TopotecanTopoisomerase I InhibitorsPlasmaAntineoplastic AgentsCamptothecinInfusions, IntravenousDrug Administration ScheduleDNA Topoisomerases, Type IOvarian NeoplasmsPlasma CellsTopoisomerase InhibitorsAntineoplastic Combined Chemotherapy ProtocolsArea Under CurveCarcinoma, Small CellDose-Response Relationship, DrugNeutropeniaCell MembraneThrombocytopeniaPlasma GasesATP-Binding Cassette TransportersLung NeoplasmsAcridinesRetinal NeoplasmsDrug Resistance, NeoplasmNeoplasmsAntineoplastic Agents, PhytogenicRhabdomyosarcomaAdministration, OralPaclitaxelCisplatinNeoplasm Recurrence, LocalAdministration, MetronomicSmall Cell Lung CarcinomaMetabolic Clearance RateMaximum Tolerated Dose