{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,21]],"date-time":"2025-09-21T17:41:46Z","timestamp":1758476506698},"reference-count":18,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2013,3,7]],"date-time":"2013-03-07T00:00:00Z","timestamp":1362614400000},"content-version":"vor","delay-in-days":827,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The Journal of Clinical Pharma"],"published-print":{"date-parts":[[2010,12]]},"abstract":"<jats:p>A randomized, placebo\u2010controlled, 2\u2010period crossover study in subjects on methadone maintenance therapy was conducted to assess the effect of the HIV\u20101 integrase inhibitor, raltegravir, on the pharmacokinetics of methadone. Twelve HIV\u2010negative male and female subjects stabilized on an oral methadone program were enrolled. Subjects maintained their prescribed oral doses of methadone throughout the study and, in each of 2 periods, received either 400 mg of raltegravir or matching placebo every 12 hours on days 1 through 10 of each treatment period with a washout of 7 days between periods. Plasma samples for analysis of methadone pharmacokinetics were collected over 24 hours postdose on day 10 of each treatment period. Safety and tolerability were assessed throughout the study. The geometric mean ratio (90% confidence interval) for methadone when administered with raltegravir relative to methadone alone was 1.00 (0.93\u20101.09) for area under the methadone concentration\u2010time curve from time 0 to 24 hours and 1.00 (0.94\u20101.07) for maximal concentration. There were no serious clinical or laboratory adverse experiences. There were no discontinuations due to an adverse experience. Coadministration of raltegravir and methadone is generally well tolerated. Raltegravir has no clinically meaningful effect on methadone pharmacokinetics. No dose adjustment is required for methadone when coadministered with raltegravir.<\/jats:p>","DOI":"10.1177\/0091270009360981","type":"journal-article","created":{"date-parts":[[2010,2,20]],"date-time":"2010-02-20T02:53:32Z","timestamp":1266634412000},"page":"1461-1466","source":"Crossref","is-referenced-by-count":9,"title":["Effect of Raltegravir on the Pharmacokinetics of Methadone"],"prefix":"10.1002","volume":"50","author":[{"given":"Matt S.","family":"Anderson","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Julie Ann Mabalot","family":"Luk","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"William D.","family":"Hanley","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bo","family":"Jin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert 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