FDA Approves Orlynvah (sulopenem etzadroxil and probenecid) for the Treatment of Uncomplicated Urinary Tract Infections

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FDA Approves Orlynvah (sulopenem etzadroxil and probenecid) for the Treatment of Uncomplicated Urinary Tract Infections

DUBLIN and CHICAGO, Oct. 25, 2024 (GLOBE NEWSWIRE) -- Iterum Therapeutics plc (Nasdaq: ITRM) (Iterum), today announced that the U.S. Food and Drug Administration (FDA) has approved Iterum’s new drug application for Orlynvah (sulopenem etzadroxil and probenecid) for the treatment of uncomplicated urinary tract infections (uUTIs) caused by the designated microorganisms Escherichia coli, Klebsiella pneumoniae, or Proteus mirabilis in adult women who have limited or no alternative oral antibacterial treatment options. This is the first approved indication for Orlynvah and the first FDA-approved product for Iterum.

“We are so pleased to have achieved this historic milestone and would like to thank all the patients, investigators, Iterum colleagues and Iterum consultants and vendors who participated in the development of Orlynvah. Orlynvah offers new hope for patients suffering from difficult-to-treat uUTIs. The introduction of novel products, like Orlynvah, is an important way to combat antimicrobial resistance to other approved oral agents and offers a potential solution to patients and physicians,” said Corey Fishman, Iterum’s Chief Executive Officer. “As the first oral penem approved in the U.S., Orlynvah offers an excellent alternative treatment option for appropriate patients in the underserved uUTI market. With FDA approval and a clear label, we will renew our efforts to achieve a strategic transaction involving Orlynvah with the goal of maximizing value for our stakeholders.”

The FDA approval of Orlynvah was based on a clinical development program supported by a robust data package, including two pivotal, Phase 3 clinical trials (known as SURE 1 and REASSURE) that evaluated the safety and efficacy of Orlynvah compared to ciprofloxacin (SURE 1) and Augmentin™ (REASSURE) in the treatment of adult women with uUTI. SURE 1 showed superiority to ciprofloxacin in fluoroquinolone resistant infections, while REASSURE showed non-inferiority and statistical superiority to Augmentin™ in the Augmentin™ susceptible population. Orlynvah was generally well tolerated in both SURE 1 and REASSURE clinical trials.

“The FDA approval of Orlynvah is tremendous news for those of us who have been hoping for a new option to treat appropriate at-risk patients suffering from UTIs,” said Marjorie Golden, MD, FIDSA, Site Chief, Infectious Disease, St. Raphael Campus Yale New Haven Hospital. “Based on the totality of clinical data generated, Orlynvah has the potential to be an important treatment alternative for use in the community.”

About uUTIs

UTIs are among the most common bacterial infections encountered in the community. uUTIs are infections of the bladder occurring mainly in women. Up to 60% of women will have a uUTI in their lifetime. Up to 40% of women with a history of uUTI will have a recurrence of their infection. There are approximately 40 million uUTI prescriptions generated annually in the United States, and we estimate approximately 1% of those infections are caused by pathogens that are resistant to all commonly available classes of oral antibiotics. Rising antibiotic resistance, an aging population with comorbidities and sub-optimal safety profiles of existing oral treatment options are making antibiotic selection more challenging for treating physicians.

About Orlynvah

Orlynvah is a novel oral penem antibiotic for the treatment of uUTI. Orlynvah possesses potent activity against species of Enterobacterales including those that encode extended spectrum beta-lactamase (ESBL) or AmpC-type beta-lactamases that confer resistance to third generation cephalosporins.

INDICATION AND IMPORTANT SAFETY INFORMATION

INDICATIONS & USAGE

Orlynvah a combination of sulopenem etzadroxil, a penem antibacterial, and probenecid, a renal tubular transport inhibitor, is indicated for the treatment of uUTI caused by the designated microorganisms Escherichia coli, Klebsiella pneumoniae, or Proteus mirabilis in adult women who have limited or no alternative oral antibacterial treatment options.

Limitations of Use

Orlynvah is not indicated for the treatment of:

  • Complicated urinary tract infections (cUTI) or as step-down treatment after intravenous antibacterial treatment of cUTI.
  • Complicated intra-abdominal infections (cIAI) or as step-down treatment after intravenous antibacterial treatment of cIAI.

    • Usage to Reduce Development of Drug-Resistant Bacteria

    To reduce the development of drug-resistant bacteria and maintain the effectiveness of Orlynvah and other antibacterial drugs, Orlynvah should be used only to treat uUTI that are proven or strongly suspected to be caused by susceptible bacteria. Culture and susceptibility information should be utilized in selecting or modifying antibacterial therapy.

    IMPORTANT SAFETY INFORMATION

    CONTRAINDICATIONS

  • Patients with a history of hypersensitivity to the components of Orlynvah (sulopenem etzadroxil and probenecid) or other beta-lactam antibacterial drugs.
  • Patients with known blood dyscrasias.
  • Patients with known uric acid kidney stones.
  • Concomitant use of Orlynvah and ketorolac tromethamine is contraindicated.

