Amgen Buys Dark Blue Therapeutics to Strengthen Oncology Pipeline

Core Insights - Amgen has acquired Dark Blue Therapeutics for approximately $840 million, enhancing its oncology pipeline [1][8] - The acquisition adds a preclinical small-molecule degrader targeting MLLT1/3 proteins associated with specific types of acute myeloid leukemia (AML) [2][8] - Amgen currently does not market any therapies for AML but has Blincyto approved for acute lymphoblastic leukemia (ALL) and is developing bispecific T-cell engagers for AML [3][8] Amgen's Oncology Pipeline - Amgen has a diverse oncology portfolio, including drugs like Blincyto, Imdelltra, Lumakras, Vectibix, Kyprolis, Nplate, and Xgeva [6] - Key candidates in its late-stage oncology pipeline include bemarituzumab for gastric cancer and xaluritamig for metastatic castrate-resistant prostate cancer [6] - Ongoing phase III studies are evaluating Imdelltra in small cell lung cancer and biosimilars for Opdivo, Keytruda, and Ocrevus [6] Competitive Landscape - Major competitors in the oncology space include Pfizer, AstraZeneca, Merck, Johnson & Johnson, and Bristol-Myers [9] - Pfizer's oncology sales account for about 28% of total revenues, with a 7% increase in the first nine months of 2025 [10] - AstraZeneca's oncology segment comprises around 43% of total revenues, with a 16% increase in sales during the same period [11] - Merck's Keytruda, a key oncology drug, generated $23.3 billion in sales in the first nine months of 2025, up 8% year over year [12] - Bristol-Myers' Opdivo accounts for approximately 20% of its total revenues, with sales rising 8% to $7.54 billion [13] - Johnson & Johnson's oncology sales represent around 27% of total revenues, with a 20.6% operational increase in the first nine months of 2025 [14]