The FDA has expanded the approval of Bayer’s Hyrnuo (sevabertinib) to the first-line treatment of HER2-mutated non-small cell lung cancer (NSCLC) — meaning eligible patients can now receive it as an initial therapy, not only after other treatment has failed.

What changed

Sevabertinib is a kinase inhibitor — a targeted pill — for adults with locally advanced or metastatic non-squamous NSCLC whose tumors carry HER2 (ERBB2) activating mutations, detected by an FDA-authorized test. It previously required patients to have had prior systemic therapy; the FDA (approval dated September 9, 2026) removed that requirement, opening the door to previously untreated patients.

The evidence

The decision, an accelerated approval, rested on the single-arm Phase 1/2 SOHO-01 trial, in which 75% of patients responded (objective response rate; 69 evaluable patients). Because it’s accelerated approval, continued approval may depend on a confirmatory trial verifying clinical benefit.

Why it matters

HER2 mutations drive a subset of lung cancers, and moving an effective targeted therapy earlier in treatment can spare some patients a round of chemotherapy. The move also intensifies competition in HER2-mutant NSCLC. This is regulatory news, not medical advice; treatment choices belong with an oncologist.