WARNING: SERIOUS CARDIOPULMONARY REACTIONS Serious cardiopulmonary reactions, including fatalities, have occurred uncommonly during or following the injection of ultrasound contrast agents, including sulfur hexafluoride lipid microspheres [see Warnings and Precautions ( 5.1 )] . Most serious reactions occur within 30 minutes of administration [see Warnings and Precautions ( 5.1 )] . Assess all patients for the presence of any condition that precludes administration [see Contraindications ( 4 )] . Always have resuscitation equipment and trained personnel readily available [see Warnings and Precautions ( 5.1 )] . WARNING: SERIOUS CARDIOPULMONARY REACTIONS See full prescribing information for complete boxed warning. Serious cardiopulmonary reactions, including fatalities, have occurred uncommonly during or following the injection of ultrasound contrast agents, including sulfur hexafluoride lipid microspheres ( 5.1 ). Most serious reactions occur within 30 minutes of administration ( 5.1 ). Assess all patients for the presence of any condition that precludes administration ( 4 ). Always have resuscitation equipment and trained personnel readily available ( 5.1 ).
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warnings and cautions
5 WARNINGS AND PRECAUTIONS Cardiopulmonary reactions, including fatalities. Always have resuscitation equipment and trained personnel readily available ( 5.1 ) Hypersensitivity reactions ( 5.2 ) 5.1 Serious Cardiopulmonary Reactions Serious cardiopulmonary reactions, including fatalities have occurred uncommonly during or shortly following administration of ultrasound contrast agents, including Lumason. These reactions typically occurred within 30 minutes of administration. The risk for these reactions may be increased among patients with unstable cardiopulmonary conditions (acute myocardial infarction, acute coronary artery syndromes, worsening or unstable congestive heart failure, or serious ventricular arrhythmias). Always have cardiopulmonary resuscitation personnel and equipment readily available prior to Lumason administration and monitor all patients for acute reactions. The reported reactions that may follow the administration of ultrasound contrast agents include: fatal cardiac or respiratory arrest, shock, syncope, symptomatic arrhythmias (atrial fibrillation, tachycardia, bradycardia, supraventricular tachycardia, ventricular fibrillation, and ventricular tachycardia), hypertension, hypotension, dyspnea, hypoxia, chest pain, respiratory distress, stridor, wheezing, loss of consciousness, and convulsions. 5.2 Hypersensitivity Reactions Hypersensitivity reactions such as skin erythema, rash, urticaria, flushing, throat tightness, dyspnea, or anaphylactic shock have uncommonly been observed following the injection of Lumason. These reactions may occur in patients with no history of prior exposure to sulfur hexafluoride lipid containing microspheres. Always have cardiopulmonary resuscitation personnel and equipment readily available prior to Lumason administration and monitor all patients for hypersensitivity reactions. 5.3 Systemic Embolization When administering Lumason to patients with cardiac shunt, microspheres can bypass filtering by the lung and enter the arterial circulation. Assess patients with shunts for embolic phenomena following Lumason administration. Lumason is only for intravenous and/or intravesical administration; do not administer Lumason by intra-arterial injection [see Dosage and Administration ( 2.1 )]. 5.4 Ventricular Arrhythmia Related to High Mechanical Index High ultrasound mechanical index values may cause microsphere cavitation or rupture and lead to ventricular arrhythmias. Additionally, end-systolic triggering with high mechanical indices has been reported to cause ventricular arrhythmias. Lumason is not recommended for use at mechanical indices greater than 0.8.
6 ADVERSE REACTIONS The following serious adverse reactions are discussed elsewhere in the labeling: Severe cardiopulmonary reactions [see Warnings and Precautions ( 5.1 )] Hypersensitivity reactions [see Warnings and Precautions ( 5.2 )] Most common adverse reactions (incidence ≥ 0.5%) are headache and nausea ( 6.1 ). To report SUSPECTED ADVERSE REACTIONS, contact Bracco Diagnostics Inc at 1-800-257-5181 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction 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. In completed clinical trials, a total of 6984 adult subjects (128 healthy volunteers and 6856 patients) received Lumason at cumulative doses ranging from 0.2 to 161 mL (mean 9.8 mL). Lumason was administered mainly as single or multiple injections; however, some subjects received infusion dosing. The majority (75%) of subjects received Lumason at cumulative doses of 10 mL or less. There were 64% men and 36% women, with an average age of 59 years (range 17 to 99 years). A total of 79% subjects were Caucasian; 4% were Black; 16% were Asian; <1% were Hispanic; and <1% were in other racial groups or race was not reported. In the clinical trials, serious adverse reactions were observed in 2 subjects; one who experienced a hypersensitivity-type rash and presyncope and another who experienced anaphylactic shock shortly following Lumason administration. * occurring in at least 0.2% of patients Table 1. Adverse Reactions in Patients* n = 6856 Number (%) of Patients with Adverse Reactions 340 (5%) Headache 65 (1%) Nausea 37 (0.5%) Dysgeusia 29 (0.4%) Injection site pain 23 (0.3%) Feeling Hot 18 (0.3%) Chest discomfort 17 (0.2%) Chest pain 12 (0.2%) Dizziness 11 (0.2%) Injection Site Warmth 11 (0.2%) 6.2 Postmarketing Experience In the international postmarketing clinical experience and on-going clinical trials, serious adverse reactions have uncommonly been reported following administration of Lumason. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. The serious adverse reactions include fatalities, especially in a pattern of symptoms suggestive of anaphylactoid/hypersensitivity reactions. Other serious reactions included arrhythmias and hypertensive episodes. These reactions typically occurred within 30 minutes of Lumason administration. The risk for serious cardiopulmonary reactions may be increased among patients with unstable cardiopulmonary conditions (acute myocardial infarction, acute coronary artery syndromes, worsening or unstable congestive heart failure, or serious ventricular arrhythmias [see Warnings and Precautions ( 5.1 ] ).