Question 1

What is TOPOTECAN used for?

Accepted Answer

TOPOTECAN (brand name Topotecan) is a Other indicated for See full prescribing information.

Question 2

How does TOPOTECAN work?

Accepted Answer

TOPOTECAN works through the following mechanism: 12.1 Mechanism of Action Topoisomerase I relieves torsional strain in DNA by inducing reversible single-strand breaks. Topotecan binds to the topoisomerase I-DNA complex and prevents re-ligation of these single-strand breaks. The cytotoxicity of topotecan is thought to be due to double-strand DNA damage produced during DNA synthesis, when replication enzymes interact with the ternary complex formed by topotecan, topoisomerase I, and DNA. Mammalian cells cannot efficiently repair these double-strand breaks..

Question 3

What are the most common side effects of TOPOTECAN?

Accepted Answer

Reported side effects vary by individual. The side-effects section on this page lists the events most frequently reported to FDA FAERS for TOPOTECAN. FAERS is voluntary reporting, so it reflects what was reported, not absolute incidence.

Question 4

Is TOPOTECAN the same as Topotecan?

Accepted Answer

Topotecan is a brand name for TOPOTECAN. They share the same active ingredient and FDA-approved indications. Biosimilars and authorised generics may differ in inactive ingredients such as buffers or preservatives.

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