Retinopathy of Prematurity

Initial real-world data from nearly 40,000 EYLEA HD patients will provide early insights on effectiveness of EYLEA HD in everyday clinical practice New indirect comparisons will evaluate EYLEA HD and faricimab on measures of efficacy, dosing frequency and potential economic benefits in patients with wet age-related macular degeneration and diabetic macular edema TARRYTOWN, N.Y., April 28, 2025 (GLOBE NEWSWIRE) -- Regeneron Pharmaceuticals, Inc. (NASDAQ: REGN) today announced the upcoming presentation of 27 abstracts, including eight oral presentations on EYLEA HD® (aflibercept) Injection 8 mg in wet age-related macular degeneration (wAMD), diabetic macular edema (DME) and diabetic retinopathy (DR). Among the new results and analyses are initial insights on the real-world use of EYLEA HD in clinical practice, which reinforce the outcomes seen in pivotal trials. These data will be presented at the Association for Research in Vision and Ophthalmology (ARVO) 2025 Annual Meeting from May 4 to 8 in Salt Lake City. "Our data presentations at ARVO reflect the robust and rapidly growing body of evidence that support the use of EYLEA HD becoming the new standard of care for people living with wet age-related macular degeneration, diabetic macular edema and diabetic retinopathy,” said Boaz Hirshberg, M.D., Senior Vice President, Clinical Development, Internal Medicine at Regeneron. “This includes new analyses examining the initial real-world experiences of nearly 40,000 patients treated with EYLEA HD showing, in everyday clinical practice, a positive impact through improved vision and longer dosing intervals for patients. Although early, these data reinforce the value EYLEA HD is bringing to patients with serious retinal diseases.” Notable new presentations at ARVO include: Four analyses evaluating initial real-world experiences with EYLEA HD among patients with wAMD or DME, including both those who were previously naive to treatment and those who switched from other anti-vascular endothelial growth factor (VEGF) therapiesA network meta-analysis indirectly comparing the efficacy and number of injections received for EYLEA HD and faricimab in patients with DME or wAMD, based on the longest follow-up data from Phase 3 clinical trialsA modeling analysis of the potential economic benefit of EYLEA HD compared to faricimab for the treatment of patients with wAMD or DME in the U.S. over three years The most common adverse reactions (≥3%) reported in patients treated with EYLEA HD were cataract, conjunctival hemorrhage, intraocular pressure increased, ocular discomfort/eye pain/eye irritation, vision blurred, vitreous floaters, vitreous detachment, corneal epithelium defect and retinal hemorrhage. Key EYLEA HD presentations at ARVO: Abstract titleLead author Presentation date, time (MST), locationEarly insights on the real-worlduse of aflibercept 8 mg amongtreatment-naive eyes withdiabetic macular edemaNitish Mehta, MDPoster PresentationDate: May 5Time: 3:00–4:45 PM MSTSession: Diabetic Macular Edema: Anti-VEGFEarly insights from real-worlduse of aflibercept 8 mg amongeyes with diabetic macularedema (DME) switching fromother anti-VEGF agentsMichael Javaheri, MDPoster PresentationDate: May 5Time: 3:00–4:45 PM MSTSession: Diabetic Macular Edema: Anti-VEGFEconomic benefit of aflibercept8 mg versus faricimab in thetreatment of patients withneovascular age-relatedmacular degeneration (nAMD)or diabetic macular edema(DME) in the United StatesAndreas KuznikPaper PresentationDate: May 5Time: 4:00–4:15 PM MSTSession: Economic Impact of AI Tools and TreatmentsEarly real-world use ofaflibercept 8mg in treatment-naïve patients with neovascularage-related maculardegenerationFerhina Ali, MDPoster PresentationDate: May 6Time: 8:30–10:15 AM MSTSession: AMD 2 (anti-VEGF)Early insights from real-worlduse of aflibercept 8mg amongeyes with neovascular age-related macular degeneration(nAMD) switching from otheranti-VEGF agentsTheodore Leng, MDPoster PresentationDate: May 6Time: 8:30–10:15 AM MSTSession: AMD 2 (anti-VEGF)Network meta-analyses (NMAs)of number of injections (NoI)with high-dose (HD) aflibercept(AFL) versus faricimab (FAR) inpatients with diabetic macularedema (DME) and neovascularage-related maculardegeneration (nAMD)Steven ShermanPoster PresentationDate: May 8 Time: 8:00–9:45 AM MSTSession: Telemedicine, Health Service Delivery and Health Economic StudiesVolumetric fluid assessmentcomparing high-dose afliberceptto standard dose aflibercept inneovascular age-relatedmacular degeneration in theCANDELA phase 2 trialJohn Mamone, MDPoster Presentation Date: May 4 Time: 1:00–2:45 PM MSTSession: AMD 1 (Clinical Research)PULSAR extension: clinicalimprovements maintained over156 weeks with aflibercept 8 mgin patients with neovascularage-related maculardegeneration*Timothy Lai, MDPaper PresentationDate: May 4Time: 1:00–1:15 PM MSTSession: AMD antiVEGF IA PULSAR phase 3 trial post-hoc analysis: evaluating thetiming and magnitude of controlof disease activity withaflibercept 8 mg and faricimab,applying similar disease activitycriteria across different pivotalPhase 3 trials for nAMD*Jean-Francois Korobelnik, MDPaper PresentationDate: May 4Time: 1:15–1:30 PM MSTSession: AMD antiVEGF ISPECTRUM: early clinicalexperience from the first globalreal-world study of aflibercept 8mg in patients with treatment-naïve neovascular age-relatedmacular degeneration*Vasileois Konidaris, MDPaper PresentationDate: May 4Time: 1:30–1:45 PM MSTSession: AMD antiVEGF ISPECTRUM: early clinicalexperience from the first globalreal-world study of aflibercept 8mg in patients with pretreatedneovascular age-relatedmacular degeneration*Clare Bailey, MDPaper PresentationDate: May 5Time: 3:00–3:15 PM MSTSession: AMD antiVEGF IIAflibercept 8 mg in diabeticmacular edema: 156-weekresults from the PHOTONextension studyGhassan Ghorayeb, MDPoster PresentationDate: May 5Time: 3:00–4:45 PM MSTSession: Retina: Physiology and PharmacologyIntraocular pressure outcomeswith aflibercept 8 mg and 2 mgin patients with diabetic macularedema through week 96 of thephase 2/3 PHOTON trialAnita Barikian, MDPoster PresentationDate: May 5 Time: 3:00–4:45 PM MSTSession: Diabetic Macular Edema: Anti-VEGFDifferential anatomic responseto aflibercept 8 mg versus 2 mgduring the matched dosingphase of the PHOTON trial inpatients with diabetic macularedema who subsequently metcriteria for shorteningDilsher Dhoot, MDPoster PresentationDate: May 5Time: 3:00–4:45 PM MSTSession: Diabetic Macular Edema: Anti-VEGFSPECTRUM: early clinicalexperience from the first globalreal-world study of aflibercept 8mg in patients with treatment-naïve diabetic macular edema*Aires Lobo, MDPoster PresentationDate: May 5Time: 3:00–4:45 PM MSTSession: Diabetic Macular Edema: Anti-VEGFSPECTRUM: early clinicalexperience from the first globalreal-world study of aflibercept 8mg in patients with pretreateddiabetic macular edema*Thomas Dervos, MDPoster Presentation:Date: May 5Time: 3:00–4:45 PM MSTSession: Diabetic Macular Edema: Anti-VEGFRapid fluid resolution withaflibercept 8 mg may