In my first study, first-line amivantamab plus lazertinib significantly improved PFS and OS compared to osimertinib in advanced stage EGFR mutant lung cancer. Consistent with other EGFR target therapy, amivantamab plus lazertinib is associated with EGFR-related skin rash which are mostly grade 1 or 2 and occurs within 4 months of treatment. Cocoon study was conducted to evaluate whether enhanced dermatology management or Cocoon-DEM could reduce dermatologic adverse event in patients receiving first-line amivantamab plus lazertinib...
In my first study, first-line amivantamab plus lazertinib significantly improved PFS and OS compared to osimertinib in advanced stage EGFR mutant lung cancer. Consistent with other EGFR target therapy, amivantamab plus lazertinib is associated with EGFR-related skin rash which are mostly grade 1 or 2 and occurs within 4 months of treatment. Cocoon study was conducted to evaluate whether enhanced dermatology management or Cocoon-DEM could reduce dermatologic adverse event in patients receiving first-line amivantamab plus lazertinib. So in the Cocoon study, Cocoon-DEM significantly reduced grade 2 or higher dermatologic adverse event compared to standard care in patients receiving first-line amivantamab plus lazertinib. Progression-free survival was comparable between two arms, and the benefit with Cocoon-DEM was consistent across different skin sites. We also looked at patient-reported outcome, and then Cocoon-DEM was associated with improved quality of life and reduced dermatologic symptom compared to standard care in patients receiving first-line amivantamab plus lazertinib. Objective response rate was comparable between two arms, which suggests that Cocoon-DEM did not alter anti-tumor activity of amivantamab plus lazertinib. Treatment modification and discontinuation of Cocoon-DEM was rare and uncommon and the effect of Cocoon-DEM was maintained even after discontinuation of oral antibiotics. So in conclusion Cocoon-DEM significantly reduced grade 2 or higher incidence of dermatology adverse event related to first-line amivantamab plus lazertinib compared to standard care and it also significantly improved patient quality of life and reduced dermatologic symptoms associated with this treatment. So since amivantamab plus lazertinib produce clinically meaningful overall survival benefit compared to osimertinib and Cocoon-DEM further enhance improved risk to benefit profile of this treatment. MARPIPOSA along with the Cocoon-DEM regimen can be standard care in treatment for EGFR mutant advanced stage NSCLC patient population.
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