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ETO

Italian Sarcoma Group · FDA-approved active Small molecule

ETO (etoposide) is a topoisomerase II inhibitor that prevents DNA religation, leading to DNA strand breaks and cell death.

ETO (etoposide) is a topoisomerase II inhibitor that prevents DNA religation, leading to DNA strand breaks and cell death. Used for Small cell lung cancer, Testicular cancer, Lymphomas.

At a glance

Generic nameETO
Also known asEtoposide
SponsorItalian Sarcoma Group
Drug classTopoisomerase II inhibitor
TargetTopoisomerase II
ModalitySmall molecule
Therapeutic areaOncology
PhaseFDA-approved

Mechanism of action

Etoposide binds to the topoisomerase II–DNA complex and stabilizes the cleavage complex, preventing the religation of DNA strands. This results in accumulation of DNA double-strand breaks, particularly during S and G2 phases of the cell cycle, triggering apoptosis in rapidly dividing cells. It is commonly used in combination chemotherapy regimens for various malignancies.

Approved indications

Common side effects

Key clinical trials

Primary sources

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SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results