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PHILADELPHIA, PA, USA I March 25, 2025 I GSK plc (LSE/NYSE: GSK) today announced that the US Food and Drug Administration (FDA) has approved Blujepa (gepotidacin) for the treatment of female adults (≥40 kg) and pediatric patients (≥12 years, ≥40 kg) with uncomplicated urinary tract infections (uUTIs) caused by the following susceptible microorganisms: Escherichia coli , Klebsiella pneumoniae , Citrobacter freundii complex, Staphylococcus saprophyticus and Enterococcus faecalis . Discovered by GSK scientists, Blujepa is a first-in-class oral antibiotic with a novel mechanism of action that is part of GSK’s infectious diseases portfolio. Tony Wood, Chief Scientific Officer, GSK, said : “The approval of Blujepa is a crucial milestone with uUTIs among the most common infections in women. We are proud to have developed Blujepa , the first in a new class of oral antibiotics for uUTIs in nearly three decades, and to bring another option to patients given recurrent infections and rising rates of resistance to existing treatments.” uUTIs are the most common infection in women, impacting up to 16 million women in the US annually. 1-4 Over half of all women are affected by uUTI in their lifetime, 5 with approximately 30% suffering from at least one recurrent episode which can cause significant patient burden, including discomfort and restriction of daily activities. 6 New treatments are needed as the number of uUTIs caused by drug-resistant bacteria is increasing which can result in higher treatment failure rates. 7 Thomas Hooton, MD, Professor of Clinical Medicine, University of Miami School of Medicine said: “For many, uUTIs can be a burden that severely impacts daily life. With an increasing number of patients experiencing recurrent infections, there remains a clear need for continued research of antimicrobials to help address ongoing patient challenges and the strain on healthcare systems.” The approval is based on positive results from the pivotal phase III EAGLE-2 and EAGLE-3 trials which demonstrated non-inferiority to nitrofurantoin, one of the leading current standard of care options for uUTI, in female adults (≥40 kg) and pediatric patients (≥12 years, ≥40 kg) with a confirmed uUTI. In EAGLE-2, Blujepa demonstrated non-inferiority in therapeutic success which occurred in 50.6% (162/320) of participants compared to 47.0% (135/287) for nitrofurantoin (covariate-adjusted treatment difference 4.3%, 95% CI (-3.6, 12.1)). In EAGLE-3, Blujepa demonstrated statistically significant superiority versus nitrofurantoin (one-sided p-value 0.0003). Therapeutic success occurred in 58.5% (162/277) of participants compared to 43.6% (115/264) for nitrofurantoin (covariate-adjusted treatment difference 14.6%, 95% CI (6.4, 22.8)). The safety and tolerability profile of Blujepa in the EAGLE-2 and EAGLE-3 phase III trials was consistent with previous trials. The most commonly reported adverse events (AEs) in Blujepa participants were gastrointestinal (GI). Diarrhea was the most common (16% of participants), followed by nausea (9%). Of the participants who reported GI AEs in the Blujepa group, the most common maximum severity was mild (69% Grade 1) and moderate (28% Grade 2). Participants with Grade 3 GI events accounted for 3% of all patients with GI events and occurred in <1% of all participants. There was one drug-related serious adverse event in each treatment arm ( Blujepa and nitrofurantoin) across the two trials. US commercial launch is planned in 2H 2025. The development of Blujepa (gepotidacin) has been funded in part with federal funds from the US Department of Health and Human Services, Administration for Strategic Preparedness and Response, Biomedical Advanced Research and Development Authority (BARDA), under Other Transaction Agreement number HHSO100201300011C and with federal funds awarded by the Defense Threat Reduction Agency under agreement number HDTRA1-07-9-0002. About Blujepa (gepotidacin) Blujepa , discovered by GSK scientists, is a bactericidal, first-in-class triazaacenaphthylene antibiotic that inhibits bacterial DNA replication by a distinct binding site, a novel mechanism of action and for most pathogens, provides well-balanced inhibition of two different Type II topoisomerase enzymes. This provides