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warnings and cautions
5 WARNINGS AND PRECAUTIONS Risk of hemorrhage: Hemorrhage at any site can occur (unexplained fall in hematocrit or blood pressure or other unexplained symptom may indicate hemorrhage). Use with caution in patients at risk, including those receiving antiplatelet agents, thrombolytics, or other anticoagulants. ( 5.1 ) Use in hepatic impairment: Adjust starting dose and titrate carefully in patients with HIT who have moderate or severe hepatic impairment. Avoid use in PCI in patients with clinically significant hepatic impairment ( 5.2 ) 5.1 Risk of Hemorrhage Hemorrhage can occur at any site in the body in patients receiving argatroban [ see Adverse Reactions (6.1) ]. An unexplained fall in hematocrit or hemoglobin or a fall in blood pressure should lead to consideration of a hemorrhagic event. Argatroban in Sodium Chloride injection should be used with extreme caution in disease states and other circumstances in which there is an increased danger of hemorrhage. These include severe hypertension; immediately following lumbar puncture; spinal anesthesia; major surgery, especially involving the brain, spinal cord or eye; hematologic conditions associated with increased bleeding tendencies such as congenital or acquired bleeding disorders and gastrointestinal lesions such as ulcerations. Concomitant use of argatroban with antiplatelet agents, thrombolytics, and other anticoagulants may increase the risk of bleeding. 5.2 Use in Hepatic Impairment When administering Argatroban in Sodium Chloride injection to patients with hepatic impairment, start with a lower dose and carefully titrate until the desired level of anticoagulation is achieved. Achievement of steady-state aPTT levels may take longer and require more argatroban dose adjustments in patients with hepatic impairment compared to patients with normal hepatic function [see Use in Specific Populations (8.6) ]. Also, upon cessation of argatroban infusion in the hepatically impaired patient, full reversal of anticoagulant effects may require longer than 4 hours due to decreased clearance and increased elimination half-life of argatroban [see Dosage and Administration (2.4) and Clinical Pharmacology (12.3) ]. Avoid the use of high doses of Argatroban in Sodium Chloride injection in patients undergoing PCI who have clinically significant hepatic disease or AST/ALT levels ≥3 times the upper limit of normal. 5.3 Laboratory Tests Anticoagulation effects associated with argatroban infusion at doses up to 40 mcg/kg/min correlate with increases of the activated partial thromboplastin time (aPTT). Although other global clot-based tests including prothrombin time (PT), the International Normalized Ratio (INR), and thrombin time (TT) are affected by argatroban, the therapeutic ranges for these tests have not been identified for argatroban therapy. In clinical trials in PCI, the activated clotting time (ACT) was used for monitoring argatroban anticoagulant activity during the procedure. The concomitant use of argatroban and warfarin results in prolongation of the PT and INR beyond that produced by warfarin alone [see Dosage and Administration (2.5) and Clinical Pharmacology (12.2) ] .
6 ADVERSE REACTIONS The following clinically significant adverse reactions are described elsewhere in the labeling: Risk of Hemorrhage [see Warnings and Precautions (5.1) ] HIT patients: The most common (≥5%) adverse reactions were dyspnea, hypotension, fever, diarrhea, sepsis, and cardiac arrest ( 6.1 ) PCI patients: The most common (≥5%) adverse reactions were chest pain, hypotension, back pain, nausea, vomiting and headache ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Eagle Pharmaceuticals, Inc at 1-855-318-2170 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch . . 