UCB (EBR:UCB) JAMA Neurology Publishes Phase 3 Study Results on the Efficacy and Safety of FINTEPLA®▼(fenfluramine) (LGS)

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02/05/2022 19:01
https://mb.cision.com/Public/18595/3558558/9674c4639d8d0320_800x800ar.png ** JAMA Neurology Publishes Phase 3 Study Results on the Efficacy and Safet= y of FINTEPLA^=C2=AE=E2=96=BC(fenfluramine) Oral Solution for the treatment= of seizures associated with Lennox-Gastaut Syndrome (LGS) ------------------------------------------------------------ =C2=B7 Primary endpoint was met demonstrating that fenfluramine, as adjunct= ive treatment, is effective in significantly reducing the frequency of drop= seizures in LGS patients compared to placebo^1 =C2=B7 LGS is a severe childhood-onset developmental and epileptic encephal= opathy characterized by drug-resistant seizures with high morbidity^2=C2=A0 =C2=B7 Fenfluramine was recently approved by the U.S. Food and Drug Adminis= tration (FDA), as a treatment option for the treatment of seizures associat= ed with LGS, a rare and devastating lifelong childhood-onset epilepsy^5 Brussels (Belgium) and Atlanta, GA (USA)., May 2, 2022 =E2=80=93 7:00 PM (C= EST) =E2=80=93 UCB (Euronext: UCB), a global biopharmaceutical company, tod= ay announced the publication in JAMA Neurology of its multi-center, double-= blind, placebo-controlled, parallel-group, randomized Phase 3 trial demonst= rating that fenfluramine 0.7 mg/kg/day, when added to a patient=E2=80=99s c= urrent anti-epileptic treatment regimen for seizures associated with LGS, i= s effective in reducing the frequency of drop seizures.^1 Drop seizures cau= se a person to suddenly lose muscle tone, become limp, and fall to the grou= nd, with a high likelihood of injury.^6 Within the study, drop seizures wer= e further defined as generalized tonic-clonic (GTC), secondary GTC [focal t= o bilateral tonic clonic], tonic, atonic, or tonic and atonic.^1 LGS is a severe childhood-onset developmental and epileptic encephalopathy = characterized by drug-resistant seizures with high morbidity^2 as well as s= erious impairment of neurodevelopmental, cognitive and motor functions.^3 L= GS has far-reaching effects beyond seizures, including issues with communic= ation, psychiatric symptoms, sleep, behavioral challenges and mobility.^7= =C2=A0 The trial met its primary efficacy endpoint. Patients taking fenfluramine 0= .7 mg/kg/day experienced an estimated mean difference in the reduction of d= rop seizure frequency by 19.9% from placebo (P=3D.001). The median percent = reduction in the frequency of drop seizures in the 0.7 mg/kg/day group was = 26.5%, compared with 14.2% in the 0.2mg/kg/day group, and 7.6% in patients = taking placebo (P=3D.09). In key secondary outcomes, the trial demonstrated= that a greater proportion of patients taking fenfluramine experienced a 50= % or greater reduction in drop seizure frequency, compared to patients in t= he placebo group.^1=C2=A0 =E2=80=9COur trial data and the clinical evidence demonstrate the safety an= d efficacy of fenfluramine for the treatment of seizures associated with LG= S and especially for patients where generalized tonic-clonic seizures are t= he predominant seizure type, where there is a greater risk of mortality,=E2= =80=9D said Kelly Knupp, M.D., MSCS, FAES, Associate Professor, Children=E2= =80=99s Hospital Colorado, Principal Investigator of the study. =E2=80=9CLG= S is a highly treatment-resistant developmental and epileptic encephalopath= y and we need differentiated treatment options, such as fenfluramine, which= has a unique mechanism of action different from and complementary to curre= nt seizure medications.=E2=80=9D The study also included seizure-type subgroup analyses that demonstrated th= at fenfluramine 0.7mg/kg/day was highly effective in reducing the frequency= of GTCs in nearly 50% of patients. During the maintenance and titration pe= riod, patients experienced a decrease in frequency of 45.7% in the fenflura= mine 0.7mg/kg/day group, a decrease in frequency of 58.2% in the 0.2 mg/kg/= day fenfluramine group, compared with an increase in frequency of 3.7% in t= he placebo group (P=3D.001 and P<.001 respectively). The percentage reducti= on in tonic or atonic seizure frequency was 46.7% in the fenfluramine 0.7mg= /kg/day group, compared with 6.8% in the placebo group (P=3D.046).