SHIONOGI

Shionogi & Co., Ltd. (Head Office: Osaka, Japan; Chief Executive Officer: Isao Teshirogi, Ph.D.; hereafter "Shionogi") announces key data for Fetcroja^® (cefiderocol), an innovative siderophore cephalosporin, to be presented at the 33^rd European Congress of Clinical Microbiology & Infectious Diseases (ECCMID), April 15-18, 2023, including new real-world evidence demonstrating its efficacy against some of the most difficult-to-treat Gram-negative bacterial infections.

In Europe, cefiderocol is commercially available under the brand name Fetcroja^® for the treatment of infections due to aerobic Gram-negative organisms in adults with limited treatment options.¹ In the US, cefiderocol is available under the brand name Fetroja^® and is indicated in patients 18 years of age or older for the treatment of hospital-acquired bacterial pneumonia, ventilator-associated bacterial pneumonia (HABP/VABP) and complicated urinary tract infections (cUTIs) caused by certain susceptible Gram-negative microorganisms.²

Interim results are emerging from PROVE (Retrospective Cefiderocol Chart Review), an ongoing international, retrospective study of the real-world use of cefiderocol for Gram-negative infections across EU and US sites.^3,4 The study includes 194 patients with Pseudomonas aeruginosa infections treated with cefiderocol (123 from the US and 71 from the EU). These were generally seriously ill patients, many requiring mechanical ventilation and/or vasopressor support. The interim results show that cefiderocol achieved clinical cure in 65% of these patients, and 81% of patients were alive within 30 days of starting cefiderocol treatment. The patients principally had respiratory tract and bloodstream infections. Cefiderocol was initiated for a documented pathogen in the majority of cases (77%) and as monotherapy in 57% of patients.

Also in the study were 98 patients with Acinetobacter baumannii infections (71 from US and 27 from the EU). The patients had respiratory infection and bacteraemia as the most common infections. High levels of organ support were required in these patients, with 45% receiving mechanical ventilation and 30% requiring vasopressor support. Cefiderocol achieved clinical cure in 60% of patients, and 76% of patients were alive within 30-days of starting treatment. Cefiderocol was targeted as first treatment or as salvage therapy in 93% of patients, and as monotherapy in 41% of patients.

“These interim results from PROVE build on a growing body of real-world evidence across Europe and the US demonstrating the efficacy of cefiderocol in treating patients with life-threatening infections, such as Acinetobacter baumannii and Pseudomonas aeruginosa, the majority of whom are very sick with multiple comorbidities,” commented Prof. Dr. Dominic Wichmann, Consultant in department of Intensive Care Medicine, University of Hamburg-Eppendorf. “These are pathogens that fall into the World Health Organization’s critical priority list, for which effective treatments are urgently needed.”

Antimicrobial resistance (AMR)
Antimicrobial resistance (AMR) is a major health burden which urgently needs to be addressed. Globally, in 2019, there were 1.27 million deaths attributable to bacterial AMR.⁵ Infections caused by carbapenem-resistant Gram-negative bacteria are often associated with a high mortality rate.⁶ If no action is taken, antimicrobial resistance is predicted to kill 10 million people every year by 2050, at a cumulative cost to global economic output of 100 trillion USD.⁷

About FETCROJA^® (Cefiderocol)
Cefiderocol is a siderophore cephalosporin antibiotic with an innovative mechanism for penetrating the outer cell membrane of Gram-negative pathogens by acting as a siderophore. In addition to entering cells by passive diffusion through porin channels, cefiderocol binds to ferric iron and is actively transported into bacterial cells through the outer membrane via the bacterial iron transporters, which function to incorporate this essential nutrient for bacteria.⁸ These mechanisms allow cefiderocol to achieve higher concentrations in the periplasmic space where it can bind to penicillin-binding proteins and inhibit cell wall synthesis in the bacterial cells.⁹ Cefiderocol has also demonstrated in vitro activity against certain bacteria that contain very problematic resistant enzymes such as ESBLs, AmpC, serine- and metallo-carbapenemases.^10,11 Data from multinational surveillance studies for cefiderocol demonstrated potent in vitro activity against a wide spectrum of Gram-negative pathogens including carbapenem-resistant A. baumannii, P. aeruginosa, Enterobacterales, and S. maltophilia.¹² The clinical significance of the in vitro data is unknown. Cefiderocol has no clinically relevant activity against Gram-positive or anaerobic bacteria.

FETCROJA^® (Cefiderocol) INDICATION
In Europe, cefiderocol is commercially available under the brand name Fetcroja^® for the treatment of infections due to aerobic Gram-negative organisms in adults with limited treatment options.

