UCB (EBR:UCB) UCB Media Room: Japan approval of RYSTIGGO® (rozanolixizumab) and ZILBRYSQ® (zilucoplan) for the treatment of adult patients with generalized myasthenia gravis

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25/09/2023 18:00
https://mb.cision.com/Public/18595/3841624/aabfbc07c8c57524_800x800ar.png ** UCB announces approval of RYSTIGGO^=C2=AE (rozanolixizumab) and ZILBRYSQ= ^=C2=AE (zilucoplan) for the treatment of adult patients with generalized m= yasthenia gravis in Japan ------------------------------------------------------------ =C2=B7 Japanese Ministry of Health, Labour and Welfare (MHLW) approves two = UCB treatments, RYSTIGGO^=C2=AE (rozanolixizumab) and ZILBRYSQ^=C2=AE (zilu= coplan), for the treatment of generalized myasthenia gravis (gMG) in adult = patients (only for patients who inadequately respond to steroids or other i= mmunosuppressants).^1,2=C2=A0 =C2=B7 Approvals are based on pivotal phase 3 data for both medicines, show= ing statistical and clinically relevant improvements in gMG-specific outcom= es^3,4=C2=A0 =C2=B7 Zilucoplan is the first once-daily subcutaneous, targeted C5 complem= ent inhibitor for gMG. It is the only gMG-targeted therapy to be self-admin= istered by adult patients=C2=A0 =C2=B7 Rozanolixizumab is a humanized IgG4 monoclonal antibody that binds t= o the neonatal Fc receptor (FcRn), indicated for the treatment of adult pat= ients with gMG =C2=B7 With zilucoplan and rozanolixizumab, the Japanese gMG community is f= irst in the world to benefit from choice of two new targeted therapies from= a single company =C2=B7 UCB=E2=80=99s two different medicines for gMG, each with a distinct = mechanism of action, offer a unique portfolio of treatments that embody our= commitment to addressing the gMG community=E2=80=99s unmet needs=C2=A0 Brussels (Belgium), 25 September 2023, 1800: (CET)=C2=A0- UCB (Euronext Bru= ssels: UCB), a global biopharmaceutical company, today announced that the J= apanese Ministry of Health, Labour and Welfare (MHLW) has granted approval = for RYSTIGGO^=C2=AE (rozanolixizumab)^1 and for ZILBRYSQ^=C2=AE (zilucoplan= )^2, for the treatment of generalized myasthenia gravis (gMG) in adult pati= ents (only for patients who inadequately respond to steroids or other immun= osuppressants). Japan is the first country in the world to approve both rozanolixizumab and= zilucoplan simultaneously. This means Japanese physicians and their patien= ts will be the first to have choice of two new targeted therapies to treat = gMG from one company, delivering unique optionality and versatility.=C2=A0 Combined with UCB=E2=80=99s highly regarded team of Japanese medical and sc= ientific experts, and the company=E2=80=99s long-established heritage in ne= urology, UCB has an opportunity to deliver individualized and transformatio= nal patient value for adult patients in Japan living with gMG. =E2=80=9CWith the approval in Japan of zilucoplan and rozanolixizumab, we a= re very proud and excited to expand our support to the gMG community and to= offer new and additional choices allowing treatment to be tailored accordi= ng to patient needs.=E2=80=99 said Iris Loew-Friedrich, Executive Vice-Pres= ident and Chief Medical Officer at UCB. =E2=80=9CI am confident that UCB wi= ll be the only company able to deliver a portfolio of two targeted therapie= s with different mechanisms of action and the experience to provide truly i= ndividualized transformational patient value in managing this often-debilit= ating rare disease, both at home and in the healthcare setting.=E2=80=9D=C2= =A0 Today=E2=80=99s announcement marks the first approval worldwide of zilucopl= an, the first once-daily subcutaneous (SC), targeted peptide inhibitor of c= omplement component 5 (C5 inhibitor) and the only gMG target therapy for se= lf-administration by adult patients with AChR antibody-positive gMG.^4 =C2= =A0In September 2023, the Committee for Medicinal Products for Human Use (C= HMP) of the European Medicines Agency (EMA) issued a positive opinion recom= mending granting marketing authorization for zilucoplan in the European Uni= on (EU) as an add-on to standard therapy for the treatment of generalized m= yasthenia gravis (gMG) in adult patients who are anti acetylcholine recepto= r (AChR) antibody positive.