期刊
AIDS
卷 22, 期 8, 页码 931-935出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/QAD.0b013e3282faa71e
关键词
adverse events; HIV; lopinavir; rifampicin; ritonavir; tuberculosis
Objective: Previous research in healthy volunteers has demonstrated that rifampicin and adjusted doses of lopinavir/ritonavir soft-gel capsules resulted in adequate exposure to lopinavir. Our objective was to study the combined use of rifampicin and the newly introduced lopinavir/ritonavir tablets. Methods: A total of 40 healthy volunteers were planned to start with 600 mg rifampicin once daily from days 1-5. From days 6-15, volunteers were randomized to receive lopinavir/ritonavir tablets dosed as either 600/150 or 800/200 mg twice daily, both in addition to 600 mg rifampicin once daily. A 12 h pharmacokinetic curve was planned on day 15. Safety assessments were conducted regularly throughout the study period. Results: Eleven volunteers started as the first group in this study. No major complaints occurred during day 1-5 (rifampicin only). After addition of lopinavir/ritonavir, eight volunteers suffered from both nausea and vomiting, one from nausea only, and one from vomiting only. On day 7, increases in aspartate aminotransferase/alanine aminotransferase (AST/ALT) levels were reported in all volunteers and on day 8, the study was prematurely terminated. The AST/ALT levels continued to rise and peaked (grade 2, n = 2; grade 3, n = 1; grade 4, n = 8) on days 9-10. All values returned to normal within 6 weeks. Conclusions: The study showed a high incidence of adverse events when a higher than standard dose of the new lopinavir/ritonavir tablets was combined with rifampicin. In the future, this drug combination should not be given to healthy volunteers. Liver function should be carefully monitored when rifampicin and lopinavir/ritonavir are combined in patients. (C) 2008 Wolters Kluwer Health Lippincott Williams & Wilkins.
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