beassociated with extended dosingintervals at W96 in nAMD: aPULSAR post-hoc analysis*Michael Stewart, MDPoster PresentationDate: May 6Time: 8:30–10:15 AM MSTSession: AMD 2 (anti-VEGF)Greater and more durable fluidresolution with aflibercept 8 mgversus aflibercept 2 mg in thePULSAR trial: a 96-week post-hoc analysis*Richard Gale, MDPoster PresentationDate: May 6Time: 8:30–10:15 AM MSTSession: AMD 2 (anti-VEGF)Clinical outcomes withaflibercept 8 mg and aflibercept2 mg are generally comparablein patients grouped by CNVtype: a post hoc analysis of the96-week PULSAR trial*Sobha Sivaprasad, MDPoster PresentationDate: May 6Time: 8:30–10:15 AM MSTSession: AMD 2 (anti-VEGF)A pooled analysis of theCANDELA, PHOTON, andPULSAR trials through 96weeks: comparably lowintraocular inflammation (IOI)-related events with aflibercept 8mg and 2 mg*Justus Garweg, MDPoster PresentationDate: May 6Time: 8:30–10:15 AM MSTSession: AMD 2 (anti-VEGF)Baseline characteristics andoutcomes of patients treatedwith aflibercept 8 mg atshortened, maintained, orextended dosing intervalsthrough 96 weeks in PHOTONMark Barakat, MDPaper PresentationDate: May 7Time: 11:15–11:30 AM MSTSession: Diabetic Macular Edema: Anti-VEGFWeek 96 outcomes inaflibercept 8 mg- and 2 mg-treated patients by prior DMEtreatment status: a subgroupanalysis of the phase 2/3PHOTON trialManjot Gill, MDPaper PresentationDate: May 7Time: 11:30–11:45 AM MSTSession: Diabetic Macular Edema: Anti-VEGFLower socioeconomic status isassociated with increasedbevacizumab use amongpatients initiating anti-vascularendothelial growth factor (anti-VEGF) therapy for diabeticmacular edema (DME)Judy Kim, MDPaper PresentationDate: May 7 Time: 11:45–12:00 PM MSTSession: Diabetic Macular Edema: Anti-VEGFA pooled analysis of thePULSAR and PHOTON trialsthrough 96 weeks: Minimalimpact of aflibercept 8 mg and 2mg on intraocular pressurechanges *Sergio Leal, MDPoster PresentationDate: May 8Time: 2:00–3:45 PM MSTSession: AMD 5 (Clinical Research) *Bayer-run trial About the EYLEA HD Clinical Trial Program PULSAR in wAMD and PHOTON in DME/diabetic retinopathy (DR) are double-masked, active-controlled pivotal trials that were conducted in multiple centers globally. In both trials, patients were randomized into 3 treatment groups to receive either: EYLEA HD every 3 months, EYLEA HD every 4 months, or EYLEA every 2 months. The lead sponsors of the trials were Bayer for PULSAR and Regeneron for PHOTON. Patients treated with EYLEA HD in both trials had 3 initial monthly doses, and patients treated with EYLEA received 3 initial doses in PULSAR and 5 in PHOTON. In the first year, patients in the EYLEA HD groups could have their dosing intervals shortened down to an every 2-month interval if protocol-defined criteria for disease progression were observed. Intervals could not be extended until the second year of the trial. Patients in all EYLEA groups maintained a fixed 2-month dosing regimen throughout their participation in the two-year trials. In both trials, there was an optional extension study starting at week 96, with all participating patients receiving EYLEA HD through week 156. Patients initially randomized to EYLEA in PULSAR, were switched to EYLEA HD at the start of the extension study and immediately assigned to a 3-month dosing interval. Dosing intervals for all patients in the extension study could be shortened or extended by 2-week increments if protocol-defined criteria were met, with a minimum dosing interval of every 2 months and a maximum dosing interval of every 6 months. CANDELA was a Regeneron-sponsored Phase 2 trial investigating the safety and efficacy of EYLEA HD extended dosing regimens compared to EYLEA in wAMD patients. About wAMD and Diabetic Eye Disease wAMD is a retinal disease that may affect people as they age. It occurs when abnormal blood vessels grow and leak fluid under the macula, the part of the eye responsible for sharp central vision and seeing fine detail. This fluid can damage and scar the macula, which can cause vision loss. An estimated 1.4 million Americans have wAMD. DR is an eye disease characterized by microvascular damage to the blood vessels in the retina often caused by poor blood sugar control in people with diabetes. The disease generally starts as nonproliferative diabetic retinopathy (NPDR) and often has no warning signs or symptoms. NPDR may progress to proliferative diabetic retinopathy (PDR), a stage of the disease in which abnormal blood vessels grow onto the surface of the retina and into the vitreous cavity, potentially causing severe vision loss. DME can occur at any stage of DR as the blood vessels in the retina become increasingly fragile and leak fluid, potentially causing visual impairment. In the U.S., approximately 1.5 million adults are diagnosed with DME, while approximately 6 million people have DR without DME. About EYLEA HD Over a decade ago, Regeneron introduced EYLEA, a vascular endothelial growth factor inhibitor, and transformed the treatment paradigm for certain serious chorioretinal vascular diseases. With a well-established efficacy and consistent safety profile from 16 pivotal trials, EYLEA is approved to treat vision-threatening conditions that impact patients from their earliest days, such as retinopathy of prematurity (ROP), to their later years, including diabetic macular edema (DME), diabetic retinopathy (DR), macular edema following retinal vein occlusion (RVO) and wet age-related macular degeneration (wAMD). Pushing the boundaries of science further to meet patient needs, EYLEA HD was developed to achieve comparable efficacy and safety to EYLEA, but with fewer injections. EYLEA HD is supported by a robust body of research and is currently approved in the U.S. to treat patients with wAMD, DME and DR. EYLEA HD (known as Eylea™ 8 mg in the European Union and Japan) is being jointly developed by Regeneron and Bayer AG. Regeneron maintains exclusive rights to EYLEA and EYLEA HD in the U.S. Bayer has licensed the exclusive marketing rights outside of the U.S., where the companies share equally the profits from sales of EYLEA and EYLEA HD. About Ophthalmology Development at Regeneron At Regeneron, we relentlessly pursue groundbreaking innovations in eye care science to help maintain the eye health of the millions of Americans impacted by vision-threatening conditions. Our expertise in angiogenesis and decades of research serve as our foundation, fueling our ongoing ambition to further innovate new solutions for patients. Our robust and diverse research and development program in ophthalmology includes efforts to potentially address additional serious eye diseases, including geographic atrophy (ongoing Phase 3 SIENNA clinical trial), glaucoma and certain inherited retinal diseases. IMPORTANT SAFETY INFORMATION AND INDICATIONS INDICATIONSEYLEA HD® (aflibercept) Injection 8 mg is a prescription medicine approved for the treatment of patients with Wet Age-Related Macular Degeneration (AMD), Diabetic Macular Edema (DME), and Diabetic Retinopathy (DR). EYLEA® (aflibercept) Injection 2 mg is a prescription medicine