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CASI Pharma's CID-103 boosted platelets in 73% of adults with hard-to-treat low platelet counts, with a safe profile, in early trial results.
CASI Pharmaceuticals reported interim Phase 1 trial results for CID-103, an anti-CD38 antibody, in 11 adults with treatment-resistant immune thrombocytopenia at the ASH meeting on December 7, 2025.
The drug showed a manageable safety profile with no dose-limiting toxicities and only two Grade 3 adverse events.
Eight of 11 patients (73%) met the primary efficacy goal of sustained platelet count improvement, with six achieving complete response, some as early as one week after treatment.
Reductions in key immune cells and antibodies aligned with CID-103’s mechanism.
The study is ongoing under FDA and Chinese regulatory approvals, supporting further development in autoimmune diseases and transplant rejection.
El CID-103 de CASI Pharma aumentó las plaquetas en el 73% de los adultos con recuentos bajos de plaquetas difíciles de tratar, con un perfil seguro, en los resultados de los ensayos iniciales.