Excretion into gastrointestinal tract of irinotecan lactone and carboxylate forms and their pharmacodynamics in rodents

K Arimori, N Kuroki, A Kumamoto, N Tanoue… - Pharmaceutical …, 2001 - Springer
Purpose. To investigate the excretion of irinotecan hydrochloride (CPT-11) and its active
metabolite, SN-38, into the gastrointestinal lumen via the biliary and/or intestinal membrane …

[PDF][PDF] Biliary excretion of irinotecan and its metabolites

T Itoh, I Takemoto, S Itagaki, K Sasaki, T Hirano… - J Pharm Pharm …, 2004 - ualberta.ca
PURPOSE: The aim of this study was to investigate the excretion of irinotecan hydrochloride
(CPT-11) and its metabolites into the gastrointestinal lumen via the biliary route after …

pH‐dependent uptake of irinotecan and its active metabolite, SN‐38, by intestinal cells

K Kobayashi, B Bouscarel, Y Matsuzaki… - … journal of cancer, 1999 - Wiley Online Library
Abstract Irinotecan (CPT‐11) and its active metabolite, 7‐ethyl‐10‐hydroxycamptothecin
(SN‐38), are believed to be reabsorbed by intestinal cells and to enter the entero‐hepatic …

Hepatic extraction, metabolism, and biliary excretion of irinotecan in the isolated perfused rat liver

C Farabos, MC Haaz, P Gires, J Robert - Journal of pharmaceutical …, 2001 - Elsevier
Abstract Irinotecan (CPT‐11) is a semisynthetic derivative of camptothecine that has proved
activity in the treatment of colorectal carcinoma. The metabolites identified in humans …

Pharmacokinetics, metabolism, and excretion of irinotecan (CPT-11) following iv infusion of [14C] CPT-11 in cancer patients

JG Slatter, LJ Schaaf, JP Sams, KL Feenstra… - Drug Metabolism and …, 2000 - ASPET
This study determined the disposition of irinotecan hydrochloride trihydrate (CPT-11) after iv
infusion of 125 mg/m2 (100 μCi)[14C] CPT-11 in eight patients with solid tumors. Mean±SD …

Simultaneous determination of the lactone and carboxylate forms of irinotecan (CPT-11) and its active metabolite SN-38 by high-performance liquid chromatography …

X Yang, Z Hu, SY Chan, BC Goh, W Duan… - … of Chromatography B, 2005 - Elsevier
Irinotecan (CPT-11) and its main metabolite SN-38 are potent anticancer derivatives of
camptothecin (CPT), with active lactone and inactive carboxylate forms coexisting. A simple …

Sensitive determination of the carboxylate and lactone forms of the novel antitumor drug irinotecan and its active metabolite in plasma by HPLC

VMM Herben, D Mazee… - Journal of liquid …, 1998 - Taylor & Francis
A sensitive high-performance liquid chromatographic (HPLC) method has been developed
and validated for the determination of the lactone and carboxylate forms of the novel …

Pharmacokinetics of irinotecan and its metabolites in human blood, bile, and urine

F Lokiec, P Canal, C Gay, E Chatelut… - Cancer chemotherapy …, 1995 - Springer
Two patients were treated with CPT-11 for colorectal cancer and had a percutaneous biliary
catheter for extrahepatic biliary obstruction. The first patient was treated with CPT-11 …

Comparison of the pharmacokinetics and efficacy of irinotecan after administration by the intravenous versus intraperitoneal route in mice

S Guichard, E Chatelut, I Lochon, R Bugat… - Cancer chemotherapy …, 1998 - Springer
Abstract Irinotecan (CPT-11) is a new drug active in colorectal cancer. A comparison was
made of the efficacy and pharmacokinetics of CPT-11 after ip versus iv administration to …

Metabolism of irinotecan and its active metabolite SN-38 by intestinal microflora in rats

M Yamamoto, A Kurita, T Asahara… - Oncology …, 2008 - spandidos-publications.com
One of the dose-limiting toxicities of irinotecan (CPT-11) is delayed-onset diarrhea, which is
the greatest barrier to treatment with CPT-11-containing regimens. CPT-11 is converted to its …