Patients with a known history of congestive heart failure (CHF), cardiomyopathy, myocarditis, myocardial infarction (MI), exposure to cardiotoxic medications, or with a clinical history suggestive of the above must have an electrocardiography (EKG) and echocardiogram (ECHO) performed within days prior to registration and as clinically indicated while on treatment Patients with a significant history of cardiovascular disease (e.g., myocardial infarction [MI], thrombotic or thromboembolic event in the last months) Patients within months of myocardial infarction (MI) and stroke will be excluded Myocardial infarction (MI) within months of Screening Visit. No uncontrolled angina, congestive heart failure or myocardial infarction (MI) within months Myocardial infraction (MI) within the previous months Patient has history of uncontrolled angina, congestive heart failure or recent myocardial infarction (MI) within months Myocardial Infraction (MI) within the previous months History of myocardial infarction (MI), angina pectoris, coronary artery bypass graft (CABG) within months prior to starting study treatment. No uncontrolled angina, congestive heart failure or myocardial infraction (MI) within months prior to registration on study History of myocardial infarction (MI) or New York Heart Association (NYHA) Class II-IV congestive heart failure within months of the administration of the first dose of ARQ (MI occurring > months of the first dose of ARQ will be permitted); Grade or worse conduction defect (e.g., right or left bundle branch block) History of myocardial infarction (MI) or congestive heart failure defined as Class II to IV per the New York Heart Association (NYHA) classification within months of the first dose of ARQ (MI that occurred > months prior to the first dose of ARQ will be permitted) Myocardial infarction (MI) within months. Presence of active, uncontrolled infection. Known central nervous system illness (e.g., Alzheimer's disease). Patients with class III or greater congestive heart failure (CHF) or myocardial infarction (MI) within last months Subject has a significant history of cardiovascular disease (e.g., myocardial infarction [MI], thrombotic or thromboembolic event in the last months) Prior myocardial infraction (MI) ascertained from medical history and review of systems Myocardial infarction (MI) within months prior to the first dose of study drug; Myocardial infarction (MI) within past months before randomization Myocardial infarction (MI) within the last months History of cardiovascular disease (e.g., myocardial infraction [MI], thrombotic or thromboembolic event in the last months) Myocardial infarction (MI) with ASCT or developed dilated cardiomyopathy with ASCT History of myocardial infarction (MI), angina pectoris, symptomatic pericarditis, or coronary artery bypass graft (CABG) within months prior to study entry History of myocardial infraction (MI) within month prior to starting study treatment Myocardial infarction (MI) within months prior to the first dose of brigatinib History of myocardial infarction (MI) or congestive heart failure defined as Class II to IV per the New York Heart Association classification within months of the first dose of ARQ (MI occurring > months of the first dose of ARQ will be permitted) No CVA within months, no MI within months Myocardial infarction (MI) or congestive heart failure defined as Class II to IV per the New York Heart Association (NYHA) classification within months of the first dose of ARQ (MI that occurred > months prior to the first dose of ARQ will be permitted) Uncontrolled angina, congestive heart failure or myocardial infarction (MI) within ( months) Hemodynamically unstable patients (not in cardiogenic shock or having an acute myocardial infarction [MI]) History of myocardial infarction (MI) documented by elevated cardiac enzymes with persistent regional wall motion abnormality on assessment of left ventricular (LV) function (patients with history of MI must have an echocardiogram (echo) instead of/in addition to a MUGA to evaluate LV wall motion) Recent history of myocardial infarction (MI) or symptomatic coronary artery disease within the preceding months Myocardial infarction (MI) within months prior to first study drug administration Subject has a significant history of cardiovascular disease (e.g., myocardial infarction [MI], thrombotic or thromboembolic event in the last months), renal, neurologic, psychiatric, endocrinologic, metabolic, immunologic, or hepatic disease that in the opinion of the Investigator would adversely affect his/her participating in this study Myocardial infarction (MI) within months prior to first study drug administration Myocardial infarction (MI) within the previous six months, or patients with left ventricular ejection fraction of less than % secondary to a more remote MI. History of myocardial infarction (MI) or NYHA Class II-IV congestive heart failure within months of the administration of the first dose of ARQ (MI occurring > months of the first dose of ARQ will be permitted); Grade or worse conduction defect (eg right or left bundle branch block); left ventricular ejection fraction (LVEF) < % assessed by echocardiogram/MUGA scan Acute MI ? months prior to dosing with study drug Myocardial infarction (MI) within the prior months Acute Coronary Syndrome (ACS) (angina or MI) in last months. Active myocardial ischemia (acute ST elevation or non ST elevation myocardial infarction [MI]) Myocardial Infarction (MI) within months Myocardial infarction (MI) in the last months Previous history of angina pectoris or acute myocardial infarction (MI) within months no recent (past months) cardiovascular trauma: MI, stroke