Hoppe, Antje Serum cystatin C is a better marker of topotecan clearance than serum creatinine. [electronic resource] - Clinical cancer research : an official journal of the American Association for Cancer Research Apr 2005 - 3038-44 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 1078-0432 Standard No.: 10.1158/1078-0432.CCR-04-2086 doi Subjects--Topical Terms: AdolescentAdultAgedAnalysis of VarianceAntineoplastic Agents--administration & dosageArea Under CurveBiomarkers--bloodCreatine--bloodCystatin CCystatins--bloodDose-Response Relationship, DrugFemaleHumansMaleMetabolic Clearance RateMiddle AgedModels, BiologicalProspective StudiesTopotecan--administration & dosage