UCB (EBR:UCB) UCB Media Room: Rozanolixizumab and Zilucoplan Phase 3 Generalized Myasthenia Gravis studies published in prestigious The Lancet Neurology Journal

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13/04/2023 07:00
https://mb.cision.com/Public/18595/3749839/a4ab6ae8fd123ec3_800x800ar.png ** UCB=E2=80=99s Rozanolixizumab and Zilucoplan Phase 3 Generalized Myasthe= nia Gravis studies published in prestigious The Lancet Neurology Journal ------------------------------------------------------------ =C2=B7 MycarinG study publication reports the clinically meaningful and sta= tistically significant effects of rozanolixizumab across key endpoints in a= dult patients with acetylcholine receptor autoantibody positive (AChR-Ab+) = or muscle-specific tyrosine kinase (MuSK-Ab+) autoantibody positive gMG, in= the largest study in patients with gMG to date. =C2=B7 RAISE publication describes clinically meaningful and statistically = significant improvements in MG-specific efficacy outcomes, as well as a fav= orable safety profile, for zilucoplan, the first C5 complement inhibitor to= be self-administered at home by adult patients with AChR-Ab+ gMG. =C2=A0 =C2=B7 Rozanolixizumab and zilucoplan are investigational therapies current= ly under regulatory review in the U.S., Europe and Japan.=C2=A0 Brussels (Belgium) 13 April 2023 =E2=80=93 07:00 AM (CET) =E2=80=93 UCB, a = global biopharmaceutical company, today announced that The Lancet Neurology= has published data from the Phase 3 MycarinG study evaluating the efficacy= and safety of rozanolixizumab in adult patients with acetylcholine recepto= r autoantibody-positive (AChR-Ab+) or muscle-specific tyrosine kinase autoa= ntibody-positive (MuSK-Ab+) generalized myasthenia gravis (gMG) and the Pha= se 3 RAISE study evaluating the efficacy and safety of zilucoplan in adult = patients with mild to severe AChR-Ab+ gMG.^1,2 UCB is investigating both therapies as part of a broad offering to treat ad= ult patients living with gMG throughout their treatment journey; each has a= n individual mechanism of action targeting the underlying disease pathology= that causes gMG.=C2=A0 The safety and efficacy of rozanolixizumab and zilucoplan have not been est= ablished and neither treatment is approved for use in any indication by any= regulatory authority worldwide. =E2=80=9CThere is an ongoing need for well-tolerated, targeted treatment op= tions to improve the quality of life of people living with gMG. Many of the= current treatment options only offer symptomatic relief which results in a= treatment burden in addition to the already substantial disease burden,=E2= =80=9C said Iris Loew-Friedrich, Executive Vice-President and Chief Medical= Officer at UCB. =E2=80=9CThese papers published in The Lancet Neurology fu= rther reinforce the potential of rozanolixizumab and zilucoplan =E2=80=93 w= ith their different MOAs =E2=80=93 to provide targeted treatment options to= patients to help them manage fluctuating and unpredictable symptoms both a= t home and in a healthcare setting.=E2=80=9D In the MycarinG study^1 (n=3D200) - the largest gMG population Phase 3 stud= y published to date =E2=80=93 in adult patients with AChR-Ab+ or MuSK-Ab+ g= MG, rozanolixizumab demonstrated statistically significant and clinically m= eaningful improvements in MG-specific outcomes in patients with MuSK-Ab+ or= AChR-Ab+ gMG, that were consistent with prior published results. Reduction= s in MG-ADL score from baseline to day 43 were greater in the rozanolixizum= ab 7 mg/kg group (least-squares mean change =E2=80=933=C2=B737 [SE 0=C2=B74= 9]) and in the rozanolixizumab 10 mg/kg group (=E2=80=933=C2=B740 [0=C2=B74= 9]) than with placebo (=E2=80=930=C2=B778 [0=C2=B749]; for 7 mg/kg, least-s= quares mean difference =E2=88=922=C2=B759 [95% CI =E2=88=924=C2=B709 to =E2= =88=921=C2=B725], p<0=C2=B70001; for 10 mg/kg, =E2=88=922=C2=B762 [=E2=88= =923=C2=B799 to =E2=88=921=C2=B716], p<0=C2=B70001). In the MuSK-Ab+ specif= ic subgroup, improvement in MG-ADL was =E2=80=937.28 (7mg/kg; n=3D5), =E2= =80=934.16 (10mg/kg; n=3D8), and 2.28 (placebo; n=3D8). In the AChR-Ab+ spe= cific subgroup, improvement in MG-ADL was =E2=80=933.03 (7mg/kg; n=3D60), = =E2=80=933.36, (10mg/kg; n=3D60), and =E2=80=931.10 (placebo; n=3D59).