TopotecanCamptothecinTopoisomerase I InhibitorsDNA Topoisomerases, Type IAntineoplastic Agents, PhytogenicAntineoplastic AgentsTopoisomerase InhibitorsDrug Administration ScheduleDNA DamageInfusions, IntravenousOvarian NeoplasmsCamptothecaTopoisomerase II InhibitorsDrug Screening Assays, AntitumorEtoposideEnzyme InhibitorsDrug Resistance, NeoplasmAntineoplastic Combined Chemotherapy ProtocolsTumor Cells, CulturedCarcinoma, Small CellNeutropeniaCell Line, TumorDose-Response Relationship, DrugDNA Topoisomerases, Type IINeoplasmsTeniposideApoptosisArea Under CurveLung NeoplasmsCisplatinThrombocytopeniaATP-Binding Cassette TransportersMitoxantroneMaximum Tolerated DoseOrganosilicon CompoundsRubiaceaeAdministration, OralPaclitaxelAphidicolinOrganic Chemistry PhenomenaDrug SynergismRetinal NeoplasmsAcridinesLactonesRhabdomyosarcomaKB CellsAdministration, MetronomicCell SurvivalXenograft Model Antitumor AssaysNeoplasm Recurrence, LocalSmall Cell Lung CarcinomaDrug ResistanceDNACell Cycle