^5 A final decision on approval in the EU is exp= ected before the end of the year, in line with the EMA=E2=80=99s standard r= eview timeline.=C2=A0 As a C5 inhibitor, zilucoplan inhibits complement-mediated damage to the ne= uromuscular junction through its targeted dual mechanism of action.4 Benefi= ts of SC self-injection can include reduced traveling time to and from hosp= itals, decreased interference with work obligations, and increased independ= ence. Unlike monoclonal antibody C5 inhibitors, as a peptide, zilucoplan ca= n be used concomitantly with intravenous immunoglobulin and plasma exchange= , without the need for supplemental dosing.4 The Japanese MHLW approval of rozanolixizumab, for treatment of adults with= generalized Myasthenia Gravis (only for patients who inadequately respond = to steroids or other immunosuppressants)^1 is the second approval worldwide= for this medicine, following approval by the U.S. Food and Drug Administra= tion (FDA) in June 2023 for the treatment of gMG in adult patients who are = anti-acetylcholine receptor (AChR) or anti-muscle-specific tyrosine kinase = (MuSK) antibody positive.^6 Rozanolixizumab injection by subcutaneous infus= ion is a humanized IgG4 monoclonal antibody that binds to the neonatal Fc r= eceptor (FcRn), resulting in the reduction of circulating IgG.^7=C2=A0 "With the approval of these two new medicines, we are very happy to take an= additional step forward in contributing to gMG community - a new area for = UCB in Japan=E2=80=9D, explained Kanako Kikuchi, Head of Neurology and Coun= try Operations, UCB Japan. =E2=80=9CDeveloping and providing solutions for = rare diseases, for which treatment options are often limited, is a very imp= ortant commitment for our UCB team in Japan. Zilucoplan and rozanolixizumab= are an important addition to our portfolio. By providing these two medicin= es, each with their own mechanism of action, =C2=A0and way of administratio= n, we are excited to support patients and physicians as they strive to mana= ge the symptoms of gMG and to improve quality of life.=E2=80=9D Zilucoplan: Supporting data Approval of zilucoplan in Japan for the treatment of generalized myasthenia= gravis (gMG) in adult patients (only for patients who inadequately respond= to steroids or other immunosuppressants) is supported by safety and effica= cy data from the Phase 3 RAISE study (NCT04115293), published in The Lancet= Neurology in May 2023.^4=C2=A0 The primary endpoint for the RAISE study was change from baseline to Week 1= 2 in the Myasthenia Gravis-Activities of Daily Living (MG-ADL) score.^4 MG-= ADL is a measurement tool that assesses the impact of gMG on daily function= s of 8 signs or symptoms that are typically affected in gMG. These include = activities such as breathing, talking, swallowing, and being able to rise f= rom a chair.^3 Each item is assessed on a 4-point scale where a score of 0 = represents normal function and a score of 3 represents loss of ability to p= erform that function. A total score ranges from 0 to 24, with the higher sc= ores indicating more impairment. A statistically significant and clinically meaningful difference favoring z= ilucoplan in comparison to placebo was observed in the MG-ADL total score c= hange from baseline: least squares mean change =E2=88=924.39 [95% CI =E2=80= =935.28 to =E2=80=933.50] vs =E2=88=922.30 [=E2=80=933.17 to =E2=80=931.43]= , least squares mean difference =E2=88=922.09 [=E2=88=923.24 to =E2=88=920.= 95]; p=3D0.0004. Secondary endpoints included change from baseline to Week = 12 in QMG, MGC and MG-QoL15r*.^4=C2=A0 A statistically significant and clinically meaningful difference favoring z= ilucoplan compared to placebo was observed in the QMG total score change fr= om baseline to Week 12 (p<0.0001), least squares mean change =E2=88=926.19 = [95% CI =E2=88=927.29 to =E2=88=925.08] vs =E2=88=923.25 [=E2=88=924.32 to = =E2=88=922.17].4=C2=A0 Change from baseline to Week 12 in MGC in comparison to placebo was clinica= lly meaningful and statistically significant. MG-QoL 15r change from baseli= ne to Week 12 compared to placebo was also statistically significant*.4=C2= =A0 Additionally, improvements in fatigue were observed as an exploratory endpo= int. Change from baseline to week 12 in the Neuro-QoL short-form fatigue sc= ale was an exploratory end point, therefore, p value was nominal, not multi= plicity controlled.