Polylactide conjugates of camptothecin with different drug release abilities.
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ABSTRACT: Camptothecin-polylactide conjugates (CMPT-PLA) were synthesized by covalent incorporation of CMPT into PLA of different microstructure, i.e., atactic PLA and atactic-block-isotactically enriched PLA (Pm = 0.79) via urethane bonds. The kinetic release of CPMT from CMPT-PLA conjugates, tested in vitro under different conditions, is possible in both cases and notably, strongly dependent on PLA microstructure. It shows that release properties of drug-PLA conjugates can be tailored by controlled design of the PLA microstructure, and allow in the case of CMPT-PLA conjugates for the development of highly controlled biodegradable CMPT systems-important delivery systems for anti-cancer agents.
SUBMITTER: Oledzka E
PROVIDER: S-EPMC6270997 | biostudies-literature |
REPOSITORIES: biostudies-literature
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