DUBLIN, Oct. 9, 2015 /PRNewswire/ -- Allergan plc (NYSE: AGN) announced that the U.S. Food and Drug Administration (FDA) has accepted for filing Allergan's supplemental New Drug Application (sNDA). This filing will expand the label to include single-dose administration of DALVANCE® (dalbavancin) for the treatment of acute bacterial skin and skin structure infections (ABSSSI) in adults caused by designated susceptible Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus (MRSA).

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"With the FDA's acceptance of this supplemental application, Allergan is one step closer to providing a single-dose option of DALVANCE which may provide more flexibility to manage serious skin infections in an outpatient setting," said David Nicholson, Executive Vice President and President Global Brands Research and Development, Allergan. "DALVANCE is an important part of Allergan's anti-infective portfolio focused on addressing infections in multiple clinical settings to help improve outcomes for patients and the healthcare system." 

The application was based on results from a Phase 3 study DUR001-303, which compared a single 1500 mg dose of DALVANCE with the two-dose regimen of 1000 mg followed one week later by 500 mg.  Data demonstrated the 1500 mg single dose of DALVANCE achieved its primary endpoint of non-inferiority to the two-dose regimen (10% non-inferiority margin) at 48 to72 hours after initiation of therapy, as determined by a decrease of > 20% in lesion area relative to the baseline measurement (81.4% vs. 84.2% for the single dose vs. the two dose regimen, respectively; Difference -2.9; 95% CI: -8.5, 2.8).

DALVANCE was first approved in the U.S. in May 2014 for the treatment of ABSSSI in adults. DALVANCE is the first and only once-weekly IV antibiotic approved for the treatment of ABSSSI with a two-dose regimen of 1000 mg followed one week later by 500 mg.

DALVANCE is marketed in the European Union as XYDALBA™ (dalbavancin) for injection for the treatment of adult patients with ABSSSI caused by susceptible Gram-positive bacteria, including MRSA.

About DALVANCE®
DALVANCE® for injection is a second generation, semi-synthetic lipoglycopeptide, which consists of a lipophilic side-chain added to an enhanced glycopeptide backbone.  DALVANCE is the first and only IV antibiotic approved for the treatment of ABSSSI with a two-dose regimen of 1000 mg followed one week later by 500 mg, each administered over 30 minutes. DALVANCE demonstrates bactericidal activity in vitro against a range of Gram-positive bacteria, such as Staphylococcus aureus (including methicillin-resistant, also known as MRSA, strains) and Streptococcus pyogenes, as well as certain other streptococcal species.  On May 23, 2014 the FDA approved DALVANCE for the treatment of adult patients with acute bacterial skin and skin structure infections (ABSSSI) caused by susceptible Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus (MRSA).

INDICATION AND USAGE
DALVANCE (dalbavancin) for injection is indicated for the treatment of adult patients with acute bacterial skin and skin structure infections (ABSSSI) caused by susceptible isolates of the following Gram-positive microorganisms: Staphylococcus aureus (including methicillin-susceptible and methicillin-resistant strains),Streptococcus pyogenes, Streptococcus agalactiae, and Streptococcus anginosus group (including S. anginosus, S. intermedius, S. constellatus).
To reduce the development of drug-resistant bacteria and maintain the effectiveness of DALVANCE and other antibacterial agents, DALVANCE should be used only to treat infections that are proven or strongly suspected to be caused by susceptible bacteria.

IMPORTANT SAFETY INFORMATION

CONTRAINDICATIONS
DALVANCE is contraindicated in patients with known hypersensitivity to dalbavancin.

WARNINGS AND PRECAUTIONS

Hypersensitivity Reactions
Serious hypersensitivity (anaphylactic) and skin reactions have been reported with glycopeptide antibacterial agents, including DALVANCE. Exercise caution in patients with known hypersensitivity to glycopeptides due to the possibility of cross-sensitivity. If an allergic reaction occurs, treatment with DALVANCE should be discontinued.

Infusion-related Reactions
Rapid intravenous infusion of DALVANCE can cause reactions, including flushing of the upper body, urticaria, pruritus, and rash.

Hepatic Effects
ALT elevations with DALVANCE treatment were reported in clinical trials.

