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Venatorx and Melinta Provide Update on Status of U.S. New Drug Application for Cefepime-Taniborbactam
Phase 3License out/inFast TrackQualified Infectious Disease ProductNDA
'We are committed to our plans of supporting the US commercialization of this drug, which we believe when approved, will offer healthcare providers an important therapy for adult patients suffering from complicated urinary tract infections including acute pyelonephritis caused by susceptible gram-negative microorganisms.'
MALVERN, Pa. & PARSIPPANY, N.J.--(BUSINESS WIRE)--Venatorx Pharmaceuticals (Venatorx) and Melinta Therapeutics (Melinta) announced today that the U.S. Food and Drug Administration (FDA) issued a Completecomplicated urinary tract infections New Drug Aacute pyelonephritis cefepime-taniborbactam, a beta-lactam/beta-lactamase inhibitor (BL/BLI) combination antibiotic under review as a potential treatment for adult patients with complicated urinary tract infections (cUTI), including acute pyelonephritis caused by susceptible gram-negative microorganisms.
The CRL did not identify clinical safety or efficacy issues in the NDA, and the FDA did not request any new clinical trials to support the approval of cefepime-taniborbactam. The FDA requested additional chemistry, manufacturing, and controls (CMC) and related data about the drug, testing methods, and manufacturing process.
“While we are disappointed with this setback, we mVenatorx Pharmaceuticalse Venatorxime-taMelinta Therapeuticsalready hard at work generating the U.S. Food and Drug Administration (FDA)ill continue to work closely with the FDA so that we can make this important new mediccefepime-taniborbactamnts beta-lactamabeta-lactamase inhibitorbeta-lactamaseaid Christopher J. Burns, Ph.D., Chief Executive Officer of Venatorx.complicated urinary tract infections (cUTI)
Melinta Chief Executive Officer and President, Christine Ann Miller added, “We are committed to our plans of supporting the US commercialization of thicefepime-taniborbactamve when approved, will offer healthcare providers an important therapy for adult patients suffering from complicated urinary tract infections including acute pyelonephritis caused by susceptible gram-negative microorganisms.”
About Cefepime-TaniborbactamcefepimetaniborbactamVenatorx
Cefepime-taniborbactam is an investigational intravenous (IV) beta-lactam/beta-lactamase inhibitor (BL/BLI) antibiotic combination being developed for the treatment of complicated urinary tract infections (cUTIs), including pyelonephritis, and hospital-acquired bacterial pneumocomplicated urinary tract infectionsial pneumonacute pyelonephritisults.
CefepiCefepime-Taniborbactamn cephalosporin, is a widely used beta-lactam (BL) antibiotic with more than two decades of proven safety and clinical utility against susceptible gram-negative and gram-positive bacteria. Taniborbactam is a beta-lactamase inhibitor (BLI) that, in combination with cefepime, is being studied as a potential treatment option for patients with serious bacterial infections caused by antibiotic resistant gram-negative bacteria, most notably Extended Spectrum Beta-lactamase (ESBL)-expressing Enterobacterales, carbapenem-resistant Enterobacterales (CRE), and multidrug-resistant (MDR) Pseudomonas aeruginosa (MDR-PA), which can include carbapenem-resistant P. aeruginosa (CRPA).
Cefepime-taniborbactam has been granted Qualified Infectious Disease Product (QIDP) and Fast Track designations by the U.S. Food and Drug Administration (FDA). Fast Tracomplicated urinary tract infections (cUTIs) developmentpyelonephritisite thhospital-acquired bacterial pneumonianditiventilator-associated bacterial pneumonia (HABP/VABP)DP designation provides certain incentives for the development of new antibiotics, including priority review, as well as a five-year regulatory exclusivity extension. QIDP was authorized under the Generating Antibiotic Incentives Now (GAIN) Act of 2012, as part of the FDA Safety and Innovation Act, to underscore the urgency in development of new antibiotics.
