Will Eylea, Dupixent Aid Regeneron’s (REGN) Q4 Earnings? Posted byZacks Equity Research January 31, 2022 Leave a comment on Will Eylea, Dupixent Aid Regeneron’s (REGN) Q4 Earnings? Regeneron’s (REGN) fourth-quarter performance might have gotten a boost from the solid performance of Eylea and Dupixent and incremental contribution from its antibody cocktail.