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We are committed to the professional and patient communities we serve. In the spirit of this commitment, we invite ongoing feedback and dialogue.

Corporate Information:
Lantheus
201 Burlington Road, South Building
Bedford, MA 01730
Call Toll-Free: 1.800.362.2668

US Customer Service/Order DEFINITY®:
Monday-Friday 7:30 AM to 6:00 PM ET
Call Toll-Free: 1.800.299.3431
Fax: 1.978.671.8860
Fax Orders/POs: 1.978.436.7501

DEFINITY® Reimbursement Support:

Call Toll-Free: 1.800.362.26681.800.362.2668
Press Option 3 for Reimbursement Regarding DEFINITY®
Email: reimbursement@lantheus.com

Lantheus cannot guarantee coverage or payment for products or procedures. Payer policies can vary widely and third-party payment for medical products and services is affected by numerous factors. It is always the provider's responsibility to determine and submit appropriate codes, charges, and modifiers for services rendered. For more specific information, contact your third-party payer directly in order to obtain up-to-date coverage, coding, and payment information.

Adverse Event and Product Quality Complaint Reports:

United States:
Call Toll-Free: 1.800.343.78511.800.343.7851
Press Option 2 for Adverse Events
Press Option 2 for Product Quality Complaints
Fax: 1.978.436.7296
Email: lantheussafety@lantheus.com

Outside the US:
Call Toll-Free: 1.978.667.95311.978.667.9531
Press Option 2 for Adverse Events
Press Option 2 for Product Quality Complaints
Fax: 1.978.436.7296
Email: lantheussafety@lantheus.com

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INDICATION

DEFINITY® is indicated, after activation, for use in adult and pediatric patients with suboptimal echocardiograms to opacify the left ventricular chamber and to improve the delineation of the left ventricular endocardial border.

IMPORTANT SAFETY INFORMATION

BOXED WARNING: SERIOUS CARDIOPULMONARY REACTIONS

Serious cardiopulmonary reactions, including fatalities, have occurred uncommonly during or following perflutren-containing microsphere administration. Most serious reactions occur within 30 minutes of administration.

Assess all patients for the presence of any condition that precludes DEFINITY^® administration.
Always have resuscitation equipment and trained personnel readily available.

INDICATION AND IMPORTANT SAFETY INFORMATION

INDICATION

IMPORTANT SAFETY INFORMATION

BOXED WARNING: SERIOUS CARDIOPULMONARY REACTIONS

Assess all patients for the presence of any condition that precludes DEFINITY® administration.
Always have resuscitation equipment and trained personnel readily available.

CONTRAINDICATIONS:

Contraindicated in patients with known or suspected hypersensitivity to perflutren lipid microsphere or its components, such as polyethylene glycol (PEG).

WARNINGS AND PRECAUTIONS:

Serious Cardiopulmonary Reactions have occurred during or following 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).

Serious Hypersensitivity Reactions have been observed during or shortly following administration including anaphylaxis, with manifestations that may include death. DEFINITY® contains PEG and may increase risk of serious reactions including death in patients with prior hypersensitivity reaction(s) to PEG. Clinically assess patients for prior hypersensitivity reactions to products containing PEG. Monitor all patients for hypersensitivity reactions.

Systemic Embolization may occur in patients with a cardiac shunt. Assess patients with shunts for embolic phenomena following administration. DEFINITY® is only for intravenous administration and must not be administered by intra-arterial injection.

There is a risk of Ventricular Arrhythmia Related to High Mechanical Index. Additionally, end-systolic triggering with high mechanical indices has been reported to cause ventricular arrhythmias. The maximum recommended mechanical index for use with DEFINITY® is 0.8 in adult patients and 0.3 in pediatric patients.

Acute Pain Episodes in Patients with Sickle Cell Disease (SCD) shortly following administration have been reported. Discontinue DEFINITY® in SCD patients experiencing new or worsening pain.

ADVERSE REACTIONS:

The most common adverse reactions (≥0.5%) are headache, back/renal pain, flushing, nausea, chest pain, injection site reactions, and dizziness.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit MedWatch or call 1-800-FDA-1088.

Please see accompanying full Prescribing Information and Important Safety Information, including boxed WARNING regarding serious cardiopulmonary reactions.

DEFINITY® Customer Service 1.800.299.3431

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