Regeneron Pharmaceuticals

Open enrollment with an early-phase pipeline tilt

According to ClinicalTrials.gov-derived indexes, Regeneron Pharmaceuticals sits in the top decile of US sponsors by registered trial count (#122 of 15,742 sponsors by registered trial count).

280 total trials 61 currently recruiting 151 completed early-phase tilt top decile by trial count

Regeneron Pharmaceuticals: 280 sponsored US clinical trials, 61 recruiting.

Regeneron Pharmaceuticals sponsors 280 registered US clinical trials on ClinicalTrials.gov, 61 of them currently recruiting, and 151 completed. 83 of these trials are in Phase 3-4 (later-stage) and 174 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Dermatitis, Atopic, with 6 trials.

Top-decile sponsor footprint

Regeneron Pharmaceuticals ranks in the top decile of sponsors by registered trial count (#122 of 15,742 sponsors by registered trial count). Volume at this scale usually reflects a long institutional pipeline, read phase tilt and therapeutic areas below before treating it as current-year activity.

Trial completion reliability score

F 38/100

151 of 190 decided trials (Completed vs. Terminated on ClinicalTrials.gov) reached their planned completion (79.5%), vs. national p10 68.4% / p90 100% among 1,234 sponsors with at least 10 decided trials. Still-open trials (Recruiting, Active-not-recruiting, Not-yet-recruiting) are excluded since they have not reached an outcome yet.

Open and recent trials

280 total, page 2 of 6

RECRUITING Phase 1

A Study to Examine the Effects of Novel Therapy Linvoseltamab in Combination With Other Cancer Treatments for Adult Patients With Multiple Myeloma That is Resistant to Current Standard of Care Treatments

NCT05137054

RECRUITING Phase 1

A Study to Learn How Safe and Tolerable Vonsetamig is in Adult Patients With Chronic Kidney Disease (CKD) Who Need Kidney Transplantation and Are Highly Sensitized to Human Leukocyte Antigen (HLA)

NCT05092347

RECRUITING Phase 3

A Study to Evaluate How Safe Pozelimab + Cemdisiran Combination Therapy is and How Well it Works in Adult Patients With Paroxysmal Nocturnal Hemoglobinuria (PNH) Who Have Not Recently Received or Have Not Received Complement Inhibitor Treatment

NCT05133531

RECRUITING Phase 1

A Trial to Find Out if REGN4336 is Safe and How Well it Works Alone and in Combination With Cemiplimab or REGN5678 for Adult Participants With Advanced Prostate Cancer

NCT05125016

RECRUITING Phase 1

A Trial to Find Out How Safe REGN7075 is and How Well it Works in Combination With Cemiplimab for Adult Participants With Advanced Cancers

NCT04626635

RECRUITING Phase 1

A Study to Find Out How Safe REGN5668 is and How Well it Works In Adult Women When Given With Either Cemiplimab, or Cemiplimab + Fianlimab, or Ubamatamab

NCT04590326

RECRUITING Phase 1

A Study of REGN5093 in Adult Patients With Mesenchymal Epithelial Transition Factor (MET)-Altered Advanced Non-Small Cell Lung Cancer

NCT04077099

RECRUITING

An Observational Retrospective Cohort Study Being Conducted in Women With Atopic Dermatitis (AD)

NCT03936335

RECRUITING Phase 1

A Trial to Find Out if REGN5678 (Nezastomig) is Safe and How Well it Works Alone or in Combination With Cemiplimab for Adult Participants With Metastatic Castration-Resistant Prostate Cancer and Other Tumors

NCT03972657

RECRUITING Phase 1

Phase 1/2 Study of Linvoseltamab in Adult Patients With Relapsed or Refractory Multiple Myeloma

NCT03761108

RECRUITING Phase 1

Study of REGN4018 (Ubamatamab) Administered Alone or in Combination With Cemiplimab in Adult Patients With Recurrent Ovarian Cancer or Other Recurrent Mucin-16 Expressing (MUC16+) Cancers

NCT03564340

ACTIVE NOT RECRUITING Phase 2

Study of Olatorepatide in Adult Participants Living With Overweight or Obesity in the US

NCT07431086

ACTIVE NOT RECRUITING Phase 2

A Study of REGN7544 for the Treatment in Adult Patients With Sepsis-Induced Hypotension

NCT06608901

ACTIVE NOT RECRUITING Phase 3

A Study of the Safety of Mibavademab in Pediatric and Adult Participants Switching From Metreleptin to Mibavademab for the Treatment of Generalized Lipodystrophy (GLD)

NCT06548100

ACTIVE NOT RECRUITING Phase 2

A Trial to Learn How Well REGN9933 and REGN7508 Work for Preventing Blood Clots, and How Safe They Are, in Adults Who Have a Peripherally Inserted Central Catheter (PICC)

NCT06299111

ACTIVE NOT RECRUITING Phase 2

A Trial to Learn if Fianlimab and Cemiplimab Are Safe and Work Better Than Anti-PD1 Alone in Adult Participants With Resectable Stage 3 or 4 Melanoma

