UCB Presents New Five-Year Data on BIMZELX® (bimekizumab-bkzx) in Ankylosing Spondylitis at ACR Convergence 2023
<ul type="disc"><li>Long-term data on investigational bimekizumab in the treatment of adults with ankylosing spondylitis showed sustained improvements for up to five years with the safety profile consistent with previous observations</li></ul>
ATLANTA, Nov. 10, 2023 /PRNewswire/ -- UCB, a global biopharmaceutical company, today announced new long-term data from the BIMZELX® (bimekizumab) Phase 2b study BE AGILE and its open-label extension (OLE). Patients with ankylosing spondylitis (AS) treated with BIMZELX, an IL-17A and IL-17F inhibitor, showed sustained improvements in signs and symptoms, disease activity, physical function, and health-related quality of life for up to five years, with a consistent safety profile through five years of treatment.1 These data are being presented this week at the American College of Rheumatology (ACR) Convergence 2023 in San Diego, November 10–15.
"There is a need for additional treatment options for people living with ankylosing spondylitis since many people do not achieve long-term disease control. The five-year bimekizumab data in ankylosing spondylitis demonstrated sustained improvements across multiple domains of disease and a safety profile consistent with previous observations," said Emmanuel Caeymaex, Executive Vice President, Immunology Solutions and Head of U.S., UCB.
"This is the first report of ASAS40 five-year data in patients with ankylosing spondylitis to use a conservative non-responder imputation analysis. Using this method, the data showed that at least half of the patients treated with bimekizumab achieved sustained improvements through five years of treatment," said Professor Atul Deodhar, Professor of Medicine, Oregon Health & Science University, Division of Arthritis and Rheumatic Diseases, Portland, OR, U.S.
BIMZELX is not approved in the U.S. for the treatment of AS. In the U.S., the efficacy and safety of BIMZELX for the treatment of AS have not been established. In the U.S., BIMZELX is approved for the treatment of moderate-to-severe plaque psoriasis in adults who are candidates for systemic therapy or phototherapy.2
Highlights from the BE AGILE five-year data in AS
Of 255/303 (84.2 percent) patients who entered the OLE at Week 48, and received ≥1 BIMZELX dose, 202/255 (79.2 percent) completed to Week 256. Clinical improvements were sustained across the endpoints detailed below through Week 256 in patients receiving BIMZELX.1
ASAS40: At the OLE entry visit (Week 48), 51.7 percent of patients who started the dose-blind period (n=296) achieved ASAS40, a 40 percent improvement response according to Assessment of Spondyloarthritis international Society (ASAS) criteria and 49.7 percent of patients achieved ASAS40 at five years (Week 256; non-responder imputation).1 Of patients who entered the OLE at Week 48 (n=249), 59.8 percent achieved ASAS40 at Week 48 and 59.0 percent at five years (Week 256; non-responder imputation).1
Disease Activity: Mean reduction from baseline to Week 48 in Ankylosing Spondylitis Disease Activity Score (ASDAS, 3.9 to 2.1, respectively) in patients who entered the dose-blind period were sustained at five years (2.1, multiple imputation). At Week 48, 49.3 percent who started the dose-blind period (n=296) achieved low disease activity (LDA) status, as measured by ASDAS<2.1 and 41.6 percent of patients had ASDAS LDA at five years (Week 256; non-responder imputation).1 Of patients who entered the OLE at Week 48 (n=249), 57.3 percent achieved ASDAS LDA at Week 48 with 66.0 percent at five years (Week 256; multiple imputation).1
Mean reductions from baseline to Week 48 in the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI, 6.5 to 3.0, respectively) in patients who entered the dose-blind period were sustained or further decreased to 2.5 at five years (Week 256; multiple imputation).1 Responses for patients who entered the OLE were similar.1
Physical Function and Quality of Life: Improvements in physical function, measured by the Bath Ankylosing Spondylitis Functional Index (BASFI) and mean improvements in quality of life measured by the Ankylosing Spondylitis Quality of Life questionnaire (ASQoL) were sustained to Week 256.1
Over five years, exposure adjusted incidence rates (EAIRs) per 100 patient years were 134.6 for any treatment emergent adverse event (TEAE) and 5.2 for serious TEAEs. The EAIR of Candida infections over 256 weeks at 2.6 was lower than in weeks 0–48 (7.5). All Candida infections were mild or moderate, and none were systemic.1
Notes to editors:
About BE AGILE
The dose-ranging BE AGILE study consisted of a 12-week double-blind, placebo-controlled period, then a dose–blind period to Week 48 where patients received BIMZELX 160 mg or 320 mg every four weeks (Q4W).1 Patients completing Week 48 were eligible to enter the open-label extension (OLE) where all patients received BIMZELX 160 mg Q4W to Week 256.1
About Axial Spondyloarthritis (axSpA)
Axial spondyloarthritis (axSpA), which includes both non-radiographic axSpA (nr-axSpA) and ankylosing spondylitis (AS), is a chronic, immune-mediated, inflammatory disease.3 nr–axSpA is defined clinically by the absence of definitive X-ray evidence of structural damage to the sacroiliac joints.3 axSpA is a painful condition that primarily affects the spine and the joints linking the pelvis and lower spine (sacroiliac joints).3 The leading symptom of axSpA in a majority of patients is inflammatory back pain that improves with exercise, but not with rest.3 Other common clinical features frequently include anterior uveitis, enthesitis, peripheral arthritis, psoriasis, inflammatory bowel disease, and dactylitis.3 The overall prevalence of axSpA is 0.3 percent to 1.4 percent of adults.4,5 Approximately half of all patients with axSpA are patients with nr-axSpA.3 axSpA onset usually occurs before the age of 45.3 Approximately 10-40 percent of patients with nr-axSpA progress to ankylosing spondylitis over 2 to 10 years.3
About BIMZELX (bimekizumab-bkzx)
Bimekizumab is a humanized IgG1 monoclonal antibody that selectively binds to IL-17A, IL-17F, and IL-17AF cytokines, blocking their interaction with the IL-17RA/IL-17RC receptor complex.2 Elevated levels of IL-17A and IL-17F are found in lesional psoriatic skin.2
Please see Important Safety Information below and full U.S. Prescribing Information at UCB-USA.com/Innovation/Products/BIMZELX and http://www.BIMZELX.com.