approved for the treatment of patients with Wet Age-Related Macular Degeneration (AMD), Macular Edema following Retinal Vein Occlusion (RVO), Diabetic Macular Edema (DME), Diabetic Retinopathy (DR), and Retinopathy of Prematurity (ROP) (0.4 mg). IMPORTANT SAFETY INFORMATION EYLEA HD and EYLEA are administered by injection into the eye. You should not use EYLEA HD or EYLEA if you have an infection in or around the eye, eye pain or redness, or known allergies to any of the ingredients in EYLEA HD or EYLEA, including aflibercept.Injections into the eye with EYLEA HD or EYLEA can result in an infection in the eye, retinal detachment (separation of retina from back of the eye) and, more rarely, serious inflammation of blood vessels in the retina that may include blockage. Call your doctor right away if you or your baby (if being treated with EYLEA for Retinopathy of Prematurity) experience eye pain or redness, light sensitivity, or a change in vision after an injection.In some patients, injections with EYLEA HD or EYLEA may cause a temporary increase in eye pressure within 1 hour of the injection. Sustained increases in eye pressure have been reported with repeated injections, and your doctor may monitor this after each injection.In infants with Retinopathy of Prematurity (ROP), treatment with EYLEA will need extended periods of ROP monitoring.There is a potential but rare risk of serious and sometimes fatal side effects, related to blood clots, leading to heart attack or stroke in patients receiving EYLEA HD or EYLEA.The most common side effects reported in patients receiving EYLEA HD were cataract, increased redness in the eye, increased pressure in the eye, eye discomfort, pain, or irritation, blurred vision, vitreous (gel-like substance) floaters, vitreous detachment, injury to the outer layer of the eye, and bleeding in the back of the eye.The most common side effects reported in patients receiving EYLEA were increased redness in the eye, eye pain, cataract, vitreous detachment, vitreous floaters, moving spots in the field of vision, and increased pressure in the eye.The most common side effects reported in pre-term infants with ROP receiving EYLEA were separation of the retina from the back of the eye, increased redness in the eye, and increased pressure in the eye. Side effects that occurred in adults are considered applicable to pre-term infants with ROP, though not all were seen in clinical studies.You may experience temporary visual changes after an EYLEA HD or EYLEA injection and associated eye exams; do not drive or use machinery until your vision recovers sufficiently.For additional safety information, please talk to your doctor and see the full Prescribing Information for EYLEA HD and EYLEA. You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch or call 1-800-FDA-1088. Please click here for full Prescribing Information for EYLEA HD and EYLEA. About RegeneronRegeneron (NASDAQ: REGN) is a leading biotechnology company that invents, develops and commercializes life-transforming medicines for people with serious diseases. Founded and led by physician-scientists, our unique ability to repeatedly and consistently translate science into medicine has led to numerous approved treatments and product candidates in development, most of which were homegrown in our laboratories. Our medicines and pipeline are designed to help patients with eye diseases, allergic and inflammatory diseases, cancer, cardiovascular and metabolic diseases, neurological diseases, hematologic conditions, infectious diseases, and rare diseases. Regeneron pushes the boundaries of scientific discovery and accelerates drug development using our proprietary technologies, such as VelociSuite®, which produces optimized fully human antibodies and new classes of bispecific antibodies. We are shaping the next frontier of medicine with data-powered insights from the Regeneron Genetics Center® and pioneering genetic medicine platforms, enabling us to identify innovative targets and complementary approaches to potentially treat or cure diseases. For more information, please visit www.Regeneron.com or follow Regeneron on LinkedIn, Instagram, Facebook or X. Forward-Looking Statements and Use of Digital MediaThis press release includes forward-looking statements that involve risks and uncertainties relating to future events and the future performance of Regeneron Pharmaceuticals, Inc. (“Regeneron” or the “Company”), and actual events or results may differ materially from these forward-looking statements. Words such as “anticipate,” “expect,” “intend,” “plan,” “believe,” “seek,” “estimate,” variations of such words, and similar expressions are intended to identify such forward-looking statements, although not all forward-looking statements contain these identifying words. These statements concern, and these risks and uncertainties include, among others, the nature, timing, and possible success and therapeutic applications of products marketed or otherwise commercialized by Regeneron and/or its collaborators or licensees (collectively, “Regeneron’s Products”) and product candidates being developed by Regeneron and/or its collaborators or licensees (collectively, “Regeneron’s Product Candidates”) and research and clinical programs now underway or planned, including without limitation EYLEA HD® (aflibercept) Injection 8 mg; uncertainty of the utilization, market acceptance, and commercial success of Regeneron’s Products (such as EYLEA HD) and Regeneron’s Product Candidates and the impact of studies (whether conducted by Regeneron or others and whether mandated or voluntary), including the studies discussed or referenced in this press release, on any of the foregoing; the likelihood, timing, and scope of possible regulatory approval and commercial launch of Regeneron’s Product Candidates and new indications for Regeneron’s Products; the ability of Regeneron’s collaborators, licensees, suppliers, or other third parties (as applicable) to perform manufacturing, filling, finishing, packaging, labeling, distribution, and other steps related to Regeneron’s Products and Regeneron’s Product Candidates; the ability of Regeneron to manage supply chains for multiple products and product candidates; safety issues resulting from the administration of Regeneron’s Products (such as EYLEA HD) and Regeneron’s Product Candidates in patients, including serious complications or side effects in connection with the use of Regeneron’s Products and Regeneron’s Product Candidates in clinical trials; determinations by regulatory and administrative governmental authorities which may delay or restrict Regeneron’s ability to continue to develop or commercialize Regeneron’s Products and Regeneron’s Product Candidates; ongoing regulatory obligations and oversight impacting Regeneron’s Products, research and clinical programs, and business, including those relating to patient privacy; the availability and extent of reimbursement of Regeneron’s Products from third-party payers, including private payer healthcare and insurance programs, health maintenance