Several kinds of polymeric particles designed for drug delivery purposes can be successfully synthesized
via heterogeneous polymerization processes. Due to the high ability to produce tailor-made polymers, suspension,
mass-suspension, suspension-emulsion, miniemulsion and emulsion polymerization processes deserve
special attention in the drug delivery field, as the process operating conditions play a significant role on both the
morphology and the macromolecular architecture of the polymeric materials. The present paper also focuses on
the main features of important polymer system used in drug delivery, as well as, the cancer therapy, exploring the
receptor-based targeting of therapeutics and the cancer recognition mechanisms given special attention to the
combined action of immunotherapy and chemotherapy. Dissolution models are also discussed due to their importance
to the prediction of the dissolution process and drug release in the blood, providing fundamental insight into
the dissolution profiles of the drug along the treatment time.
Keywords: Target delivery, polymers, cancer treatment, polymerization processes, drug delivery system, dissolution models.
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