Self-induction of rifampicin metabolism in man

Immanuel, Chandra and Jayasankar, K and Narayana, A S L and Raghupati Sarma, G (1985) Self-induction of rifampicin metabolism in man. Indian Journal of Medical Research, 82 (5). pp. 381-387. ISSN 0971-5916

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Abstract

Self-induction of rifampicin metabolism caused by daily administration of the drug was studied in 7 healthy subjects. Rifampicin 600 mg was administered daily for 10 days and additional doses were administered on the 4th and 8th days after drug administration ceased. The mean serum half-life of rifampicin decreased from 4.9 h on the 1st day to 3.5 h on the 4th day (P<0.01), to 2.7 h on the 7th day (P<0.001), and 2.5 h on the 10th day (P<0.001). The difference between the mean values on the 7th and the 10th days was not significant. The mean value on the 8th day after stopping drag administration (3.8 h), was significantly higher than that on the last day of daily administration (P=0.02), but was still lower than that on the 1st day (P=0.05). There was a decrease in the excretion of both rifampicin and desacetylrifampicin in urine on induction, followed by a gradual return to normal when drug administration was stopped.

Item Type:	Article
Subjects:	Tuberculosis > Laboratory Research > Biochemical
Divisions:	Basic Science Research > Biochemistry
Depositing User:	Dr. Rathinasabapati R
Date Deposited:	08 Aug 2013 11:14
Last Modified:	17 Mar 2016 08:57
URI:	http://eprints.nirt.res.in/id/eprint/184

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