organizations, pharmacy benefit management companies, and government programs such as Medicare and Medicaid; coverage and reimbursement determinations by such payers and new policies and procedures adopted by such payers; changes in laws, regulations, and policies affecting the healthcare industry; competing drugs and product candidates that may be superior to, or more cost effective than, Regeneron’s Products and Regeneron’s Product Candidates (including biosimilar versions of Regeneron’s Products); the extent to which the results from the research and development programs conducted by Regeneron and/or its collaborators or licensees may be replicated in other studies and/or lead to advancement of product candidates to clinical trials, therapeutic applications, or regulatory approval; unanticipated expenses; the costs of developing, producing, and selling products; the ability of Regeneron to meet any of its financial projections or guidance and changes to the assumptions underlying those projections or guidance; the potential for any license, collaboration, or supply agreement, including Regeneron’s agreements with Sanofi and Bayer (or their respective affiliated companies, as applicable), to be cancelled or terminated; the impact of public health outbreaks, epidemics, or pandemics on Regeneron's business; and risks associated with litigation and other proceedings and government investigations relating to the Company and/or its operations (including the pending civil proceedings initiated or joined by the U.S. Department of Justice and the U.S. Attorney's Office for the District of Massachusetts), risks associated with intellectual property of other parties and pending or future litigation relating thereto (including without limitation the patent litigation and other related proceedings relating to EYLEA® (aflibercept) Injection 2 mg), the ultimate outcome of any such proceedings and investigations, and the impact any of the foregoing may have on Regeneron’s business, prospects, operating results, and financial condition. A more complete description of these and other material risks can be found in Regeneron’s filings with the U.S. Securities and Exchange Commission, including its Form 10-K for the year ended December 31, 2024. Any forward-looking statements are made based on management’s current beliefs and judgment, and the reader is cautioned not to rely on any forward-looking statements made by Regeneron. Regeneron does not undertake any obligation to update (publicly or otherwise) any forward-looking statement, including without limitation any financial projection or guidance, whether as a result of new information, future events, or otherwise. Regeneron uses its media and investor relations website and social media outlets to publish important information about the Company, including information that may be deemed material to investors. Financial and other information about Regeneron is routinely posted and is accessible on Regeneron's media and investor relations website (https://investor.regeneron.com) and its LinkedIn page (https://www.linkedin.com/company/regeneron-pharmaceuticals). Contacts:Media RelationsJulie BlockTel: +1 914-826-7083julie.block@regeneron.comInvestor RelationsMark HudsonTel: +1 914-847-3482mark.hudson@regeneron.com

Initial real-world data from nearly 40,000 EYLEA HD patients will provide early insights on effectiveness of EYLEA HD in everyday clinical practice New indirect comparisons will evaluate EYLEA HD and faricimab on measures of efficacy, dosing frequency and potential economic benefits in patients with wet age-related macular degeneration and diabetic macular edema TARRYTOWN, N.Y. , April 28, 2025 (GLOBE NEWSWIRE) -- Regeneron Pharmaceuticals, Inc. (NASDAQ: REGN) today announced the upcoming presentation of 27 abstracts, including eight oral presentations on EYLEA HD® (aflibercept) Injection 8 mg in wet age-related macular degeneration (wAMD), diabetic macular edema (DME) and diabetic retinopathy (DR). Among the new results and analyses are initial insights on the real-world use of EYLEA HD in clinical practice, which reinforce the outcomes seen in pivotal trials. These data will be presented at the Association for Research in Vision and Ophthalmology (ARVO) 2025 Annual Meeting from May 4 to 8 in Salt Lake City . "Our data presentations at ARVO reflect the robust and rapidly growing body of evidence that support the use of EYLEA HD becoming the new standard of care for people living with wet age-related macular degeneration, diabetic macular edema and diabetic retinopathy,” said Boaz Hirshberg , M.D., Senior Vice President, Clinical Development, Internal Medicine at Regeneron . “This includes new analyses examining the initial real-world experiences of nearly 40,000 patients treated with EYLEA HD showing, in everyday clinical practice, a positive impact through improved vision and longer dosing intervals for patients. Although early, these data reinforce the value EYLEA HD is bringing to patients with serious retinal diseases.” Notable new presentations at ARVO include: Four analyses evaluating initial real-world experiences with EYLEA HD among patients with wAMD or DME, including both those who were previously naive to treatment and those who switched from other anti-vascular endothelial growth factor (VEGF) therapies A network meta-analysis indirectly comparing the efficacy and number of injections received for EYLEA HD and faricimab in patients with DME or wAMD, based on the longest follow-up data from Phase 3 clinical trials A modeling analysis of the potential economic benefit of EYLEA HD compared to faricimab for the treatment of patients with wAMD or DME in the U.S. over three years The most common adverse reactions (≥3%) reported in patients treated with EYLEA HD were cataract, conjunctival hemorrhage, intraocular pressure increased, ocular discomfort/eye pain/eye irritation, vision blurred, vitreous floaters, vitreous detachment, corneal epithelium defect and retinal hemorrhage. Key EYLEA HD presentations at ARVO: *Bayer-run trial About the EYLEA HD Clinical Trial Program PULSAR in wAMD and PHOTON in DME/diabetic retinopathy (DR) are double-masked, active-controlled pivotal trials that were conducted in multiple centers globally. In both trials, patients were randomized into 3 treatment groups to receive either: EYLEA HD every 3 months, EYLEA HD every 4 months, or EYLEA every 2 months. The lead sponsors of the trials were Bayer for PULSAR and Regeneron for PHOTON. Patients treated with EYLEA HD in both trials had 3 initial monthly doses, and patients treated with EYLEA received 3 initial doses in PULSAR and 5 in PHOTON. In the first year, patients in the EYLEA HD groups could have their dosing intervals shortened down to an every 2-month interval if protocol-defined criteria for disease progression were observed. Intervals could not be extended until the second year of the trial. Patients in all EYLEA groups maintained a fixed 2-month dosing regimen throughout their participation in the two-year trials. In both trials, there