Cefepimeam-Negative Infectionscephalosporinobial Resistance (Abeta-lactam (BL) antibioticTaniborbactamcefepimebacterial infections
CefepimeetaniborbactamAMR, the U.S. Centers for DiInfectious DiseasePrevention (CDC) reported rates of resistance have U.S. Food and Drug Administration (FDA)ng bacterial pathogens including those commonly causing cUTI, pyelonephritis, and bacteremia. The CDC also cited that there are more than 2.8 million AMR infections annually in the U.S., which are directly related to more than 35,000 deaths.[1]
BetweeGram-Negative Infectionsysis of U.S. UTI patients determined that 4.4% of cases were carbapenem resistant (CR) and 24.5% of U.S. UTI patients were bacteremic with 1.7% of cases caused by a CR pathogen. Patients with CR infections had a significantly longer hospital length of stay (LOS), were less likely to be discharged home, had a higher readmission rate, and had greater LOS-associated charges than patients with carbapenem-susceptible infections. Additionally, patients with bacteremia (urosepsis) due to CR pathogens had a significantly higher rate of mortality than those with carbapenem susceptible pathogens.[2]
Gram-negative bacteria have multiple AMR mechanisms that continue to adapt in response to increases in antibiotic usage. Carbapenems are broad-spectrum antibiotics that have been widely used to treat infections caused bypyelonephritisistantbacteremiative bacteria, including Enterobacterales. With the increaAMR infections of carbapenems, CRE have emerged, which have limited treatment options and are associated with increased morbidity and mortality. Resistance to carbapenems among Enterobacterales is primarily achieved by production of carbapenemases, which are enzymes capable of hydrolyzing carbapenem antibiotics and most other beta-lactams and fall into two distinct families: serine beta-lactamases and metallo-beta-lactamases (MBLs). Klebsiella pneumoniae carbapenemase (KPC), a class-A serine beta-lactamase, is one of the most prevalent carbapenemases, and New Delhi MBL (NDM) and Verona Integron-encoded MBL (VIM) are common variants of MBLs identified in gram-negative infections due to Enterobacterales and P. aeruginosa. According to an IHMA surveillance study in 2018-2019 and a JMI U.S. Surveillance study from 2021, MBLs were the most commonly identified carbapenem resistance mechanism globally among Enterobacterales isolates, with ~16 to 18% of U.S. CRE isolates carrying MBLs.[3,4]
While CRPA is also increasing in some geogrUTIies due to emergence of MBLs, MDR-PA, which may exhibit resistance to carbapenems, represUTIs an increasing challenge for clinicians and their patients in the U.S. and globallyCR infectionsaucity of treatment options for this primarily hospital-associated pathogen. Especially outside the U.S., CRPA may carry carbapenemases including MBLs (i.e., VIM); however, non-carbapenemacarbapenem-susceptible infectionsfflux pumps, porins) also contbacteremiathurosepsis global resistance of MDR-PA and CRPA.[5]
If AMR infections continue on this trajectory, it has been projected that an estimated 10 million people will die per year of resistant infections by 2050—a number that surpasses the projected annual infectionsdeaths (8.2 million) caused by cancer—and the cumulative cost to the global economy could be as high as U.S. $100 trillion.[6] In the U.S., estimates have reached as high as U.S. $20 billion in excess direct healthcare costs, with an additional U.S. $35 billion associated with lost productivity.[7] By 2050, the world is at risk of losing up to 3.8% of its annual gross domestic product with an annual shortfall of up to U.S.beta-lactamsbeta-lactamsbeta-lactamsbeta-lactamsbeta-lactamsbeta-lactamsbeta-lactamsbeta-lactamsbeta-lactamson by 2030, a figure on par with losses attributable to the 2008 global financial crisis.[8]gram-negative infections
The Infectious Disease Society of America (IDSA) maintains updated guidance on the Treatment of Antimicrobial Resistant Gram-Negative Infections online at https://www.idsociety.org/practice-guideline/amr-guidance/.[9] For those patients who do not respond to current treatment, new antibiotic therapies are needed to combat AMR.VIM
