On November 19, 2025, the FDA granted accelerated approval to sevabertinib (Hyrnuo), a kinase inhibitor, for adults with locally advanced or metastatic non-squamous non–small cell lung cancer (NSCLC) with HER2 tyrosine kinase domain (TKD)-activating mutations, as identified by an FDA-approved test, who had received prior systemic therapy. The FDA also approved the Oncomine Dx Target Test as a companion diagnostic for detecting HER2 TKD-activating mutations.1
Efficacy was evaluated in the SOHO-01 trial (NCT05099172), an open-label, single-arm, multicenter study. Among 70 patients with HER2 TKD mutations who had not received prior HER2-targeted therapy, the objective response rate (ORR) was 71%, with a median duration of response (DOR) of 9.2 months. In 52 patients previously treated with HER2-targeted antibody-drug conjugates, the ORR was 38%, with a median DOR of 7.0 months.
The prescribing information includes warnings for diarrhea, hepatotoxicity, interstitial lung disease/pneumonitis, ocular toxicity, pancreatic enzyme elevation, and embryo-fetal toxicity. The recommended dose is 20 mg orally twice daily with food until disease progression or unacceptable toxicity.
Reference
- US Food and Drug Administration. FDA grants accelerated approval to sevabertinib for non-squamous non–small cell lung cancer. November 19, 2025. Accessed November 30, 2025. www.fda.gov/drugs/resources-information-approved-drugs/fda-grants-accelerated-approval-sevabertinib-non-squamous-non-small-cell-lung-cancer