Acute Myeloid Leukemia Clinical Trial
Study of ADI-PEG 20, Venetoclax and Azacitidine in Acute Myeloid Leukemia
Pegylated arginine deiminase (ADI-PEG 20) will be combined with venetoclax and azacitidine for treatment of subjects with previously treated or untreated with high risk factor acute myeloid leukemia (AML). Venetoclax and azacitidine are front-line therapy for such patients, and ADI-PEG 20 will be added to this regimen in a phase IA/B study.
This is an open label, single arm, phase 1 trial with recommended phase 2 dose (RP2D) cohorts based on subject inclusion criteria.
Lead In: 6 patients will be enrolled to be treated with standard dose of azacitidine and venetoclax and the expected RP2D of ADI-PEG 20 (dose level 0). In case of DLT occurring in >1 patient in cycle 1, 6 additional patients will be accrued at dose level -1 of ADI-PEG 20 while keeping the doses of azacitidine and venetoclax unchanged (Dose level -1). Enrollment to cohort 1 and 2 will start after ≤1 patient out of 6 encounters DLT in cycle 1 at one of these dose levels. The 6 patients enrolled at that dose level will be counted for efficacy analysis in Cohort 1. Cohort 1: Relapsed or refractory AML: target response 25%. Historical expectation for venetoclax and azacitidine is 15%.
Cohort 2: Newly diagnosed high risk AML: Target response 55%. Historical expectation for venetoclax and azacitidine is 40%.
Treatment may be continued for a total of 24 cycles, each of 28 days.
Cohort 1: Previously treated (relapsed/recurrent) or refractory AML based on the 2016 revision to the World Health Organization (WHO) criteria (Arber 2016)
Cohort 2: Untreated AML per 2016 WHO (Arber 2016) criteria with high-risk features and not a candidate for intensive chemotherapy because of age 60 years or older, age-related comorbidities, cardiac disease, prior anthracycline use, high probability of treatment-related mortality, or otherwise would not benefit from intensive chemotherapy treatment.
Age ≥ 18 years
Life expectancy reasonably adequate for evaluating the treatment
White blood cell (WBC) count of 10 × 109/L or less. (Use of hydroxyurea to control WBC is allowed till 48 hours prior to protocol treatment)
Adequate renal function: Creatinine ≤ 1.5 x upper limit of normal (ULN) or creatinine clearance > 40 mL/minute (measured or calculated according to the Cockcroft-Gault formula)
Adequate liver function
Total bilirubin ≤ 1.5 x ULN
ALT and AST both ≤ 2.5 x institutional ULN or ≤ 5 times the ULN for patients with leukemic involvement of liver
Prior treatments as follows:
Cohort 1: >2 cycles of prior combination treatment with venetoclax+hypomethelating agent (i.e. azacitidine, decitabine) is exclusionary. All other prior treatment for antecedent hematological disorders and/or for AML is permitted.
Cohort 2: Prior treatment for antecedent hematological disorders with venetoclax or chemotherapy or any prior treatment for their AML is exclusionary. However, treatment with other agents, including hydroxyurea or ≤2 cycles of hypomethylating agent (i.e. azacitidine, decitabine), for MDS or myeloproliferative neoplasm is permitted.
Cohort 2: Favorable risk AML per European LeukemiaNet (ELN) 2022 criteria (Döhner 2022)
Known active CNS involvement by leukemia
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There are 3 Locations for this study
Skokie Illinois, 60077, United States More Info
Charlotte North Carolina, 28204, United States More Info
Houston Texas, 77030, United States More Info
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