Janssen’s Amivantamab Combo Shows Promise In First-Line NSCLC

Tagrisso Head-To-Head Set To Begin

Janssen presents highly encouraging interim results at ESMO from the CHRYSALIS study with a combination of amivantamab and lazertinib. Based on the data, the global Phase III MARIPOSA study, which will assess the combo versus blockbuster Tagrisso, will begin next month including in South Korea, home to lazertinib's originator. 

Doctor examining at lungs radiograph x-ray film of patient in operation room. medical concept.
Achieving Superiority Over Tagrisso Could Be Paradigm Changing • Source: Shutterstock

Janssen Pharmaceutical Cos. has unveiled very promising interim results from the CHRYSALIS study evaluating amivantamab, a bispecific antibody targeting epidermal growth factor receptor (EGFR) and mesenchymal epithelial transition factor (MET) mutations, in combination with the third-generation EGFR tyrosine kinase inhibitor (TKI) lazertinib, in patients with non-small cell lung cancer (NSCLC) with EGFR exon 19 deletions or L858R mutations.

The Phase Ib study results from CHRYSALIS, presented in oral form at the European Society for Medical Oncology (ESMO) Virtual Congress 2020, will lead into the Phase III MARIPOSA study, which will assess the amivantamab/lazertinib combo versus osimertinib (

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