was an optional extension study starting at week 96, with all participating patients receiving EYLEA HD through week 156. Patients initially randomized to EYLEA in PULSAR, were switched to EYLEA HD at the start of the extension study and immediately assigned to a 3-month dosing interval. Dosing intervals for all patients in the extension study could be shortened or extended by 2-week increments if protocol-defined criteria were met, with a minimum dosing interval of every 2 months and a maximum dosing interval of every 6 months. CANDELA was a Regeneron -sponsored Phase 2 trial investigating the safety and efficacy of EYLEA HD extended dosing regimens compared to EYLEA in wAMD patients. About wAMD and Diabetic Eye Disease wAMD is a retinal disease that may affect people as they age. It occurs when abnormal blood vessels grow and leak fluid under the macula, the part of the eye responsible for sharp central vision and seeing fine detail. This fluid can damage and scar the macula, which can cause vision loss. An estimated 1.4 million Americans have wAMD. DR is an eye disease characterized by microvascular damage to the blood vessels in the retina often caused by poor blood sugar control in people with diabetes. The disease generally starts as nonproliferative diabetic retinopathy (NPDR) and often has no warning signs or symptoms. NPDR may progress to proliferative diabetic retinopathy (PDR), a stage of the disease in which abnormal blood vessels grow onto the surface of the retina and into the vitreous cavity, potentially causing severe vision loss. DME can occur at any stage of DR as the blood vessels in the retina become increasingly fragile and leak fluid, potentially causing visual impairment. In the U.S. , approximately 1.5 million adults are diagnosed with DME, while approximately 6 million people have DR without DME. About EYLEA HD Over a decade ago, Regeneron introduced EYLEA, a vascular endothelial growth factor inhibitor, and transformed the treatment paradigm for certain serious chorioretinal vascular diseases. With a well-established efficacy and consistent safety profile from 16 pivotal trials, EYLEA is approved to treat vision-threatening conditions that impact patients from their earliest days, such as retinopathy of prematurity (ROP), to their later years, including diabetic macular edema (DME), diabetic retinopathy (DR), macular edema following retinal vein occlusion (RVO) and wet age-related macular degeneration (wAMD). Pushing the boundaries of science further to meet patient needs, EYLEA HD was developed to achieve comparable efficacy and safety to EYLEA, but with fewer injections. EYLEA HD is supported by a robust body of research and is currently approved in the U.S. to treat patients with wAMD, DME and DR. EYLEA HD (known as Eylea™ 8 mg in the European Union and Japan ) is being jointly developed by Regeneron and Bayer AG. Regeneron maintains exclusive rights to EYLEA and EYLEA HD in the U.S. Bayer has licensed the exclusive marketing rights outside of the U.S. , where the companies share equally the profits from sales of EYLEA and EYLEA HD. About Ophthalmology Development at Regeneron At Regeneron , we relentlessly pursue groundbreaking innovations in eye care science to help maintain the eye health of the millions of Americans impacted by vision-threatening conditions. Our expertise in angiogenesis and decades of research serve as our foundation, fueling our ongoing ambition to further innovate new solutions for patients. Our robust and diverse research and development program in ophthalmology includes efforts to potentially address additional serious eye diseases, including geographic atrophy (ongoing Phase 3 SIENNA clinical trial), glaucoma and certain inherited retinal diseases. IMPORTANT SAFETY INFORMATION AND INDICATIONS INDICATIONSEYLEA HD® (aflibercept) Injection 8 mg is a prescription medicine approved for the treatment of patients with Wet Age-Related Macular Degeneration (AMD), Diabetic Macular Edema (DME), and Diabetic Retinopathy (DR). EYLEA® (aflibercept) Injection 2 mg is a prescription medicine approved for the treatment of patients with Wet Age-Related Macular Degeneration (AMD), Macular Edema following Retinal Vein Occlusion (RVO), Diabetic Macular Edema (DME), Diabetic Retinopathy (DR), and Retinopathy of Prematurity (ROP) (0.4 mg). IMPORTANT SAFETY INFORMATION EYLEA HD and EYLEA are administered by injection into the eye. You should not use EYLEA HD or EYLEA if you have an infection in or around the eye, eye pain or redness, or known allergies to any of the ingredients in EYLEA HD or EYLEA, including aflibercept. Injections into the eye with EYLEA HD or EYLEA can result in an infection in the eye, retinal detachment (separation of retina from back of the eye) and, more rarely, serious inflammation of blood vessels in the retina that may include blockage. Call your doctor right away if you or your baby (if being treated with EYLEA for Retinopathy of Prematurity) experience eye pain or redness, light sensitivity, or a change in vision after an injection. In some patients, injections with EYLEA HD or EYLEA may cause a temporary increase in eye pressure within 1 hour of the injection. Sustained increases in eye pressure have been reported with repeated injections, and your doctor may monitor this after each injection. In infants with Retinopathy of Prematurity (ROP), treatment with EYLEA will need extended periods of ROP monitoring. There is a potential but rare risk of serious and sometimes fatal side effects, related to blood clots, leading to heart attack or stroke in patients receiving EYLEA HD or EYLEA. The most common side effects reported in patients receiving EYLEA HD were cataract, increased redness in the eye, increased pressure in the eye, eye discomfort, pain, or irritation, blurred vision, vitreous (gel-like substance) floaters, vitreous detachment, injury to the outer layer of the eye, and bleeding in the back of the eye. The most common side effects reported in patients receiving EYLEA were increased redness in the eye, eye pain, cataract, vitreous detachment, vitreous floaters, moving spots in the field of vision, and increased pressure in the eye. The most common side effects reported in pre-term infants with ROP receiving EYLEA were separation of the retina from the back of the eye, increased redness in the eye, and increased pressure in the eye. Side effects that occurred in adults are considered applicable to pre-term infants with ROP, though not all were seen in clinical studies. You may experience temporary visual changes after an EYLEA HD or EYLEA injection and associated eye exams; do not drive or use machinery until your vision recovers sufficiently. For additional safety information, please talk to your doctor and see the full Prescribing Information for EYLEA HD and EYLEA. You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch or call 1-800-FDA-1088. Please click here for full Prescribing Information for EYLEA HD and EYLEA. About Regeneron Regeneron (NASDAQ: REGN) is a leading biotechnology company that