^1 The reason these data are compelling is because GTCs are commonly observed = in patients with LGS.^9 Moreover, GTCs may result in bodily injury.^10,11 S= udden unexpected death in epilepsy (SUDEP) is a major concern for people li= ving with LGS and patients with a history of GTCs have an estimated 10-fold= greater risk of SUDEP.^4 Fenfluramine was generally well-tolerated in this study. The most common tr= eatment-emergent adverse events included decreased appetite (22%), somnolen= ce (13%), and fatigue (13%).^1 The fenfluramine safety database includes lo= ng-term cardiovascular safety data for patients treated for up to three yea= rs in DS and LGS.^5 =E2=80=9CThis study further validates the importance of fenfluramine as a n= ew treatment option for seizures associated with LGS, including generalized= tonic-clonic seizures,=E2=80=9D said Mike Davis, Global Head of Epilepsy, = UCB. =E2=80=9CThrough our close connection with the LGS community, we know = the challenges they face go beyond treatment resistant seizures to include = difficulty with behavior and cognition, and we hope that fenfluramine can p= rovide relief for people living with LGS.=E2=80=9D=C2=A0 Site investigators and caregivers also rated patients as significantly much= or very much improved on the Clinical Global Impression of Improvement (CG= I-I) scale (investigators 26% vs. 20% vs. 6% and caregivers 34% vs. 27% vs.= 5% for 0.7 mg/kg vs. 0.2 mg/kg vs. placebo, respectively).^1=C2=A0 Fenfluramine was approved by the U.S. Food and Drug Administration (FDA) fo= r the treatment of LGS in patients aged 2 and older in March 2022.^5 Fenflu= ramine was also approved for the treatment of Dravet Syndrome in patients a= ged 2 and older in June 2020^5 and by the EU Commission in December 2020 as= an add-on treatment for seizures associated with Dravet syndrome in patien= ts aged 2 and older.^12 UCB acquired Zogenix, Inc. and FINTEPLA^=C2=AE on M= arch 7, 2022. The acquisition is consistent with UCB=E2=80=99s sustainable = patient value strategy and continued commitment to providing world-leading = patient value to all people living with epilepsy, with an increasing focus = on creating value and new solutions that address the unmet needs of people = with certain specialized or rare types of epilepsy, where few or no options= exist. Study Design The multi-center, double-blind, placebo-controlled, parallel-group, randomi= zed Phase 3 clinical trial was conducted from 27 November 2017 to 25 Octobe= r 2019, and had a 20-week trial duration. Patients were enrolled at 65 stud= y sites in North America, Europe, and Australia. A total of 263 patients were randomly assigned to receive either fenflurami= ne 0.7mg/kg/day (n=3D87) or fenfluramine 0.2mg/kg/day (n=3D89) or placebo (= n=3D87). After titration (2-week period), patients were maintained on their= randomized dose for 12 additional weeks. The median age was 13 years. Children and adults, aged 2 to 35 years, with a confirmed LGS diagnosis who= were using stable anti-seizure medication (ASM) regimens (=E2=89=A51 and = =E2=89=A44 concomitant ASMs) were eligible for enrollment if these criteria= were met: onset of seizures at age 11 years or younger; multiple seizure t= ypes, including tonic and tonic or atonic seizures; stable 4-week seizure b= aseline with 2 or more drop seizures per week of GTC, or secondary GTC (i.e= ., focal to bilateral tonic-clonic seizures), tonic, atonic, or tonic or at= onic seizure; abnormal cognitive development; and medical history showing e= lectroencephalogram evidence of abnormal background activity with slow spik= e-and-wave pattern (<2.5Hz). Key exclusion criteria were degenerative neuro= logical disease, history of hemiclonic seizures in the first year of life, = only drop seizure clusters, previous or current exclusionary cardiovascular= or cardiopulmonary abnormality or concomitant cannabidiol use (not FDA app= roved at time of study). This study was funded by Zogenix, Inc., now part of UCB. =C2=A0 About FINTEPLA^=C2=AE (fenfluramine) C-IV FINTEPLA^=C2=AE (fenfluramine) oral solution is a prescription medication a= pproved by the FDA and authorized by the EU Commission, and under regulator= y review with the PMDA (Japan), for the treatment of seizures associated wi= th Dravet syndrome in patients two years of age and older.