Regulatory approval

Published by the Food and Drug Administration. Accelerated

ZIHERA is a bispecific HER2-directed antibody indicated for the treatment of adults with previously treated, unresectable or metastatic HER2-positive (IHC 3+) biliary tract cancer (BTC), as detected by an FDA-approved test. This indication is approved under accelerated approval based on overall response rate and duration of response. Continued approval for this indication may be contingent upon verification and description of clinical benefit in a confirmatory trial(s).

This is written in the approval document.

Citation

Astellas Pharma US, Inc. Ziihera (zanidatamab-hrii) [package insert]. U.S. Food and Drug Administration website. https://www.accessdata.fda.gov/drugsatfda_docs/nda/2024/761416Orig1s000Lbl.pdf. Revised November 2024. Accessed January 10, 2025.

Therapeutic response

Precision oncology relationships for therapeutic response derived from this regulatory approval.

Organizations Biomarkers Cancer types Therapies
FDA (1) HER2-positive Intraductal Papillary Neoplasm of the Bile Duct Zanidatamab
FDA (1) HER2-positive Intracholecystic Papillary Neoplasm Zanidatamab
FDA (1) HER2-positive Cholangiocarcinoma Zanidatamab