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Polylactide conjugates of camptothecin with different drug release abilities.


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 | 2014-01-01T00:00:00Z

REPOSITORIES: biostudies

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