6.1 Clinical Trials Experience Adverse Events in Patients with HIT (With or Without Thrombosis) Because clinical trials are conducted under widely varying conditions, adverse event rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. The following safety information is based on all 568 patients treated with argatroban in Study 1 and Study 2. The safety profile of the patients from these studies is compared with that of 193 historical controls in which the adverse events were collected retrospectively. Adverse events are separated into hemorrhagic and non-hemorrhagic events. Major bleeding was defined as bleeding that was overt and associated with a hemoglobin decrease ≥2 g/dL, that led to a transfusion of ≥2 units, or that was intracranial, retroperitoneal, or into a major prosthetic joint. Minor bleeding was overt bleeding that did not meet the criteria for major bleeding. Table 4 gives an overview of the most frequently observed hemorrhagic events, presented separately by major and minor bleeding, sorted by decreasing occurrence among argatroban-treated patients with HIT (with or without thrombosis). *with or without thrombosis a) Patients may have experienced more than 1 adverse event. b) One patient experienced intracranial hemorrhage 4 days after discontinuation of argatroban and following therapy with urokinase and oral anticoagulation. c) The historical control group consisted of patients with a clinical diagnosis of HIT (with or without thrombosis) that were considered eligible by an independent medical panel. DIC = disseminated intravascular coagulation. BKA = below-the-knee amputation Table 4 Major and Minor Hemorrhagic Adverse Events in Patients With HIT* Argatroban-treated Patients (Study 1 and Study 2) (n = 568) % Historical Control c (n = 193) % Major Hemorrhagic Events a Overall bleeding 5.3 6.7 Gastrointestinal 2.3 1.6 Genitourinary and hematuria 0.9 0.5 Decrease in hemoglobin and hematocrit 0.7 0 Multisystem hemorrhage and DIC 0.5 1 Limb and BKA stump 0.5 0 Intracranial hemorrhage 0 b 0.5 Minor Hemorrhagic Events a Gastrointestinal 14.4 18.1 Genitourinary and hematuria 11.6 0.8 Decrease in hemoglobin and hematocrit 10.4 0 Groin 5.4 3.1 Hemoptysis 2.9 0.8 Brachial 2.4 0.8 Table 5 gives an overview of the most frequently observed non-hemorrhagic events sorted by decreasing frequency of occurrence (≥2%) among argatroban-treated HIT/HITTS patients. a) Patients may have experienced more than 1 adverse event. b) with or without thrombosis c) The historical control group consisted of patients with a clinical diagnosis of HIT (with or without thrombosis) that were considered eligible by an independent medical panel. Table 5 Non-hemorrhagic Adverse Events in Patients a With HIT b Argatroban-treated Patients (Study 1 and Study 2) (n = 568) % Historical Control c (n = 193) % Dyspnea 8.1 8.8 Hypotension 7.2 2.6 Fever 6.9 2.1 Diarrhea 6.2 1.6 Sepsis 6 12.4 Cardiac arrest 5.8 3.1 Nausea 4.8 0.5 Ventricular tachycardia 4.8 3.1 Pain 4.6 3.1 Urinary tract infection 4.6 5.2 Vomiting 4.2 0 Infection 3.7 3.6 Pneumonia 3.3 9.3 Atrial fibrillation 3 11.4 Coughing 2.8 1.6 Abnormal renal function 2.8 4.7 Abdominal pain 2.6 1.6 Cerebrovascular disorder 2.3 4.1 Adverse Events in Patients with or at Risk for HIT Patients Undergoing PCI The following safety information is based on 91 patients initially treated with argatroban and 21 patients subsequently re-exposed to argatroban for a total of 112 PCIs with argatroban anticoagulation. Adverse events are separated into hemorrhagic ( Table 6 ) and non-hemorrhagic ( Table 7 ) events. Major bleeding was defined as bleeding that was overt and associated with a hemoglobin decrease ≥5 g/dL, that led to transfusion of ≥2 units, or that was intracranial, retroperitoneal, or into a major prosthetic joint. The rate of major bleeding events in patients treated with argatroban in the PCI trials was 1.8%. a) Patients may have experienced more than 1 adverse event. b) 91 patients who underwent 112 interventions. CABG = coronary artery bypass graft Table 6 Major and Minor Hemorrhagic Adverse Events in Patients With HIT Undergoing PCI