A Phase I, Multicenter, Open-Label, Dose-Escalation and Expansion, Safety, Pharmacokinetic, Pharmacodynamic, and Clinical Activity Study of Orally Administered AG-120 in Subjects With Advanced Hematologic Malignancies With an IDH1 Mutation
The purpose of this Phase I, multicenter study is to evaluate the safety, pharmacokinetics, pharmacodynamics and clinical activity of AG-120 in advanced hematologic malignancies that harbor an IDH1 mutation. The first portion of the study is a dose escalation phase where cohorts of patients will receive ascending oral doses of AG-120 to determine maximum tolerated dose (MTD) and/or the recommended Phase II dose. The second portion of the study is a dose expansion phase where four cohorts of patients will receive AG-120 to further evaluate the safety, tolerability, and clinical activity of the recommended Phase II dose. Additionally, the study includes a substudy evaluating the safety and tolerability, clinical activity, pharmacokinetics, and pharmacodynamics of AG-120 in subjects with relapsed or refractory myelodysplastic syndrome with an IDH1 mutation. Anticipated time on study treatment is until disease progression or unacceptable toxicity occurs.
• Subject must be ≥18 years of age.
• Subjects must have documented IDH1 R132 gene-mutated advanced hematologic malignancy based on local or central evaluation.
• Subjects must be amenable to serial bone marrow biopsies, peripheral blood sampling, and urine sampling during the study.
• Subjects must have ECOG PS of 0 to 2.
• Platelet count ≥20,000/µL (Transfusions to achieve this level are allowed).
• Subjects must have adequate hepatic function as evidenced by: Aspartate aminotransferase (AST), alanine aminotransferase (ALT), and alkaline phosphatase (ALP) ≤3.0 × ULN, unless considered due to leukemic disease and serum total bilirubin ≤1.5 x upper limit of normal (ULN), unless considered due to Gilbert's disease or leukemic disease
• Subjects must have adequate renal function as evidenced by a serum creatinine ≤2.0 × ULN or creatinine clearance \>40mL/min based on Cockroft-Gault glomerular filtration rate (GFR)
• Subjects must be recovered from any clinically relevant toxic effects of any prior surgery, radiotherapy, or other therapy intended for the treatment of cancer.
• Female subjects with reproductive potential must have a negative serum pregnancy test within 7 days prior to the start of therapy and on the first day of study drug administration.