NCT06190951

ACTIVE NOT RECRUITING Phase 3

A Phase 3b, Single-Arm Study of Aflibercept 8 mg Dosed Every 4 Weeks in Adult Participants With Neovascular Age-Related Macular Degeneration (nAMD) or Diabetic Macular Edema (DME)

NCT06491914

ACTIVE NOT RECRUITING Phase 2

A Trial to Learn if the Combination of Fianlimab, Cemiplimab, and Chemotherapy is Safe and Works Better Than the Combination of Cemiplimab and Chemotherapy in Adult Patients With Non-Small Cell Lung Cancer That Can be Treated With Surgery

NCT06161441

ACTIVE NOT RECRUITING Phase 2

A Study to Test if Trevogrumab or Trevogrumab With Garetosmab When Taken With Semaglutide is Safe and How Well They Work in Adult Patients With Obesity for Weight Loss, Fat Loss, and Lean Mass Preservation

NCT06299098

ACTIVE NOT RECRUITING

Evaluation of Cemiplimab in Combination With Platinum-Doublet Chemotherapy in First-Line (1L) Treatment of Advanced Non-Small Cell Lung Cancer (NSCLC) in Adult United States (US) Patients

NCT06269133

ACTIVE NOT RECRUITING

A Trial That Evaluates Disease Characteristics in Hemophilia B Adult Male Participants Receiving Prophylaxis With Standard of Care Factor IX Protein (FIX) Replacement Therapy

NCT05568459

ACTIVE NOT RECRUITING Phase 3

A Study to Compare How Well Odronextamab Combined With Chemotherapy Works and How Safe it is Against Rituximab Combined With Chemotherapy, in Adult Patients With Previously Untreated Diffuse Large B-cell Lymphoma

NCT06091865

ACTIVE NOT RECRUITING Phase 3

A Trial to Learn if Odronextamab Combined With Chemotherapy is Safe and Well-Tolerated and How Well it Works Compared to Rituximab Combined With Chemotherapy for Adult Participants With Follicular Lymphoma

NCT06097364

ACTIVE NOT RECRUITING Phase 2

A Trial to Learn How the Combination of Fianlimab With Cemiplimab and Chemotherapy Works Compared With Cemiplimab and Chemotherapy for Treating Adult Patients With Advanced Non-small Cell Lung Cancer

NCT05800015

ACTIVE NOT RECRUITING Phase 2

A Study to Learn if a Combination of Fianlimab and Cemiplimab Versus Cemiplimab Alone is More Effective for Adult Participants With Advanced Non-Small Cell Lung Cancer (NSCLC)

NCT05785767

ACTIVE NOT RECRUITING Phase 2

A Study to Learn How Well Dupilumab Works in Adult and Adolescent Participants With Eosinophilic Gastritis With or Without Eosinophilic Duodenitis and the Side Effects it May Have

NCT05831176

ACTIVE NOT RECRUITING Phase 2

A Trial to Learn How the Cancer Vaccine BNT116 in Combination With Cemiplimab Works and How Safe the Combination is in Adults With Advanced Non-small Cell Lung Cancer (EMPOWERVAX Lung 1)

NCT05557591

ACTIVE NOT RECRUITING Phase 3

A Trial to See if the Combination of Fianlimab With Cemiplimab Works Better Than Pembrolizumab for Preventing or Delaying Melanoma From Coming Back After it Has Been Removed With Surgery

NCT05608291

ACTIVE NOT RECRUITING Phase 3

A Study to Assess Safety, Tolerability and Efficacy of Garetosmab Versus Placebo Administered Intravenously (IV) in Adult Participants With Fibrodysplasia Ossificans Progressiva (FOP)

NCT05394116

ACTIVE NOT RECRUITING Phase 3

Clinical Study of Fianlimab in Combination With Cemiplimab Versus Pembrolizumab in Adolescent and Adult Patients With Previously Untreated Unresectable Locally Advanced or Metastatic Melanoma

NCT05352672

ACTIVE NOT RECRUITING Phase 3

A Study to Test How Safe Pozelimab and Cemdisiran Combination Therapy and Cemdisiran Alone Are and How Well They Work in Adult Patients With Generalized Myasthenia Gravis

NCT05070858

ACTIVE NOT RECRUITING

Study Assessing Long-teRm Outcomes of dupiluMAb (DUPIXENT®) Treatment in Adult Patients With Chronic Rhinosinusitis With Nasal Polyposis (CRSwNP)

NCT04959448

ACTIVE NOT RECRUITING

Extension Study to Evaluate the Long-Term Outcomes of Pediatric Patients Who Received Treatment for Retinopathy of Prematurity in the VGFTe-ROP-1920 Study (Acronym: Butterfleye Next)

NCT04515524

ACTIVE NOT RECRUITING

Registry of Asthma Patients Initiating DUPIXENT®

NCT04287621

ACTIVE NOT RECRUITING Phase 2

A Study to Assess the Anti-Tumor Activity and Safety of Odronextamab in Adult Patients With B-cell Non-Hodgkin Lymphoma Who Have Been Previously Treated With Other Cancer Therapies