activity against most target uropathogens (such as Escherichia coli and Staphylococcus saprophyticus ), and Neisseria gonorrhoeae , including isolates resistant to current antibiotics. Due to the well-balanced inhibition for most pathogens, Blujepa target-specific mutations in both enzymes are needed to significantly affect susceptibility to Blujepa . Therefore, a lower potential for resistance development is expected. Efficacy and safety in patients have been demonstrated in uUTI and gonorrhea phase III clinical trials, including in patients with drug-resistant pathogens. Please see full Prescribing Information including Medication Guide, available here . About the EAGLE (Efficacy of Antibacterial Gepotidacin Evaluated) phase III program The global phase III clinical program for Blujepa (gepotidacin) in adults and pediatric patients consists of three trials: EAGLE-2 and EAGLE-3 (non-inferiority uUTI trials) compared the efficacy and safety of Blujepa (1,500mg administered orally twice daily for five days) to nitrofurantoin (100mg administered orally twice daily for five days) with 1531 and 1605 female adults and pediatric patients with uUTIs, respectively. Across both trials, the planned duration of follow-up for participants was approximately 28 days, and the primary endpoint, a stringent composite measure of efficacy, was the combined clinical and microbiological response at the Test-of-Cure (ToC) visit (days 10-13) in patients with qualifying uropathogens susceptible to nitrofurantoin. EAGLE-1 (non-inferiority uncomplicated urogenital gonorrhea trial) compared the efficacy and safety of Blujepa to ceftriaxone plus azithromycin in 628 patients with uncomplicated urogenital gonorrhea caused by N. gonorrhoeae . GSK in infectious diseases GSK has pioneered innovation in infectious diseases for over 70 years, and the Company’s pipeline of medicines and vaccines is one of the largest and most diverse in the industry, with a goal of developing preventive and therapeutic treatments for multiple disease areas or diseases with high unmet needs globally. Our expertise and capabilities in infectious disease strongly position us to help prevent disease and mitigate the challenge of antimicrobial resistance (AMR). In antimicrobials, in addition to gepotidacin, GSK entered into an exclusive license agreement with Spero Therapeutics, Inc. in September 2022 to add tebipenem HBr, a late-stage antibiotic and potential treatment for complicated urinary tract infections (cUTIs), to the pipeline and are currently enrolling for PIVOT-PO, a phase III trial. In March 2023, GSK announced an exclusive license agreement with Scynexis for Brexafemme (ibrexafungerp tablets), a first-in-class antifungal for the treatment of vulvovaginal candidiasis (VVC) and reduction in the incidence of recurrent VVC. BLUJEPA (gepotidacin) tablets, for oral use Indication(s) and Important Safety Information (ISI) INDICATION BLUJEPA is indicated for the treatment of female adult and pediatric patients 12 years of age and older weighing at least 40 kilograms (kg) with uncomplicated urinary tract infections (uUTI) caused by the following susceptible microorganisms: Escherichia coli , Klebsiella pneumoniae , Citrobacter freundii complex, Staphylococcus saprophyticus , and Enterococcus faecalis . Usage to Reduce Development of Drug-Resistant Bacteria To reduce the development of drug-resistant bacteria and maintain the effectiveness of BLUJEPA and other antibacterial drugs, BLUJEPA should be used only to treat infections that are proven or strongly suspected to be caused by bacteria. About GSK GSK is a global biopharma company with a purpose to unite science, technology, and talent to get ahead of disease together. Find out more at gsk.com . References 1 Advani SD, et al. Poster presented at: ISPOR 2024; May 5-8, 2024. Presentation EPH17. 2 Foxman B, et al. Urinary tract infection: self-reported incidence and associated costs. Ann Epidemiol . 2000;10(8):509-15. 3 Foxman B. Urinary Tract Infection Syndromes: Occurrence, Recurrence, Bacteriology, Risk Factors, and Disease Burden. Infect Dis Clin North Am . 2014 28(1):1-13. 4 United States Census Bureau. Age and Sex Composition: 2020. [Available from: https://www2.census.gov/library/publications/decennial/2020/census-briefs/c2020br-06.pdf Last accessed March 2025]. 5 Czajkowski, K, et al. Urinary tract infection in women. Prz Menopauzalny . 2021;20(1):40-7. 6 Little P, et al. Presentation, pattern, and natural course of severe symptoms, and role of antibiotics and antibiotic resistance among patients presenting with suspected uncomplicated urinary tract infection in primary care: observational study. BMJ . 2010;340:b5633. 7 Kaye KS, et al. Antimicrobial resistance trends in urine Escherichia coli isolates from adult and adolescent females in the United States from 2011 to 2019: rising ESBL strains and impact on patient management. Clin Infect Dis 2021;73:1992–1999. SOURCE: GlaxoSmithKline

