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Nabriva Therapeutics Completes Submission of New Drug Application to U.S. Food and Drug Administration for Intravenous Contepo to Treat Complicated Urinary Tract Infections

Nabriva Therapeutics Completes Submission of New Drug Application to U.S. Food and Drug Administration for Intravenous Contepo to Treat Complicated Urinary Tract Infections

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Nabriva Therapeutics Completes Submission of New Drug Application to U.S. Food and Drug Administration for Intravenous Contepo to Treat Complicated Urinary Tract Infections

DUBLIN, Ireland, Nov. 01, 2018 (GLOBE NEWSWIRE) —  Nabriva Therapeutics plc (NASDAQ: NBRV), a clinical-stage biopharmaceutical company engaged in the research and development of innovative anti-infective agents to treat serious infections, announced it has submitted a New Drug Application (NDA) to the U.S. Food and Drug Administration (FDA) to seek marketing approval for its investigational intravenous antibiotic, Contepo (fosfomycin for injection) to treat complicated urinary tract infections (cUTIs), including acute pyelonephritis. Contepo has been granted Qualified Infectious Disease Product (QIDP) and Fast Track designations by the FDA for the treatment of several serious infections, including cUTI, which enables Priority Review of the NDA, following acceptance.

“A significant medical need remains in the United States for new treatments for complicated urinary tract infections as serious Gram-negative infections caused by extended-spectrum beta-lactamase (ESBLs) producing Enterobacteriaceae, as well as other multi-drug resistant pathogens, continue to be a significant challenge for healthcare providers leading to treatment failure, infection recurrence, re-hospitalizations, and higher rates of morbidity and mortality,” said Dr. Jennifer Schranz, chief medical officer of Nabriva Therapeutics. “Therapies with a new mechanism of action are desperately needed to address this growing public health threat. This NDA submission represents a substantial achievement for our company.  We are truly grateful to the patients, investigators, and the entire team for their commitment to advancing Contepo to this important milestone. We look forward to working with the FDA during the review process with the goal of bringing Contepo, a potentially first-in-class intravenous antibiotic, to clinicians and patients.”

The NDA submission is utilizing the 505(b)(2) regulatory pathway and is supported by a robust data package, including a pivotal Phase 2/3 clinical trial (known as ZEUS™), which met its primary endpoint of statistical non-inferiority to piperacillin/tazobactam in patients with cUTI, including acute pyelonephritis.

About cUTIs

Urinary tract infections (UTIs) are a significant health problem in both the community- and hospital-based treatment settings. It is estimated that 150 million UTIs occur yearly worldwide, accounting for $6 billion in health care expenditures, according to the American Urological Association. Patients who fail to respond to an initial course of antibiotics can go on to develop a cUTI, which occurs when the bacteria are embedded in the bladder wall where they can multiply more slowly and are much harder to address with antibiotics. In most cases, cUTIs occur following treatment for a normal UTI because antibiotics were given too late, for too short a period of time, at too low of a dose course or the wrong antibiotic was used and did not provide adequate spectrum of coverage. An estimated three million cases of cUTIs are treated in the hospital setting in the United States each year for Gram-negative infections. Enterobacteriaceae are the most common pathogens causing cUTIs and, currently, widespread antibiotic resistance limits the effective treatment options for cUTI. Ineffectively managed cUTI can lead to increased treatment failure rates, recurrence of infection, increased re-hospitalization, and increased morbidity and mortality.