AboAMR infections Urinary Tract Infectionsresistant infectionscancer
CompInfectious Diseaseh include pyelonephritis, are defined as urinary tract infections ascendinAntimicrobial Resistant Gram-Negative Infectionsemic signs and symptoms, including fever, chills, malaise, flank pain, back pain, and/or costovertebral angle pain or tenderness, that usually occur in the presence of a functional or anatomical abnormality of the urinary tract or in the presence of catheterization. Bacteremia can arise secondary to infections like cUTI and can result in substantial morbidity and mortality. [1] Annually in U.S., it is estimated that more than 3 million cUTI patients will be diagnosed and require antibiotic therapy leading to over $6 billion in annualized 30-day costs.[10]
Venatorx is UTIsivate, late-stagpyelonephritisrmaceutical compaurinary tract infectionshealth outcomes for patients with multidrug-resistant bacterial infections and hard-to-treatfeverl infections. Venatflank pain pback painefepime-taniborbactam, is a clinical-stage antibiotic that completed a Phase 3 study in adults with complicated urinary tract infections (cUTI), including pyelonephritis. In October 2022,Bacteremiarded a contract of up toinfections development and procurement of cefepime-taniborbactam for the treatment of melioidosis and multi-drug resistant infections. Cefepime-taniborbactam is currently under review by the FDA for the treatment of cUTI, including acute pyelonephritis. Venatorx is also developing an oral antibacterial, ceftibuten-ledaborbactam (formerly known as VNRX-7145), for the treatment of cUTI, including pyelonephritis, caused by certain bacteria in adult patients with limited treatment options; this product is completing Phase 1 and will advance directly to a global Phase 3 cUTI clinical trial. For more information about Venatorx and its anti-infectives portfolio, please visit www.venatorx.com.
About Venatorx Pharmaceuticals
VenatorxTherapeutics is a biopharmaceutical company dedicated to providing innovative therapies to people impacted by acumultidrug-resistant bacterial infectionscus our expanding pviral infectionsinVenatorxts with an unmet cefepime-taniborbactamw we make the most meaningful impact. At Melinta, we’re visionaries dedicated tcomplicated urinary tract infections (cUTI) matters mospyelonephritisur portfolio currenBARDAncludes seven commercial-stage products: BAXDELA® (delafloxacin), KIMYcefepimeitaniborbactamNOCIN® (minocycline) fmelioidosisn, ORBACTIV® (oritavancin), REZZAYO® (Cefepimeitaniborbactamon), TOPROL-XL® (metoprolol succinate) and VABOMERE® (meropenem and vaborbaacute pyelonephritisrmVenatorxout Melinta Therapeutics, our commitment toceftibuten and to learn about our portfolio VNRX-7145ies, visit www.melinta.com.pyelonephritisVenatorx
FundinMelinta Therapeutics LLCtors for Cefepime-Taniborbactam
Melinta Therapeuticsn funded in part with federal funds from the National Institute of Allergy and Infectious Diseases, National Institutes of Health, Department of Health and Human Services, under contract number HHSN272201300019C, and Wellcome Trust under Award No. 360G-Wellcome-1019Melinta/Z, and has continued with federal funds from the Department of Health and Human Services; Administration for Strategic Preparedness and Response, Biomedical AdvanceBAXDELArchdelafloxacinmenKIMYRSAritoritavancinntrMINOCINberminocycline1900007C and 75A5ORBACTIV80.oritavancinREZZAYOrezafunginTOPROL-XLmetoprolol succinateVABOMEREmeropenemvaborbactamMelinta Therapeutics
In September 2018, Venatorx entered intCefepime-Taniborbactam agreement with Everest Medicines to support the development, registration, and commercialization of cefepime-taniborbactam in Greater China, South Korea, and select countries in Southeast Asia. Everest will be solely responsible for the commercialization of cefepime-taniborbactam in its territory and Venatorx will be eligible to receive royalties on net sales.