^12,13 FINTEPLA i= s also approved in the U.S. for the treatment of seizures associated with L= ennox-Gastaut syndrome.^5 Application has also been submitted and is curren= tly under assessment by the European Medicines Agency (EMA) for the treatme= nt of seizures associated with LGS.^14 In the United States, FINTEPLA is available only through a restricted distr= ibution program called the FINTEPLA REMS program. FINTEPLA is available in = Europe under a controlled access program requested by the EMA to prevent of= f-label use for weight management and to confirm that prescribing physician= s have been informed of the need for periodic cardiac monitoring in patient= s taking FINTEPLA. Further information is available at www.FinteplaREMS.com= (http://www.FinteplaREMS.com) or by telephone at +1 877 964 3649. Please see full Prescribing Information (https://www.zogenix.com/pi/Fintepl= a-prescribing-information.pdf) , including Boxed Warning, for additional im= portant information on FINTEPLA. INDICATIONS AND USAGE FINTEPLA is indicated for the treatment of seizures associated with Dravet = syndrome (DS) and Lennox-Gastaut syndrome (LGS) in patients 2 years of age = and older. IMPORTANT SAFETY INFORMATION BOXED WARNING: VALVULAR HEART DISEASE and PULMONARY ARTERIAL HYPERTENSION =C2=B7 There is an association between serotonergic drugs with 5-HT2B recep= tor agonist activity, including fenfluramine (the active ingredient in FINT= EPLA), and valvular heart disease and pulmonary arterial hypertension. =C2=B7 Echocardiogram assessments are required before, during, and after tr= eatment with FINTEPLA. =C2=B7 FINTEPLA is available only through a restricted program called the F= INTEPLA REMS. CONTRAINDICATIONS FINTEPLA is contraindicated in patients with hypersensitivity to fenflurami= ne or any of the excipients in FINTEPLA and with concomitant use, or within= 14 days of the administration of monoamine oxidase inhibitors because of a= n increased risk of serotonin syndrome. WARNINGS AND PRECAUTIONS Valvular Heart Disease and Pulmonary Arterial Hypertension (see Boxed Warni= ng): Because of the association between serotonergic drugs with 5=E2=80=93H= T2B receptor agonist activity, including fenfluramine (the active ingredien= t in FINTEPLA), and valvular heart disease (VHD) and pulmonary arterial hyp= ertension (PAH), cardiac monitoring via echocardiogram is required prior to= starting treatment, during treatment, and after treatment with FINTEPLA co= ncludes. Cardiac monitoring via echocardiogram can aid in early detection o= f these conditions. In clinical trials for DS and LGS of up to 3 years in d= uration, no patient receiving FINTEPLA developed VHD or PAH. Monitoring: Prior to starting treatment, patients must undergo an echocardi= ogram to evaluate for VHD and PAH. Echocardiograms should be repeated every= 6 months, and once at 3-6 months post treatment with FINTEPLA. The prescriber must consider the benefits versus the risks of initiating or= continuing treatment with FINTEPLA if any of the following signs are obser= ved via echocardiogram: valvular abnormality or new abnormality; VHD indica= ted by mild or greater aortic regurgitation or moderate or greater mitral r= egurgitation, with additional characteristics of VHD (eg, valve thickening = or restrictive valve motion); PAH indicated by elevated right heart/pulmona= ry artery pressure (PASP >35mmHg). FINTEPLA REMS Program (see Boxed Warning): FINTEPLA is available only throu= gh a restricted distribution program called the FINTEPLA Risk Evaluation an= d Mitigation Strategy (REMS) Program. Prescribers must be certified by enro= lling in the FINTEPLA REMS. Prescribers must counsel patients receiving FIN= TEPLA about the risk of valvular heart disease and pulmonary arterial hyper= tension, how to recognize signs and symptoms of valvular heart disease and = pulmonary arterial hypertension, the need for baseline (pretreatment) and p= eriodic cardiac monitoring via echocardiogram during FINTEPLA treatment, an= d cardiac monitoring after FINTEPLA treatment. Patients must enroll in the = FINTEPLA REMS and comply with ongoing monitoring requirements. The pharmacy= must be certified by enrolling in the FINTEPLA REMS and must only dispense= to