ATC Group: L01CE Topoisomerase 1 (TOP1) inhibitors

The World Health Organization's ATC classification organizes medical drugs based on therapeutic properties, chemical composition, and anatomy. It helps make essential medicines readily available globally and is widely used in the pharmaceutical industry.

Position of L01CE in the ATC hierarchy

Level Code Title
1 L Antineoplastic and immunomodulating agents
2 L01 Antineoplastic agents
3 L01C Plant alkaloids and other natural products
4 L01CE Topoisomerase 1 (TOP1) inhibitors

Group L01CE contents

Code Title
L01CE01 Topotecan
L01CE02 Irinotecan
L01CE03
L01CE04

Active ingredients in L01CE

Active Ingredient

Irinotecan is a semi-synthetic derivative of camptothecin. It is an antineoplastic agent which acts as a specific inhibitor of DNA topoisomerase I.

Topotecan involves the inhibition of topoisomerase-I, an enzyme intimately involved in DNA replication.

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