Prof. Andre Kengne

South Africa

EDCTP portfolio: Senior Fellowships

Professor Andre Kengne is aiming to identify the key risk factors for cardiometabolic disease in people living with HIV in sub-Saharan Africa.

Cardiometabolic risk factors and HIV

More than 20 million people are living with HIV in sub-Saharan Africa. Thanks to increasing access to antiretroviral therapy, more people living with HIV are surviving to older age, when they are at increased risk of a range of cardiometabolic diseases, including high blood pressure, cardiovascular disease and chronic kidney disease. In addition, long-term use of antiretroviral drugs may also increase the risk of these conditions.

Non-communicable diseases are already more common in people with HIV than in the general population, and modelling studies suggest that, by 2030, 84% of people with HIV will have at least one non-communicable disease and about one-third will have three or more.

The challenge

Currently, care of people living with HIV is provided in parallel with other healthcare provision, and focuses primarily on the infectious diseases they are at risk of acquiring. This limits opportunities to address non-communicable disease risk factors in this group. In addition, there is a limited understanding of the nature and extent of non-communicable disease risk factors in people living with HIV.

In his EDCTP Senior Fellowship, Professor Andre Kengne is building on existing links to establish a network to generate additional evidence on non-communicable disease risk factors. The network brings together the South African Medical Research Council, the Nigerian Institute of Medical Research, and the Clinical Research, Education and Consultancy Network in Cameroon.

Professor Kengne’s research will draw on the resources of three existing large-scale projects. In Nigeria, data on risk factors for chronic kidney disease will be collected from a cohort of nearly 24,000 people living with HIV who are receiving antiretroviral therapy and have been followed for nearly 15 years. In Cameroon, information on cardi-metabolic risk factors will be obtained from a cohort of nearly 20,000 people living with HIV. And in South Africa, Professor Kengne is evaluating a text messaging intervention designed to improve adherence to anti-hypertensive medicines in people with HIV and high blood pressure.

The project

Professor Kengne’s Senior Fellowship project will gather additional information on the risk factors for non-communicable disease in sub-Saharan African populations. A clearer understanding of the most important risk factors could underpin the design of integrated services for people living with HIV that address both infectious and non-communicable co-morbidities.

Impact


test the safety and efficacy of this new formulation in young children

Bringing antiretroviral drugs to children

The CHAPAS trials have ensured that many more children with HIV have benefited
from life-saving antiretrovirals.

EDCTP portfolio: HIV & HIV-associated infections

The challenge

More than 20 million people are living with HIV in sub-Saharan Africa. Thanks to increasing access to antiretroviral therapy, more people living with HIV are surviving to older age, when they are at increased risk of a range of cardiometabolic diseases, including high blood pressure, cardiovascular disease and chronic kidney disease. In addition, long-term use of antiretroviral drugs may also increase the risk of these conditions.

Non-communicable diseases are already more common in people with HIV than in the general population, and modelling studies suggest that, by 2030, 84% of people with HIV will have at least one non-communicable disease and about one-third will have three or more.

Currently, care of people living with HIV is provided in parallel with other healthcare provision, and focuses primarily on the infectious diseases they are at risk of acquiring. This limits opportunities to address non-communicable disease risk factors in this group. In addition, there is a limited understanding of the nature and extent of non-communicable disease risk factors in people living with HIV.

In his EDCTP Senior Fellowship, Professor Andre Kengne is building on existing links to establish a network to generate additional evidence on non-communicable disease risk factors. The network brings together the South African Medical Research Council, the Nigerian Institute of Medical Research, and the Clinical Research, Education and Consultancy Network in Cameroon.

Professor Kengne’s research will draw on the resources of three existing large-scale projects. In Nigeria, data on risk factors for chronic kidney disease will be collected from a cohort of nearly 24,000 people living with HIV who are receiving antiretroviral therapy and have been followed for nearly 15 years. In Cameroon, information on cardi-metabolic risk factors will be obtained from a cohort of nearly 20,000 people living with HIV. And in South Africa, Professor Kengne is evaluating a text messaging intervention designed to improve adherence to anti-hypertensive medicines in people with HIV and high blood pressure.

The project

The later CHAPAS-3 trial compared the efficacy and safety of three fixed-dose combinations including two without stavudine (found to have some long-term side effects in adults, leading to a recommendation that its use be discontinued in children). The trial the first of its kind in Africa studied nearly 500 children at four sites in two African countries.

Professor Kengne’s Senior Fellowship project will gather additional information on the risk factors for non-communicable disease in sub-Saharan African populations. A clearer understanding of the most important risk factors could underpin the design of integrated services for people living with HIV that address both infectious and non-communicable co-morbidities.

ratios forfixed-dose combinations and on appropriatedosage according to weight. 

The CHAPAS-3 trial confirmed the effectiveness of fixed-dose combinations, providing further impetus to the rollout of antiretrovirals to children. Its evidence on abacavir informed the WHO recommendation of abacavir-containing combinations for first-line therapy in children. Trial data have also been used to support applications for regulatory approval for new scored efavirenz tablets.

Impact

L’homme RF et al. Nevirapine, stavudine and lamivudine pharmacokinetics in African children on paediatric fixed-dose combination tablets. AIDS. 2008;22(5):557–65.

Mulenga V et al. Abacavir, zidovudine, or stavudine as paediatric tablets for African HIVinfected children (CHAPAS-3): an open-label, parallel-group, randomised controlled trial. Lancet Infect Dis. 2016;16(2):169–79.

WHO. Guidelines on the use of antiretroviral drugs for treating and preventing HIV infection: recommendations for a public health approach. 2010.

WHO. Consolidated guidelines on the use of antiretroviral drugs
for treating and preventing

HIV infection: Recommendations for a public health approach
(second edition). 2016

Projects: Children with HIV in Africa Pharmacokinetics and Adherence of Simple Antiretroviral Regimens (CHAPAS): CHAPAS-1 and -3

Project lead: Professor Chifumbe Chintu, University Teaching Hospital, Zambia (CHAPAS-1); Dr Veronica Mulenga, University Teaching Hospital, Zambia (CHAPAS-3)

Target population(s): Children with HIV

Sample size: 71 (CHAPAS-1); 480 (CHAPAS-3)

Countries involved: Ireland, the Netherlands, the UK, the USA, Zambia (CHAPAS-1); Uganda, Zambia (CHAPAS-3)

Project duration: 2005–2009 (CHAPAS-1); 2010 –2011 (CHAPAS-3)

EDCTP funding: €1.2M (CHAPAS-1); €4.6M (CHAPAS-3)

Total project funding: €1.2M (CHAPAS-1); €5.0M

About us

The European & Developing Countries Clinical Trials Partnership (EDCTP) is a public–public partnership between 14 European and 16 African countries, supported by the European Union. EDCTP’s vision is to reduce the individual, social and economic burden of poverty-related infectious diseases by affecting sub-Saharan Africa. EDCTP’s mission is to accelerate the development of new or improved medicinal products for the identification, treatment and prevention of infectious diseases, including emerging and re-emerging diseases, through pre- and postregistration clinical studies, with emphasis on phase II and III clinical trials. Our approach integrates conduct of research with development of African clinical research capacity and networking. The second EDCTP programme is implemented by the EDCTP Association supported under Horizon 2020, the European Union’s Framework Programme for Research and Innovation.

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