patients who are authorized to receive FINTEPLA. Wholesalers and distri= butors must only distribute to certified pharmacies. Further information is= available at www.FinteplaREMS.com or by telephone at 1-877-964-3649. Decreased Appetite and Decreased Weight: FINTEPLA can cause decreases in ap= petite and weight. Decreases in weight appear to be dose related. Approxima= tely half of the patients with LGS and most patients with DS resumed the ex= pected measured increases in weight during the open-label extension studies= . Weight should be monitored regularly during treatment with FINTEPLA, and = dose modifications should be considered if a decrease in weight is observed= . Somnolence, Sedation, and Lethargy: FINTEPLA can cause somnolence, sedation= , and lethargy. Other central nervous system (CNS) depressants, including a= lcohol, could potentiate these effects of FINTEPLA. Prescribers should moni= tor patients for somnolence and sedation and should advise patients not to = drive or operate machinery until they have gained sufficient experience on = FINTEPLA to gauge whether it adversely affects their ability to drive or op= erate machinery. Suicidal Behavior and Ideation: Antiepileptic drugs (AEDs), including FINTE= PLA, increase the risk of suicidal thoughts or behaviors in patients taking= these drugs for any indication. Patients treated with an AED for any indic= ation should be monitored for the emergence or worsening of depression, sui= cidal thoughts or behaviors, or any unusual changes in mood or behavior. Anyone considering prescribing FINTEPLA or any other AED must balance the r= isk of suicidal thoughts or behaviors with the risks of untreated illness. = Epilepsy and many other illnesses for which AEDs are prescribed are themsel= ves associated with morbidity and mortality and an increased risk of suicid= al thoughts and behaviors. Should suicidal thoughts and behaviors emerge du= ring treatment, consider whether the emergence of these symptoms in any giv= en patient may be related to the illness being treated. Withdrawal of Antiepileptic Drugs: As with most AEDs, FINTEPLA should gener= ally be withdrawn gradually because of the risk of increased seizure freque= ncy and status epilepticus. If withdrawal is needed because of a serious ad= verse reaction, rapid discontinuation can be considered. Serotonin Syndrome: Serotonin syndrome, a potentially life-threatening cond= ition, may occur with FINTEPLA, particularly during concomitant administrat= ion of FINTEPLA with other serotonergic drugs, including, but not limited t= o, selective serotonin-norepinephrine reuptake inhibitors (SNRIs), selectiv= e serotonin reuptake inhibitors (SSRIs), tricyclic antidepressants (TCAs), = bupropion, triptans, dietary supplements (eg, St. John's Wort, tryptophan),= drugs that impair metabolism of serotonin (including monoamine oxidase inh= ibitors [MAOIs], which are contraindicated with FINTEPLA), dextromethorphan= , lithium, tramadol, and antipsychotics with serotonergic agonist activity.= Patients should be monitored for the emergence of signs and symptoms of se= rotonin syndrome, which include mental status changes (eg, agitation, hallu= cinations, coma), autonomic instability (eg, tachycardia, labile blood pres= sure, hyperthermia), neuromuscular signs (eg, hyperreflexia, incoordination= ), and/or gastrointestinal symptoms (eg, nausea, vomiting, diarrhea). If se= rotonin syndrome is suspected, treatment with FINTEPLA should be stopped im= mediately and symptomatic treatment should be started. Increase in Blood Pressure: FINTEPLA can cause an increase in blood pressur= e. Rare cases of significant elevation in blood pressure, including hyperte= nsive crisis, has been reported in adult patients treated with fenfluramine= , including patients without a history of hypertension. In clinical trials = for DS and LGS of up to 3 years in duration, no pediatric or adult patient = receiving FINTEPLA developed hypertensive crisis. Monitor blood pressure in= patients treated with FINTEPLA. Glaucoma: Fenfluramine can cause mydriasis and can precipitate angle closur= e glaucoma. Consider discontinuing treatment with FINTEPLA in patients with= acute decreases in visual acuity or ocular pain. ADVERSE REACTIONS The most common adverse reactions observed in DS studies (incidence