Clostridium difficile-associated Diarrhea
Clostridium difficile-associated diarrhea (CDAD) has been reported with nearly all systemic antibacterial agents, including DALVANCE, with severity ranging from mild diarrhea to fatal colitis. Evaluate if diarrhea occurs.

Development of Drug-Resistant Bacteria
Prescribing DALVANCE in the absence of a proven or strongly suspected bacterial infection is unlikely to provide benefit to the patient and increases the risk of the development of drug-resistant bacteria.

ADVERSE REACTIONS
The most common adverse reactions in patients treated with DALVANCE were nausea (5.5%), headache (4.7%), and diarrhea (4.4%).

USE IN SPECIFIC POPULATIONS
There have been no adequate and well-controlled studies with DALVANCE in pregnant or nursing women. DALVANCE should only be used if the potential benefit justifies the potential risk in these populations.

In patients with renal impairment whose known creatinine clearance is less than 30 mL/min and who are not receiving regularly scheduled hemodialysis, the recommended two-dose regimen for DALVANCE is 750 mg followed one week later by 375 mg. No dosage adjustment is recommended for patients receiving regularly scheduled hemodialysis, and DALVANCE can be administered without regard to the timing of hemodialysis.

Caution should be exercised when prescribing DALVANCE to patients with moderate or severe hepatic impairment (Child-Pugh Class B or C) as no data are available to determine the appropriate dosing in these patients.

Please see full prescribing information for DALVANCE at www.dalvance.com.

About ABSSSI
There were more than 4.8 million hospital admissions of adults with ABSSSI from 2005 through 2011, which included patients with cellulitis, erysipelas, wound infection and major cutaneous abscess. In fact, hospital admissions for ABSSSI significantly increased by 17.3 percent during this timeframe. The majority of all skin and soft tissue infections in hospitalized patients are caused by streptococci and Staphylococcus aureus, and approximately 59 percent of these S. aureus infections in the U.S. are estimated to be caused by MRSA. Early and effective treatment of ABSSSI is critical to optimize patient recovery and for certain patients may also help to avoid potentially lengthy and costly hospital stays.

About Allergan
Allergan plc (NYSE: AGN), headquartered in Dublin, Ireland, is a unique, global pharmaceutical company and a leader in a new industry model – Growth Pharma.  Allergan is focused on developing, manufacturing and commercializing innovative branded pharmaceuticals, high-quality generic and over-the-counter medicines and biologic products for patients around the world. 

Allergan markets a portfolio of best-in-class products that provide valuable treatments for the central nervous system, eye care, medical aesthetics, gastroenterology, women's health, urology, cardiovascular and anti-infective therapeutic categories, and operates the world's third-largest global generics business, providing patients around the globe with increased access to affordable, high-quality medicines. Allergan is an industry leader in research and development, with one of the broadest development pipelines in the pharmaceutical industry and a leading position in the submission of generic product applications globally.

With commercial operations in approximately 100 countries, Allergan is committed to working with physicians, healthcare providers and patients to deliver innovative and meaningful treatments that help people around the world live longer, healthier lives.

For more information, visit Allergan's website at www.allergan.com.

Forward-Looking Statement
Statements contained in this press release that refer to future events or other non-historical facts are forward-looking statements that reflect Allergan's current perspective of existing trends and information as of the date of this release. Except as expressly required by law, Allergan disclaims any intent or obligation to update these forward-looking statements. Actual results may differ materially from Allergan's current expectations depending upon a number of factors affecting Allergan's business. These factors include, among others, the difficulty of predicting the timing or outcome of FDA approvals or actions, if any; the impact of competitive products and pricing; market acceptance of and continued demand for Allergan's products; difficulties or delays in manufacturing; and other risks and uncertainties detailed in Allergan's periodic public filings with the Securities and Exchange Commission, including but not limited to Allergan's Quarterly Report on Form 10-Q for the quarter ended March 31, 2015 (such periodic public filings having been filed under the "Actavis plc" name). Except as expressly required by law, Allergan disclaims any intent or obligation to update these forward-looking statements.

CONTACTS:

Investors:


Lisa DeFrancesco


(862) 261-7152




Media:            


Mark Marmur


(862) 261-7558  

 

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SOURCE Allergan plc

Copyright 2015 PR Newswire

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