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Study to Determine the Efficacy and Safety of Dupilumab in Adult and Adolescent Patients With Eosinophilic Esophagitis (EoE)

Study Purpose

The primary objectives of the study by study part are: Part A: To determine the treatment effect of dupilumab compared with placebo in adult and adolescent patients with EoE after 24 weeks of treatment as assessed by histological and clinical measures and to inform/confirm the final sample size determination for Part B. Part B: To demonstrate the efficacy of dupilumab treatment compared with placebo in adult and adolescent patients with EoE after 24 weeks of treatment as assessed by histological and clinical measures. Part C: To assess the safety and efficacy of dupilumab treatment in adult and adolescent patients with EoE after up to 52 weeks of treatment as assessed by histological and clinical measures. The secondary objectives of the study are:

  • - To evaluate the safety, tolerability, and immunogenicity of dupilumab treatment for up to 52 weeks in adult and adolescent patients with EoE.
  • - To explore the relationship between dupilumab concentration and responses in adult and adolescent patients with EoE, using descriptive analyses.
  • - To evaluate the effects of dupilumab on transcriptomic signatures associated with EoE and type 2 inflammation.
- To demonstrate the efficacy of dupilumab treatment compared to placebo after 24 weeks and 52 weeks of treatment in adult and adolescent patients with EoE who have previously received swallowed topical corticosteroids

Recruitment Criteria

Accepts Healthy Volunteers

Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms

No
Study Type

An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes.


An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes.


Searching Both is inclusive of interventional and observational studies.

Interventional
Eligible Ages 12 Years and Over
Gender All
More Inclusion & Exclusion Criteria

Key Inclusion Criteria (Parts A & B):

  • - A documented diagnosis of EoE by endoscopic biopsy.
  • - Baseline endoscopic biopsies with a demonstration on central reading of intraepithelial eosinophilic infiltration.
  • - History (by patient report) of an average of at least 2 episodes of dysphagia (with intake of solids) per week in the 4 weeks prior to screening.
Key Exclusion Criteria (Parts A & B):
  • - Body weight ≤40 kg.
  • - Prior participation in a dupilumab clinical trial, or past or current treatment with dupilumab.
  • - Initiation or change of a food-elimination diet regimen or re-introduction of a previously eliminated food group in the 6 weeks prior to screening.
  • - Other causes of esophageal eosinophilia or the following conditions: hypereosinophilic syndrome and eosinophilic granulomatosis with polyangiitis (Churg-Strauss syndrome) - Active Helicobacter pylori infection.
  • - History of achalasia, Crohn's disease, ulcerative colitis, celiac disease, and prior esophageal surgery.
  • - Any esophageal stricture unable to be passed with a standard, diagnostic, 9 to10 mm upper endoscope or any critical esophageal stricture that requires dilation at screening.
  • - History of bleeding disorders or esophageal varices.
  • - Pregnant or breastfeeding women, or women planning to become pregnant or breastfeed during the study.
Key Exclusion Criteria (Part C):
  • - Participants who, during Part A or Part B, developed a serious adverse event (SAE) and/or adverse event (AE) deemed related to study drug, which in the opinion of the investigator could indicate that continued treatment with study drug may present an unreasonable risk for the participant.
  • - Participants who became pregnant during Part A or Part B.
  • - Participants who are prematurely discontinued from study drug due to an AE (patients who are prematurely discontinued from study drug due to lack of efficacy are eligible to enter Part C) - Patients who did not undergo endoscopy with biopsies prior to receiving rescue treatment.
Note: Other inclusion/ exclusion criteria apply

Trial Details

Trial ID:

This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.

NCT03633617
Phase

Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans.

Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data.

Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs.

Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.

Phase 3
Lead Sponsor

The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.

Regeneron Pharmaceuticals
Principal Investigator

The person who is responsible for the scientific and technical direction of the entire clinical study.

Clinical Trial Management
Principal Investigator Affiliation Regeneron Pharmaceuticals
Agency Class

Category of organization(s) involved as sponsor (and collaborator) supporting the trial.

Industry
Overall Status Active, not recruiting
Countries Australia, Belgium, Canada, France, Germany, Italy, Netherlands, Spain, Sweden, Switzerland, United Kingdom, United States
Conditions

The disease, disorder, syndrome, illness, or injury that is being studied.

Eosinophilic Esophagitis
Arms & Interventions

Arms

Experimental: Part A: Dupilumab or Placebo

Part A consists of a 24-week double-blind treatment period. Participants will be randomized to receive dupilumab or placebo. At the end of the double-blind treatment visit (week 24), eligible participants may enter Part C. Participants who do not enter Part C will enter a 12-week follow-up period.

Experimental: Part B: Dupilumab or Placebo

Part B consists of a 24-week double-blind treatment period. Participants will be randomized to receive dupilumab dosing regimen 1, dupilumab dosing regimen 2 or placebo. At the end of the double-blind treatment visit (week 24), eligible participants may enter Part C. Participants who do not enter Part C will enter a 12-week follow-up period.