at leas= t 10% and greater than placebo) were decreased appetite; somnolence, sedati= on, lethargy; diarrhea; constipation; abnormal echocardiogram; fatigue, mal= aise, asthenia; ataxia, balance disorder, gait disturbance; blood pressure = increased; drooling, salivary hypersecretion; pyrexia; upper respiratory tr= act infection; vomiting; decreased weight; fall; status epilepticus. The most common adverse reactions observed in the LGS study (incidence at l= east 10% and greater than placebo) were diarrhea; decreased appetite; fatig= ue; somnolence; vomiting. DRUG INTERACTIONS Strong CYP1A2, CYP2B6, or CYP3A Inducers: Coadministration with strong CYP1= A2, CYP2B6, or CYP3A inducers will decrease fenfluramine plasma concentrati= ons. If coadministration of a strong CYP1A2, CYP2B6, or CYP3A inducer with = FINTEPLA is necessary, monitor the patient for reduced efficacy and conside= r increasing the dosage of FINTEPLA as needed. If a strong CYP1A2, CYP2B6, = or CYP3A inducer is discontinued during maintenance treatment with FINTEPLA= , consider gradual reduction in the FINTEPLA dosage to the dose administere= d prior to initiating the inducer. Strong CYP1A2 or CYP2D6 Inhibitors: Coadministration with strong CYP1A2 or = CYP2D6 inhibitors will increase fenfluramine plasma concentrations. If FINT= EPLA is coadministered with strong CYP1A2 or CYP2D6 inhibitors, the maximum= daily dosage of FINTEPLA is 20 mg. If a strong CYP1A2 or CYP2D6 inhibitor = is discontinued during maintenance treatment with FINTEPLA, consider gradua= l increase in the FINTEPLA dosage to the dose recommended without CYP1A2 or= CYP2D6 inhibitors. If FINTEPLA is coadministered with stiripentol and a st= rong CYP1A2 or CYP2D6 inhibitor, the maximum daily dosage of FINTEPLA is 17= mg. USE IN SPECIFIC POPULATIONS Administration to patients with hepatic impairment is not recommended. To report SUSPECTED ADVERSE REACTIONS, contact Zogenix Inc. at 1-866-964-36= 49 (1-866-Zogenix) or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch (http:/= /www.fda.gov/medwatch) . Please see full Prescribing Information (https://www.zogenix.com/pi/Fintepl= a-prescribing-information.pdf) , including Boxed Warning, for additional im= portant information on FINTEPLA. Important Safety Information about FINTEPLA^=C2=AE=E2=96=BC=C2=A0in the EU = and EEA^12 =C2=A0 Contraindications Hypersensitivity to the active substance or any of the excipients of Fintep= la^=C2=AE. Aortic or mitral valvular heart disease. Pulmonary arterial hype= rtension. Within 14 days of the administration of monoamine oxidase inhibit= ors due to an increased risk of serotonin syndrome Summary of the safety profile=C2=A0 The most commonly reported adverse reactions are decreased appetite (44.2%)= , diarrhoea (30.8%), pyrexia (25.6%), fatigue (25.6%), upper respiratory tr= act infection (20.5%), lethargy (17.5%), somnolence (15.4%), and bronchitis= (11.6%) Special warnings and precautions for use Aortic or mitral valvular heart disease and pulmonary arterial hypertension Because of reported cases of valvular heart disease that may have been caus= ed by fenfluramine at higher doses used to treat adult obesity, cardiac mon= itoring must be performed using echocardiography. In the controlled clinica= l studies of fenfluramine for the treatment of Dravet syndrome, no valvular= heart disease was observed. Prior to starting treatment, patients must undergo an echocardiogram to est= ablish a baseline prior to initiating treatment and exclude any pre-existin= g valvular heart disease or pulmonary hypertension. Echocardiogram monitoring should be conducted every 6 months for the first = 2 years and annually thereafter. If an echocardiogram indicates pathologica= l valvular changes, a follow-up echocardiogram should be considered at an e= arlier timeframe to evaluate whether the abnormality is persistent. If path= ological abnormalities on the echocardiogram are observed, it is recommende= d to evaluate the benefit versus risk of continuing fenfluramine treatment = with the prescriber, caregiver, and cardiologist. If treatment is stopped because of aortic or mitral valvular heart disease,= appropriate monitoring and follow-up should be provided in accordance with= local guidelines for the treatment of aortic or mitral valvular heart dise= ase. With