Correvio Resubmits Brinavess (vernakalant) New Drug Application to U.S. FDA for the Treatment of Patients with Recent Onset Atrial Fibrillation

Correvio Pharma Corp. a specialty pharmaceutical company focused on commercializing hospital drugs, today announced it has resubmitted a New Drug Application (NDA) to the U.S. Food and Drug Administration (FDA) seeking approval for Brinavess (vernakalant hydrochloride, IV), its antiarrhythmic drug for the rapid conversion of adult patients with recent onset atrial fibrillation (AF).

"The resubmission of the Brinavess NDA is a major milestone for Correvio and is the culmination of substantial effort by our employees and the investigators who have dedicated themselves toward investigating this potential new treatment option for adult patients with recent onset AF," said Mark H.N. Corrigan, MD, CEO of Correvio. "If approved, we believe that Brinavess will be an attractive addition to the AF treatment landscape and will provide physicians with a well tolerated and effective pharmacologic treatment approach to cardioversion. We greatly appreciate the FDA’s willingness to work with us during the resubmission process and, assuming the refiling is accepted as a complete resubmission, we look forward to working closely with the FDA as they review the new data supporting the safety and efficacy of Brinavess."

The NDA is supported by data from SPECTRUM, a post-approval safety study that was conducted in Europe which evaluated 1,778 unique patients across a total of 2,009 treatment episodes following administration of Brinavess. The SPECTRUM data demonstrated that treatment with Brinavess successfully converted 70.2% of all treated AF patients into normal sinus rhythm. In addition, treatment with Brinavess showed a median time to conversion of 11 minutes from the start of the first infusion among patients who successfully converted. The cumulative incidence of health outcomes of interest (defined as significant hypotension, ventricular arrhythmia, atrial flutter, or bradycardia) were reported in 0.8% of patients. Twenty-eight serious adverse events were reported in 26 of the 1,778 patients and no deaths were reported in the study. In addition to SPECTRUM, the Brinavess NDA is also supported by nine Phase 3 and Phase 2 clinical trials and over eight years of real-world experience in approximately 50,000 treatment patients worldwide.

Brinavess has received marketing authorizations in 41 countries outside the United States.

About Atrial Fibrillation

Atrial Fibrillation (also known as AFib or AF) is a supraventricular tachyarrhythmia with uncoordinated atrial activation resulting in ineffective atrial contraction and if left untreated, structural and/or electrophysiological atrial tissue abnormalities. AF is a common cardiac rhythm disturbance that increases in prevalence with advancing age.1 According to the American Heart Association, estimates of the 1441 Creekside Dr, 6th Floor Vancouver, B.C. V6J 4S7 Tel: 604-677-6905 Fax: 604-677-6915 2 prevalence of AF in the U.S. ranged from 2.7 million to 6.1 million in 2010, and is expected to rise to between 5.6 million to 12 million in 2030.

There are two strategies to manage AF, namely, rhythm- or rate-control. A rhythm-control strategy may be used in patients who are severely compromised, remain symptomatic despite adequate rate control, when adequate rate control is difficult to achieve, when long term rhythm control therapy is preferred, younger patient age, presence of tachycardia-mediated cardiomyopathy, and first episode of AF.1,3 Early intervention with a rhythm-control strategy to prevent progression of AF may be particularly beneficial to the AF patient.

About Brinavess

Brinavess (vernakalant HCl, IV) is an antiarrhythmic drug that acts preferentially in the atria by prolonging atrial refractoriness and slowing impulse conduction in a rate-dependent fashion. Brinavess is approved for marketing in Europe, Canada and several other countries worldwide. In Europe, it is approved for the rapid conversion of recent onset atrial fibrillation to sinus rhythm in adults: 1) for non-surgery patients: atrial fibrillation < 7 days duration; and 2) for post-cardiac surgery patients: atrial fibrillation <3 days duration. Vernakalant IV is not approved for use in the United States.

About Correvio Pharma Corp.

Correvio Pharma Corp. is a specialty pharmaceutical company focused on providing innovative, highquality brands that meet the needs of acute care physicians and patients. With a commercial presence and distribution network covering over 60 countries worldwide, Correvio develops, acquires and commercializes brands for the in-hospital, acute care market segment. The Company’s portfolio of approved and marketed brands includes: Xydalba™ (dalbavancin hydrochloride), for the treatment of acute bacterial skin and skin structure infections (ABSSSI); Zevtera®/Mabelio® (ceftobiprole medocaril sodium), a cephalosporin antibiotic for the treatment of community- and hospital-acquired pneumonia (CAP, HAP); Brinavess®™ (vernakalant IV) for the rapid conversion of recent onset atrial fibrillation to sinus rhythm; Aggrastat® (tirofiban hydrochloride) for the reduction of thrombotic cardiovascular events in patients with acute coronary syndrome, and Esmocard® and Esmocard Lyo® (esmolol hydrochloride), a short-acting betablocker used to control rapid heart rate in a number of cardiovascular indications. Correvio’s pipeline of product candidates includes Trevyent®, a drug device combination that is designed to deliver treprostinil, the world’s leading treatment for pulmonary arterial hypertension.

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