Shionogi’s commitment to fighting antimicrobial resistance
Shionogi has a strong heritage in the field of anti-infectives and has been developing antimicrobial therapies for more than 60 years. Shionogi is proud to be one of the few large pharmaceutical companies that continues to focus on research and development in anti-infectives. The company invests the highest proportion of its pharmaceutical revenues in relevant anti-infectives R&D compared to other large pharmaceutical companies.¹³

For more information, please refer to: https://www.shionogi.com/global/en/sustainability/amr.html

About Shionogi
Shionogi & Co., Ltd. is a 145-year-old global, research-driven pharmaceutical company headquartered in Osaka, Japan, that is dedicated to bringing benefits to patients based on its corporate philosophy of “supplying the best possible medicine to protect the health and wellbeing of the patients we serve.” The company currently markets products in several therapeutic areas including anti-infectives, pain, CNS disorders, cardiovascular diseases and gastroenterology. Shionogi’s research and development currently target two therapeutic areas: infectious diseases, and pain/CNS disorders.

For more information on Shionogi & Co., Ltd., please visit https://www.shionogi.com/global/en/

Forward-Looking Statements
This announcement contains forward-looking statements. These statements are based on expectations in light of the information currently available, assumptions that are subject to risks and uncertainties which could cause actual results to differ materially from these statements. Risks and uncertainties include general domestic and international economic conditions such as general industry and market conditions, and changes of interest rate and currency exchange rate. These risks and uncertainties particularly apply with respect to product-related forward-looking statements. Product risks and uncertainties include, but are not limited to, completion and discontinuation of clinical trials; obtaining regulatory approvals; claims and concerns about product safety and efficacy; technological advances; adverse outcome of important litigation; domestic and foreign healthcare reforms and changes of laws and regulations. Also for existing products, there are manufacturing and marketing risks, which include, but are not limited to, inability to build production capacity to meet demand, lack of availability of raw materials and entry of competitive products. The company disclaims any intention or obligation to update or revise any forward-looking statements whether as a result of new information, future events or otherwise.

© 2022 Shionogi Europe. All Rights Reserved.

References

¹ FETCROJA SMPC. Available at: https://www.ema.europa.eu/en/documents/product-information/fetcroja-epar-product-information_en.pdf
Last accessed April 2023
² Fetroja FDA prescribing information. Available at: https://www.accessdata.fda.gov/drugsatfda_docs/label/2020/209445s002lbl.pdf
Last accessed April 2023
³ Larcher R, et al. Real-world use of cefiderocol in the EU and US for Pseudomonas aeruginosa: interim data from the PROVE study. ECCMID abstract P2274
⁴ Timsit JF, et al. Real-world use of cefiderocol in the EU and US for Acinetobacter baumannii: interim data from the PROVE study. ECCMID abstract P2272
⁵ Antimicrobial Resistance Collaborators. Global burden of bacterial antimicrobial resistance in 2019: a systematic analysis. Lancet 2022; 399: 629–55
⁶ Perez F, et al. ‘Carbapenem-Resistant Enterobacteriaceae: A Menace to our Most Vulnerable Patients’. Cleve Clin J Med. Apr 2013; 80(4): 225–33
⁷ O’Neill. The Review on antimicrobial resistance. 2016. Available at: https://amrreview.org/sites/default/files/160518_Final%20paper_with%20cover.pdf
Last accessed March 2023
⁸ Ito A, Nishikawa T., Masumoto S, et al. Siderophore Cephalosporin Cefiderocol Utilizes Ferric Iron Transporter Systems for Antibacterial Activity against Pseudomonas aeruginosa. Antimicrob Agents Chemother. 2016;60(12):7396-7401
⁹ Tillotson GS. Trojan Horse Antibiotics—A Novel Way to Circumvent Gram-Negative Bacterial Resistance? Infectious Diseases: Research and Treatment. 2016;9:45-52 doi:10.4137/IDRT.S3156
¹⁰ K Kazmierczak et al. In vitro activity of cefiderocol, a siderophore cephalosporin, against a recent collection of clinically relevant carbapenem-non-susceptible Gram-negative bacilli, including serine carbapenemase- and metallo-β-lactamase-producing isolates (SIDERO-WT-2014 Study). ). International Journal of Antimicrobial Agents, 2019; 53(2) 177-184
¹¹ A Ito et al. In Vitro Antibacterial Properties of Cefiderocol, a Novel Siderophore Cephalosporin, against Gram-Negative Bacteria. Antimicrobial Agents and Chemotherapy, 2018, 62:e01454-17.
¹² M Hackel, M Tsuji, Y Yamano, et al. In Vitro Activity of the Siderophore Cephalosporin, Cefiderocol, Against a Recent Collection of Clinically Relevant Gram-Negative Bacilli from North America and Europe, Including Carbapenem Non-Susceptible Isolates: The SIDERO-WT-2014 Study. Antimicrobial Agents Chemotherapy. 2017;61(9)
¹³ Antimicrobial Resistance Benchmark 2021. https://accesstomedicinefoundation.org/medialibrary/resources/61ee760d03810_Antimicrobial%20Resistance%20Benchmark%20report%202021.pdf
Last accessed April 2023

NP-EU-FDC-0414
April 2023

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