A GSK pill that offers a lower potential for drug resistance is now FDA approved as a new treatment for a common type of urinary tract infection, the first new oral antibiotic for this indication in decades. The regulatory decision announced Tuesday covers the treatment of female adults and pediatric patients age 12 and older who have uncomplicated urinary tract infections, or uUTIs. The drug, known in development as gepotidacin, will be marketed under the brand name Blujepa. GSK said it plans to launch the new product in the second half of this year. Uncomplicated UTIs are infections of the bladder or urethra that develop in people who are otherwise healthy and don’t have underlying conditions. By contrast, complicated UTI is a broad term that could include those who are pregnant, immunocompromised, or have a medical condition that could lead to patients requiring more extensive treatment for the infection. presented by Sponsored Post How to Improve Employee Benefits While Reducing Insurance Costs Balancing healthcare benefits and insurance costs requires research. From becoming a Difference Card member to offering wellness resources, there are many ways to improve healthcare at low cost. By The Difference Card An estimated 16 million women in the U.S. develop uUTIs annually. While antibiotics are available to treat this common infection, resistance that pathogens can develop to these drugs can result in higher treatment failure rates. Blujepa, which was discovered in the labs of GSK, offers a way to address drug resistance. The drug is a small molecule designed to block two enzymes key to bacterial DNA replication. GSK said this mechanism of action is intended to provide activity against most pathogens associated with urinary tract infections, and it should also lower the potential for drug resistance. Dosing of Blujepa is two pills taken twice daily for five days. FDA approval of Blujepa is based on the results of two Phase 3 studies that showed the therapeutic benefit from the GSK drug was not inferior to treatment with nitrofurantoin, an old antibiotic that is a standard drug therapy for uUTIs. The most common adverse events reported in the studies were gastrointestinal and included diarrhea and nausea. “The approval of Blujepa is a crucial milestone with uUTIs among the most common infections in women,” GSK Chief Scientific Officer Tony Wood said in a prepared statement. “We are proud to have developed Blujepa, the first in a new class of oral antibiotics for uUTIs in nearly three decades, and to bring another option to patients given recurrent infections and rising rates of resistance to existing treatments.” FDA approval of Blujepa covers five bacterial pathogens associated with UTIs. The drug also has potential in other indications. Last year, GSK reported this pill met the goals of a Phase 3 test in uncomplicated gonorrhea. Blujepa’s development was partially supported by funds from the U.S. Department of Health and Human Services among other U.S. federal funding sources. presented by Health Tech The 5 Best Software to Buy for Managing a Spa Franchise Choosing the right software translates directly into better client management, operational efficiency and growth for your spa franchise. Discover which tool is best for your business. By Meevo The GSK antimicrobials pipeline includes tebipenem, a drug licensed from Spero Therapeutics now in late-stage clinical development for complicated UTIs. In 2023, GSK licensed rights to the Syncexis antifungal drug Brexafemme, which is approved for treating vaginal yeast infections. This deal also gave GSK the right to develop Brexafemme for other indications. Photo by GSK