Group 1 - Investors in the biotechnology sector have seen significant stock price increases, with Nektar Therapeutics and Mineralys Therapeutics both experiencing over 100% gains in the month leading up to September 19 [1] - Nektar Therapeutics' stock surged 108% from August 18 to September 18, driven by positive investor sentiment regarding its lead candidate, rezpegaldesleukin, an IL-2 pathway agonist [3][4] - In a phase 2b study for moderate to severe eczema, the highest dose of rezpegaldesleukin showed a 30% placebo-adjusted improvement, indicating potential competition with Dupixent, which generated $14.2 billion in sales last year [4][5] Group 2 - In the Rezolve-AD trial, 42% of patients achieved 75% skin clearance with rezpegaldesleukin compared to 17% in the placebo group, and in a longer treatment duration group, 62% achieved the same result [5][6] - Nektar Therapeutics currently has a market cap of $989 million, which is considered low for a company with a potential blockbuster treatment in mid-stage trials, although it has no products on the market [7] - A successful phase 3 trial for rezpegaldesleukin could significantly increase Nektar's stock value, but the company has not yet initiated a phase 3 program [9]