{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,10]],"date-time":"2026-03-10T15:09:10Z","timestamp":1773155350547,"version":"3.50.1"},"reference-count":13,"publisher":"Elsevier BV","issue":"4","license":[{"start":{"date-parts":[[2011,7,1]],"date-time":"2011-07-01T00:00:00Z","timestamp":1309478400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Contemporary Clinical Trials"],"published-print":{"date-parts":[[2011,7]]},"DOI":"10.1016\/j.cct.2011.03.008","type":"journal-article","created":{"date-parts":[[2011,3,8]],"date-time":"2011-03-08T04:31:43Z","timestamp":1299558703000},"page":"512-516","source":"Crossref","is-referenced-by-count":9,"title":["What predicts non-retention in microbicide trials?"],"prefix":"10.1016","volume":"32","author":[{"given":"Paul J.","family":"Feldblum","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vera","family":"Halpern","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Che-Chin","family":"Lie","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Orikomaba","family":"Obunge","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Folasade","family":"Ogunsola","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"William","family":"Ampofo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kofi","family":"Opoku","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/j.cct.2011.03.008_bb0005","doi-asserted-by":"crossref","first-page":"621","DOI":"10.1097\/QAD.0b013e328337798a","article-title":"Weighing the gold in the gold standard: challenges in HIV prevention research","volume":"24","author":"Padian","year":"2010","journal-title":"AIDS"},{"key":"10.1016\/j.cct.2011.03.008_bb0010","doi-asserted-by":"crossref","first-page":"971","DOI":"10.1016\/S0140-6736(02)11079-8","article-title":"Effectiveness of COL-1492, a nonoxynol-9 vaginal gel, on HIV-1 transmission in female sex workers: a randomised controlled trial","volume":"360","author":"Van Damme","year":"2002","journal-title":"Lancet"},{"key":"10.1016\/j.cct.2011.03.008_bb0015","doi-asserted-by":"crossref","first-page":"e1474","DOI":"10.1371\/journal.pone.0001474","article-title":"SAVVY vaginal gel (C31G) for prevention of HIV infection: a randomized controlled trial in Nigeria","volume":"3","author":"Feldblum","year":"2008","journal-title":"PLoS ONE"},{"key":"10.1016\/j.cct.2011.03.008_bb0020","doi-asserted-by":"crossref","first-page":"e3784","DOI":"10.1371\/journal.pone.0003784","article-title":"Effectiveness of cellulose sulfate vaginal gel for the prevention of HIV infection: results of a Phase III trial in Nigeria","volume":"3","author":"Halpern","year":"2008","journal-title":"PLoS ONE"},{"key":"10.1016\/j.cct.2011.03.008_bb0025","doi-asserted-by":"crossref","first-page":"e1312","DOI":"10.1371\/journal.pone.0001312","article-title":"SAVVY (C31G) gel for prevention of HIV infection in women: a Phase 3, double-blind, randomized, placebo-controlled trial in Ghana","volume":"2","author":"Peterson","year":"2007","journal-title":"PLoS ONE"},{"key":"10.1016\/j.cct.2011.03.008_bb0030","doi-asserted-by":"crossref","first-page":"463","DOI":"10.1056\/NEJMoa0707957","article-title":"Lack of effectiveness of cellulose sulfate gel for the prevention of vaginal HIV transmission","volume":"359","author":"Van Damme","year":"2008","journal-title":"N Engl J Med"},{"key":"10.1016\/j.cct.2011.03.008_bb0035","doi-asserted-by":"crossref","first-page":"413","DOI":"10.1310\/hct1006-413","article-title":"A systematic review of the quality of trials evaluating biomedical HIV prevention interventions shows that many lack power","volume":"10","author":"Graham","year":"2009","journal-title":"HIV Clin Trials"},{"key":"10.1016\/j.cct.2011.03.008_bb0040","doi-asserted-by":"crossref","first-page":"335","DOI":"10.1080\/09540120802183545","article-title":"HIV vaccine preparedness studies in the non-Organization for Economic Cooperation and Development (non-OECD) countries","volume":"21","author":"Dhalla","year":"2009","journal-title":"AIDS Care"},{"key":"10.1016\/j.cct.2011.03.008_bb0045","doi-asserted-by":"crossref","first-page":"499","DOI":"10.1097\/01.qai.0000148532.12329.df","article-title":"Participant retention in clinical trials of candidate HIV vaccines","volume":"39","author":"De Bruyn","year":"2005","journal-title":"J Acquir Immune Defic Syndr"},{"key":"10.1016\/j.cct.2011.03.008_bb0050","doi-asserted-by":"crossref","first-page":"411","DOI":"10.1016\/j.cct.2009.05.002","article-title":"Novel strategies implemented to ensure high participant retention rates in a community based HIV prevention effectiveness trial in South Africa and Zimbabwe","volume":"30","author":"Gappoo","year":"2009","journal-title":"Contemp Clin Trials"},{"key":"10.1016\/j.cct.2011.03.008_bb0055","doi-asserted-by":"crossref","first-page":"1168","DOI":"10.1126\/science.1193748","article-title":"Effectiveness and safety of tenofovir gel, an antiretroviral microbicide, for the prevention of HIV infection in women","volume":"329","author":"Karim","year":"2010","journal-title":"Science"},{"key":"10.1016\/j.cct.2011.03.008_bb0060","doi-asserted-by":"crossref","first-page":"594","DOI":"10.1097\/OLQ.0b013e3181e15f0b","article-title":"Baseline factors associated with incident HIV and STI in four microbicide trials","volume":"37","author":"Feldblum","year":"2010","journal-title":"Sex Transm Dis"},{"key":"10.1016\/j.cct.2011.03.008_bb0065","doi-asserted-by":"crossref","first-page":"436","DOI":"10.1016\/j.contraception.2010.08.018","article-title":"Microbicide Research Group. Predictors of pregnancy in microbicide trials","volume":"83","author":"Halpern","year":"2011","journal-title":"Contraception"}],"container-title":["Contemporary Clinical Trials"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1551714411000541?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1551714411000541?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2021,11,20]],"date-time":"2021-11-20T02:58:13Z","timestamp":1637377093000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1551714411000541"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2011,7]]},"references-count":13,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2011,7]]}},"alternative-id":["S1551714411000541"],"URL":"https:\/\/doi.org\/10.1016\/j.cct.2011.03.008","relation":{},"ISSN":["1551-7144"],"issn-type":[{"value":"1551-7144","type":"print"}],"subject":[],"published":{"date-parts":[[2011,7]]}}}