Major Hemorrhagic Events a Argatroban-treated Patients (n = 112) b % Retroperitoneal 0.9 Gastrointestinal 0.9 Intracranial 0 Minor Hemorrhagic Events a Groin (bleeding or hematoma) 3.6 Gastrointestinal (includes hematemesis) 2.6 Genitourinary (includes hematuria) 1.8 Decrease in hemoglobin and/or hematocrit 1.8 CABG (coronary arteries) 1.8 Access site 0.9 Hemoptysis 0.9 Other 0.9 Table 7 gives an overview of the most frequently observed non-hemorrhagic events (>2%), sorted by decreasing frequency of occurrence among argatroban-treated PCI patients. a) Patients may have experienced more than 1 adverse event. b) 91 patients who underwent 112 interventions. Table 7 Non-hemorrhagic Adverse Events a in Patients With HIT Undergoing PCI Argatroban Procedures a (n = 112) b % Chest pain 15.2 Hypotension 10.7 Back pain 8 Nausea 7.1 Vomiting 6.3 Headache 5.4 Bradycardia 4.5 Abdominal pain 3.6 Fever 3.6 Myocardial infarction 3.6 There were 22 serious adverse events in 17 PCI patients (19.6% in 112 interventions). Table 8 lists the serious adverse events occurring in argatroban-treated-patients with or at risk for HIT undergoing PCI. a) Individual events may also have been reported elsewhere (see Table 6 and Table 7 ). b) 91 patients underwent 112 procedures. Some patients may have experienced more than 1 event. Table 8 Serious Adverse Events in Patients With HIT Undergoing PCI a Coded Term Argatroban Procedures b (n = 112) Myocardial infarction 4 (3.5%) Angina Pectoris 2 (1.8%) Coronary thrombosis 2 (1.8%) Myocardial Ischemia 2 (1.8%) Occlusion coronary 2 (1.8%) Chest pain 1 (0.9%) Fever 1 (0.9%) Retroperitoneal hemorrhage 1 (0.9%) Aortic stenosis 1 (0.9%) Arterial thrombosis 1 (0.9%) Gastrointestinal hemorrhage 1 (0.9%) Gastrointestinal disorder (GERD) 1 (0.9%) Cerebrovascular disorder 1 (0.9%) Lung Edema disorder 1 (0.9%) Vascular disorder 1 (0.9%) Intracranial Bleeding In Other Populations Increased risks for intracranial bleeding have been observed in investigational studies of argatroban for other uses. In a study of patients with acute myocardial infarction receiving both argatroban and thrombolytic therapy (streptokinase or tissue plasminogen activator), the overall frequency of intracranial bleeding was 1% (8 out of 810 patients). Intracranial bleeding was not observed in 317 subjects or patients who did not receive concomitant thrombolysis [see Drug Interactions (7.4) ] . The safety and effectiveness of argatroban for cardiac indications other than PCI in patients with HIT have not been established. Intracranial bleeding was also observed in a prospective, placebo-controlled study of argatroban in patients who had onset of acute stroke within 12 hours of study entry. Symptomatic intracranial hemorrhage was reported in 5 of 117 patients (4.3%) who received argatroban at 1 to 3 mcg/kg/min and in none of the 54 patients who received placebo. Asymptomatic intracranial hemorrhage occurred in 5 (4.3%) and 2 (3.7%) of the patients, respectively. Allergic Reactions One hundred fifty-six allergic reactions or suspected allergic reactions were observed in 1,127 individuals who were treated with argatroban in clinical pharmacology studies or for various clinical indications. About 95% (148/156) of these reactions occurred in patients who concomitantly received thrombolytic therapy (e.g., streptokinase) or contrast media. Allergic reactions or suspected allergic reactions in populations other than patients with HIT (with or without thrombosis) include (in descending order or frequency): Airway reactions (coughing, dyspnea): 10% or more Skin reactions (rash, bullous eruption): 1 to <10% General reactions (vasodilation): 1 to 10% Limited data are available on the potential formation of drug-related antibodies. Plasma from 12 healthy volunteers treated with argatroban over 6 days showed no evidence of neutralizing antibodies. No loss of anticoagulant activity was noted with repeated administration of argatroban to more than 40 patients.
