Question 1

What is TALETRECTINIB used for?

Accepted Answer

TALETRECTINIB (brand name IBTROZI) is a Other indicated for See full prescribing information.

Question 2

How does TALETRECTINIB work?

Accepted Answer

TALETRECTINIB works through the following mechanism: 12.1 Mechanism of Action Taletrectinib is an inhibitor of tyrosine kinase ROS1, including ROS1 resistance mutations. Taletrectinib also showed inhibitory effects on tropomyosin receptor kinases (TRKs) TRKA, TRKB, and TRKC. Fusion proteins that include ROS1 domains can drive tumorigenic potential through hyperactivation of downstream signaling pathways leading to unconstrained cell proliferation. Taletrectinib inhibited growth of cancer cells expressing ROS1 fusion genes and mutations. In mice subcutaneously implanted with tumors harboring ROS1 fusions, including the G2032R mutation, administration of taletrectinib resulted in tumor growth inhibition. Taletrectinib had anticancer activity in an intracranial NSCLC xenograft model harboring a ROS1 fusion..

Question 3

What are the most common side effects of TALETRECTINIB?

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 TALETRECTINIB. FAERS is voluntary reporting, so it reflects what was reported, not absolute incidence.

Question 4

Is TALETRECTINIB the same as IBTROZI?

Accepted Answer

IBTROZI is a brand name for TALETRECTINIB. 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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