Drug reference directory
Drug reference

fam-trastuzumab deruxtecan

antibody-drug conjugate (ADC), HER2-targeted, topoisomerase I inhibitor · anticancer

antibody-drug conjugate (ADC), HER2-targeted, topoisomerase I inhibitoranticancer
CDSCO approved
EXCRETION
—
not curated
INTERACTIONS
—
none in our sources
PREGNANCY
—
not curated

Mechanism

Fam-trastuzumab deruxtecan is an HER2-targeted antibody conjugated to a camptothecin derivative (topoisomerase I inhibitor).

Indications

locally advanced or metastatic HER2-positive breast cancerHER2-positive gastric cancer

Side effects

Serious
  • interstitial lung disease
  • pneumonitis (including fatal cases)
  • cardiotoxicity

Related guidelines

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Textbook-sourced·Sources: Goodman & Gilman 14e·Updated: 2026-05-10