invents, develops and commercializes life-transforming medicines for people with serious diseases. Founded and led by physician-scientists, our unique ability to repeatedly and consistently translate science into medicine has led to numerous approved treatments and product candidates in development, most of which were homegrown in our laboratories. Our medicines and pipeline are designed to help patients with eye diseases, allergic and inflammatory diseases, cancer, cardiovascular and metabolic diseases, neurological diseases, hematologic conditions, infectious diseases, and rare diseases. Regeneron pushes the boundaries of scientific discovery and accelerates drug development using our proprietary technologies, such as VelociSuite®, which produces optimized fully human antibodies and new classes of bispecific antibodies. We are shaping the next frontier of medicine with data-powered insights from the Regeneron Genetics Center® and pioneering genetic medicine platforms, enabling us to identify innovative targets and complementary approaches to potentially treat or cure diseases. For more information, please visit www.Regeneron.com or follow Regeneron on LinkedIn, Instagram, Facebook or X. Forward-Looking Statements and Use of Digital MediaThis press release includes forward-looking statements that involve risks and uncertainties relating to future events and the future performance of Regeneron Pharmaceuticals, Inc. (“Regeneron” or the “Company”), and actual events or results may differ materially from these forward-looking statements. Words such as “anticipate,” “expect,” “intend,” “plan,” “believe,” “seek,” “estimate,” variations of such words, and similar expressions are intended to identify such forward-looking statements, although not all forward-looking statements contain these identifying words. These statements concern, and these risks and uncertainties include, among others, the nature, timing, and possible success and therapeutic applications of products marketed or otherwise commercialized by Regeneron and/or its collaborators or licensees (collectively, “Regeneron’s Products”) and product candidates being developed by Regeneron and/or its collaborators or licensees (collectively, “Regeneron’s Product Candidates”) and research and clinical programs now underway or planned, including without limitation EYLEA HD® (aflibercept) Injection 8 mg; uncertainty of the utilization, market acceptance, and commercial success of Regeneron’s Products (such as EYLEA HD) and Regeneron’s Product Candidates and the impact of studies (whether conducted by Regeneron or others and whether mandated or voluntary), including the studies discussed or referenced in this press release, on any of the foregoing; the likelihood, timing, and scope of possible regulatory approval and commercial launch of Regeneron’s Product Candidates and new indications for Regeneron’s Products; the ability of Regeneron’s collaborators, licensees, suppliers, or other third parties (as applicable) to perform manufacturing, filling, finishing, packaging, labeling, distribution, and other steps related to Regeneron’s Products and Regeneron’s Product Candidates; the ability of Regeneron to manage supply chains for multiple products and product candidates; safety issues resulting from the administration of Regeneron’s Products (such as EYLEA HD) and Regeneron’s Product Candidates in patients, including serious complications or side effects in connection with the use of Regeneron’s Products and Regeneron’s Product Candidates in clinical trials; determinations by regulatory and administrative governmental authorities which may delay or restrict Regeneron’s ability to continue to develop or commercialize Regeneron’s Products and Regeneron’s Product Candidates; ongoing regulatory obligations and oversight impacting Regeneron’s Products, research and clinical programs, and business, including those relating to patient privacy; the availability and extent of reimbursement of Regeneron’s Products from third-party payers, including private payer healthcare and insurance programs, health maintenance organizations, pharmacy benefit management companies, and government programs such as Medicare and Medicaid; coverage and reimbursement determinations by such payers and new policies and procedures adopted by such payers; changes in laws, regulations, and policies affecting the healthcare industry; competing drugs and product candidates that may be superior to, or more cost effective than, Regeneron’s Products and Regeneron’s Product Candidates (including biosimilar versions of Regeneron’s Products); the extent to which the results from the research and development programs conducted by Regeneron and/or its collaborators or licensees may be replicated in other studies and/or lead to advancement of product candidates to clinical trials, therapeutic applications, or regulatory approval; unanticipated expenses; the costs of developing, producing, and selling products; the ability of Regeneron to meet any of its financial projections or guidance and changes to the assumptions underlying those projections or guidance; the potential for any license, collaboration, or supply agreement, including Regeneron’s agreements with Sanofi and Bayer (or their respective affiliated companies, as applicable), to be cancelled or terminated; the impact of public health outbreaks, epidemics, or pandemics on Regeneron 's business; and risks associated with litigation and other proceedings and government investigations relating to the Company and/or its operations (including the pending civil proceedings initiated or joined by the U.S. Department of Justice and the U.S. Attorney's Office for the District of Massachusetts ), risks associated with intellectual property of other parties and pending or future litigation relating thereto (including without limitation the patent litigation and other related proceedings relating to EYLEA® (aflibercept) Injection 2 mg), the ultimate outcome of any such proceedings and investigations, and the impact any of the foregoing may have on Regeneron’s business, prospects, operating results, and financial condition. A more complete description of these and other material risks can be found in Regeneron’s filings with the U.S. Securities and Exchange Commission , including its Form 10-K for the year ended December 31, 2024 . Any forward-looking statements are made based on management’s current beliefs and judgment, and the reader is cautioned not to rely on any forward-looking statements made by Regeneron . Regeneron does not undertake any obligation to update (publicly or otherwise) any forward-looking statement, including without limitation any financial projection or guidance, whether as a result of new information, future events, or otherwise. Regeneron uses its media and investor relations website and social media outlets to publish important information about the Company, including information that may be deemed material to investors. Financial and other information about Regeneron is routinely posted and is accessible on Regeneron 's media and investor relations website (https://investor.regeneron.com) and its LinkedIn page (https://www.linkedin.com/company/regeneron-pharmaceuticals). Source: Regeneron Pharmaceuticals, Inc.