=C2= =A0 Both rozanolixizumab doses were generally well tolerated with similar occur= rences of TEAEs between both doses. The most frequently reported TEAEs were= headache, diarrhea, and pyrexia. A higher incidence of headache was report= ed in the rozanolixizumab groups versus placebo, with most cases mild to mo= derate and severe cases generally managed with non-opioid analgesics. Treat= ment discontinuation rates due to TEAEs were low.=C2=A0 Importantly, the MycarinG study included Patient-Reported Outcomes (PROs) m= easures as secondary endpoints. The novel Myasthenia Gravis Symptoms PRO (M= GS-PRO) =E2=80=93 a measure used to assess symptom severity and impact of M= G on patient lives, including physical fatigue which is not covered in othe= r MG clinical outcome assessments =E2=80=93 demonstrated statistically sign= ificant results vs placebo. =E2=80=9CThe findings from the MycarinG study support the mechanism of acti= on of neonatal Fc receptor inhibition and the potential for rozanolixizumab= in adult patients with acetylcholine receptor autoantibody positive (AChR-= Ab+) or muscle-specific tyrosine kinase (MuSK-Ab+) autoantibody positive ge= neralized myasthenia gravis,=E2=80=9D explained =C2=A0Professor Vera Bril, = Professor of Medicine (Neurology), University of Toronto, Director of the N= euromuscular Section, Division of Neurology, University of Toronto and Univ= ersity Health Network, Toronto, and lead investigator of the MycarinG study= . =E2=80=9CRozanolixizumab showed clinically meaningful improvements in pat= ient-reported and investigator-assessed outcomes for both 7 mg/kg and 10 mg= /kg doses. Both doses were generally well tolerated. If approved in the fut= ure, rozanolixizumab represents a potential additional treatment option for= adult patients with generalized myasthenia gravis.=E2=80=9D In the RAISE study^2 (n=3D174), in adult patients with mild to severe AChR-= Ab+ gMG, zilucoplan demonstrated rapid efficacy, with consistent, sustained= , clinically meaningful and statistically significant improvements versus p= lacebo from baseline to week 12 in both patient and clinician-reported endp= oints, including MG-ADL, which was the primary efficacy endpoint, and QMG, = MGC and MGQoL15, which were secondary efficacy endpoints (the threshold for= clinically meaningful MG-QoL15r has not yet been established).^2 At Week 1= 2, more patients receiving zilucoplan, achieved a =E2=89=A53-point reductio= n in MG-ADL score without rescue therapy, compared with those receiving pla= cebo (73% and 46%, respectively; odds ratio [95% CI] =3D 3=C2=B718 [1=C2=B7= 66, 6=C2=B710]; p=3D0=C2=B70005;). Additionally, more patients receiving zi= lucoplan, compared with those receiving placebo, (58% and 33%, respectively= ) achieved a =E2=89=A55-point reduction in QMG score without rescue therapy= at Week 12 (odds ratio [95% CI] =3D 2=C2=B787 [1=C2=B752, 5=C2=B740]; p=3D= 0=C2=B70012;). Zilucoplan was generally well tolerated with a favorable safety profile. Th= e most frequently reported TEAEs in the zilucoplan group were injection sit= e bruising, headache, diarrhea, and (worsening of) MG.^2 Incidences of seri= ous TEAEs and serious infections were similar in both groups. All patients = who completed the 12-week treatment period (n=3D166) chose to enroll in RAI= SE-XT, the ongoing open label extension study.