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fam-trastuzumab deruxtecan-nxki (Enhertu)

Indications: - HER2-positive (activating mutation) unresectable or metastatic breast cancer unresponsive to prior chemotherapy Contraindications: - pregnancy Dosage: - 5.4 mg/kg intravenous every 3 weeks Adverse effects: - nausea, leukopenia, anemia, neutropenia, lymphopenia, thrombocytopenia - decreased serum albumin, increased serum AST, increased serum ALT - increased serum alkaline phosphatase - fatigue, constipation, anorexia, vomiting, alopecia Notes: - distinguish from trastuzumab (Herceptin) with different dosage & treatment schedules [3]

Interactions

drug adverse effects of pharmaceutical monoclonal antibodies

General

trastuzumab (Herceptin, Herzuma, CT-P6)

References

  1. FDA Approved drugs. 2022. August 2022 FDA grants accelerated approval to fam-trastuzumab deruxtecan-nxki for HER2-mutant non-small cell lung cancer. https://www.fda.gov/drugs/resources-information-approved-drugs/fda-grants-accelerated-approval-fam-trastuzumab-deruxtecan-nxki-her2-mutant-non-small-cell-lung
  2. HIGHLIGHTS OF PRESCRIBING INFORMATION Enhertu: fam-trastuzumab deruxtecan-nxki) for injection, for intravenous use https://www.accessdata.fda.gov/drugsatfda_docs/label/2022/761139s021lbl.pdf
  3. FDA MedWarch. May 6, 2013 Kadcyla (ado-trastuzumab emtansine): Drug Safety Communication - Potential Medication Errors Resulting from Name Confusion. http://www.fda.gov/Safety/MedWatch/SafetyInformation/SafetyAlertsforHumanMedicalProducts/ucm350817.htm