Journal
BIOMEDICINES
Volume 9, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/biomedicines9050480
Keywords
cancer; camptothecin; natural products; nano-targeted therapy
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Funding
- Pharmaceutical Sciences Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Camptothecin (CPT), a natural plant alkaloid, demonstrates potent antitumor activities by targeting intracellular topoisomerase I but faces limitations due to lactone ring instability and water insolubility. Studies indicate that nanoparticle formulations of CPT exhibit higher antitumor activity than free CPT, suggesting a more efficient approach for cancer treatment. Overall, CPT nano-formulations show promise as a potent candidate for cancer therapy and support the future clinical application of natural antitumor agents.
Camptothecin (CPT), a natural plant alkaloid, has indicated potent antitumor activities via targeting intracellular topoisomerase I. The promise that CPT holds in therapies is restricted through factors that include lactone ring instability and water insolubility, which limits the drug oral solubility and bioavailability in blood plasma. Novel strategies involving CPT pharmacological and low doses combined with nanoparticles have indicated potent anticancer activity in vitro and in vivo. This systematic review aims to provide a comprehensive and critical evaluation of the anticancer ability of nano-CPT in various cancers as a novel and more efficient natural compound for drug development. Studies were identified through systematic searches of PubMed, Scopus, and ScienceDirect. Eligibility checks were performed based on predefined selection criteria. Eighty-two papers were included in this systematic review. There was strong evidence for the association between antitumor activity and CPT treatment. Furthermore, studies indicated that CPT nano-formulations have higher antitumor activity in comparison to free CPT, which results in enhanced efficacy for cancer treatment. The results of our study indicate that CPT nano-formulations are a potent candidate for cancer treatment and may provide further support for the clinical application of natural antitumor agents with passive targeting of tumors in the future.
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