CTIS2023-510144-20-00招募中1 期
A Phase 1/2, open-label, 2-arm study evaluating BLU-263 as monotherapy and in combination with azacitidine, in patients with KIT altered hematologic malignancies - BLU-263-2101
适应症
试验速览
- 阶段
- 1 期
- 状态
- 招募中
- 入组人数
- 60
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Interventional
入排标准
- 年龄范围
- 18 至 65+（—）
- 性别
- All
入选标准
- •Key Inclusion Criteria : - Participant has Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0-2 - Participant must have a new Bone Marrow (BM) biopsy or may use archival tissue if taken within 56 days prior to C1D1 and participant must be willing to have follow-up BM Biopsies. - Participants receiving antineoplastic therapy within the preceding 12 weeks must have discontinued therapy due to disease progression, refractory disease, lack of efficacy, or intolerance. - Participants treated with 1 prior selective KIT inhibitor (such as avapritinib or CGT9486) will be permitted on study after confirmation of KIT D816V mutation and with written approval of the study Sponsor. Participants who discontinued treatment with a prior selective KIT inhibitor due to a severe AE that was thought to be related to prior treatment will not be eligible to participate in the study. Arm 1 (Monotherapy): Participants must have one of the following AdvSM diagnoses, based on World Health Organization (WHO) diagnostic criteria. Before enrollment, diagnosis of AdvSM must be confirmed based on Central Pathology Laboratory assessment of BM: 1. Aggressive SM (ASM). 2. SM-AHN that in the opinion of the Investigator is not considered to be a candidate for Hypomethylating agent (HMA) monotherapy. Incidental indolent, low-grade lymphoid AHNs (eg, chronic lymphocytic leukemia) not requiring treatment are eligible. 3. Mast cell leukemia (MCL), including diagnoses with an AHN component, that does not require a C-finding. 4. Upon discussion with the Sponsor, other relapsed or refractory hematologic neoplasms with evidence of aberrant KIT or PDGFR may be considered for enrollment. (eg, participants with chronic myeloid neoplasms, such as subvariants of MDS/MPN that harbor activating KIT exon 17 mutations but do not fulfill the diagnostic criteria of SM-AHN, and participants with myeloid/lymphoid neoplasms with PDGFRa/b fusion genes and mutations conferring resistance to imatinib, such as T674I or D842V). Arm 2 (Combination Therapy): A2_1. For Arm 2, patients must have an SM-AHN diagnoses, based on WHO diagnostic criteria. Diagnosis of the AHN component of SM-AHN must be confirmed based on the central pathology laboratory assessment of the BM. Upon discussion with the Sponsor hematologic neoplasms which are felt to have strong rationale to consider the combination treatment of BLU-263 and HMA may be considered for enrollment.
排除标准
- •Key Exclusion Criteria: - Diagnosis of a Philadelphia chromosome positive malignancy - Acute myeloid leukemia. - If the participant is receiving corticosteroids, and the dose has not been stable for =7 days. - Within the 14 days prior to enrollment, participant has received any antineoplastic therapy (including midostaurin, avapritinib and other tyrosine kinase inhibitors [TKIs]) or an investigational agent. - Participant has received hydroxyurea within 7 days prior to the first dose of elenestinib (BLU-263). - Participant received prior HMA therapy (e.g., azacitidine, decitabine) for the current diagnosis. - Participant must not be eligible for allogenic hematopoietic stem cell transplantation. - Participant received prior radiotherapy within 14 days of screening BM biopsy. - Participant received any hematopoietic growth factor (except erythropoietin) within 14 days of screening BM biopsy, or requiring growth factors to maintain adequate neutrophil or platelet levels. Those participants maintained on a chronic dose of erythropoietin, whose hemoglobin is stable, and dose of erythropoietin has not been changed in the prior 28 days are allowed on study. - Participant received >1 prior selective KIT inhibitor (eg: avapritinib or bezuclastinib). - Participant have any of the following laboratory abnormalities on last laboratory assessment within 14 days prior to the first dose of initiation of study drug: a. Alanine aminotransferase and aspartate aminotransferase > 3 × ULN; > 5 × ULN if associated with clinically suspected liver infiltration by mastocytosis or another disease for which the patient enrolled into the study b. Total bilirubin > 1.5 × ULN; > 3 × ULN if associated with liver infiltration by the disease being treated or in the presence of Gilbert's Disease. (In the case of Gilbert's disease, a direct bilirubin > 2.0 ULN would be an exclusion) c. Estimated (Cockcroft-Gault formula) or measured creatinine clearance < 40 mL/min d. Absolute neutrophil count < 0.5 × 10^9/L - Participant has had a major surgical procedure within 14 days of the first dose of study drug. - History of another primary malignancy that has been diagnosed or required therapy within 1 year prior to the first dose of study drug. The following are exempt from the 1-year limit: completely resected basal cell and squamous cell skin cancer, curatively treated localized prostate cancer, GI stromal tumor, and completely resected carcinoma in situ of any site. - Mean resting QTcF > 480 msec, a history of prolonged QT syndrome or Torsades de pointes, or a familial history of prolonged QT syndrome. - Clinically significant, uncontrolled, cardiovascular disease. Arm 1 (Monotherapy): - Myelodysplastic Syndrome (MDS) that is very high- or high-risk as defined by the International Prognostic Scoring System for Myelodysplastic Syndromes-Revised (IPSS-R). - A myeloid AHN with =10% BM or peripheral blood blasts. - Platelet count <50 x 10^9/L (within 4 weeks prior to the first dose of study drug) or receiving platelet transfusions or thrombopoietin receptor agonists (TPO-RA) within the prior 14 days. Arm 2 (Combination Therapy): A2_1. Intermediate, low, or very low risk MDS. A2_2. Known hypersensitivity to azacitidine or any of their ingredients. A2_3. Platelet count < 75 x 109/L (within 4 weeks of the first dose of study drug) or receiving platelet transfusions or TPO-RA within the prior 14 days.
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