{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T22:37:34Z","timestamp":1777934254937,"version":"3.51.4"},"reference-count":32,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2016,7,8]],"date-time":"2016-07-08T00:00:00Z","timestamp":1467936000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Oncol Pharm Pract"],"published-print":{"date-parts":[[2017,1]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>Patients undergoing hematopoietic cell transplantation are treated with multiple medications, potentially complicated by drug\u2013drug interactions. Drug interactions with sirolimus, voriconazole, and rifampin are particularly difficult because of the complex and simultaneous enzyme inhibition and induction mechanisms. We report a hematopoietic cell transplantation patient receiving sirolimus and voriconazole who was given rifampin while being treated for presumed methicillin-resistant Staphylococcus aureus meningitis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Summary<\/jats:title>\n                    <jats:p>A 31 year-old female received a nonmyeloablative allogeneic umbilical cord hematopoietic cell transplantation for myelodysplastic syndrome transformed to acute myeloid leukemia (AML). Her graft versus host disease and antifungal prophylaxis included sirolimus and voriconazole, respectively. Therapeutic drug monitoring prior to admission revealed a stable outpatient sirolimus regimen of 0.4\u2009mg orally daily (trough goal 3\u201312\u2009mcg\/L). She was admitted to the inpatient hematopoietic cell transplantation service and diagnosed with methicillin-resistant Staphylococcus aureus bacteremia and presumed bacterial meningitis 217 days after transplant. Intravenous rifampin and vancomycin were initiated and voriconazole was changed to micafungin. Sirolimus trough concentrations were undetectable two days after starting rifampin. Therapeutic sirolimus concentrations were achieved four days later, at a sirolimus dose of 16\u201318\u2009mg orally daily. Rifampin was discontinued after nine days and the sirolimus dose was adjusted accordingly, maintaining therapeutic levels throughout follow-up. The patient suffered a flare of chronic skin graft versus host disease requiring etanercept, high-dose systemic steroids, and topical steroids.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>To the best of our knowledge, this is the first report describing the management of sirolimus during the transition from voriconazole inhibition to rifampin induction. Clinicians should be aware of potential drug\u2013drug interactions.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/1078155215624263","type":"journal-article","created":{"date-parts":[[2016,1,13]],"date-time":"2016-01-13T21:39:31Z","timestamp":1452721171000},"page":"75-79","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":12,"title":["Rifampin\u2013sirolimus\u2013voriconazole interaction in a hematopoietic cell transplant recipient"],"prefix":"10.1177","volume":"23","author":[{"given":"Justin A","family":"Wasko","sequence":"first","affiliation":[{"name":"Department of Pharmacy, University of Minnesota Medical Center, Minneapolis, MN, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"James S","family":"Westholder","sequence":"additional","affiliation":[{"name":"Department of Pharmacy, University of Minnesota Medical Center, Minneapolis, MN, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pamala A","family":"Jacobson","sequence":"additional","affiliation":[{"name":"Department of Experimental and Clinical Pharmacology, University of Minnesota College of Pharmacy, Minneapolis, MN, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2016,7,8]]},"reference":[{"key":"bibr1-1078155215624263","doi-asserted-by":"publisher","DOI":"10.1016\/j.bbmt.2011.11.029"},{"key":"bibr2-1078155215624263","doi-asserted-by":"publisher","DOI":"10.1592\/phco.30.8.842"},{"key":"bibr3-1078155215624263","doi-asserted-by":"publisher","DOI":"10.1016\/S0168-3659(99)00034-6"},{"key":"bibr4-1078155215624263","doi-asserted-by":"publisher","DOI":"10.1592\/phco.26.12.1730"},{"key":"bibr5-1078155215624263","unstructured":"Rapamune (sirolimus) full prescribing information. 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