Experimental: Part C: Dupilumab

Part C is a 28-week extended active treatment period. Participants will receive dupilumab dosing regimen 1, dupilumab dosing regimen 2. At the end of the treatment period (week 52), participants will enter a 12-week follow-up period.

Interventions

Drug: - Dupilumab

Solution for injection administered subcutaneously

Drug: - Placebo

Matching placebo

Contact a Trial Team

If you are interested in learning more about this trial, find the trial site nearest to your location and contact the site coordinator via email or phone. We also strongly recommend that you consult with your healthcare provider about the trials that may interest you and refer to our terms of service below.

Regeneron Study Site, Phoenix, Arizona

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Regeneron Study Site

Phoenix, Arizona, 85016

Regeneron Study Site, Scottsdale, Arizona

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Regeneron Study Site

Scottsdale, Arizona, 85259

Regeneron Study Site, Little Rock, Arkansas

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Regeneron Study Site

Little Rock, Arkansas, 72202

Regeneron Study Site, La Jolla, California

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Regeneron Study Site

La Jolla, California, 92037

Regeneron Study Site, Los Angeles, California

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Regeneron Study Site

Los Angeles, California, 90025

Regeneron Study Site, Mountain View, California

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Regeneron Study Site

Mountain View, California, 94305

Regeneron Study Site, Orange, California

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Regeneron Study Site

Orange, California, 92868

Regeneron Study Site, Rolling Hills Estates, California

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Regeneron Study Site

Rolling Hills Estates, California, 90274

Regeneron Study Site, San Diego, California

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Regeneron Study Site

San Diego, California, 92123

Regeneron Study Site, Aurora, Colorado

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Regeneron Study Site

Aurora, Colorado, 80045

Regeneron Study Site, Aurora, Colorado

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Regeneron Study Site

Aurora, Colorado, 80220

Regeneron Study Site, Colorado Springs, Colorado

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Regeneron Study Site

Colorado Springs, Colorado, 80907

Regeneron Study Site, Lone Tree, Colorado

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Regeneron Study Site

Lone Tree, Colorado, 80124

Regeneron Study Site, Bristol, Connecticut

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Regeneron Study Site

Bristol, Connecticut, 06010

Regeneron Study Site, Miami, Florida

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Regeneron Study Site

Miami, Florida, 33156

Regeneron Study Site, Saint Petersburg, Florida

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Regeneron Study Site

Saint Petersburg, Florida, 33701

Regeneron Study Site, Boise, Idaho

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Regeneron Study Site

Boise, Idaho, 83706

Regeneron Study Site, Idaho Falls, Idaho

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Regeneron Study Site

Idaho Falls, Idaho, 83404

Regeneron Study Site #1, Chicago, Illinois

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Regeneron Study Site #1

Chicago, Illinois, 60611

Regeneron Study Site #2, Chicago, Illinois

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Regeneron Study Site #2

Chicago, Illinois, 60611

Regeneron Study Site, Park Ridge, Illinois

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Regeneron Study Site

Park Ridge, Illinois, 60068

Regeneron Study Site, Urbana, Illinois

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Regeneron Study Site

Urbana, Illinois, 61801

Regeneron Study Site, Indianapolis, Indiana

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Regeneron Study Site

Indianapolis, Indiana, 46202

Regeneron Study Site, Clive, Iowa

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Regeneron Study Site

Clive, Iowa, 50325

Regeneron Study Site, Iowa City, Iowa

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Regeneron Study Site

Iowa City, Iowa, 52242

Regeneron Study Site, Topeka, Kansas

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Regeneron Study Site

Topeka, Kansas, 66606

Regeneron Study Site, Hagerstown, Maryland

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Regeneron Study Site

Hagerstown, Maryland, 21742

Regeneron Study Site, Boston, Massachusetts

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Regeneron Study Site

Boston, Massachusetts, 02111

Regeneron Study Site, Worcester, Massachusetts

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Regeneron Study Site

Worcester, Massachusetts, 01655

Regeneron Study Site, Ann Arbor, Michigan

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Regeneron Study Site

Ann Arbor, Michigan, 48109

Regeneron Study Site, Chesterfield, Michigan

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Regeneron Study Site

Chesterfield, Michigan, 48047

Regeneron Study Site, Plymouth, Minnesota

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Regeneron Study Site

Plymouth, Minnesota, 55446

Regeneron Study Site, Rochester, Minnesota

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Regeneron Study Site

Rochester, Minnesota, 55905

Regeneron Study Site, Lincoln, Nebraska

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Regeneron Study Site

Lincoln, Nebraska, 68505

Regeneron Study Site, Omaha, Nebraska

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Regeneron Study Site

Omaha, Nebraska, 68130

Regeneron Study Site, Bronx, New York

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Regeneron Study Site

Bronx, New York, 10461

Regeneron Study Site, Great Neck, New York

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Regeneron Study Site

Great Neck, New York, 11021

Regeneron Study Site, Great Neck, New York

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Regeneron Study Site

