IMM01+Azacitidine VS Placebo +Azacitidine in Patients With Newly Diagnosed Chronic Myelomonocytic Leukemia (CMML1-2)

Exclusion Criteria

• •Previous treatment with anti-CD47 monoclonal antibody/SIRPα fusion protein;
• •History of allogeneic stem cell transplant and other organ transplants; Patients who have undergone autologous haematopoietic stem cell transplant;
• •Prior diagnosis of: therapy-related Myelodysplastic syndrome / Myeloproliferative neoplasm(MDS/MPN); MDS evolved from a pre-existing Myelodysplastic syndrome / Myeloproliferative neoplasm (MDS/MPN) ;other MDS/MPN including atypical chronic myeloid leukemia (aCML), juvenile myelomonocytic leukemia (JMML) and unclassifiable MDS/MPN. Patients positive for BCR-ABL fusion genes, PDGFRA, PDGFRB, and FGFR1 rearrangements need to be excluded;
• •Current or history of central nervous system (CNS) leukemia, extramedullary leukemia(excluding: Enlarged spleen, enlarged liver, enlarged lymph nodes), or myeloid sarcoma;
• •Diagnosis of other malignant neoplasms within 3 years prior to the first dose. Exceptions: a. Radically treated cervical carcinoma in situ or non-melanoma skin cancer,Surgery-cured prostate cancer and papillary thyroid cancer; b. a second primary cancer that has been curatively treated and has no recurrence within three years;