Ibrutinib and Blinatumomab in Treating Patients With Relapsed or Refractory B Acute Lymphoblastic Leukemia

  • End date
    Jan 17, 2023
  • participants needed
  • sponsor
    Brian Jonas
Updated on 20 October 2021
philadelphia chromosome
monoclonal antibodies
gilbert's syndrome
monoclonal antibody therapy
monoclonal protein
refractory b acute lymphoblastic leukemia


This phase II trial studies how well ibrutinib and blinatumomab work in treating patients with B acute lymphoblastic leukemia that has come back or is not responding to treatment. Ibrutinib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Monoclonal antibodies, such as blinatumomab, may interfere with the ability of cancer cells to grow and spread. Giving ibrutinib and blinatumomab may work better in treating patients with relapsed or refractory B acute lymphoblastic leukemia.



I. To evaluate the efficacy of ibrutinib and blinatumomab in patients with relapsed or refractory B acute lymphoblastic leukemia (B-ALL) as measured by complete response (CR) rate.


I. To further examine the efficacy and safety of ibrutinib and blinatumomab in patients with relapsed or refractory B-ALL as measured by overall response rate (ORR, defined as CR plus CR with incomplete count recovery [CRi]), relapse free survival (RFS), overall survival (OS), minimal residual disease (MRD) response, proportion of patients bridged to allogeneic hematopoietic cell transplant (allo-HCT), and toxicity.

Condition Philadelphia Chromosome Positive, Adult B Acute Lymphoblastic Leukemia
Treatment Ibrutinib, Blinatumomab
Clinical Study IdentifierNCT02997761
SponsorBrian Jonas
Last Modified on20 October 2021


Yes No Not Sure

Inclusion Criteria

Pathologically confirmed diagnosis of relapsed or refractory B-cell acute lymphoblastic leukemia/lymphoma with measurable bone marrow lymphoblasts or biopsy-proven extramedullary site measurable by computed tomography (CT) or positron emission tomography (PET)/CT imaging; Philadelphia chromosome-positive (Ph+) B-ALL patients must have failed treatment with at least one second generation tyrosine kinase inhibitor; prior allo-HCT is allowed
No hematologic parameters for inclusion; transfusion-dependent patients are eligible and platelet counts should be maintained greater than 10,000/mm^3 throughout cycles 1 and 2
Bilirubin less than or equal to 1.5 x upper limit of normal (ULN) (unless bilirubin rise is due to Gilbert's syndrome or B-ALL or non-hepatic origin)
Serum aspartate transaminase (aspartate aminotransferase [AST]) or alanine transaminase (alanine aminotransferase [ALT]) less than or equal to 3 x ULN (unless due to B-ALL)
Estimated creatinine clearance greater than or equal to 30 ml/min (Cockcroft-Gault) or serum creatinine less than or equal to 2 x ULN
Prothrombin time (PT)/international normalized ratio (INR) =< 1.5 x ULN and partial thromboplastin time (PTT) (activated partial thromboplastin time [aPTT]) =< 1.5 x ULN (unless B-ALL related)
Karnofsky performance status (KPS) performance status of 60% or greater
Ability to understand and willingness to sign an informed consent form
Ability to adhere to the study visit schedule and other protocol requirements
Female subjects who are of non-reproductive potential (i.e., post-menopausal by history - no menses for >= 1 year; OR history of hysterectomy; OR history of bilateral tubal ligation; OR history of bilateral oophorectomy); female subjects of childbearing potential must have a negative serum or urine pregnancy test within 72 hours prior to the first study drug administration
Male and female subjects who agree to use both a highly effective methods of birth control (e.g., condoms, implants, injectables, combined oral contraceptives, some intrauterine devices [IUDs], complete abstinence, or sterilized partner) and a barrier method (e.g. condoms, vaginal ring, sponge, etc) during the period of therapy and for 90 days after the last dose of study drug
Eligibility of patients receiving any medications or substances known to affect or with the potential to affect the activity or pharmacokinetics of ibrutinib or blinatumomab will be determined following review of their case by the investigator

Exclusion Criteria

Diagnosis of T acute lymphoblastic leukemia (T-ALL) or Burkitt's leukemia/lymphoma
Patients with current evidence of active central nervous system (CNS) leukemia
History of treatment with ibrutinib or blinatumomab
Investigational therapy, chemotherapy, immunotherapy, radiotherapy, or systemic graft versus host disease (GVHD) therapy within two weeks or five half-lives (whichever is shorter); steroids, hydroxyurea and/or leukapheresis are allowed to control blast count prior to the first dose of study drug
Prior allo-HCT less than three months from the time of enrollment
Any active acute GVHD or chronic GVHD greater than grade 1
History of allergic reactions attributed to compounds of similar chemical or biologic composition to ibrutinib and blinatumomab or other agents used in this study
Vaccinated with live, attenuated vaccines within 4 weeks of first dose of study drug
Recent culture-documented infection requiring intravenous antimicrobials that was completed =< 7 days before the first dose of study drug or any uncontrolled active systemic infection; fever of unknown origin is not an exclusion criterion, as this may be disease-related
Unresolved toxicities from prior anti-cancer therapy, defined as having not resolved to Common Terminology Criteria for Adverse Event (CTCAE, version [v]4.03), grade =< 2, or to the levels dictated in the inclusion/exclusion criteria with the exception of alopecia
Known bleeding disorders (e.g., von Willebrand's disease) or hemophilia
History of stroke or intracranial hemorrhage within 6 months prior to enrollment
Active infection with human immunodeficiency virus (HIV), hepatitis C virus (HCV) or hepatitis B virus (HBV); subjects who are positive for hepatitis B core antibody, hepatitis B surface antigen, or hepatitis C antibody must have a negative polymerase chain reaction (PCR) result before enrollment; those who are PCR positive will be excluded; subjects with HIV must have a CD4 count at or above the institutional lower limit of normal and not taking prohibited CYP3A strong inhibitors
Major surgery within 4 weeks of first dose of study drug
Any life-threatening illness, medical condition, or organ system dysfunction, including but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, active autoimmune disorder, or psychiatric illness/social situations that, in the investigator's opinion, could compromise the subject's safety or put the study outcomes at undue risk; currently active, clinically significant cardiovascular disease, such as uncontrolled arrhythmia or class 3 or 4 congestive heart failure as defined by the New York Heart Association Functional Classification; or a history of myocardial infarction, unstable angina, or acute coronary syndrome within 6 months prior to enrollment
History of other malignancies, except for malignancy surgically resected (or treated with other modalities) with curative intent, adequately treated in situ carcinoma of the breast or cervix uteri, basal cell carcinoma of the skin or localized squamous cell carcinoma of the skin; malignancy treated with curative intent with no known active disease present for >= 3 years
Concomitant use of warfarin or other Vitamin K antagonists
Subjects who received a strong cytochrome P 450 3A (CYP3A) inhibitor within 7 days prior to the first dose of ibrutinib or subjects who require continuous treatment with a strong CYP3A inhibitor
Currently active, clinically significant hepatic impairment Child-Pugh class B or C according to the Child Pugh classification
Breastfeeding or pregnant
Participation in clinical trials with other investigational agents not included in this trial throughout the duration of this trial
Unwilling or unable to participate in all required study evaluations and procedures or unable to understand the purpose and risks of the study and to provide a signed and dated informed consent form (ICF) and authorization to use protected health information (in accordance with national and local subject privacy regulations)
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