Investment Rating - The biotechnology industry in North America is rated as Attractive [4]. Core Insights - Initial Phase I/II data for Genmab's Rinatabart sesutecan (Rina-S) in advanced endometrial cancer shows an unconfirmed overall response rate (ORR) of 50% for the 100 mg/m² dosing cohort and approximately 45% for the 120 mg/m² cohort, indicating competitive efficacy [3][6]. - Legend Biotech's Carvykti demonstrates promising outcomes in high-risk multiple myeloma (MM) with a median progression-free survival (mPFS) of 13 months compared to 4 months for standard of care [12]. - The pipeline updates for DLL3 and Claudin 18.2 programs from Legend Biotech show early efficacy signals, warranting further observation [6]. Summary by Relevant Sections Genmab (GMAB) - The report highlights initial data from the GTC1184-01 study, focusing on Rina-S for advanced endometrial cancer, with a median follow-up of approximately 19 weeks [3]. - The safety profile indicates that over 15% of patients required dose reductions, with one Grade 5 event noted [3][7]. - The efficacy signal is considered strong when compared to Merck's TROP2 ADC, which had an ORR of about 34% [3][7]. Legend Biotech (LEGN) - The CART-4 subgroup analysis shows promising outcomes in high-risk MM, with 5-year CART-1 data indicating a functional cure in about one-third of patients [6]. - The ongoing Phase I study of LB2102 in relapsed or refractory small cell lung cancer (SCLC) shows strong tolerability and initial signs of dose-dependent efficacy [10]. - Preliminary results from LB1908 in advanced gastroesophageal adenocarcinoma indicate tumor reductions of 1% to 41% in treated patients [11]. Overall Industry Insights - The report anticipates limited stock impact for both Genmab and Legend Biotech from the ASCO abstracts, with further details expected from full presentations [6]. - The biotechnology sector is viewed positively, with expectations for continued advancements and potential market opportunities [4].