Administration, OralBiopharmaceuticsPharmaceutical PreparationsBiological AvailabilityPharmacokineticsMicrotechnologyDrug Delivery SystemsIpecacIntestinal AbsorptionExcipientsCaco-2 CellsChemistry, PharmaceuticalDrug CompoundingSolubilityFood-Drug InteractionsDrug CarriersPermeabilityArea Under CurveAntiprotozoal AgentsDelayed-Action PreparationsGastrointestinal TractHalf-LifeDrug DesignPolymersNanoparticlesParticle SizeInjections, IntravenousP-GlycoproteinIntestinesHypoglycemic AgentsModels, BiologicalDrug Administration ScheduleDose-Response Relationship, DrugAntineoplastic AgentsTreatment Outcome