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NCT03471260 | RECRUITING | Acute Myeloid Leukemia

Ivosidenib and Venetoclax With or Without Azacitidine in Treating Patients With IDH1 Mutated Hematologic Malignancies
Sponsor:

M.D. Anderson Cancer Center

Brief Summary:

This phase Ib/II trial studies the side effects and best dose of venetoclax and how well it works when given together with ivosidenib with or without azacitidine, in treating patients with IDH1-mutated hematologic malignancies. Venetoclax and ivosidenib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Drugs used in chemotherapy, such as azacitidine, work in different ways to stop the growth of cancer cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving ivosidenib and venetoclax with azacitidine may work better in treating patients with hematologic malignancies compared to ivosidenib and venetoclax alone.

Condition or disease

Acute Myeloid Leukemia

Hematopoietic and Lymphoid System Neoplasm

Myelodysplastic Syndrome

Myeloproliferative Neoplasm

Recurrent Acute Myeloid Leukemia

Refractory Acute Myeloid Leukemia

Intervention/treatment

Azacitidine

Ivosidenib

Venetoclax

Phase

PHASE1

PHASE2

Detailed Description:

PRIMARY OBJECTIVES: I. To determine the safety and tolerability, maximum tolerated dose (MTD), and recommended phase 2 dose (RP2D) of the combination of ivosidenib with venetoclax, with or without the addition of azacitidine, in IDH1-mutated patients with advanced hematologic malignancies. (Phase Ib) II. To determine the overall response rate (ORR) including complete response (CR), CR with incomplete blood count recovery (CRi), morphologic leukemia-free state (MLFS), and partial response (PR) of the combination of ivosidenib and venetoclax, with or without the addition of azacitidine, in IDH1-mutated patients with acute myeloid leukemia (AML). (Phase II) SECONDARY OBJECTIVES: I. Characterize the pharmacokinetic (PK) profiles of venetoclax and ivosidenib in combination in plasma samples (in Part 1b). II. To evaluate molecular and cellular biomarkers that may be predictive of antitumor activity and/or resistance to treatment including evaluation of 2HG, IDH1 VAF levels before, during and after treatment. III. To determine time to event endpoints including duration of response (DOR), event free survival (EFS) and overall survival (OS). EXPLORATORY OBJECTIVES: I. Evaluate minimal residual disease (MRD) using multiparameter flow cytometry, cytogenetics and molecular evaluation. II. Evaluate global gene expression profiles, deoxyribonucleic acid (DNA) methylation profiles, BH3 profiling and other potential prognostic markers to explore predictors of antitumor activity and/or resistance to treatment. OUTLINE: This is a phase Ib, dose-escalation study of venetoclax followed by a phase II study. Patients receive venetoclax orally (PO) daily on days 1-14. Patients also receive ivosidenib PO daily on days 15-28 of cycle 1 and days 1-28 of subsequent cycles. Patients may also receive azacitidine intravenously (IV) over 30-60 minutes or subcutaneously (SC) on days 1-7. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. After completion of study treatment, patients are followed up at 30 days, and then monthly for 3 years.

Study Type : INTERVENTIONAL
Estimated Enrollment : 96 participants
Masking : NONE
Primary Purpose : TREATMENT
Official Title : Phase Ib/II Investigator Initiated Study of the IDH1-Mutant Inhibitor Ivosidenib (AG120) With the BCL2 Inhibitor Venetoclax +/- Azacitidine in IDH1-Mutated Hematologic Malignancies
Actual Study Start Date : 2018-03-19
Estimated Primary Completion Date : 2025-09-30
Estimated Study Completion Date : 2025-09-30

