Drug Information Update- FDA approves new drug to reverse effects of neuromuscular blocking drugs used during surgery

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The U.S. Food and Drug Administration today approved Bridion (sugammadex) injection to reverse the effects of neuromuscular blockade induced by rocuronium bromide and vecuronium bromide, which are used during certain types of surgery in adults.

Rocuronium bromide and vecuronium bromide are neuromuscular blocking drugs that cause temporary paralysis by interfering with the transmission of nerve impulses to the muscle and are used to paralyze the vocal cords when patients require an artificial airway or breathing tube for surgery, a process called tracheal intubation. They can also be used to prevent patients from moving during surgery while they are receiving general anesthesia. Neuromuscular blocking drugs are also sometimes used to prevent the body from breathing automatically when a patient has to be placed on a ventilator. 

Due to concerns about the nature and frequency of anaphylaxis (severe, potentially life-threatening allergic reaction) and hypersensitivity reactions reported in the clinical trials, Bridion was further evaluated in a randomized, double-blind, parallel-group, repeat-dose trial. Of the 299 participants treated with Bridion, one person had an anaphylactic reaction. Clinicians should be aware of the possibility of a hypersensitivity reaction or anaphylaxis and should intervene as appropriate.

Cases of marked bradycardia (abnormally slow heart action), some of which have resulted in cardiac arrest, have been observed within minutes after the administration of Bridion. Patients should be closely monitored for hemodynamic changes during and after reversal of neuromuscular blockade, and treatment with anticholinergic agents, such as atropine, should be administered if clinically significant bradycardia is observed.

The most common adverse reactions reported in clinical trials included vomiting, low blood pressure (hypotension), pain, headache and nausea. Doctors should also advise women using hormonal contraceptives that Bridion may temporarily reduce the contraceptive effect so they must use an alternate method of birth control for a period of time.

For more information please visit: Bridion