BIMZELX U.S. IMPORTANT SAFETY INFORMATION2
Suicidal Ideation and Behavior
BIMZELX® (bimekizumab-bkzx) may increase the risk of suicidal ideation and behavior (SI/B). A causal association between treatment with BIMZELX and increased risk of SI/B has not been established. Prescribers should weigh the potential risks and benefits before using BIMZELX in patients with a history of severe depression or SI/B. Advise monitoring for the emergence or worsening of depression, suicidal ideation, or other mood changes. If such changes occur, advise to promptly seek medical attention, refer to a mental health professional as appropriate, and re-evaluate the risks and benefits of continuing treatment.
Infections
BIMZELX may increase the risk of infections. Do not initiate treatment with BIMZELX in patients with any clinically important active infection until the infection resolves or is adequately treated. In patients with a chronic infection or a history of recurrent infection, consider the risks and benefits prior to prescribing BIMZELX. Instruct patients to seek medical advice if signs or symptoms suggestive of clinically important infection occur. If a patient develops such an infection or is not responding to standard therapy, monitor the patient closely and do not administer BIMZELX until the infection resolves.
Tuberculosis
Evaluate patients for tuberculosis (TB) infection prior to initiating treatment with BIMZELX. Avoid the use of BIMZELX in patients with active TB infection. Initiate treatment of latent TB prior to administering BIMZELX. Consider anti-TB therapy prior to initiation of BIMZELX in patients with a past history of latent or active TB in whom an adequate course of treatment cannot be confirmed. Closely monitor patients for signs and symptoms of active TB during and after treatment.
Liver Biochemical Abnormalities
Elevated serum transaminases were reported in clinical trials with BIMZELX. Test liver enzymes, alkaline phosphatase and bilirubin at baseline, periodically during treatment with BIMZELX and according to routine patient management. If treatment-related increases in liver enzymes occur and drug-induced liver injury is suspected, interrupt BIMZELX until a diagnosis of liver injury is excluded. Permanently discontinue use of BIMZELX in patients with causally associated combined elevations of transaminases and bilirubin. Avoid use of BIMZELX in patients with acute liver disease or cirrhosis.
Inflammatory Bowel Disease
Cases of inflammatory bowel disease (IBD) have been reported in patients treated with IL-17 inhibitors, including BIMZELX. Avoid use of BIMZELX in patients with active IBD. During BIMZELX treatment, monitor patients for signs and symptoms of IBD and discontinue treatment if new onset or worsening of signs and symptoms occurs.
Immunizations
Prior to initiating therapy with BIMZELX, complete all age-appropriate vaccinations according to current immunization guidelines. Avoid the use of live vaccines in patients treated with BIMZELX.
Most Common Adverse Reactions
Most common adverse reactions (≥ 1%) are upper respiratory infections, oral candidiasis, headache, injection site reactions, tinea infections, gastroenteritis, Herpes Simplex Infections, acne, folliculitis, other Candida infections, and fatigue.
For further information, contact UCB:
Investor Relations
Antje Witte
T: +32.2.559.94.14
email antje.witte@ucb.com
U.S. Communications
Ally Funk
T: +1.678.369.6321
email ally.funk@ucb.com
About UCB
UCB, Brussels, Belgium (www.ucb.com) is a global biopharmaceutical company focused on the discovery and development of innovative medicines and solutions to transform the lives of people living with severe diseases of the immune system or of the central nervous system. With approximately 8,700 people in approximately 40 countries, the company generated revenue of €5.5 billion in 2022 UCB is listed on Euronext Brussels (symbol: UCB). Follow us on Twitter: @UCBUSA.
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References
1. Deodhar A, Navarro-Compán V, Poddubnyy D, et al. Long-Term Safety and Efficacy of Bimekizumab in Patients with Active Ankylosing Spondylitis: 5-Year Results from a Phase 2b Study and its Open-Label Extension. Abstract presented at ACR Convergence 2023, San Diego, U.S.
2. BIMZELX (bimekizumab) U.S. Prescribing Information https://www.ucb-usa.com/Innovation/Products/BIMZELX. Last accessed: November 2023.
3. Deodhar A. Understanding Axial Spondyloarthritis: A Primer for Managed Care. Am J Manag Care. 2019;25:S319–30.
4. Reveille J, Witter J, Weisman M. Prevalence of axial spondylarthritis in the United States: estimates from a cross-sectional survey. Arthritis Care Res. 2012;64(6):905–10.
5. Hamilton L, Macgregor A, Toms A, et al. The prevalence of axial spondyloarthritis in the UK: a cross-sectional cohort study. BMC Musculoskelet Disord. 2015;16:392.
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