TAS-103 is a novel anti-cancer agent selected for clinical trials on the basis of several interesting characteristics: 1) inhibition of both topoisomerase I and II, 2) potent cytotoxicity in several model systems, 3) selectivity for solid tumors, and 4) weak cross resistance to other anti-cancer drugs. In this single institution phase I trial eligible patients were required to have advanced solid tumors that were refractory to standard therapy, have a good performance status (ECOG z2), and adequate hematologic, hepatic, and renal function. The purposes were to define the maximum tolerated dose and recommend a dose for further study, to define and characterize the toxicities of the drug and to determine the pharmacokinetic and pharmacodynamic behavior of TAS-103. The starting dose was 20mg/m2 and was based on preclinical toxicology. Doses were doubled until grade 2 toxicity was observed then increased by no more than 33%. At least 3 patients were treated at each dose level. Dose limiting toxicity was considered to be grade 4 hematologic toxicity or grade 3 non-hematologic toxicity. Intrapatient dose escalation was permitted.

Agency
National Institute of Health (NIH)
Institute
National Center for Research Resources (NCRR)
Type
General Clinical Research Centers Program (M01)
Project #
5M01RR000052-40
Application #
6457881
Study Section
Special Emphasis Panel (ZRR1)
Project Start
2000-12-01
Project End
2001-11-30
Budget Start
Budget End
Support Year
40
Fiscal Year
2001
Total Cost
Indirect Cost
Name
Johns Hopkins University
Department
Type
DUNS #
045911138
City
Baltimore
State
MD
Country
United States
Zip Code
21218
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