ArticleCancer chemotherapy and pharmacology2022
The effect of rifampin on the pharmacokinetics of famitinib in healthy subjects.
Article in Cancer chemotherapy and pharmacology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04494659 (A Single Center, Single Arm, Open and Fixed Sequence Study to Investigate the Pharmacokinetic Effects of Rifampicin on Famitinib in Healthy Male Subjects), which is not on this map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
A Single Center, Single Arm, Open and Fixed Sequence Study to Investigate the Pharmacokinetic Effects of Rifampicin on Famitinib in Healthy Male Subjects
Who cites it
1 citing paper in PubMed, 3 citations in OpenAlex.
- A single-centre, open-label, single-arm, fixed-sequence pharmacokinetic study of SHR3680 on repaglinide and bupropion in prostate cancer patients.British journal of clinical pharmacology · 2023Trial
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PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
12 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundFamitinib is an oral, small-molecule, multi-targeted tyrosine kinase inhibitor under clinical investigation for the treatment of solid tumors. As famitinib is metabolized mainly by cytochrome P450 3A4 (CYP3A4), the study was conducted to investigate the effect of potent CYP3A4 inducer rifampin on the pharmacokinetics of famitinb.
methodsThis single-center, single-arm and fixed-sequence drug-drug interaction study enrolled 21healthy Chinese male subjects. Subjects received a single oral dose of famitinib 25 mg on days 1 and 16 and repeated administration of oral rifampin 600 mg once daily on days 10-23. Blood samples were collected and plasma concentrations of famitinib were measured by validated liquid chromatography-tandem mass spectrometry (LC-MS/MS) method. Pharmacokinetic parameters were calculated using noncompartmental analysis and safety was assessed.
resultsIn the presence of rifampin, the famitinib geometric mean maximum plasma concentration (C
conclusionCo-administration of rifampin considerably reduces plasma concentration of famitinb due to CYP3A4 induction. Concomitant administration of famitinib and strong CYP3A4 inducers should be avoided, whereas when simultaneous use with inducers of CYP3A4, dose adjustment of famitinb is recommended. CLINICAL TRIAL REGISTRATION NUMBER: NCT04494659 (July 31, 2020).
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