^4 The most common adverse events (reported in at least 10% of patients treate= d with zilucoplan within the RAISE study) were injection-site bruising, hea= dache, diarrhea and MG worsening.^4 *The threshold for clinical meaningfulness for MG-QoL 15r has not been esta= blished. Rozanolixizumab: Supporting data Approval of rozanolixizumab in Japan for the treatment of generalized myast= henia gravis (gMG) in adult patients (only for patients who inadequately re= spond to steroids or other immunosuppressants) is supported by safety and e= fficacy data from the pivotal Phase 3 MycarinG study (NCT03971422), also pu= blished in The Lancet Neurology in May 2023.^3=C2=A0 The primary efficacy endpoint was the comparison of the change from baselin= e between treatment groups in the MG-ADL total score at Day 43.^3=C2=A0 Reductions in MG-ADL score from baseline to day 43 were greater in the roza= nolixizumab 7 mg/kg group (least-squares mean change =E2=80=933.37 [SE 0=C2= =B749]) and in the rozanolixizumab 10 mg/kg group (=E2=80=933.40 [0.49]) th= an with placebo (=E2=80=930.78 [0.49]; for 7 mg/kg, least-squares mean diff= erence =E2=88=922.59 [95% CI =E2=88=924.09 to =E2=88=921.25], p<0.0001; for= 10 mg/kg, =E2=88=922.62 [=E2=88=923.99 to =E2=88=921.16], p<0.0001).^3 Secondary efficacy endpoints included change from baseline to day 43 in the= QMG. The QMG is a 13-item categorical grading system that assesses muscle = weakness. Each item is assessed on a 4-point scale where a score of 0 repre= sents no weakness and a score of 3 represents severe weakness. A total poss= ible score ranges from 0 to 39, where higher scores indicate more severe im= pairment. A statistically significant difference favoring rozanolixizumab c= ompared to placebo was observed in the QMG total score change from baseline= to day 43 [least squares mean difference -3.48 (95% CI (=E2=88=925.61 to = =E2=88=921.58), p<0.0001 for rozanolixizumab 7mg/kg; least-squares mean dif= ference =E2=88=924.76 (95% CI =E2=88=926.82 to =E2=88=922.86), p<0.0001 for= rozanolixizumab 10mg/kg.^3 The most common adverse reactions (reported in at least 10% of patients tre= ated with rozanolixizumab within the MycarinG study) were headache, infecti= ons, diarrhea, pyrexia, hypersensitivity reactions, and nausea.^3=C2=A0 About generalized Myasthenia Gravis (gMG) gMG is a rare autoimmune disease with a global prevalence of 100=E2=80=9335= 0 cases per every 1 million people.^8 People living with gMG can experience= a variety of symptoms, including severe muscular weakness that can result = in double vision, drooping eyelids, difficulty with swallowing, chewing and= talking, as well as life-threatening weakness of the muscles of respiratio= n.^9,10 In gMG, pathogenic autoantibodies can impair synaptic transmission at the n= euromuscular junction (NMJ) by targeting specific proteins on the post-syna= ptic membrane.^11 This disrupts the ability of the nerves to stimulate the = skeletal muscle and results in a weaker contraction. gMG can occur in any r= ace, gender or age.^9,10 About the MycarinG study3 The MycarinG study (NCT03971422) was a multi-center, Phase 3, randomized, d= ouble-blind, placebo-controlled study evaluating the efficacy and safety of= rozanolixizumab in adult patients with gMG, with an ongoing open-label ext= ension. The primary endpoint for the MycarinG study was change in the Myasthenia Gr= avis-Activities of Daily Living (MG-ADL) score at day 43, an eight-item pat= ient-reported scale developed to assess MG symptoms and their effects on da= ily activities. Additional endpoints include changes in the Myasthenia Grav= is composite (MGC) score, the Quantitative MG (QMG) score, patient-reported= outcomes at Day 43 and adverse events (AEs).