TopotecanTopoisomerase I InhibitorsAntineoplastic AgentsCamptothecinGuanidineDrug Administration ScheduleDNA Topoisomerases, Type ITrimethylsilyl CompoundsInfusions, IntravenousOvarian NeoplasmsTopoisomerase InhibitorsDose-Response Relationship, DrugAntineoplastic Combined Chemotherapy ProtocolsCarcinoma, Small CellAdministration, OralGuanidinesNeutropeniaArea Under CurveAcridinesAntineoplastic Agents, PhytogenicThrombocytopeniaLung NeoplasmsDrug Resistance, NeoplasmCisplatinRetinal NeoplasmsRhabdomyosarcomaPaclitaxelTetrahydroisoquinolinesATP-Binding Cassette TransportersNeoplasmsAdministration, MetronomicNeoplasm Recurrence, LocalTabletsProtein DenaturationSmall Cell Lung CarcinomaMaximum Tolerated Dose