Regeneron Pharmaceuticals Inc.: clinical-trial pipeline

Regeneron Pharmaceuticals Inc. is the sponsor of 392 clinical trials in ClinicalTrials.gov and the EU CTIS portal; 122 are not yet finished and 12 were first posted in the last 90 days. Source: Arcadium Data, data as of .

Open trials122
Phase 2/3 and 3105
Countries59
New in 90 days12

Trials by phase

PhaseTrials
Phase 1116
Phase 295
Phase 394
Phase 1/234
Not applicable30
Phase 412
Phase 2/311

Trials by status

StatusTrials
Completed212
Recruiting68
Terminated44
Active, not recruiting33
Not yet recruiting21
Withdrawn or not authorised14

Condition areas

AreaTrials
Oncology107
Immunology and rheumatology74
Cardiovascular56
Metabolic and endocrine (diabetes, obesity)43
Dermatology38
Ophthalmology33
Respiratory23
Haematology22
Infectious disease and vaccines21
Musculoskeletal18
Nephrology and urology16
Rare and genetic diseases15

Countries

CountryTrials
United States293
Germany80
Spain80
Canada79
United Kingdom79
Poland67
France66
Belgium55
Italy54
South Korea49
Australia48
Japan38
Hungary34
Netherlands34
Taiwan31

Latest changes

DayChangeTrial
2026-10-21New trial postedREGN9220 in Combination With Odronextamab in Adult Participants With Relapsed or Refracto…
2026-10-15New trial postedHealthy Adult Participants Trial Comparing Different Cenvacibart Presentations
2026-10-15New trial postedA Study to Evaluate Cenvacibart (REGN7508) for Secondary Stroke Prevention in Adult Parti…
2026-10-07New trial postedSafety and Efficacy Study in Adults With Advanced Solid Tumors Receiving REGN13089-M404-M…
2026-10-06New trial postedThyroid-Stimulating Hormone Receptor (TSHR) Blockade With REGN24493 in Adult Participants…
2026-10-02New trial postedTrial to Evaluate ALN-CIDEB in Adults With Metabolic Dysfunction-Associated Steatotic Liv…
2026-09-30New trial postedREGN21353 Alone or in Combination With Nezastomig for Metastatic Castration-Resistant Pro…
2026-09-29New trial postedA Phase 3, Double-Blind, Placebo-Controlled Study to Investigate the Efficacy and Safety…
2026-09-23New trial postedA Phase 3, Double-Blind, Placebo-Controlled Study to Investigate the Efficacy and Safety…
2026-09-22New trial postedA Trial of ALN-6457 in Adult Participants With Symptomatic Prion Disease (PrD)
2026-09-21New trial postedEfficacy and Safety of Olatorepatide Versus Placebo in Adults With Moderate to Severe Hid…
2026-09-09New trial postedA Study Comparing Cemiplimab-based Treatments for Adult Participants With Locally Advance…

Open trials

The 25 most recently changed open trials.