    • WARNINGS AND PRECAUTIONS

  • Hypersensitivity Reactions: Hypersensitivity reactions have been reported in patients treated with Orlynvah. Serious and occasionally fatal hypersensitivity reactions, including anaphylaxis, have been reported with beta-lactam antibacterial drugs. Severe allergic reactions and anaphylaxis have been reported with the use of probenecid (a component of Orlynvah). If an allergic reaction to Orlynvah occurs, discontinue the drug and institute appropriate therapy.
  • Clostridioides difficile-Associated Diarrhea (CDAD): This has been reported with nearly all systemic antibacterial agents. Evaluate if diarrhea occurs.
  • Exacerbation of Gout: When prescribing Orlynvah to patients with a known history of gout, ensure appropriate therapy of gout is instituted.

    • ADVERSE REACTIONS

    The most common adverse reactions (≥2%) in patients treated with Orlynvah were diarrhea, nausea, vulvovaginal mycotic infection, headache, and vomiting.

    DRUG INTERACTIONS

  • Ketoprofen: Concomitant use is not recommended.
  • See full prescribing information for additional clinically significant drug interactions with Orlynvah.

    • USE IN SPECIFIC POPULATIONS

  • There are no available data on Orlynvah use in pregnant women to evaluate for a drug-associated risk of major birth defects, miscarriage or adverse maternal or fetal outcomes.
  • There are no data on the presence of Orlynvah or its metabolite in human milk, the effects on the breastfed infant, or the effects on milk production.
  • The safety and effectiveness of Orlynvah in pediatric patients have not been established.
  • No dosage adjustment based on age is required. Orlynvah is known to be substantially excreted by the kidney, and geriatric patients are anticipated to have reduced renal function. Recommendations for use in elderly patients should be based on renal function.
  • Increases in sulopenem plasma concentrations were observed with mild, moderate and severe renal impairment; however, the available safety information does not suggest a need for dosage adjustments in these patients. Administration of Orlynvah is not recommended in patients with creatinine clearance (CrCL) less than 15 mL/min and patients on hemodialysis because the pharmacokinetics of sulopenem have not been studied in this population.

    • To report SUSPECTED ADVERSE REACTIONS, contact Iterum Therapeutics plc at 1-866-414-SULO or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

    About Iterum Therapeutics plc

    Iterum Therapeutics plc is focused on delivering differentiated anti-infectives aimed at combatting the global crisis of multi-drug resistant pathogens to significantly improve the lives of people affected by serious and life-threatening diseases around the world. Iterum is advancing the development of its first compound, sulopenem, a novel penem anti-infective compound, with an oral formulation and IV formulation. Sulopenem has demonstrated potent in vitro activity against a wide variety of gram-negative, gram-positive and anaerobic bacteria resistant to other antibiotics. Iterum has received approval of its NDA for Orlynvah (oral sulopenem) for the treatment of uncomplicated urinary tract infections caused by the designated microorganisms Escherichia coli, Klebsiella pneumoniae, or Proteus mirabilis in adult women with limited or no alternative oral antibacterial treatment options by the U.S. Food and Drug Administration and has received Qualified Infectious Disease Product (QIDP) and Fast Track designations for its oral and IV formulations of sulopenem in seven indications. For more information, please visit www.iterumtx.com.

    Cautionary Note Regarding Forward-looking Statements

    This press release contains forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995. These forward-looking statements include, without limitation, statements regarding Iterum’s plans, strategies and prospects for its business, including the development, therapeutic and market potential of Orlynvah and Iterum’s strategic process to sell, license, or otherwise dispose of its rights to Orlynvah. In some cases, forward-looking statements can be identified by words such as “may,” “believes,” “intends,” “seeks,” “anticipates,” “plans,” “estimates,” “expects,” “should,” “assumes,” “continues,” “could,” “would,” “will,” “future,” “potential” or the negative of these or similar terms and phrases. Forward-looking statements involve known and unknown risks, uncertainties and other factors that may cause Iterum’s actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements. Forward-looking statements include all matters that are not historical facts. Actual future results may be materially different from what is expected due to factors largely outside Iterum’s control, including risks and uncertainties concerning the outcome, impact, effects and results of Iterum’s evaluation of strategic alternatives, including the terms, timing, structure, value, benefits and costs of any strategic alternatives, Iterum’s ability to complete a strategic alternative transaction, the market opportunity for and the potential market acceptance of Orlynvah for uUTIs caused by certain designated microorganisms in adult women who have limited or no alternative oral antibacterial treatment options, uncertainties inherent in the conduct of clinical and non-clinical development, changes in regulatory requirements or decisions of regulatory authorities, the timing or likelihood of regulatory filings and approvals, changes in public policy or legislation, commercialization plans and timelines, the actions of third-party clinical research organizations, suppliers and manufacturers, the accuracy of Iterum’s expectations regarding how far into the future Iterum’s cash on hand will fund Iterum’s ongoing operations, Iterum’s ability to maintain its listing on the Nasdaq Capital Market and other factors discussed under the caption “Risk Factors” in its Quarterly Report on Form 10-Q filed with the SEC on August 14, 2024, and other documents filed with the SEC from time to time. Forward-looking statements represent Iterum’s beliefs and assumptions only as of the date of this press release. Except as required by law, Iterum assumes no obligation to update these forward-looking statements publicly, or to update the reasons actual results could differ materially from those anticipated in the forward-looking statements, even if new information becomes available in the future.

    Source: Iterum Therapeutics PLC

    Posted : 2024-10-26 06:00

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