Abstract:
PURPOSE:Patupilone (EPO906) is a novel potent microtubule stabilizer, which has been evaluated for cancer treatment. A novel physiologically based pharmacokinetics (PBPK) model was developed based on nonclinical data to predict the disposition of patupilone in cancer patients. METHODS:After a single intravenous dose (1.2 mg/kg) in male Han-Wistar rats, the tissue distribution of (14)C-patupilone was investigated by quantitative whole-body autoradiography (QWBA). The blood radioactivity and patupilone concentration were determined by LC-MS/MS and liquid scintillation counting. A novel PBPK model was developed based on rat tissue concentration data to predict blood concentration-time profiles of patupilone in cancer patients. PBPK parameters derived from the rat were applied to a human PBPK model. Phase I clinical pharmacokinetic data in Caucasian and Japanese cancer patients at various doses ranging from 0.75 to 10 mg/m(2) were successfully described using the PBPK approach. RESULTS:Patupilone dispositions in lung, heart, muscle, spleen, liver, brain, adipose, and testes of rats were well described using the PBPK model developed assuming a perfusion rate-limited distribution between different compartments. For skin and bone marrow, concentration-time profiles were modeled assuming a permeability-limited distribution between different compartments. The simulated human pharmacokinetic profiles from the PBPK model showed good agreement with observed clinical pharmacokinetic data, where the model predicted AUC, t(1/2), V(ss), and CL values were within approximately twofold of the observed values for all dose groups. CONCLUSIONS:The distribution of patupilone in rats was well described by a PBPK model based on measured tissue distribution profiles generated by QWBA combined with metabolism data. The human PBPK model adequately predicted blood pharmacokinetics of patupilone in cancer patients. The PBPK model based upon preclinical tissue distribution data can aid in successful prediction of pharmacokinetics in humans.
journal_name
Cancer Chemother Pharmacoljournal_title
Cancer chemotherapy and pharmacologyauthors
Xia B,Heimbach T,Lin TH,He H,Wang Y,Tan Edoi
10.1007/s00280-012-1863-5subject
Has Abstractpub_date
2012-06-01 00:00:00pages
1567-82issue
6eissn
0344-5704issn
1432-0843journal_volume
69pub_type
杂志文章abstract:PURPOSE:Since the hypothesis that solid tumors cause angiogenesis by secreting pro-angiogenic factors was introduced, research on angiogenesis has proceeded continuously. Development of inhibitors targeting the angiogenic tyrosine kinases, to block downstream signal transduction pathways, has become an important approa...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章,评审
doi:10.1007/s00280-016-2961-6
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journal_title:Cancer chemotherapy and pharmacology
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abstract:PURPOSE:To study the dual mechanism of action of FD137, a 3,3-disubstituted nitrosourea designed to block signaling mediated by the epidermal growth factor receptor (EGFR) on its own and to be hydrolyzed to an inhibitor of EGFR plus a DNA-damaging species. MATERIALS AND METHODS:HPLC was used to determine the half-life...
journal_title:Cancer chemotherapy and pharmacology
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abstract::Two patients with acute promyelocytic leukemia in first relapse received mitoxantrone 12 mg/m2/day for 5 days. Both patients received IV heparin with replacement of platelets and coagulation factors for control of disseminated intravascular coagulopathy. Both have achieved a complete remission after one course of trea...
journal_title:Cancer chemotherapy and pharmacology
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journal_title:Cancer chemotherapy and pharmacology
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journal_title:Cancer chemotherapy and pharmacology
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journal_title:Cancer chemotherapy and pharmacology
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journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/BF00254181
更新日期:1988-01-01 00:00:00
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journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
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更新日期:1988-01-01 00:00:00
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journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/s002800050811
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journal_title:Cancer chemotherapy and pharmacology
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journal_title:Cancer chemotherapy and pharmacology
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journal_title:Cancer chemotherapy and pharmacology
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更新日期:2001-06-01 00:00:00
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journal_title:Cancer chemotherapy and pharmacology
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更新日期:2019-01-01 00:00:00
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journal_title:Cancer chemotherapy and pharmacology
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abstract::Increasing the expression of human multidrug resistance (MDR) 1 gene in bone marrow cells to prevent or circumvent bone morrow toxicity from chemotherapy agent is a high priority of dose intensification protocols. In this study, we have used a tumor-bearing model to investigate the chemoprotection effect of MDR1 gene ...
journal_title:Cancer chemotherapy and pharmacology
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doi:10.1007/s00280-005-0144-y
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journal_title:Cancer chemotherapy and pharmacology
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journal_title:Cancer chemotherapy and pharmacology
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journal_title:Cancer chemotherapy and pharmacology
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journal_title:Cancer chemotherapy and pharmacology
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更新日期:1992-01-01 00:00:00
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journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章,多中心研究
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更新日期:2013-02-01 00:00:00
abstract::Studies are described in which a new folate analogue, edatrexate (EDX), in combination with the vinca alkaloids, vinblastine (VBL), navelbine (NVB) or vindesine (DVA) was evaluated against E0771 mammary adenocarcinoma, T241 fibrosarcoma and the Lewis lung tumor. Each of the four agents when given individually to anima...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/BF00685901
更新日期:1994-01-01 00:00:00
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journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
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更新日期:2009-07-01 00:00:00
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journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/s00280-010-1453-3
更新日期:2011-07-01 00:00:00
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journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/BF00269027
更新日期:1984-01-01 00:00:00
abstract::A series of halogen analogs of phosphoramide mustard, isophosphoramide mustard, and triphosphoramide mustard, the cytotoxic metabolites of the antitumor drugs cyclophosphamide, ifosfamide, and trofosfamide, respectively, was evaluated in vitro against human tumor cell lines and in vivo against experimental tumors to i...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/BF00685076
更新日期:1994-01-01 00:00:00
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journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章,多中心研究
doi:10.1007/s00280-018-3567-y
更新日期:2018-05-01 00:00:00