THOUSAND OAKS, Calif., Nov. 2, 2023 /PRNewswire/ -- Amgen (NASDAQ:AMGN) today announced new data for KRYSTEXXA® (pegloticase) showing a decrease in blood pressure during treatment of adults living with chronic gout refractory to oral urate-lowering treatment − uncontrolled gout − both with and without chronic kidney disease (CKD). The data will be presented at the American Society of Nephrology Kidney Week, taking place Nov. 2-5, in Philadelphia.
"As we seek to address the overall burden of uncontrolled gout, especially in those with coexisting chronic kidney disease, it is critical to further understand the benefits of treatment," said Brad Marder, M.D., medical director, nephrology at Amgen. "Recognizing the high prevalence of hypertension among these patients, we're excited to present data that offers new insight into the potential role of urate reduction with KRYSTEXXA with methotrexate in regulating blood pressure."
In the MIRROR randomized controlled trial, 152 adults were randomized 2:1 to receive KRYSTEXXA with methotrexate (n=100) or KRYSTEXXA with placebo (n=52) for 52 weeks. Treatment groups had similar blood pressure prior to treatment. The decrease in systolic blood pressure during treatment was greater at Week 24 of treatment (-6±16 vs. -1±18 mmHg) and more sustained over the full 52-week treatment period in patients receiving KRYSTEXXA with methotrexate than in those receiving KRYSTEXXA with placebo. Compared to those with pre-treatment CKD (eGFR less than 60 ml/min/1.73 m2), patients without pre-treatment CKD had a more pronounced decrease in blood pressure after Week 24 of treatment, with differences persisting through Week 52 of treatment.
"Given the myriad of comorbidities uncontrolled gout patients live with, it is critical that clinicians understand the systemic connections and potential benefits of urate reduction," said Richard J. Johnson, M.D., professor, Division of Renal Diseases and Hypertension, University of Colorado Denver - Anschutz Medical Campus. "These new data add to prior studies and further support the potential role that both KRYSTEXXA urate-lowering and methotrexate administration played in the blood pressure changes observed."
Additional presentations include data from a validated microsimulation model used to project the potential health and economic benefits of effective serum urate reduction in those with both CKD and gout. In patients projected to have oral urate-lowering therapy inefficacy, treatment with KRYSTEXXA was projected to prevent 300,000 cases of uncontrolled gout by 2035 in this vulnerable CKD population.
About KRYSTEXXA® (pegloticase)
KRYSTEXXA® (pegloticase) is the first and only biologic approved by the FDA to treat adults living with uncontrolled gout, a painful and debilitating inflammatory condition with which people continue to have abnormally high levels of uric acid and symptoms despite the use of conventional therapies.
In 2022, the FDA approved expanded labeling to include co-administration with the immunomodulator methotrexate, based on results from the MIRROR randomized controlled trial, which showed significant improvements in efficacy and safety, including a reduction in infusion reactions.
About Uncontrolled Gout
Gout is a chronic, progressive inflammatory form of arthritis that is caused by high urate levels in the body. Tiny needle-like crystals can form and build up almost anywhere in the body. Patients with uncontrolled gout continue to have high levels of uric acid and ongoing symptoms of gout despite the use of oral urate-lowering therapies. Uncontrolled gout is a chronic, systemic disease, and if not addressed can have significant clinical consequences.
INDICATION
KRYSTEXXA® (pegloticase) is indicated for the treatment of chronic gout in adult patients who have failed to normalize serum uric acid and whose signs and symptoms are inadequately controlled with xanthine oxidase inhibitors at the maximum medically appropriate dose or for whom these drugs are contraindicated.
Limitations of Use: KRYSTEXXA is not recommended for the treatment of asymptomatic hyperuricemia.
IMPORTANT SAFETY INFORMATION
WARNING: ANAPHYLAXIS AND INFUSION REACTIONS, G6PD DEFICIENCY ASSOCIATED HEMOLYSIS AND METHEMOGLOBINEMIA
CONTRAINDICATIONS:
WARNINGS AND PRECAUTIONS
Gout Flares: An increase in gout flares is frequently observed upon initiation of anti-hyperuricemic therapy, including KRYSTEXXA. Gout flare prophylaxis with a non-steroidal anti-inflammatory drug (NSAID) or colchicine is recommended starting at least 1 week before initiation of KRYSTEXXA therapy and lasting at least 6 months, unless medically contraindicated or not tolerated.
Congestive Heart Failure: KRYSTEXXA has not been formally studied in patients with congestive heart failure, but some patients in the pre-marketing placebo-controlled clinical trials experienced exacerbation. Caution should be exercised in patients who have congestive heart failure and patients should be closely monitored following infusion.
ADVERSE REACTIONS
The most commonly reported adverse reactions (≥5%) are:
Please see Full Prescribing Information, including Boxed Warning.
About Amgen
Amgen is committed to unlocking the potential of biology for patients suffering from serious illnesses by discovering, developing, manufacturing and delivering innovative human therapeutics. This approach begins by using tools like advanced human genetics to unravel the complexities of disease and understand the fundamentals of human biology.
Amgen focuses on areas of high unmet medical need and leverages its expertise to strive for solutions that improve health outcomes and dramatically improve people's lives. A biotechnology pioneer since 1980, Amgen has grown to be one of the world's leading independent biotechnology companies, has reached millions of patients around the world and is developing a pipeline of medicines with breakaway potential.
Amgen is one of the 30 companies that comprise the Dow Jones Industrial Average and is also part of the Nasdaq-100 index. In 2023, Amgen was named one of "America's Greatest Workplaces" by Newsweek, one of "America's Climate Leaders" by USA Today and one of the "World's Best Companies" by TIME.
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Amgen Forward-Looking Statements
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CONTACT: Amgen, Thousand Oaks
Kate Meyer, 872-867-0754 (media)
Jessica Akopyan, 805-440-5721 (media)
Justin Claeys, 805-313-9775 (investors)
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