TARRYTOWN, N.Y. , April 18, 2025 (GLOBE NEWSWIRE) -- Regeneron Pharmaceuticals, Inc. (NASDAQ: REGN) today announced that the U.S. Food and Drug Administration (FDA) has issued a complete response letter (CRL) regarding the supplemental Biologics License Application (sBLA) for the addition of extended dosing intervals (up to every 24 weeks) for EYLEA HD® (aflibercept) Injection 8 mg across all approved indications. The CRL did not identify any issues with the safety or efficacy of EYLEA HD in its approved indications and dosing regimens. The FDA did not agree with Regeneron’s proposal to add additional extended dosing intervals (greater than every 16 weeks, which is the maximum dosing interval currently indicated in the label). Regeneron is evaluating the FDA’s decision and will determine a path forward in due course. EYLEA HD is approved with dosing intervals from every 8 to 16 weeks for patients with wet age-related macular degeneration (wAMD) and diabetic macular edema (DME), and every 8 to 12 weeks for patients with diabetic retinopathy (DR), following 3 initial monthly doses. About EYLEA HD Over a decade ago, Regeneron introduced EYLEA, a vascular endothelial growth factor inhibitor, and transformed the treatment paradigm for certain serious chorioretinal vascular diseases. With a well-established efficacy and consistent safety profile from 16 pivotal trials, EYLEA is approved to treat vision-threatening conditions that impact patients from their earliest days, such as retinopathy of prematurity (ROP), to their later years, including diabetic macular edema (DME), diabetic retinopathy (DR), macular edema following retinal vein occlusion (RVO) and wet age-related macular degeneration (wAMD). Pushing the boundaries of science further to meet patient needs, EYLEA HD was developed to achieve comparable efficacy and safety to EYLEA, but with fewer injections. EYLEA HD is supported by a robust body of research and is currently approved in the U.S. to treat patients with wAMD, DME and DR. EYLEA HD (known as Eylea™ 8 mg in the European Union and Japan ) is being jointly developed by Regeneron and Bayer AG. Regeneron maintains exclusive rights to EYLEA and EYLEA HD in the U.S. Bayer has licensed the exclusive marketing rights outside of the U.S. , where the companies share equally the profits from sales of EYLEA and EYLEA HD. About Ophthalmology Development at Regeneron At Regeneron , we relentlessly pursue groundbreaking innovations in eye care science to help maintain the eye health of the millions of Americans impacted by vision-threatening conditions. Our expertise in angiogenesis and decades of research serve as our foundation, fueling our ongoing ambition to further innovate new solutions for patients. Our robust and diverse research and development program in ophthalmology includes efforts to potentially address additional serious eye diseases, including geographic atrophy (ongoing Phase 3 SIENNA clinical trial), glaucoma and certain inherited retinal diseases. IMPORTANT SAFETY INFORMATION AND INDICATIONS INDICATIONSEYLEA HD® (aflibercept) Injection 8 mg is a prescription medicine approved for the treatment of patients with Wet Age-Related Macular Degeneration (AMD), Diabetic Macular Edema (DME), and Diabetic Retinopathy (DR). EYLEA® (aflibercept) Injection 2 mg is a prescription medicine approved for the treatment of patients with Wet Age-Related Macular Degeneration (AMD), Macular Edema following Retinal Vein Occlusion (RVO), Diabetic Macular Edema (DME), Diabetic Retinopathy (DR), and Retinopathy of Prematurity (ROP) (0.4 mg). IMPORTANT SAFETY INFORMATION EYLEA HD and EYLEA are administered by injection into the eye. You should not use EYLEA HD or EYLEA if you have an infection in or around the eye, eye pain or redness, or known allergies to any of the ingredients in EYLEA HD or EYLEA, including aflibercept. Injections into the eye with EYLEA HD or EYLEA can result in an infection in the eye, retinal detachment (separation of retina from back of the eye) and, more rarely, serious inflammation of blood vessels in the retina that may include blockage. Call your doctor right away if you or your baby (if being treated with EYLEA for Retinopathy of Prematurity) experience eye pain or redness, light sensitivity, or a change in vision after an injection. In some patients, injections with EYLEA HD or EYLEA may cause a temporary increase in eye pressure within 1 hour of the injection. Sustained increases in eye pressure have been reported with repeated injections, and your doctor may monitor this after each injection. In infants with Retinopathy of Prematurity (ROP), treatment with EYLEA will need extended periods of ROP monitoring. There is a potential but rare risk of serious and sometimes fatal side effects, related to blood clots, leading to heart attack or stroke in patients receiving EYLEA HD or EYLEA. The most common side effects reported in patients receiving EYLEA HD were cataract, increased redness in the eye, increased pressure in the eye, eye discomfort, pain, or irritation, blurred vision, vitreous (gel-like substance) floaters, vitreous detachment, injury to the outer layer of the eye, and bleeding in the back of the eye. The most common side effects reported in patients receiving EYLEA were increased redness in the eye, eye pain, cataract, vitreous detachment, vitreous floaters, moving spots in the field of vision, and increased pressure in the eye. The most common side effects reported in pre-term infants with ROP receiving EYLEA were separation of the retina from the back of the eye, increased redness in the eye, and increased pressure in the eye. Side effects that occurred in adults are considered applicable to pre-term infants with ROP, though not all were seen in clinical studies. You may experience temporary visual changes after an EYLEA HD or EYLEA injection and associated eye exams; do not drive or use machinery until your vision recovers sufficiently. For additional safety information, please talk to your doctor and see the full Prescribing Information for EYLEA HD and EYLEA. You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch or call 1-800-FDA-1088. Please click here for full Prescribing Information for EYLEA HD and EYLEA. About RegeneronRegeneron (NASDAQ: REGN) is a leading biotechnology company that invents, develops and commercializes life-transforming medicines for people with serious diseases. Founded and led by physician-scientists, our unique ability to repeatedly and consistently translate science into medicine has led to numerous approved treatments and product candidates in development, most of which were homegrown in our laboratories. Our medicines and pipeline are designed to help patients with eye diseases, allergic and inflammatory diseases, cancer, cardiovascular and metabolic diseases, neurological diseases, hematologic conditions, infectious