randomized controlled trial. Despite high method satisfaction, partner disapproval and heavy bleeding contribute to reduced adherence. Receiving a method that differs from participant's first-choice method did not influence adherence.     

Prophylaxie antirétrovirale après expositions non professionnelles au VIH à Abidjan (Cote d’Ivoire)

Objective

The aim of this study was to assess the tolerability and adherence to all non-occupational post-exposure prophylaxis (PEP) for cases of HIV exposure in Abidjan.

Method

We retrospectively studied all post-exposure prophylaxis for non-occupational exposures to HIV prescribed from January 1st, 2000 to December 31st, 2007 in the Abidjan infectious diseases department. We analyzed the types of exposure, socio-demographic characteristics of patients, antiretroviral therapy regimens, adherence and tolerability, duration of the treatment, and post-exposure follow-up.

Results

Over these eight years, we managed 128 consultations for non-professional exposures to HIV (50 male [39 %], 78 female patients [61 %]), average age 24.8 years (four–54 years). The most frequent exposures were due to rape (n = 74), condom rupture (n = 29), and occasional unprotected sex (n = 21). The average delay before consultation was 20.8 hours. The antiretroviral chemoprophylaxis included a protease inhibitor in 93 % of the cases; 80.5 % of patients completed 28 days of chemoprophylaxis, while 8.6 % interrupted the treatment, and 10.9 % were lost to follow-up. The most frequent adverse effects were gastrointestinal, reported by 79 patients (61.7 %). Only 34 patients (26.6 %) returned for clinical and biological post-exposure follow-up with HIV control at third month, without documented seroconversion.

Conclusion

Cases of sexual exposure to HIV are the main indication for post-exposure prophylaxis in Abidjan, except for occupational exposure to blood. However, post-exposure prophylaxis should be available in the units of primary care, such as emergencies departments.     

Adherence to Antiretroviral Therapy in India: A Systematic Review and Meta-Analysis

Objective:

To assess the adherence to antiretroviral therapy (ART) in the human immunodeficiency virus (HIV)-infected population in India.

Design:

Systematic review and meta-analysis.

Materials and Methods:

The Medline and Cochrane library database were searched. Any prospective or retrospective study enrolling a minimum of 10 subjects with a primary objective of assessing ART adherence in the HIV population in India was included. Data were extracted on adherence definition, adherence estimates, study design, study population characteristics, recall period and assessment method. For metaanalysis, the pooled proportion was calculated as a back-transform of the weighted mean of the transformed proportions (calculated according to the Freeman-Tukey variant of the arcsine square root) using the random effects model.

Results:

There were seven cross-sectional studies and one retrospective study enrolling 1666 participants. Publication bias was significant (P = 0.003). Pooled results showed an ART adherence rate of 70% (95% confidence interval: 59–81%, I² = 96.3%). Sensitivity analyses based on study design, adherence assessment method and study region did not influence adherence estimates. Fifty percent (4/8) of the studies reported cost of medication as the most common obstacle for ART adherence. Twenty-five percent (2/8) reported lack of access to medication as the reason for non-adherence and 12% (1/8) cited adverse events as the most prevalent reason for non-adherence. The overall methodological quality of the included studies was poor.

Conclusion:

Pooled results show that overall ART adherence in India is below the required levels to have an optimal treatment effect. The quality of studies is poor and cannot be used to guide policies to improve ART adherence.     

Effect of Improved access to Antiretroviral Therapy on clinical characteristics of patients enrolled in the HIV care and treatment clinic,at Muhimbili National Hospital (MNH), Dar es Salaam,Tanzania

Background  

Sub-Saharan Africa has been severely affected by the HIV and AIDS pandemic. Global efforts at improving care and treatment has included scaling up use of antiretroviral therapy (ART). In Tanzania, HIV care and treatment program, including the provision of free ART started in 2004 with a pilot program at Muhimbili National Hospital in Dar es Salaam. This study describes the socio-demographic and clinical features of patients enrolled at the care and treatment clinic at MNH, Dar es Salaam, Tanzania.     

Population uptake of antiretroviral treatment through primary care in rural South Africa

Background  

KwaZulu-Natal is the South African province worst affected by HIV and the focus of early modeling studies investigating strategies of antiretroviral treatment (ART) delivery. The reality of antiretroviral roll-out through primary care has differed from that anticipated and real world data are needed to inform the planning of further scaling up of services. We investigated the factors associated with uptake of antiretroviral treatment through a primary healthcare system in rural South Africa.     

Improving medication adherence in diabetes type 2 patients through Real Time Medication Monitoring: a Randomised Controlled Trial to evaluate the effect of monitoring patients' medication use combined with short message service (SMS) reminders

Background  

Innovative approaches are needed to support patients' adherence to drug therapy. The Real Time Medication Monitoring (RTMM) system offers real time monitoring of patients' medication use combined with short message service (SMS) reminders if patients forget to take their medication. This combination of monitoring and tailored reminders provides opportunities to improve adherence. This article describes the design of an intervention study aimed at evaluating the effect of RTMM on adherence to oral antidiabetics.     

Intervening in global markets to improve access to HIV/AIDS treatment: an analysis of international policies and the dynamics of global antiretroviral medicines markets

Background  

Universal access to antiretroviral therapy (ART) in low- and middle-income countries faces numerous challenges: increasing numbers of people needing ART, new guidelines recommending more expensive antiretroviral (ARV) medicines, limited financing, and few fixed-dose combination (FDC) products. Global initiatives aim to promote efficient global ARV markets, yet little is known about market dynamics and the impact of global policy interventions.