=C2=A0 The majority of patients taking part in the MycarinG study opted to enroll = in any future extensions to this clinical trial. As a result, UCB is explor= ing the potential for further extension studies into this treatment. For more information about the trial, visit https://clinicaltrials.gov/ct2/= show/NCT03971422.=C2=A0 About the RAISE study^4 The RAISE study (NCT04115293) was a multi-center, Phase 3, randomized, doub= le-blind, placebo-controlled study to confirm the efficacy, safety profile,= and tolerability of zilucoplan in adult patients with anti-acetylcholine r= eceptor (AChR) antibody-positive gMG. Patients were randomized in a 1:1 rat= io to receive daily subcutaneous (SC) injections of 0.3 mg/kg zilucoplan or= placebo for 12 Weeks. The primary endpoint for the RAISE study was change from baseline to Week 1= 2 in the Myasthenia Gravis-Activities of Daily Living (MG-ADL) score.=C2=A0 Secondary endpoints included change from baseline in the Quantitative Myast= henia Gravis (QMG) score, the Myasthenia Gravis Composite (MGC) and the Mya= sthenia Gravis Quality of Life 15 revised (MG-QoL15r) score from baseline t= o Week 12, time to first rescue therapy, the proportion of patients with mi= nimal symptom expression (MSE) (defined as MG-ADL of 0 or 1 without rescue = therapy), the proportion with a =E2=89=A53-point reduction in MG-ADL withou= t rescue therapy and the proportion with a =E2=89=A55-point reduction in QM= G without rescue therapy, all measured at Week 12. Safety was assessed by t= he incidence of treatment emergent adverse events (TEAEs). Patients who com= pleted the RAISE trial had the possibility to enter the open-label extensio= n study, RAISE-XT (NCT04225871).^4=C2=A0 For more information about the trial visit https://clinicaltrials.gov/ct2/s= how/NCT04115293.=C2=A0 About rozanolixizumab Rozanolixizumab is a subcutaneous administered, humanized monoclonal antibo= dy that specifically binds, with high affinity, to human neonatal Fc recept= or (FcRn). It has been designed to block the interaction of FcRn and Immuno= globulin G (IgG), accelerating the catabolism of antibodies and reducing th= e concentration of pathogenic IgG autoantibodies.^7 Rozanolixizumab-noli** was approved by the FDA in June, for the treatment o= f gMG in adult patients who are anti-acetylcholine receptor (AChR) or anti-= muscle-specific tyrosine kinase (MuSK) antibody positive,^12 having been gr= anted Priority Review for its Biologic License Application (BLA). Rozanolix= izumab is also under review by the European Medicines Agency (EMA), the Aus= tralian Therapeutic Goods Administration (TGA) and Health Canada for the tr= eatment of adults with gMG. Responses from regulatory agencies to these sub= missions are expected during H2 2023 and H1 2024.=C2=A0 ***In the U.S., the International Nonproprietary Name (INN) for rozanolixiz= umab is =E2=80=98rozanolixizumab-noli=E2=80=99 following the FDA=E2=80=99s = =E2=80=98Non-proprietary Naming of Biological Products Guidance=E2=80=99. T= his guidance advises that the nonproprietary name designated for originator= biological products should be a proper name that is a combination of the c= ore name and a distinguishing suffix that is devoid of meaning and composed= of four lowercase letters. This nomenclature only applies in the U.S. About zilucoplan Zilucoplan is a once-daily SC, self-administered peptide inhibitor of compl= ement component 5 (C5 inhibitor). As a C5 inhibitor, zilucoplan inhibits co= mplement-mediated damage to the neuromuscular junction through its targeted= dual mechanism of action.^4=C2=A0 In September 2023, the Committee for Medicinal Products for Human Use (CHMP= ) of the European Medicines Agency (EMA) issued a positive opinion recommen= ding granting marketing authorization for zilucoplan in the European Union = (EU) as an add-on to standard therapy for the treatment of generalized myas= thenia gravis (gMG) in adult patients who are anti acetylcholine receptor (= AChR) antibody positive.^5 Zilucoplan is also currently under review by the= U.S. FDA, the Australian Therapeutic Goods Administration (TGA) and Health= Canada for the treatment of adults with gMG. Responses from regulatory age= ncies to these submissions are expected during H2 2023 and H1 2024.