NCT03888105

ACTIVE NOT RECRUITING Phase 2

Neoadjuvant Cemiplimab for the Treatment of Resectable NSCLC, HCC, and HNSCC in Adult Patients

NCT03916627

ACTIVE NOT RECRUITING Phase 3

Study of Adjuvant Cemiplimab Versus Placebo After Surgery and Radiation Therapy in Patients With High Risk Cutaneous Squamous Cell Carcinoma

NCT03969004

ACTIVE NOT RECRUITING

Study of Patients Receiving DUPIXENT® for Atopic Dermatitis (AD)

NCT03428646

ACTIVE NOT RECRUITING Phase 1

A Study to Learn How Safe and Tolerable Odronextamab and Cemiplimab Are in Adult Patients With B-cell Malignancies

NCT02651662

ACTIVE NOT RECRUITING Phase 3

Study to Assess the Long-term Safety of Dupilumab Administered in Participants ≥6 Months to <18 Years of Age With Atopic Dermatitis (AD)

NCT02612454

COMPLETED

Incidence of Retinal Vasculitis Among Patients Receiving Aflibercept: A US Real-World Evidence Study

NCT07105228

COMPLETED

A Real-World Evidence Study for the Incidence of Retinal Vasculitis (RV) Among Adult Patients Receiving Aflibercept 2 mg in the United States (US)

NCT06769412

COMPLETED Phase 3

A Study to Demonstrate the Effect of REGN5713-5715 on Reducing Ocular Allergy Signs and Symptoms in Adult Participants With Birch Pollen Allergy

NCT06602739

COMPLETED Phase 3

A Study to Demonstrate How Well REGN1908-1909 Works in Reducing Ocular Allergy Signs and Symptoms in Adult Participants With Cat Allergy

NCT06602726

COMPLETED Phase 3

Study to Evaluate an 8 mg Aflibercept (EYLEA®) Prefilled Syringe (PFS)

NCT05989126

TERMINATED Phase 2

REGN5381 in Adult Participants With Heart Failure With Reduced Ejection Fraction

NCT06237309

COMPLETED

A Non-Interventional Study of Clinical Characteristics and Mortality of US Patients With Fibrodysplasia Ossificans Progressiva (FOP)

NCT06064656

COMPLETED Phase 4

Dupilumab in Adolescent and Adult Skin of Color Participants: Open-label Moderate-to-severe Eczema Trial

NCT05590585

COMPLETED

Real-World Clinical Outcomes in Patients With Relapsed/Refractory Multiple Myeloma

NCT05673967

TERMINATED Phase 3

Efficacy and Safety of the Combination of Pozelimab and Cemdisiran Versus Continued Eculizumab or Ravulizumab Treatment in Adult Patients With Paroxysmal Nocturnal Hemoglobinuria

NCT05131204

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What is open in the Regeneron Pharmaceuticals pipeline

61 recruiting of 280 indexed (22% open); 151 completed (54%).

Phase mix: 83 late (III/IV) vs 174 early (I/II) (early-phase heavy).

Top condition: Dermatitis, Atopic (6 trials), 9 others listed.

How open-pipeline share is computed

Recruiting share is recruiting_count divided by trial_count for this sponsor in the public registry export. Status can change between pulls; treat the figure as a research-attention snapshot, not product availability.

Regeneron Pharmaceuticals: open-pipeline peers nationwide

Peers matched on 280 registered trials and 22% open enrollment, not the therapeutic-area sidebar.

Regeneron Pharmaceuticals sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot). 2×2 strategic matrix plotting 9 entities by Total trials (X) and Recruiting share (Y), with a crosshair dividing the plot into four quadrants. Higher volume & more openFocused & more openHigher volume, mostly closedSmaller & mostly closed 0100200300400 0%5%10%15%20%25% Total trials Recruiting share Regeneron PharmaceuticalsBoston Scientific CorporationAlcon ResearchEisaiSWOG Cancer Research NetworkAtriCureUniversity of Colorado, BoulderUniversity of Maryland, College ParkNorthwell Health
Regeneron Pharmaceuticals sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot).

Regeneron Pharmaceuticals sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together.

Sponsors near 280 trials (± recruiting share)

Sponsors near 22% open enrollment (± trial volume)

What to do with this Regeneron Pharmaceuticals page

280 registered trials is a research-attention snapshot, not an endorsement of Regeneron Pharmaceuticals or any single study.

  • 61 of Regeneron Pharmaceuticals's trials are currently recruiting, check each one's own eligibility criteria before contacting a site. Browse recruiting trials
  • Dermatitis, Atopic is the condition Regeneron Pharmaceuticals studies most, compare against other sponsors active in the same condition before evaluating a specific study. See Dermatitis, Atopic trials
  • Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Regeneron Pharmaceuticals pipeline card: 280 registered trials from official public datasets.Report a data error.