^2 If approved, zilucoplan wo= uld be the first C5 complement inhibitor in gMG that patients can self-admi= nister at home. =E2=80=9CIn the RAISE study, zilucoplan showed rapid and clinically meaning= ful improvements in myasthenia gravis-specific efficacy outcomes, had a fav= orable safety profile, and was generally well tolerated, with no major safe= ty findings,=E2=80=9D said James F. Howard, MD, Distinguished Professor of = Neuromuscular Disease, Professor of Neurology, Medicine and Allied Health, = The University of North Carolina at Chapel Hill School of Medicine and lead= investigator in the RAISE trial. =E2=80=9CThese results suggest that, if a= pproved in the future, zilucoplan could present a potential new treatment o= ption for a broad population of adult patients with AChR-Ab+ generalized my= asthenia gravis.=E2=80=9D Earlier this year, the US Food and Drug Administration (FDA) accepted UCB= =E2=80=99s filing to review a Biologic License Application (BLA) for rozano= lixizumab for the treatment of gMG in adult patients. The BLA was designate= d for Priority Review, with a response from the agency anticipated in Q2 20= 23. This BLA followed the European Medicines Agency=E2=80=99s (EMA) validat= ion of the Marketing Authorization Application (MAA) for rozanolixizumab, a= nd the FDA=E2=80=99s acceptance of a New Drug Application (NDA) and the EMA= =E2=80=99s validation of the MAA for zilucoplan in the same indication. Reg= ulatory applications for rozanolixizumab and zilucoplan for the treatment o= f gMG have also been filed in Japan. Responses from regulatory agencies to = these submissions are expected in H2 2023.=C2=A0 =C2=A0 =E2=80=9COur ultimate goal is to provide targeted treatment options that ca= n help reduce the ongoing daily burden of gMG, giving patients additional f= lexible treatment options that work alongside their daily life,=E2=80=9D sa= id Charl van Zyl, Executive Vice President Neurology Solutions & Head of EU= /International Markets, UCB. =E2=80=9CWith measures such as MGS-PRO in the = MycarinG study, we have been able to see the positive impact rozanolixizuma= b has had on patient experience, while results from the RAISE study demonst= rated the potential of zilucoplan as an effective and generally well-tolera= ted treatment that can be self-administered at home, giving people greater = independence. These results bring us one step forward towards offering tail= ored options to meet individual patient needs.=E2=80=9D =C2=A0 gMG is a rare, chronic, heterogeneous (phenotypic and pathogenic), and unpr= edictable auto-immune disease characterized by dysfunction and damage at th= e neuromuscular junction.^3 Several factors are understood to be drivers of= gMG disease pathology, including complement, immune cells and pathogenic I= gG autoantibodies.^4 People living with gMG can experience a variety of symptoms, including droo= ping eyelids, double vision, and difficulty in swallowing, chewing and talk= ing, as well as severe muscle weakness that can result in life-threatening = weakness of the muscles of respiration.^5,6 MG is a rare disease with a glo= bal prevalence of 100=E2=80=93350 cases per every 1 million people.^7 For further information, contact UCB:=C2=A0 Brand Communications, Rare Diseases Jim Baxter T+32.2.473.78.85.01=C2=A0 jim.baxter@ucb.com=C2=A0 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 the rozanolixizumab MycarinG study^8 The MycarinG study (NCT03971422) is a multi-center, Phase 3, randomized, do= uble-blind, placebo-controlled study evaluating the efficacy and safety of = rozanolixizumab in adult patients with gMG, with an open-label extension.