Janssen Seeks Expanded Rybrevant Use

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Janssen Pharmaceutical has submitted a supplemental BLA for Rybrevant (amivantamab-vmjw) in combination with chemotherapy (carboplatin and pemetrexed) for treating patients with locally advanced or metastatic non-small cell lung cancer (NSCLC) with epidermal growth factor receptor (EGFR) exon 19 deletions (ex19del) or L858R substitution after disease progression on or after osimertinib. “New treatment options are urgently needed in the post-osimertinib setting, where patients continue to face unacceptable survival rates,” the company says in a statement.

The submission is based on data from the Phase 3 MARIPOSA-2 (NCT04988295) study evaluating the efficacy and safety of Rybrevant and chemotherapy in patients with the specific lung cancer. Progression-free survival was significantly longer for amivantamab and chemotherapy and amivantamab/lazertinib/chemotherapy versus chemotherapy, according to the company. The objective response rate was significantly higher for amivantamab/chemotherapy and amivantamab/Lazertinib/chemotherapy versus chemotherapy (64% and 63% versus 36%, respectively).

Rybrevant was originally granted an accelerated approved 5/2021 as a single agent for treating adult patients with NSCLC whose tumors have EGFR exon 20 insertion mutations.

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