=C2=A0 For further information, contact UCB:=C2=A0 Global Rare Disease Communications Jim Baxter T+32.2.473.78.85.01=C2=A0 jim.baxter@ucb.com =C2=A0 UCB Rare Disease Communications (Japan) T +81.03.6864.7650 Corporate Communications, Media Relations Laurent Schots=C2=A0 T+32.2.559.92.64 =C2=A0 Laurent.schots@ucb.com =C2=A0 Investor Relations Antje Witte =C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0 T +32.2.559.94.14=C2=A0 antje.witte@ucb.com About UCB=C2=A0 UCB, Brussels, Belgium (www.ucb.com) is a global biopharmaceutical company = focused on the discovery and development of innovative medicines and soluti= ons to transform the lives of people living with severe diseases of the imm= une system or of the central nervous system. With approximately 8,600 peopl= e in approximately 40 countries, the company generated revenue of =E2=82=AC= 5.5 billion in 2022. UCB is listed on Euronext Brussels (symbol: UCB). Foll= ow us on Twitter: @UCB_news. Forward looking statements=C2=A0 This press release may contain forward-looking statements including, withou= t limitation, statements containing the words =E2=80=9Cbelieves=E2=80=9D, = =E2=80=9Canticipates=E2=80=9D, =E2=80=9Cexpects=E2=80=9D, =E2=80=9Cintends= =E2=80=9D, =E2=80=9Cplans=E2=80=9D, =E2=80=9Cseeks=E2=80=9D, =E2=80=9Cestim= ates=E2=80=9D, =E2=80=9Cmay=E2=80=9D, =E2=80=9Cwill=E2=80=9D, =E2=80=9Ccont= inue=E2=80=9D and similar expressions. These forward-looking statements are= based on current plans, estimates and beliefs of management. 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Important factors that could result in such differences include: the gl= obal spread and impact of COVID-19, changes in general economic, business a= nd competitive conditions, the inability to obtain necessary regulatory app= rovals or to obtain them on acceptable terms or within expected timing, cos= ts associated with research and development, changes in the prospects for p= roducts in the pipeline or under development by UCB, effects of future judi= cial decisions or governmental investigations, safety, quality, data integr= ity or manufacturing issues; potential or actual data security and data pri= vacy breaches, or disruptions of our information technology systems, produc= t liability claims, challenges to patent protection for products or product= candidates, competition from other products including biosimilars, changes= in laws or regulations, exchange rate fluctuations, changes or uncertainti= es in tax laws or the administration of such laws, and hiring and retention= of its employees. There is no guarantee that new product candidates will b= e discovered or identified in the pipeline, will progress to product approv= al or that new indications for existing products will be developed and appr= oved. Movement from concept to commercial product is uncertain; preclinical= results do not guarantee safety and efficacy of product candidates in huma= ns. So far, the complexity of the human body cannot be reproduced in comput= er models, cell culture systems or animal models. The length of the timing = to complete clinical trials and to get regulatory approval for product mark= eting has varied in the past and UCB expects similar unpredictability going= forward. Products or potential products, which are the subject of partners= hips, joint ventures or licensing collaborations may be subject to differen= ces disputes between the partners or may prove to be not as safe, effective= or commercially successful as UCB may have believed at the start of such p= artnership. UCB=E2=80=99s efforts to acquire other products or companies an= d to integrate the operations of such acquired companies may not be as succ= essful as UCB may have believed at the moment of acquisition. Also, UCB or = others could discover safety, side effects or manufacturing problems with i= ts products and/or devices after they are marketed. The discovery of signif= icant problems with a product similar to one of UCB=E2=80=99s products that= implicate an entire class of products may have a material adverse effect o= n sales of the entire class of affected products. Moreover, sales may be im= pacted by international and domestic trends toward managed care and health = care cost containment, including pricing pressure, political and public scr= utiny, customer and prescriber patterns or practices, and the reimbursement= policies imposed by third-party payers as well as legislation affecting bi= opharmaceutical pricing and reimbursement activities and outcomes. Finally,= a breakdown, cyberattack or information security breach could compromise t= he confidentiality, integrity and availability of UCB=E2=80=99s data and sy= stems.