past use in higher doses to treat adult obesity, fenfluramine was repo= rted to be associated with pulmonary arterial hypertension. Pulmonary arter= ial hypertension was not observed in the clinical programme, but because of= the low incidence of this disease, the clinical trial experience with fenf= luramine is inadequate to determine if fenfluramine increases the risk for = pulmonary arterial hypertension in patients with Dravet syndrome. If echoca= rdiogram findings are suggestive of pulmonary arterial hypertension, a repe= at echocardiogram should be performed as soon as possible and within 3 mont= hs to confirm these findings. If the echocardiogram finding is confirmed su= ggestive of an increased probability of pulmonary arterial hypertension def= ined as =E2=80=9Cintermediate probability=E2=80=9D by the 2015 European Soc= iety of Cardiology (ESC) and the European Respiratory Society (ERS) Guideli= nes, it should lead to a benefit-risk evaluation of continuation of Fintepl= a by the prescriber, carer, and cardiologist. If the echocardiogram finding= , after confirmation, suggests of a high probability of pulmonary arterial = hypertension, as defined by the 2015 ESC and ERS Guidelines, it is recommen= ded fenfluramine treatment should be stopped. Decreased appetite and weight loss Fenfluramine can cause decreased appetite and weight loss (see section 4.8)= . An additive effect on decreased appetite can occur when fenfluramine is c= ombined with other anti-epileptic medicines, for example stiripentol. The d= ecrease in weight appears to be dose related. Most subjects resumed weight = gain over time while continuing treatment. The patient's weight should be m= onitored. A benefit risk evaluation should be undertaken prior to commencin= g treatment with fenfluramine in patients with a history of anorexia nervos= a or bulimia nervosa. Fintepla controlled access programme A controlled access programme has been created to 1) prevent off-label use = in weight management in obese patients and 2) confirm that prescribing phys= icians have been informed of the need for periodic cardiac monitoring in pa= tients taking Fintepla. Somnolence Fenfluramine can cause somnolence. Other central nervous system depressants, including alcohol, could potentia= te the somnolence effect of fenfluramine . Suicidal behaviour and ideation Suicidal behaviour and ideation have been reported in patients treated with= anti-epileptic medicines in several indications. A meta-analysis of random= ised placebo-controlled trials with anti-epileptic medicines that did not i= nclude fenfluramine has shown a small increased risk of suicidal behaviour = and ideation. The mechanism of this risk is not known, and the available da= ta do not exclude the possibility of an increased risk for fenfluramine. Pa= tients and caregivers of patients should be advised to seek medical advice = should any signs of suicidal behaviour and ideation emerge. Serotonin syndrome As with other serotonergic agents, serotonin syndrome, a potentially life-t= hreatening condition, may occur with fenfluramine treatment, particularly w= ith concomitant use of other serotonergic agents (including SSRIs, SNRIs, t= ricyclic antidepressants, or triptans); with agents that impair metabolism = of serotonin such as MAOIs; or with antipsychotics that may affect the sero= tonergic neurotransmitter systems. Serotonin syndrome symptoms may include mental status changes (eg, agitatio= n, hallucinations, coma), autonomic instability (eg, tachycardia, labile bl= ood pressure, hyperthermia), neuromuscular aberrations (eg, hyperreflexia, = incoordination), and/or gastrointestinal symptoms (eg, nausea, vomiting, di= arrhoea). If concomitant treatment with fenfluramine and other serotonergic agents th= at may affect the serotonergic systems is clinically warranted, careful obs= ervation of the patient is advised, particularly during treatment initiatio= n and dose increases. Increased seizure frequency As with other anti-epileptic medicines, a clinically relevant increase in s= eizure frequency may occur during treatment with fenfluramine, which may re= quire adjustment in the dose of fenfluramine and/or concomitant anti-epilep= tic medicines, or discontinuation of fenfluramine, should the benefit-risk = be negative. Cyproheptadine