^1= The primary endpoint for the MycarinG study is change from baseline to day= 43 in the Myasthenia Gravis-Activities of Daily Living (MG-ADL) score, an = eight-item patient-reported scale developed to assess MG symptoms and their= effects on daily activities.^1 Additional secondary endpoints include resp= onse rates, changes in the Myasthenia Gravis Composite (MGC) score, the Qua= ntitative MG (QMG) score, patient-reported outcomes and treatment-emergent = adverse events (TEAEs) from baseline to day 43.^1 The majority of patients = taking part in the MycarinG study opted to enroll in the open-label extensi= ons to this clinical trial. As a result, UCB is exploring the potential for= further extension studies into this treatment.^9 For more information about the trial, visit https://clinicaltrials.gov/ct2/= show/NCT03971422. About rozanolixizumab Rozanolixizumab is a SC administered, humanized monoclonal antibody that sp= ecifically binds, with high affinity, to human neonatal Fc receptor (FcRn).= It has been designed to block the interaction of FcRn and Immunoglobulin G= (IgG), accelerating the catabolism of antibodies and reducing the concentr= ation of pathogenic IgG autoantibodies.^10,11 Rozanolixizumab is under clinical development with the aim of improving the= lives of people with pathogenic IgG-autoantibody-driven autoimmune disease= . In 2019, the US FDA granted orphan drug designation to rozanolixizumab fo= r the treatment of myasthenia gravis.^12 Orphan designation was granted in = 2020 by the European Commission to rozanolixizumab for the treatment of mya= sthenia gravis.^13 The safety and efficacy of rozanolixizumab have not been established and it= is not approved for use in any indication by any regulatory authority worl= dwide. About the zilucoplan RAISE study^14 The RAISE study (NCT04115293) was a multi-center, Phase 3, randomized, doub= le-blind, placebo-controlled study to confirm the efficacy, safety, and tol= erability of zilucoplan in adult patients with AChR-Ab+ gMG. Patients were = randomized in a 1:1 ratio to receive daily subcutaneous (SC) doses of 0.3 m= g/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. Secon= dary endpoints included change from baseline in the Quantitative Myasthenia= Gravis (QMG) score, the Myasthenia Gravis Composite (MGC) and the Myasthen= ia Gravis Quality of Life 15 revised (MG-QoL15r)f score from baseline to We= ek 12, time to first rescue therapy, the proportion of patients with minima= l symptom expression (MSE) (defined as MG-ADL of 0 or 1 without rescue ther= apy), the proportion with a =E2=89=A53-point reduction in MG-ADL and the pr= oportion with a =E2=89=A55-point reduction in QMG, all measured at Week 12.= Secondary safety endpoint was incidence of TEAEs. Patients who completed t= he RAISE trial had the possibility to enter the open-label extension study,= RAISE-XT (NCT04225871).^2=C2=A0 For more information about the trial visit https://clinicaltrials.gov/ct2/s= how/NCT04115293 About zilucoplan Zilucoplan is a once-daily SC, self-administered peptide inhibitor of compl= ement component 5 (C5 inhibitor) under clinical development by UCB in gMG. = As a C5 inhibitor, zilucoplan inhibits complement-mediated damage to the ne= uromuscular junction through its targeted dual mechanism of action.^2 In 20= 19, the US FDA granted orphan drug designation to zilucoplan for the treatm= ent of myasthenia gravis.^15 Orphan designation was granted in 2022 by the = European Commission to zilucoplan for the treatment of myasthenia gravis.^1= 6 The safety and efficacy of zilucoplan have not been established and it is n= ot currently approved for use in any indication by any regulatory authority= worldwide. 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 the central nervous system. With approximately 8 700 people i= n approximately 40 countries, the company generated revenue of =E2=82=AC 5.