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Brief Title: A Study of Dual-SIgnaling Protein 107 (DSP107) for Patients With Hematological Malignancies
Official Title: An Open-label Phase Ib Study of DSP107 for Acute Myeloid Leukemia (AML) and Myelodysplastic Syndrome (MDS)
Study ID: NCT04937166
Brief Summary: This study will be divided into two parts, Parts A and B and will enroll patients with relapsed/refractory AML or MDS/chronic myelomonocytic leukemia (CMML) patients who have failed up to 2 prior therapeutic regimens. Part A is a dose escalation study to explore the safety, efficacy, pharmacokinetic (PK) and pharmacodynamic (PD) profile of DSP107 when administered in combination with azacitidine (AZA). Part B is a dose escalation study to explore the safety, efficacy, PK and PD profile of DSP107 when administered in combination with AZA and venetoclax (VEN).
Detailed Description: Part A is a dose escalation study in up to 4 cohorts of patients designed to test the safety and efficacy of DSP107 administered alone and in combination with AZA. The DSP107 starting dose level in Part A will be 0.3 mg/kg based on aggregate safety, PK and PD data from study DSP107_001, an ongoing study exploring the safety of escalating DSP107 doses in patients with advanced solid tumors. There will be a single DLT evaluation period, lasting 28 days, to determine the safety of DSP107 in combination with AZA. The safety, efficacy and PK data will be used to establish a recommended Phase II dose for potential future expansion cohorts and a starting dose for Part B. Part B is a dose escalation study in 2 cohorts of patients that will test the safety and efficacy of DSP107 in combination with AZA and VEN. The starting dose for Part B will be at least one dose level lower than the DSP107 dose selected in Part A as being safe and effective in combination with AZA. Once a safe, effective dose has been established in Part B, a recommended phase 2 dose for patients with newly diagnosed AML will be agreed with the FDA at an End-of-Phase 1 meeting.
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
The University of Texas MD Anderson Cancer Center, Department of Leukemia, Houston, Texas, United States