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U.S. Department of Health and Human Services

Safety

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Definity (perflutren lipid microsphere) Injectable Suspension


Detailed View: Safety Labeling Changes Approved By FDA Center for Drug Evaluation and Research (CDER) -- May 2008

 

The detailed view includes drug products with safety labeling changes to the BOXED WARNING, CONTRAINDICATIONS, WARNINGS, PRECAUTIONS, ADVERSE REACTIONS, or PATIENT PACKAGE INSERT/MEDICATION GUIDE sections. Deletions or editorial revisions made to these sections are not included in this summary.


Summary View

 

Sections Modified Summary of Changes to Contraindications and Warnings

BOXED WARNING

  • WARNING: Serious Cardiopulmonary Reactions

WARNINGS

  • Serious Cardiopulmonary Reactions
  • Anaphylactoid Reactions

ADVERSE REACTIONS

  • Postmarketing Experience

BOXED WARNING AND WARNINGS

Serious cardiopulmonary reactions, including fatalities, have occurred during or following perflutren-containing microsphere administration.

BOXED WARNING

In patients with pulmonary hypertension or unstable cardiopulmonary conditions, monitor vital sign measurements, electrocardiography and cutaneous oxygen saturation during and for at least 30 minutes after Definity administration...

WARNINGS

Serious Cardiopulmonary Reactions

...In these patients, monitor vital signs, electrocardiography, and cutaneous oxygen saturation during and for at least 30 minutes after Definity administration. In the absence of these underlying conditions, observe patients closely during and following Definity administration.

In postmarketing use, uncommon but serious reactions observed during or shortly following perflutren-containing microsphere administration included fatal cardiac or respiratory arrest...

Anaphylactoid Reactions

Post-marketing reports of acute anaphylactoid reactions including shock, bronchospasm, upper airway swelling, loss of consciousness, urticaria and pruritus, have occurred in patients with no prior exposure to perflutren-containing microsphere products...