{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,14]],"date-time":"2025-05-14T02:16:50Z","timestamp":1747189010529,"version":"3.40.5"},"reference-count":27,"publisher":"American Society for Microbiology","issue":"10","license":[{"start":{"date-parts":[[2016,9,23]],"date-time":"2016-09-23T00:00:00Z","timestamp":1474588800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2016,10,1]],"date-time":"2016-10-01T00:00:00Z","timestamp":1475280000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Antimicrob Agents Chemother"],"published-print":{"date-parts":[[2016,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            There is a pressing need for alternative treatments against the liver fluke\n            <jats:named-content xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" content-type=\"genus-species\" xlink:type=\"simple\">Opisthorchis viverrini<\/jats:named-content>\n            . Oral tribendimidine is a promising candidate, but its population pharmacokinetic properties are unknown. Two phase IIa trials were conducted in Laos in\n            <jats:named-content xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" content-type=\"genus-species\" xlink:type=\"simple\">O. viverrini<\/jats:named-content>\n            -infected adults receiving single oral doses of 25 to 600 mg tribendimidine administered as different formulations in each study (study 1 used 200-mg tablets, and study 2 used 50-mg tablets). Venous whole blood, plasma, and capillary dried blood spots were sampled frequently from 68 adults, and concentrations of the tribendimidine metabolites dADT (deacetylated amidantel) and adADT (acetylated dADT) were measured. Population pharmacokinetics were assessed by using nonlinear mixed-effects modeling. The relationship between drug exposure and cure (assessed at 21 days posttreatment) was evaluated by using univariable logistic regression. A six-transit compartment absorption model with a one-disposition compartment for each metabolite described the data well. Compared to the 50-mg formulation (study 2), the 200-mg formulation (study 1) had a 40.1% higher mean transit absorption time, a 113% higher dADT volume of distribution, and a 364% higher adADT volume of distribution. Each 10-year increase in age was associated with a 12.7% lower dADT clearance and a 21.2% lower adADT clearance. The highest cure rates (\u226555%) were observed with doses of \u2265100 mg. Higher dADT, but not adADT, peak concentrations and exposures were associated with cure (\n            <jats:italic>P<\/jats:italic>\n            = 0.004 and 0.003, respectively). For the first time, population pharmacokinetics of tribendimidine have been described. Known differences in the 200-mg versus 50-mg formulations were captured by covariate modeling. Further studies are needed to validate the structural model and confirm covariate relationships. (This study has been registered with the ISRCTN Registry under no. ISRCTN96948551.)\n          <\/jats:p>","DOI":"10.1128\/aac.00655-16","type":"journal-article","created":{"date-parts":[[2016,7,19]],"date-time":"2016-07-19T02:39:00Z","timestamp":1468895940000},"page":"5695-5704","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":7,"title":["Population Pharmacokinetic Modeling of Tribendimidine Metabolites in Opisthorchis viverrini-Infected Adults"],"prefix":"10.1128","volume":"60","author":[{"given":"Fiona","family":"Vanobberghen","sequence":"first","affiliation":[{"name":"Swiss Tropical and Public Health Institute, Basel, Switzerland"},{"name":"University of Basel, Basel, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Melissa A.","family":"Penny","sequence":"additional","affiliation":[{"name":"Swiss Tropical and Public Health Institute, Basel, Switzerland"},{"name":"University of Basel, Basel, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Urs","family":"Duthaler","sequence":"additional","affiliation":[{"name":"Swiss Tropical and Public Health Institute, Basel, Switzerland"},{"name":"University of Basel, Basel, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peter","family":"Odermatt","sequence":"additional","affiliation":[{"name":"Swiss Tropical and Public Health Institute, Basel, Switzerland"},{"name":"University of Basel, Basel, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Somphou","family":"Sayasone","sequence":"additional","affiliation":[{"name":"National Institute of Public Health, Vientiane, Lao People's Democratic Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jennifer","family":"Keiser","sequence":"additional","affiliation":[{"name":"Swiss Tropical and Public Health Institute, Basel, Switzerland"},{"name":"University of Basel, Basel, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4566-4030","authenticated-orcid":false,"given":"Joel","family":"Tarning","sequence":"additional","affiliation":[{"name":"Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand"},{"name":"Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"235","reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0065-308X(10)72011-X"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1517\/14656560902722463"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.trstmh.2006.02.018"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0065-308X(10)73008-6"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.3201\/eid1110.050614"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijpddr.2014.07.002"},{"key":"e_1_3_3_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.actatropica.2005.01.013"},{"key":"e_1_3_3_9_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.actatropica.2013.01.009"},{"key":"e_1_3_3_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1473-3099(10)70250-4"},{"key":"e_1_3_3_11_2","doi-asserted-by":"publisher","DOI":"10.2165\/11539320-000000000-00000"},{"key":"e_1_3_3_12_2","first-page":"667","article-title":"Metabolism and excretion of tribendimidine in healthy human volunteers","volume":"27","author":"Yuan G","year":"2008","unstructured":"Yuan G, Wei C, Wang B, Zhang R, Xu J, Guo R. 2008. 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