Information not available for Arms and Intervention/treatment

Ages Eligible for Study: 18 Years
Sexes Eligible for Study: ALL
Accepts Healthy Volunteers:
Criteria
Inclusion Criteria
  • 1. Age \> 18 years.
  • 2. ECOG performance status of \< 2.
  • 3. IDH1-R132 mutated disease status as assessed by local laboratory. 2HG-producing IDH1 variants outside of R132 (i.e. R100) may be eligible after discussion with the PI.
  • 4. Relapsed/refractory AML, or treatment-naïve patients with AML who are not eligible for standard induction chemotherapy. Patients with high-risk MDS, MDS/MPN or MPN (defined as \> 10% bone marrow blasts, or intermediate or high risk by IPSS, R-IPSS or D-IPSS) that have failed standard therapy may also be eligible after discussion with the PI.
  • 5. Adequate hepatic function (direct bilirubin \< 2 x ULN, ALT and/or AST \< 3x ULN) unless deemed to be related to underlying leukemia.
  • 6. Adequate renal function including creatinine clearance \> 30 ml/min based on the Cockcroft-Gault equation.
  • 7. Willing and able to provide informed consent
  • 8. In the absence of rapidly proliferative disease, the interval from prior treatment to time of initiation will be at least 7 days for cytotoxic or non-cytotoxic (immunotherapy) agents.
  • 9. Male subjects must agree to refrain from unprotected sex and sperm donation from initial study drug administration until 90 days after the last dose of study drug.
Exclusion Criteria
  • 1. Patients with known allergy or hypersensitivity to ivosidenib or venetoclax.
  • 2. Patients who have previously received either ivosidenib or venetoclax.
  • 3. Patients with any concurrent uncontrolled clinically significant medical condition including infection, laboratory abnormality, or psychiatric illness, which could place the patient at unacceptable risk of study treatment.
  • 4. The use of other chemotherapeutic agents or anti-leukemic agents is not permitted during study with the following exceptions (1) intrathecal chemotherapy for prophylactic use or for controlled CNS leukemia. (2) use of hydroxyurea and/or one dose of cytarabine (up to 2 g/m2) for patients with rapidly proliferative disease is allowed before the start of study therapy and for the first four weeks on therapy.
  • 5. Patients receiving concomitant strong CYP3A inducers (avasimibe, carbamazepine, phenytoin, rifampin, rifabutin, St. John's wort) within 3 days of start of study therapy.
  • 6. Patients with active graft-versus-host-disease (GVHD) status post stem cell transplant (patients without active GVHD on chronic suppressive immunosuppression and/or phototherapy for chronic skin GVHD are permitted after discussion with the PI).
  • 7. Patients with any severe gastrointestinal or metabolic condition which could interfere with the absorption of oral study medications.
  • 8. Patients with a concurrent active malignancy under treatment.
  • 9. QTc interval using Fridericia's formula (QTcF) \> 450 msec. Bundle branch block and prolonged QTc interval are permitted after discussion with the PI.
  • 10. Known active hepatitis B (HBV) or Hepatitis C (HCV) infection or known HIV infection.
  • 11. Subject has a white blood cell count \> 25 x 10⁹/L. (Note: Hydroxyurea is permitted to meet this criterion.)
  • 12. Nursing women, women of childbearing potential (WOCBP) with positive urine pregnancy test, or women of childbearing potential who are not willing to maintain adequate contraception a. Appropriate highly effective method(s) of contraception include oral or injectable hormonal birth control, IUD, and double barrier methods (for example a condom in combination with a spermicide).
Ivosidenib and Venetoclax With or Without Azacitidine in Treating Patients With IDH1 Mutated Hematologic Malignancies

Location Details

NCT03471260

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Locations

RECRUITING

United States, Massachusetts

Dana-Farber Cancer Institute

Boston, Massachusetts, United States, 02215

RECRUITING

United States, Ohio

Cleveland Clinic Taussig Cancer Institute, Case Comprehensive Cancer Center

Cleveland, Ohio, United States, 44195

RECRUITING

United States, Oregon

Oregon Health and Science University

Portland, Oregon, United States, 97239

RECRUITING

United States, Texas

M D Anderson Cancer Center

Houston, Texas, United States, 77030