adverse reactions table
<table ID="t4" width="500" styleCode="Noautorules"><col width="41.233%" align="left"/><col width="32.700%" align="left"/><col width="26.067%" align="left"/><tfoot><tr><td colspan="3" align="left" valign="top"><paragraph styleCode="footnote"> *with or without thrombosis</paragraph><paragraph styleCode="footnote">a) Patients may have experienced more than 1 adverse event.</paragraph><paragraph styleCode="footnote">b) One patient experienced intracranial hemorrhage 4 days after discontinuation of argatroban and following therapy with urokinase and oral anticoagulation.</paragraph><paragraph styleCode="footnote">c) The historical control group consisted of patients with a clinical diagnosis of HIT (with or without thrombosis) that were considered eligible by an independent medical panel.</paragraph><paragraph styleCode="footnote"> DIC = disseminated intravascular coagulation.</paragraph><paragraph styleCode="footnote"> BKA = below-the-knee amputation</paragraph></td></tr></tfoot><tbody><tr><td colspan="7" align="center" styleCode="bold Toprule Botrule Lrule Rrule">Table 4 Major and Minor Hemorrhagic Adverse Events in Patients With HIT*</td></tr><tr><td align="center" valign="top" styleCode="Toprule Botrule Lrule Rrule"/><td align="center" valign="top" styleCode="bold Toprule Botrule Rrule">Argatroban-treated Patients (Study 1 and Study 2) (n = 568) %</td><td align="center" valign="top" styleCode="bold Toprule Botrule Rrule">Historical Control<sup>c</sup> (n = 193) %</td></tr><tr><td colspan="3" align="center" valign="top" styleCode="Botrule Lrule Rrule"><content styleCode="bold">Major Hemorrhagic Events<sup>a</sup></content></td></tr><tr><td align="left" valign="top" styleCode="Botrule Lrule Rrule">Overall bleeding</td><td align="center" valign="top" styleCode="Botrule Rrule">5.3</td><td align="center" valign="top" styleCode="Botrule Rrule">6.7</td></tr><tr><td align="left" valign="top" styleCode="Botrule Lrule Rrule">Gastrointestinal</td><td align="center" valign="top" styleCode="Botrule Rrule">2.3</td><td align="center" valign="top" styleCode="Botrule Rrule">1.6</td></tr><tr><td align="left" valign="top" styleCode="Botrule Lrule Rrule">Genitourinary and hematuria </td><td align="center" valign="top" styleCode="Botrule Rrule">0.9 </td><td align="center" valign="top" styleCode="Botrule Rrule">0.5 </td></tr><tr><td align="left" valign="top" styleCode="Botrule Lrule Rrule">Decrease in hemoglobin and hematocrit </td><td align="center" valign="top" styleCode="Botrule Rrule">0.7 </td><td align="center" valign="top" styleCode="Botrule Rrule">0 </td></tr><tr><td align="left" valign="top" styleCode="Botrule Lrule Rrule">Multisystem hemorrhage and DIC </td><td align="center" valign="top" styleCode="Botrule Rrule">0.5 </td><td align="center" valign="top" styleCode="Botrule Rrule">1 </td></tr><tr><td align="left" valign="top" styleCode="Botrule Lrule Rrule">Limb and BKA stump </td><td align="center" valign="top" styleCode="Botrule Rrule">0.5 </td><td align="center" valign="top" styleCode="Botrule Rrule">0 </td></tr><tr><td align="left" valign="top" styleCode="Botrule Lrule Rrule">Intracranial hemorrhage </td><td align="center" valign="top" styleCode="Botrule Rrule">0 <sup>b</sup></td><td align="center" valign="top" styleCode="Botrule Rrule">0.5 </td></tr><tr><td colspan="3" align="center" valign="top" styleCode="Botrule Lrule Rrule"><content styleCode="bold">Minor Hemorrhagic Events</content><content styleCode="bold"><sup>a</sup></content></td></tr><tr><td align="left" valign="top" styleCode="Botrule Lrule Rrule">Gastrointestinal </td><td align="center" valign="top" styleCode="Botrule Rrule">14.4 </td><td align="center" valign="top" styleCode="Botrule Rrule">18.1 </td></tr><tr><td align="left" valign="top" styleCode="Botrule Lrule Rrule">Genitourinary and hematuria </td><td align="center" valign="top" styleCode="Botrule Rrule">11.6 </td><td align="center" valign="top" styleCode="Botrule Rrule">0.8 </td></tr><tr><td align="left" valign="top" styleCode="Botrule Lrule Rrule">Decrease in hemoglobin and hematocrit </td><td align="center" valign="top" styleCode="Botrule Rrule">10.4 </td><td align="center" valign="top" styleCode="Botrule Rrule">0 </td></tr><tr><td align="left" valign="top" styleCode="Botrule Lrule Rrule">Groin </td><td align="center" valign="top" styleCode="Botrule Rrule">5.4 </td><td align="center" valign="top" styleCode="Botrule Rrule">3.1 </td></tr><tr><td align="left" valign="top" styleCode="Botrule Lrule Rrule">Hemoptysis </td><td align="center" valign="top" styleCode="Botrule Rrule">2.9 </td><td align="center" valign="top" styleCode="Botrule Rrule">0.8 </td></tr><tr><td align="left" valign="top" styleCode="Botrule Lrule Rrule">Brachial </td><td align="center" valign="top" styleCode="Botrule Rrule">2.4 </td><td align="center" valign="top" styleCode="Botrule Rrule">0.8 </td></tr></tbody></table>