Life-threatening illness or organ system dysfunction compromising safety evaluation Any life-threatening illness, medical condition, or organ system dysfunction that, in the investigator’s opinion, could compromise the subject’s safety or put the study outcomes at undue risk Any life-threatening illness, medical condition, or organ system dysfunction that, in the investigator’s opinion, could compromise the subject’s safety or put the study outcomes at undue risk Any life-threatening illness, medical condition, or organ system dysfunction that, in the opinion of the investigator, could compromise the subject’s safety or put the study outcomes at undue risk Any life-threatening illness, medical condition, or organ system dysfunction that, in the investigator's opinion, could compromise the subject's safety or put the study outcomes at undue risk Subjects with life-threatening illnesses other than MDS, uncontrolled medical conditions or organ system dysfunction which, in the investigator’s opinion, could compromise the subject’s safety, or put the study outcomes at risk Any life-threatening illness, medical condition, or organ system dysfunction that, in the investigator’s opinion, could compromise the subject’s safety or put the study outcomes at undue risk Any life-threatening illness, medical condition or organ system dysfunction which, in the investigator's opinion, could compromise the patient’s safety Any life threatening illness, medical condition, or organ system dysfunction that, in the investigator’s opinion, could compromise the subject’s safety or put the study outcomes at undue risk Any life-threatening illness, medical condition, or organ system dysfunction that, in the investigator's opinion, could compromise the subject's safety or put the study outcomes at undue risk Any life-threatening illness, medical condition, or organ system dysfunction that, in the investigator's opinion, could compromise the subject's safety or put the study outcomes at undue risk Any life-threatening illness, medical condition, or organ system dysfunction that, in the investigators’ opinion, could compromise the subject’s safety or put the study outcomes at undue risk Any life-threatening illness, known autoimmune disease, medical condition, or organ system dysfunction that, in the investigator’s opinion, could compromise the subject’s safety or put the study outcomes at undue risk Any life-threatening illness, medical condition, or organ system dysfunction that, in the investigator's opinion, could compromise the subject's safety or put the study outcomes at undue risk Any life-threatening illness, medical condition, or organ system dysfunction that, in the investigator’s opinion, could compromise the subject’s safety or put the study outcomes at undue risk Current life-threatening illness, medical condition, or organ-system dysfunction that could compromise patient safety or put the study at risk Researchers think that any life-threatening illness, condition or organ system dysfunction can damage the safety of subjects 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 Subjects with a life-threatening illness, medical condition or organ system dysfunction, or other reasons which, in the investigator’s opinion, could compromise the subject’s safety, interfere with or compromise the integrity of the study outcomes including incomplete recovery from the acute effects from any prior anti-neoplastic therapy Current life-threatening illness, medical condition, or organ system dysfunction, which, in the investigator’s opinion, could compromise the patient’s safety, or put the study at risk Any life-threatening illness, medical condition, or organ system dysfunction that, in the investigator’s opinion, could compromise the patient’s safety, or put the study at undue risk; patients with suspicious radiologic evidence of aspergillosis infection (i.e., chest computed tomography [CT] and/or brain magnetic resonance imaging [MRI]) will not be eligible unless confirmatory laboratory testing of beta-D glucan and aspergillus antigen are negative Any life-threatening illness, medical condition, or organ system dysfunction that, in the investigator’s opinion, could compromise the patient’s safety, or put the study at undue risk Any life-threatening illness, medical condition, or organ system dysfunction that, in the investigator’s opinion, could compromise the subject’s safety or put the study outcomes at undue risk Any life-threatening illness, medical condition, or organ system dysfunction that, in the investigator’s opinion, could compromise the subject’s safety or put the study outcomes at undue risk Any life-threatening illness, medical condition, organ system dysfunction, need for profound anticoagulation, or bleeding disorder, which, in the investigator's opinion, could compromise the subject's safety A life-threatening illness, medical condition (including psychiatric conditions) or organ system dysfunction which, in the investigator's opinion, could compromise the subject's safety Any life-threatening illness, medical condition or organ system dysfunction which, in the investigator's opinion, could compromise the subject's safety or put the study outcomes at undue risk Any life-threatening illness, medical condition, or organ system dysfunction that, in the investigator's opinion, could compromise the subject's safety or put the study outcomes at undue risk. Any life-threatening illness, medical condition, or organ system dysfunction that, in the opinion of the investigator, could compromise the subject's safety or put the study outcomes at undue risk Current life-threatening illness, medical condition, or organ system dysfunction which, in the investigator’s opinion, could compromise the patient’s safety, or put the study at risk Life-threatening illnesses other than AML, uncontrolled medical conditions or organ system dysfunction that, in the Investigator's opinion, could compromise the patient's safety or put the study outcomes at risk Any life-threatening illness, medical condition, including uncontrolled diabetes mellitus (DM), or organ system dysfunction that, in the opinion of the investigator, could compromise the subject's safety or put the study outcomes at undue risk Any life-threatening illness, medical condition, or organ system dysfunction that, in the investigator's opinion, could compromise the subject's safety or put the study outcomes at undue risk. Current life-threatening illness, medical condition, or organ system dysfunction which, in the Investigator’s opinion, could compromise the patient’s safety, or put the study at risk Presence of a life-threatening illness, medical condition, organ system dysfunction, or other factors Life-threatening illness or organ system dysfunction compromising safety evaluation Any life-threatening illness, medical condition, or organ system dysfunction which, in the investigator’s opinion, could compromise the subject’s safety or put the study outcomes at undue risk Any life-threatening illness, medical condition, or organ system dysfunction that, in the investigator’s opinion, could compromise the subject’s safety or put the study outcomes at undue risk Any life-threatening illness, medical condition, or organ system dysfunction that, in the investigator’s opinion, could compromise the subject’s safety or put the study outcomes at undue risk Patient has a life-threatening illness, medical condition, or organ system dysfunction that, in the opinion of the investigator, could compromise the subject’s safety or put the study outcomes at undue risk EXCLUSION CRITERIA (PRIOR TO IBRUTINIB ADMINISTRATION): Any life threatening illness, medical condition, or organ system dysfunction that, in the investigator’s opinion, could compromise the subject’s safety or put the study outcomes at undue risk Life-threatening illnesses other than AML or MDS, uncontrolled medical conditions or organ system dysfunction which, in the investigator's opinion, could compromise the patient's safety, or put the study outcomes at risk.