Registry idTitlePhaseStatusCountries
NCT06379789A Study to Investigate the Safety and Effectiveness of a Coagulation Factor IX Gene Insertion Therapy (REGV13…Phase 1/2RecruitingAustralia, Brazil, Canada, Germany +5
NCT06140524A Proof-of-Concept Study to Learn Whether Linvoseltamab Can Eliminate Abnormal Plasma Cells That May Lead to…Phase 2RecruitingBelgium, Spain, France, Ireland +3
NCT05785767A Study to Learn if a Combination of Fianlimab and Cemiplimab Versus Cemiplimab Alone is More Effective for A…Phase 2/3Not yet recruitingAustralia, Canada, Spain, France +9
NCT03888105A Study to Assess the Anti-Tumor Activity and Safety of Odronextamab in Adult Patients With B-cell Non-Hodgki…Phase 2Active, not recruitingAustralia, Canada, China, Germany +10
NCT06292780A Trial to Learn if Linvoseltamab is Safe and Works in Adults With Relapsed or Refractory Systemic Light Chai…Phase 1/2RecruitingGermany, Spain, United Kingdom, Greece +4
NCT06369467Short-Term Linvoseltamab Treatment on Top of Chronic Dupilumab Treatment for Adults With Severe Immunoglobuli…Phase 1Active, not recruitingSpain, United States
NCT04077099A Study of REGN5093 in Adult Patients With Mesenchymal Epithelial Transition Factor (MET)-Altered Advanced No…Phase 1/2Active, not recruitingFrance, South Korea, United States
NCT05137054A Study to Examine the Effects of Novel Therapy Linvoseltamab in Combination With Other Cancer Treatments for…Phase 1RecruitingSpain, France, Greece, Israel +2
NCT03969004Study of Adjuvant Cemiplimab Versus Placebo After Surgery and Radiation Therapy in Patients With High Risk Cu…Phase 3Active, not recruitingAustralia, Belgium, Brazil, Canada +12
NCT03564340Study of REGN4018 (Ubamatamab) Administered Alone or in Combination With Cemiplimab in Adult Patients With Re…Phase 1/2RecruitingAustralia, Belgium, Spain, France +6
NCT05788536A Study of DB-OTO, an Adeno-Associated Virus (AAV) Based Gene Therapy, in Children/Infants, Adolescents and A…Phase 1/2RecruitingGermany, Spain, United Kingdom, Japan +1
NCT03761108Phase 1/2 Study of Linvoseltamab in Adult Patients With Relapsed or Refractory Multiple MyelomaPhase 1/2RecruitingBelgium, Germany, Spain, United Kingdom +3
NCT05259709A Study of ImmunoPet Imaging Using 89Zr-DFO-REGN5054 in Adult Participants With Solid Cancers Treated With Ce…Phase 1Active, not recruitingNetherlands
NCT06190951A Trial to Learn if Fianlimab and Cemiplimab Are Safe and Work Better Than Anti-PD1 Alone in Adult Participan…Phase 2Not yet recruitingAustria, Australia, Canada, Germany +7
NCT02612454Study to Assess the Long-term Safety of Dupilumab Administered in Participants ≥6 Months to <18 Years of Age…Phase 3Active, not recruitingCanada, Czechia, Germany, United Kingdom +3
NCT06572228Efficacy of Dupilumab Added to Medium Dose Inhaled Corticosteroid/Long-acting Beta-agonist (ICS/LABA) in Comp…Phase 4Active, not recruitingCanada, Germany, Denmark, Poland +2
NCT06465329A Study of Cemiplimab Plus Chemotherapy Versus Cemiplimab Plus Chemotherapy Plus Other Cancer Treatments for…Phase 2Active, not recruitingBrazil, Germany, Spain, France +1
NCT06161441A Trial to Learn if the Combination of Fianlimab, Cemiplimab, and Chemotherapy is Safe and Works Better Than…Phase 2Not yet recruitingAustralia, Chile, Germany, Spain +8
NCT05744921A Study in Adult Patients With Paroxysmal Nocturnal Hemoglobinuria (PNH) to Evaluate How Safe Long-term Treat…Phase 3RecruitingBrazil, Canada, Colombia, Spain +16
NCT05133531A Study to Evaluate How Safe Pozelimab + Cemdisiran Combination Therapy is and How Well it Works in Adult Pat…Phase 3Active, not recruitingBrazil, Canada, China, Colombia +19
NCT06541704A Study Investigating Subcutaneously Administered Pozelimab in Combination With Cemdisiran or Cemdisiran Alon…Phase 3RecruitingAustria, Australia, Canada, Germany +7
NCT06421636A Study to Test the Safety, Tolerability, and Efficacy of an Antibody, REGN7999, Injected Under the Skin for…Phase 2Active, not recruitingUnited Kingdom, Georgia, Greece, India +4
NCT06848088A Study to Learn About the Long-Term Health of Adult Participants From a Previous Study of a New Melanoma Tre…Phase 2RecruitingIreland, United States
NCT06975787Dose Escalation Study With Bispecific Antibodies in Adult Participants With Lupus NephritisPhase 1RecruitingGermany, Spain, France, South Korea +2
NCT07015905REGN7508 Versus Apixaban and Enoxaparin for Thromboprophylaxis After Total Knee Arthroplasty in AdultsPhase 3RecruitingBulgaria, Hungary, Japan, Lithuania +4

Hiring for clinical development

Regeneron Pharmaceuticals Inc. has 102 open jobs with a clinical, regulatory, safety, biostatistics or medical-affairs title on its own career sites.

Website: regeneron.com. All sponsors: clinical-trial pipeline by sponsor.

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The API returns the same trials by sponsor website, phase, status, condition and country with a change feed, joined to hiring and public contract awards. Try it without a key on one sponsor.

Sources: ClinicalTrials.gov (U.S. National Library of Medicine, public domain) and the EU Clinical Trials Information System public portal (European Medicines Agency), data as of 2026-10-25. A trial that one register cites in the other is shown once. Organisation-level data only: investigators, contact persons and site names are not stored, and a sponsor that could be a private person is withheld. Sponsor-to-website matches are made by name and can be wrong; check the register before relying on a record. Independent of the NLM, NIH and EMA.

Cite as: Arcadium Data, "Regeneron Pharmaceuticals Inc. clinical trials: 122 open, 105 in phase 3", https://arcadiumdata.io/clinical-trials/sponsor/regeneron-com/, data as of 2026-10-25.