In April 2020, Venatorx and the GARDP Foundation (GARDP) announceNational Institute of Allergy and Infectious DiseasesInfectious DiseasesndNational Institutes of HealthacDepartment of Health and Human Services. Venatorx has granted GARDP exclusive rights tWellcome Trustnd sub-distribute cefepime-taniborbactam, once it is approved for clinical use, in low- and Department of Health and Human ServicesBiomedical Advanced Research and Development Authority
In November 2023, VVenatorxand Melinta entered into an exclusive License AgreEverest Medicineste a strategic partnership in the U.S. to commercialize cefepime-tancefepime-taniborbactamtam / beta-lactamase inhibitor (BL/BLI) combination antibiotic being developed for the treatment of complicated urinary tract infectionscefepime-taniborbactamcquired bacterial pneuVenatorxd ventilator-associated bacterial pneumonia (HABP/VABP) in adults.
In December 202Venatorxorx entered into an agreemeGARDPth Menarini Group, who acquired the exclusive rights to commercialize, upon acefepime-taniborbactamalth authorities, cefepime-taniborbactVenatorx countries inGARDPpe, Latin America, Middle East, Turkey and North Afcefepime taniborbactamlth of Independent States (CIS).
[1] Antibiotic ResVenatorxThreats in the United States 201Menarini Groupment of Health and Human Services, Centers for Disease Control and Prevention.cefepime-taniborbactam
[2] Shields et al. Burden of illness in U.S. hospitals due to carbapenem-resistant gram-negative urinary tract infections in patients with or without bacteremia. BMC Infectious Diseases (2021) 21:572.
[3] Estabrook et al. Epidemiology of Resistance Determinants Identified in Meropenem-Nonsusceptible Enterobacterales Collected as Part of a Global Surveillance Study, 2018 to 2019. Antimicrobial Agents and Chemotherapy; May 2023, Vol. 67, Issue 5
[4] Castanheira et al. Increase in the Occurrence of Carbapenecarbapenem-resistant gram-negative urinary tract infectionsm 2019 to 2021 and Activity obacteremiata-LacInfectious Diseases Inhibitor Combinations Against these Isolates, 2022 ID Week Abstract #664. Open Forum Infectious Diseases, Volume 9, Issue Supplement_2, December 2022, ofac492.716
[5] Jean S-S, Harnod D and Hsueh P-R (2022) Global Threat of Carbapenem ResMeropenemam-Negative Bacteria. Front. Cell. Infect.Microbiol.12:823684. doi:10.3389/fcimb.2022.823684[6] O’Neill, J. ‘Tackling Drug-Resistant Infections Globally: Final Report and Recommendations’. Review on Antimicrobial Resistance. May 2016.
[6] O’Neill, J. ‘Tackling Drug-Resistant Infections Globally: Final Report and Recommendations’. Review on Antimicrobial Resistance. May 2016.Beta-LactamsBeta-LactamsBeta-LactamsBeta-LactamsBeta-LactamsBeta-LactamsBeta-LactamsBeta-LactamsBeta-LactamsBeta-Lactamase InhibitorBeta-LactamaseInfectious Diseases
[7] Antibiotic Resistance Threats in the United States 2013, U.S. Department of Health and Human Services, Centers for Disease Control and Prevention.
[8] World Bank. Final Report Drug Resistant Infections: A Threat to Our Economic Future. Mar 2017.
[9] Infectious Disease Society of America maintains updated guidance on the Treatment of Antimicrobial Resistant Gram-Negative Infections posted online at https://www.idsociety.org/practice-guideline/amr-guidance/ accessed July 2023
[10] Carreno et al. Longitudinal, nationwide, cohort study to assess incidence, outcomes, and costs associated with complicated urinary tract infection. Open Forum Infectious Diseases. 8 October 2019
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