Cyproheptadine is a potent serotonin receptor antagonist and may therefore = decrease the efficacy of fenfluramine. If cyproheptadine is added to treatm= ent with fenfluramine, patients should be monitored for worsening of seizur= es. If fenfluramine treatment is initiated in a patient taking cyproheptadi= ne, fenfluramine's efficacy may be reduced. Glaucoma Fenfluramine can cause mydriasis and can precipitate angle closure glaucoma= . Discontinue therapy in patients with acute decreases in visual acuity. Co= nsider discontinuation if there is ocular pain and another cause cannot be = determined. Strong CYP1A2 or CYP2B6 inducers Co-administration with strong CYP1A2 inducers or CYP2B6 inducers may decrea= se fenfluramine plasma concentrations. An increase in fenfluramine dosage should be considered when co-administere= d with a strong CYP1A2 or CYP2B6 inducer; the maximum daily dose should not= be exceeded. Excipients This medicinal product contains sodium ethyl para-hydroxybenzoate (E 215) a= nd sodium methyl para-hydroxybenzoate (E 219) which may cause allergic reac= tions (possibly delayed). It also contains sulfur dioxide (E 220) which may rarely cause severe hyper= sensitivity reactions and bronchospasm. Patients with rare glucose-galactose malabsorption should not take this med= icinal product. This medicinal product contains less than 1 mmol sodium (23 mg) per the max= imum daily dose of 12 mL, that is to say essentially 'sodium-free'. This medicinal product contains glucose which may be harmful to the teeth. Refer to the European Summary of Product Characteristics for other adverse = reactions and full prescribing information. Date of revision: 04 Nov 2021.= =C2=A0 https://www.ema.europa.eu/en/documents/product-information/fintepla-epar-pr= oduct-information_en.pdf=C2=A0 =E2=96=BC=C2=A0This medicinal product is subject to additional monitoring. = This will allow quick identification of new safety information. Healthcare = professionals are asked to report any suspected adverse reactions.=C2=A0 For further information, contact UCB:=C2=A0 Investor Relations Antje Witte T +32.2.559.9414 antje.witte@ucb.com Corporate Communications Nick Francis T +44 7769 307745 Nick.francis@ucb.com Laurent Schots, Media Relations T+32.2.559.9264 Laurent.schots@ucb.com Erica Puntel, U.S. Media Relations T +404 938 5359 Erica.puntel@ucb.com =C2=A0=C2=A0 =C2=A0 About UCB 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= 5.8 billion in 2021. UCB is listed on Euronext Brussels (symbol: UCB). Foll= ow us on Twitter: @UCB_news. 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There is no guarantee= that new product candidates will be discovered or identified in the pipeli= ne, or that new indications for existing products will be developed and app= roved. Movement from concept to commercial product is uncertain; preclinica= l results do not guarantee safety and efficacy of product candidates in hum= ans. So far, the complexity of the human body cannot be reproduced in compu= ter models, cell culture systems or animal models. The length of the timing= to complete clinical trials and to get regulatory approval for product mar= keting has varied in the past and UCB expects similar unpredictability goin= g forward. Products or potential products which are the subject of partners= hips, joint ventures or licensing collaborations may be subject to disputes= between the partners or may prove to be not as safe, effective or commerci= ally successful as UCB may have believed at the start of such partnership. = UCB=E2=80=99 efforts to acquire other products or companies and to integrat= e the operations of such acquired companies may not be as successful as UCB= may have believed at the moment of acquisition. Also, UCB or others could = discover safety, side effects or manufacturing problems with its products a= nd/or devices after they are marketed. The discovery of significant problem= s 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 on sales of th= e entire class of affected products. Moreover, sales may be impacted by int= ernational and domestic trends toward managed care and health care cost con= tainment, including pricing pressure, political and public scrutiny, custom= er and prescriber patterns or practices, and the reimbursement policies imp= osed by third-party payers as well as legislation affecting biopharmaceutic= al pricing and reimbursement activities and outcomes. Finally, a breakdown,= cyberattack or information security breach could compromise the confidenti= ality, integrity and availability of UCB=E2=80=99s data and systems. 