Immunotherapies Replacing Chemotherapy as Blood Cancer Market to Hit $13B by 2030

Core Insights - The FDA's recent approval of the first bispecific antibody combination for second-line blood cancer treatment signifies a major shift from traditional chemotherapy, with engineered cell therapies and bispecific antibodies achieving response rates over 90% in relapsed and refractory hematologic malignancies [1][2] Company Developments - GT Biopharma, Inc. is advancing its Phase 1 clinical trial of GTB-3650 to Cohort 4, with patients receiving a dose of 10 µg/kg/day, focusing on relapsed or refractory blood cancers expressing CD33, particularly acute myeloid leukemia (AML) and high-risk myelodysplastic syndrome (MDS) [3][4][6] - The therapy utilizes the patient's natural killer cells to target cancer cells, with treatment structured in two-week cycles followed by rest intervals, continuing for up to four months based on patient response [5][6] - The current dose in Cohort 4 is seen as a threshold for potential clinical efficacy, supported by positive immunological biomarker trends and no dose-limiting toxicities reported across previous cohorts [6][7] - GT Biopharma is also developing GTB-5550, targeting B7H3 in various solid tumors, with regulatory submission for human trials expected in late December 2025 or January 2026 [8][9] Market Trends - The CAR-T cell therapy market is projected to grow from $3.87 billion in 2024 to $13.25 billion by 2030, driven by its efficacy in treating relapsed and refractory patient populations [2]