About Contepo

Contepo (fosfomycin for injection, previously referred to as ZTI-01 and ZOLYD) is a novel, potentially first-in-class in the United States, intravenous investigational antibiotic with a broad spectrum of Gram-negative and Gram-positive activity, including activity against most contemporary multi-drug resistant (MDR) strains such as ESBL-producing Enterobacteriaceae. Intravenous (I.V.) fosfomycin has been approved for a number of indications and utilized for over 45 years in Europe to treat a variety of infections, including cUTIs and other serious bacterial infections. Contepo utilizes a new dosing approach, originally developed by Zavante (which Nabriva Therapeutics acquired), to optimize its pharmacokinetics and pharmacodynamics. Nabriva Therapeutics believes these attributes, along with the positive clinical experience worldwide, support Contepo as a first-line treatment for cUTIs, including acute pyelonephritis, suspected to be caused by MDR pathogens. At least 20 percent of cUTIs are caused by MDR bacteria and limited treatment options are available in the U.S. In addition, non-clinical data have shown that Contepo acts in combination with certain other antibiotics to improve bacterial killing.

About Nabriva Therapeutics plc

Nabriva Therapeutics is a clinical-stage biopharmaceutical company engaged in the research and development of innovative anti-infective agents to treat serious infections. Nabriva Therapeutics has two product candidates that are in late stage development: lefamulin, under development to potentially be the first pleuromutilin antibiotic available for I.V. and oral administration in humans, and Contepo, a potential first-in-class in the United States I.V. antibiotic. Nabriva Therapeutics is developing both I.V. and oral formulations of lefamulin for the treatment of community-acquired bacterial pneumonia (CABP) and Contepo I.V. for cUTIs, including acute pyelonephritis. Nabriva Therapeutics may potentially develop lefamulin and Contepo for additional indications. For more information, please visit https://www.nabriva.com.

Forward-Looking Statements

Any statements in this press release about future expectations, plans and prospects for Nabriva Therapeutics, including but not limited to statements about the development of Nabriva Therapeutics’ product candidates, such as the future development or commercialization of lefamulin and Contepo, conduct and timelines of clinical trials, the clinical utility of lefamulin for CABP and of Contepo for cUTI, plans for and timing of the review of regulatory filings, efforts to bring lefamulin and Contepo to market, the market opportunity for and the potential market acceptance of lefamulin for CABP and Contepo for cUTI, the development of lefamulin and Contepo for additional indications, the development of additional formulations of lefamulin and Contepo, plans to pursue research and development of other product candidates, the sufficiency of Nabriva Therapeutics’ existing cash resources and other statements containing the words “anticipate,” “believe,” “estimate,” “expect,” “intend,” “may,” “plan,” “predict,” “project,” “target,” “potential,” “likely,” “will,” “would,” “could,” “should,” “continue,” and similar expressions, constitute forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995. Actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, including:  the content and timing of decisions made by the U.S. Food and Drug Administration and other regulatory authorities, Nabriva Therapeutics’ ability to realize the anticipated benefits, synergies and growth prospects of its acquisition of Zavante Therapeutics, the uncertainties inherent in the initiation and conduct of clinical trials, availability and timing of data from clinical trials, whether results of early clinical trials or studies in different disease indications will be indicative of the results of ongoing or future trials, whether results of ZEUS will be indicative of results for any ongoing or future clinical trials and studies of Contepo, uncertainties associated with regulatory review of clinical trials and applications for marketing approvals, the availability or commercial potential of product candidates including lefamulin for use as a first-line empiric monotherapy for the treatment of moderate to severe CABP and Contepo for the treatment of cUTI, the ability to retain and hire key personnel, the sufficiency of cash resources and need for additional financing and such other important factors as are set forth in Nabriva Therapeutics’ annual and quarterly reports and other filings on file with the U.S. Securities and Exchange Commission. In addition, the forward-looking statements included in this press release represent Nabriva Therapeutics’ views as of the date of this press release. Nabriva Therapeutics anticipates that subsequent events and developments will cause its views to change. However, while Nabriva Therapeutics may elect to update these forward-looking statements at some point in the future, it specifically disclaims any obligation to do so. These forward-looking statements should not be relied upon as representing Nabriva Therapeutics’ views as of any date subsequent to the date of this press release.

Source: Nabriva Therapeutics US, Inc

Posted: November 2018

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