Area Under CurveMetabolic Clearance RatePharmacogeneticsAdministration, OralInfusions, IntravenousDrug MonitoringNeoplasmsBody Surface AreaDrug Administration ScheduleDose-Response Relationship, DrugAntineoplastic AgentsHalf-LifeAntineoplastic Agents, PhytogenicMaximum Tolerated DoseBiological AvailabilityNauseaCamptothecinVomitingCytochrome P-450 CYP3ADrug EvaluationBiotransformationChromatography, High Pressure LiquidDrug InteractionsNeutropeniaModels, BiologicalThrombocytopeniaAlgorithmsAntineoplastic Combined Chemotherapy ProtocolsTreatment OutcomeGenotypeTime Factors