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Acceptability and feasibility of a screen-and-treat programme for hepatitis B virus infection in The Gambia: the Prevention of Liver Fibrosis and Cancer in Africa (PROLIFICA) study

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Title: Acceptability and feasibility of a screen-and-treat programme for hepatitis B virus infection in The Gambia: the Prevention of Liver Fibrosis and Cancer in Africa (PROLIFICA) study
Authors: Lemoine, MN
Shimakawa, Y
Njie, R
Taal, M
Ndow, G
Chemin, I
Ghosh, S
Njai, HF
Jeng, A
Sow, A
Toure-Kane, C
Mboup, S
Suso, P
Tamba, T
Jatta, A
Sarr, L
Kambi, A
Stanger, W
Nayagam, S
Howell, J
Mpabanzi, L
Nyan, O
Corrah, T
Whittle, H
Taylor-Robinson, SD
D’Alessandro, U
Mendy, M
Thursz, MR
Item Type: Journal Article
Abstract: Despite the introduction of immunisation for hepatitis B virus (HBV) in the 1990s, HBV-related morbidity and mortality remain high in sub-Saharan Africa. Identification and treatment of asymptomatic people with chronic HBV infection should reduce the disease burden. We therefore assessed the feasibility of a screen-and-treat programme for HBV infection in The Gambia, west Africa, and estimated the proportion of HBV-infected people who had significant liver disease in need of treatment.Between Dec 7, 2011, and Jan 24, 2014, individuals living in randomly selected communities in western Gambia were offered hepatitis B surface antigen (HBsAg) screening via a point-of-care test. The test was also offered to potential blood donors attending the central hospital in the capital, Banjul. HBsAg-positive individuals were invited for a comprehensive liver assessment and were offered treatment according to international guidelines. We defined linkage to care as visiting the liver clinic at least once. Eligibility for treatment was judged in accordance with the 2012 European Association for the Study of the Liver guidelines.HBsAg screening was accepted by 5980 (weighted estimate 68·9%, 95% CI 65·0-72·4) of 8170 adults from 27 rural and 27 urban communities and 5559 (81·4%, 80·4-82·3) of 6832 blood donors. HBsAg was detected in 495 (8·8%, 7·9-9·7) individuals in communities and 721 (13·0%, 12·1-13·9) blood donors. Prevalence was higher in men (239 [10·5%, 8·9-12·1] of 2328 men vs 256 [7·6%, 6·5-8·7] of 3652 women; p=0·004) and middle-aged participants. Linkage to care was high in the communities, with 402 (81·3%) of 495 HBsAg-positive individuals attending the clinic. However, only 300 (41·6%) of 721 HBsAg-positive people screened at the blood bank linked into care. Of those who attended the clinic, 18 (4·4%, 2·5-7·7) patients from the communities and 29 (9·7%, 6·8-13·6) from the blood bank were eligible for treatment. Male sex was strongly associated with treatment eligibility (odds ratio 4·35, 1·50-12·58; p=0·007).HBV infection remains highly prevalent in The Gambia. The high coverage of community-based screening, good linkage into care, and the small proportion of HBsAg carriers who need treatment suggest that large-scale screening and treatment programmes are feasible in sub-Saharan Africa.European Commission (FP7).
Issue Date: 25-Jul-2016
Date of Acceptance: 7-Jun-2016
URI: http://hdl.handle.net/10044/1/33452
DOI: http://dx.doi.org/10.1016/S2214-109X(16)30130-9
ISSN: 2214-109X
Publisher: Elsevier
Start Page: e559
End Page: e567
Journal / Book Title: Lancet Global Health
Volume: 4
Issue: 8
Copyright Statement: © 2016 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY license. Published by Elsevier Ltd.
Sponsor/Funder: Commission of the European Communities
Wellcome Trust
Imperial College Healthcare NHS Trust- BRC Funding
Imperial College Trust
Gilead Sciences Ltd
Funder's Grant Number: 265994
097816/Z/11/ZR
RDA15
N/A
n/a
Publication Status: Published
Appears in Collections:Division of Surgery
Faculty of Medicine



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