= 5 billion in 2022. UCB is listed on Euronext Brussels (symbol: UCB).=C2=A0 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. 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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. 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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. Bril V. Efficacy and safety of rozanolixizumab in patients with generali= sed myasthenia gravis: a randomised, double-blind, placebo-controlled, adap= tive Phase 3 study MyCarinG study. The Lancet Neurology. 2023. Published on= line. Available at: http://www.thelancet.com/journals/laneur/article/PIIS14= 74-4422(23)00077-7/fulltext=C2=A0 =C2=A0 2. Howard J, Efficacy and safety of zilucoplan in patients with generalised= myasthenia gravis: A randomised, double-blind, placebo-controlled, Phase 3= study (RAISE). The Lancet Neurology. 2023. Published online. Available at:= http://www.thelancet.com/journals/laneur/article/PIIS1474-4422(23)00080-7/= fulltext (https://protect-us.mimecast.com/s/-bYZCW61PrfVJJ6MTO5wVc?domain= =3Deur02.safelinks.protection.outlook.com) 3. Juel VC, Massey JM. Myasthenia gravis. Orphanet J Rare Dis. 2007;2:44. 4. Phillips WD, Vincent A. Pathogenesis of myasthenia gravis: update on dis= ease types, models, and mechanisms. F1000Res. 2016;5(F1000 Faculty Rev):151= 3. 5. Myasthenia Gravis Foundation of America. Clinical Overview of MG. https:= //myasthenia.org/Professionals/Clinical-Overview-of-MG. Accessed February 2= 023 6. Hansen JS, et al. Mortality in myasthenia gravis: A nationwide populatio= n-based follow-up study in Denmark. Muscle Nerve. 2016; 53: 73-77. 7. Punga, Anna Rostedt et al. =E2=80=9CEpidemiology, diagnostics, and bioma= rkers of autoimmune neuromuscular junction disorders.=E2=80=9D The Lancet. = Neurology vol. 21,2 (2022): 176-188. doi:10.1016/S1474-4422(21)00297-0 8. ClinicalTrials.gov =E2=80=98A Study to Test Efficacy and Safety of Rozan= olixizumab in Adult Patients With Generalized Myasthenia Gravis=E2=80=99: = =C2=A0https://clinicaltrials.gov/ct2/show/NCT03971422. Accessed February 20= 23. 9. ClinicalTrials.gov =E2=80=98A Study to Evaluate Rozanolixizumab in Study= Participants With Generalized Myasthenia Gravis=E2=80=99. https://clinical= trials.gov/ct2/show/NCT04650854?term=3DRozanolixizumab&draw=3D2&rank=3D3 10. Kiessling P, et al. The FcRn inhibitor rozanolixizumab reduces human se= rum IgG concentration: A randomized Phase 1 study. Sci Transl Med. 2017;9(4= 14:eaan1208). 11. Smith B, et al. Generation and characterization of a high affinity anti= -human FcRn antibody, rozanolixizumab, and the effects of different molecul= ar formats on the reduction of plasma IgG concentration. MAbs. 2018;10:1111= -1113. 12. US Food and Drug Administration. https://www.accessdata.fda.gov/scripts= /opdlisting/oopd/detailedIndex.cfm?cfgridkey=3D669918. Accessed March 2023 13. European Medicines Agency. https://www.ema.europa.eu/en/medicines/human= /orphan-designations/eu3202272. Accessed March 2023 14. ClinicalTrials.gov =E2=80=98Safety, Tolerability, and Efficacy of Ziluc= oplan in Subjects With Generalized Myasthenia Gravis (RAISE)=E2=80=99: http= s://clinicaltrials.gov/ct2/show/NCT04115293. Accessed March 2023. 15. US Food and Drug Administration. https://www.accessdata.fda.gov/scripts= /opdlisting/oopd/detailedIndex.cfm?cfgridkey=3D699319. Accessed March 2023. 16. Data on file, UCB inc GenericFile UCB PR Lancet Neurology Press Release April 13 2023 ENG (https://mb.cision.= com/Public/18595/3749839/8aefebeae08ed0de.pdf) ______________________ If you would rather not receive future communications from UCB SA, please g= o to https://eu.vocuspr.com/OptOut.aspx?2973226x20421x133597x1x6868579x2400= 0x6&Email=3Dregnews%40symexglobal.com. UCB SA, All=C3=A9e de la Recherche, 60 ., Brussels, . B - 1070 Belgium