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 expressly disclaims any duty to= update any information contained in this press release, either to confirm = the actual results or to report or reflect any change in its forward-lookin= g statements with regard thereto or any change in events, conditions or cir= cumstances on which any such statement is based, unless such statement is r= equired pursuant to applicable laws and regulations. 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. References 1. Knupp K, Scheffer, I, et al. Efficacy and Safety of Fenfluramine for the= Treatment of Seizures Associated with Lennox-Gastaut Syndrome: A Randomize= d Clinical Study. JAMA Neurology. 2022; E1-E11. 2. Strzelczyk A, Schubert-Bast S. Expanding the Treatment Landscape for Len= nox-Gastaut Syndrome: Current and Future Strategies. CNS Drugs. 2021;35(1):= 61-83.=C2=A0 3. Arzimanoglou A, French J, Blume WT, et al. Lennox-Gastaut syndrome: a co= nsensus approach on diagnosis, assessment, management, and trial methodolog= y. Lancet Neurol. 2009;8(1):82-93. 4. Sveinsson O, Andersson T, Mattsson P, Carlsson S, Tomson T. Clinical ris= k factors in SUDEP: A =C2=A0nationwide population-based case-control study.= Neurology. 2020;94(4):e419-e429. 5. FINTEPLA^=C2=AE (fenfluramine) oral solution CIV. U.S. Prescribing Infor= mation. March 2022. Available at : https://zogenix.com/pi/Fintepla-prescrib= ing-information.pdf. Last accessed: April 2022=C2=A0 6. Mastrangelo M. Lennox-Gastaut Syndrome: A State of the Art Review. Neuro= pediatrics. 2017;48(3):143-151. 7. LGS Foundation. LGS Characteristics and Major Concerns Survey. https://w= ww.lgsfoundation.org/wp-content/uploads/2021/08/2019-PFDD-Caregiver-Survey-= 1.pdf. Accessed April 2022. 8. UCB Data on file. Zogenix, Inc. bioStrategies Group. 2021. 9. Cross JH, Auvin S, Falip M, Striano P, Arzimanoglou A. Expert opinion on= the management of =C2=A0Lennox-Gastaut syndrome: treatment algorithms and = practical considerations. Front Neurol. =C2=A02017;8:505. 10. Gastaut H, Roger J, Soulayrol R, et al. Childhood epileptic encephalopa= thy with diffuse slow =C2=A0spike-waves (otherwise known as "petit mal vari= ant") or Lennox syndrome. Epilepsia. 1966;7(2):139-179. 11. Cross JH, Galer BS, Gil-Nagel A, et al. Impact of fenfluramine on the e= xpected SUDEP mortality =C2=A0rates in patients with Dravet syndrome. Seizu= re. 2021;93:154-159. 12. FINTEPLA Summary of Product Characteristics. September 2021. Available = at: https://www.ema.europa.eu/en/documents/product-information/fintepla-epa= r-product-information_en.pdf. Last accessed: April 2022=C2=A0 13. Zogenix Press Release. Zogenix Submits New Drug Application for FINTEPL= A^=C2=AE (Fenfluramine) in Japan for the Treatment of Epileptic Seizures As= sociated with Dravet Syndrome. 21 December 2021. Available at: https://www.= globenewswire.com/news-release/2021/12/21/2356048/0/en/Zogenix-Submits-New-= Drug-Application-for-FINTEPLA-Fenfluramine-in-Japan-for-the-Treatment-of-Ep= ileptic-Seizures-Associated-with-Dravet-Syndrome.html#:~:text=3D21%2C%20202= 1%20(GLOBE%20NEWSWIRE),fenfluramine)%20for%20the%20treatment%20of. Last acc= essed: April 2022=C2=A0 14. Zogenix Press Release. Zogenix Submits Type II Variation Application to= the European Medicines Agency (EMA) to Expand the Use of FINTEPLA=C2=AE (f= enfluramine) for the Treatment of Seizures Associated with Lennox-Gastaut S= yndrome. 20 December 2021. Available at: https://zogenixinc.gcs-web.com/new= s-releases/news-release-details/zogenix-submits-type-ii-variation-applicati= on-european-medicines. Last accessed: April 2022.=C2=A0 GenericFile 220429 JAMA Neurology FINTEPLA LGS press release ENG (https://mb.cision.com= /Public/18595/3558558/a88674e492a09b22.pdf) ______________________ If you would rather not receive future communications from UCB SA, please g= o to https://eu.vocuspr.com/OptOut.aspx?2973226x20421x103967x1x6868579x2400= 0x6&Email=3Dregnews%40symexglobal.com. UCB SA, All=C3=A9e de la Recherche, 60 ., Brussels, . B - 1070 Belgium