=C2=A0 Given these uncertainties, you should not place undue reliance on any of su= ch forward-looking statements. There can be no guarantee that the investiga= tional or approved products described in this press release will be submitt= ed or approved for sale or for any additional indications or labelling in a= ny market, or at any particular time, nor can there be any guarantee that s= uch products will be or will continue to be commercially successful in the = future. UCB is providing this information, including forward-looking statements, on= ly as of the date of this press release and it does not reflect any potenti= al impact from the evolving COVID-19 pandemic, unless indicated otherwise. = UCB is following the worldwide developments diligently to assess the financ= ial significance of this pandemic to UCB. UCB expressly disclaims any duty = to update any information contained in this press release, either to confir= m the actual results or to report or reflect any change in its forward-look= ing statements with regard thereto or any change in events, conditions or c= ircumstances on which any such statement is based, unless such statement is= required pursuant to applicable laws and regulations.=C2=A0 Additionally, information contained in this document shall not constitute a= n offer to sell or the solicitation of an offer to buy any securities, nor = shall there be any offer, solicitation or sale of securities in any jurisdi= ction in which such offer, solicitation or sale would be unlawful prior to = the registration or qualification under the securities laws of such jurisdi= ction. =C2=A0 References: 1. Data on file: Japan MHLW, 25 September 2023 2. Data on file: Japan MHLW, 25 September 2023 3. Bril V et al. Efficacy and safety of rozanolixizumab in patients with ge= neralised myasthenia gravis: a randomised, double-blind, placebo-controlled= , adaptive Phase 3 study MycarinG study. Lancet Neurol. 2023;22(5):383-94. 4. Howard JF Jr, et al. Safety and efficacy of zilucoplan in patients with = generalised myasthenia gravis (RAISE): a randomised, double-blind, placebo-= controlled, phase 3 study. Lancet Neurol. 2023;22(5):395-406.=C2=A0 5. CHMP Positive Opinion: Zilbrysq https://www.ema.europa.eu/en/medicines/h= uman/summaries-opinion/zilbrysq. date accessed September 2023 6. RYSTIGGO^=C2=AE U.S. Prescribing Information: https://www.ucb-usa.com/RY= STIGGO-prescribing-information.pdf. date accessed September 2023 7. Smith B, et al. Generation and characterization of a high affinity anti-= human FcRn antibody, rozanolixizumab, and the effects of different molecula= r formats on the reduction of plasma IgG concentration. MAbs. 2018;10:1111-= 30. 8. Punga AR, et al. Epidemiology, diagnostics, and biomarkers of autoimmune= neuromuscular junction disorders. Lancet Neurol. 2022;21(2):176-88. 9. National Institute of Neurological Disorders and Stroke. 2022. Myastheni= a Gravis Fact Sheet. https://www.ninds.nih.gov/myasthenia-gravis-fact-sheet= . Accessed August 2023. 10. Myasthenia Gravis Foundation of America. MG Quick Facts. https://myasth= enia.org/MG-Education/MG-Quick-Facts (https://myasthenia.org/MG-Education/M= G-Quick-Facts.) . Accessed September 2023=C2=A0 11. Juel VC, Massey JM. Myasthenia gravis. Orphanet J Rare Dis. 2007;2:44. 12. US Food and Drug Administration. Novel Drug approvals for 2023. https:/= /www.fda.gov/drugs/new-drugs-fda-cders-new-molecular-entities-and-new-thera= peutic-biological-products/novel-drug-approvals-2023. 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