diseases, and rare diseases. Regeneron pushes the boundaries of scientific discovery and accelerates drug development using our proprietary technologies, such as VelociSuite®, which produces optimized fully human antibodies and new classes of bispecific antibodies. We are shaping the next frontier of medicine with data-powered insights from the Regeneron Genetics Center® and pioneering genetic medicine platforms, enabling us to identify innovative targets and complementary approaches to potentially treat or cure diseases. For more information, please visit www.Regeneron.com or follow Regeneron on LinkedIn, Instagram, Facebook or X. Forward-Looking Statements and Use of Digital MediaThis press release includes forward-looking statements that involve risks and uncertainties relating to future events and the future performance of Regeneron Pharmaceuticals, Inc. (“Regeneron” or the “Company”), and actual events or results may differ materially from these forward-looking statements. Words such as “anticipate,” “expect,” “intend,” “plan,” “believe,” “seek,” “estimate,” variations of such words, and similar expressions are intended to identify such forward-looking statements, although not all forward-looking statements contain these identifying words. These statements concern, and these risks and uncertainties include, among others, the nature, timing, and possible success and therapeutic applications of products marketed or otherwise commercialized by Regeneron and/or its collaborators or licensees (collectively, “Regeneron’s Products”) and product candidates being developed by Regeneron and/or its collaborators or licensees (collectively, “Regeneron’s Product Candidates”) and research and clinical programs now underway or planned, including without limitation EYLEA HD® (aflibercept) Injection 8 mg; uncertainty of the utilization, market acceptance, and commercial success of Regeneron’s Products (such as EYLEA HD) and Regeneron’s Product Candidates and the impact of the Complete Response Letter from the U.S. Food and Drug Administration (“FDA”) regarding the supplemental Biologics License Application for EYLEA HD discussed in this press release on any of the foregoing; whether Regeneron will ultimately be able to obtain FDA approval for additional extended dosing intervals for EYLEA HD and, if so, the timing of any such approval; the likelihood, timing, and scope of possible regulatory approval and commercial launch of Regeneron’s Product Candidates and new indications for Regeneron’s Products, such as Regeneron’s Product Candidates for the treatment of geographic atrophy, glaucoma, or other serious eye diseases referenced in this press release; the ability of Regeneron’s collaborators, licensees, suppliers, or other third parties (as applicable) to perform manufacturing, filling, finishing, packaging, labeling, distribution, and other steps related to Regeneron’s Products and Regeneron’s Product Candidates; the ability of Regeneron to manage supply chains for multiple products and product candidates; safety issues resulting from the administration of Regeneron’s Products (such as EYLEA HD) and Regeneron’s Product Candidates in patients, including serious complications or side effects in connection with the use of Regeneron’s Products and Regeneron’s Product Candidates in clinical trials; determinations by regulatory and administrative governmental authorities which may delay or restrict Regeneron’s ability to continue to develop or commercialize Regeneron’s Products and Regeneron’s Product Candidates; ongoing regulatory obligations and oversight impacting Regeneron’s Products, research and clinical programs, and business, including those relating to patient privacy; the availability and extent of reimbursement of Regeneron’s Products from third-party payers, including private payer healthcare and insurance programs, health maintenance organizations, pharmacy benefit management companies, and government programs such as Medicare and Medicaid; coverage and reimbursement determinations by such payers and new policies and procedures adopted by such payers; changes in laws, regulations, and policies affecting the healthcare industry; competing drugs and product candidates that may be superior to, or more cost effective than, Regeneron’s Products and Regeneron’s Product Candidates (including biosimilar versions of Regeneron’s Products); the extent to which the results from the research and development programs conducted by Regeneron and/or its collaborators or licensees may be replicated in other studies and/or lead to advancement of product candidates to clinical trials, therapeutic applications, or regulatory approval; unanticipated expenses; the costs of developing, producing, and selling products; the ability of Regeneron to meet any of its financial projections or guidance and changes to the assumptions underlying those projections or guidance; the potential for any license, collaboration, or supply agreement, including Regeneron’s agreements with Sanofi and Bayer (or their respective affiliated companies, as applicable), to be cancelled or terminated; the impact of public health outbreaks, epidemics, or pandemics on Regeneron 's business; and risks associated with litigation and other proceedings and government investigations relating to the Company and/or its operations (including the pending civil proceedings initiated or joined by the U.S. Department of Justice and the U.S. Attorney's Office for the District of Massachusetts ), risks associated with intellectual property of other parties and pending or future litigation relating thereto (including without limitation the patent litigation and other related proceedings relating to EYLEA® (aflibercept) Injection 2 mg), the ultimate outcome of any such proceedings and investigations, and the impact any of the foregoing may have on Regeneron’s business, prospects, operating results, and financial condition. A more complete description of these and other material risks can be found in Regeneron’s filings with the U.S. Securities and Exchange Commission , including its Form 10-K for the year ended December 31, 2024 . Any forward-looking statements are made based on management’s current beliefs and judgment, and the reader is cautioned not to rely on any forward-looking statements made by Regeneron . Regeneron does not undertake any obligation to update (publicly or otherwise) any forward-looking statement, including without limitation any financial projection or guidance, whether as a result of new information, future events, or otherwise. Regeneron uses its media and investor relations website and social media outlets to publish important information about the Company, including information that may be deemed material to investors. Financial and other information about Regeneron is routinely posted and is accessible on Regeneron 's media and investor relations website (https://investor.regeneron.com) and its LinkedIn page (https://www.linkedin.com/company/regeneron-pharmaceuticals). Contacts: Source: Regeneron Pharmaceuticals, Inc.