Great Neck, New York, 11023

Regeneron Study Site, New York, New York

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Regeneron Study Site

New York, New York, 10016

Regeneron Study Site, New York, New York

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Regeneron Study Site

New York, New York, 10029

Regeneron Study Site, New York, New York

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Regeneron Study Site

New York, New York, 10032

Regeneron Study Site, Chapel Hill, North Carolina

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Regeneron Study Site

Chapel Hill, North Carolina, 27599

Regeneron Study Site, Cincinnati, Ohio

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Regeneron Study Site

Cincinnati, Ohio, 45229

Regeneron Study Site, Dayton, Ohio

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Regeneron Study Site

Dayton, Ohio, 45415

Regeneron Study Site, Dublin, Ohio

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Regeneron Study Site

Dublin, Ohio, 43016

Regeneron Study Site, Mentor, Ohio

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Regeneron Study Site

Mentor, Ohio, 44060

Regeneron Study Site, Hershey, Pennsylvania

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Regeneron Study Site

Hershey, Pennsylvania, 17033

Regeneron Study Site, Philadelphia, Pennsylvania

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Regeneron Study Site

Philadelphia, Pennsylvania, 19104

Regeneron Study Site, Charleston, South Carolina

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Regeneron Study Site

Charleston, South Carolina, 29425

Regeneron Study Site, Greenville, South Carolina

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Regeneron Study Site

Greenville, South Carolina, 29615

Regeneron Study Site, Johnson City, Tennessee

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Regeneron Study Site

Johnson City, Tennessee, 37604

Regeneron Study Site, Memphis, Tennessee

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Regeneron Study Site

Memphis, Tennessee, 38103

Regeneron Study Site, Dallas, Texas

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Regeneron Study Site

Dallas, Texas, 75207

Regeneron Study Site, Fort Worth, Texas

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Regeneron Study Site

Fort Worth, Texas, 76104

Regeneron Study Site, Garland, Texas

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Regeneron Study Site

Garland, Texas, 75044

Regeneron Study Site, Houston, Texas

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Regeneron Study Site

Houston, Texas, 77030

Regeneron Study Site, San Antonio, Texas

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Regeneron Study Site

San Antonio, Texas, 78229

Regeneron Study Site, Salt Lake City, Utah

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Regeneron Study Site

Salt Lake City, Utah, 84132

Regeneron Study Site, Charlottesville, Virginia

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Regeneron Study Site

Charlottesville, Virginia, 22903

Regeneron Study Site, Roanoke, Virginia

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Regeneron Study Site

Roanoke, Virginia, 24013

Regeneron Study Site, Seattle, Washington

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Regeneron Study Site

Seattle, Washington, 98115

Regeneron Study Site, Milwaukee, Wisconsin

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Regeneron Study Site

Milwaukee, Wisconsin, 53226

International Sites

Regeneron Study Site, Camperdown, New South Wales, Australia

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Regeneron Study Site

Camperdown, New South Wales, 2050

Regeneron Study Site, Woolloongabba, Queensland, Australia

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Regeneron Study Site

Woolloongabba, Queensland, 4102

Regeneron Study Site, Elizabeth Vale, South Australia, Australia

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Regeneron Study Site

Elizabeth Vale, South Australia, 5112

Regeneron Study Site, Melbourne, Victoria, Australia

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Regeneron Study Site

Melbourne, Victoria, 3052

Regeneron Study Site, Bruges, Belgium

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Regeneron Study Site

Bruges, , 8310

Regeneron Study Site, Edegem, Belgium

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Regeneron Study Site

Edegem, , 2650

Regeneron Study Site, Leuven, Belgium

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Regeneron Study Site

Leuven, , 03000

Regeneron Study Site, London, Ontario, Canada

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Regeneron Study Site

London, Ontario, N6A5W9

Regeneron Study Site, Ottawa, Ontario, Canada

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Regeneron Study Site

Ottawa, Ontario, K1G6S6

Regeneron Study Site, Montreal, Quebec, Canada

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Regeneron Study Site

Montreal, Quebec, H3T1C5

Regeneron Study Site, Hamilton, Canada

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Regeneron Study Site

Hamilton, , L8S 1G5

Regeneron Study Site, Pessac, France

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Regeneron Study Site

Pessac, , 33604 Cedex

Regeneron Study Site, Toulouse, France

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Regeneron Study Site

Toulouse, , TSA 50032-31059

Regeneron Study Site, Hannover, Germany

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Regeneron Study Site

Hannover, , 30459

Regeneron Study Site, Magdeburg, Germany

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Regeneron Study Site

Magdeburg, , 39120

Regeneron Study Site, Munich, Germany

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Regeneron Study Site

Munich, , 81675

Regeneron Study Site, Genoa, Italy

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Regeneron Study Site

Genoa, , 16132

Regeneron Study Site, Milano, Italy

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Regeneron Study Site

Milano, , 20122

Regeneron Study Site, Naples, Italy

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Regeneron Study Site

Naples, , 80100

Regeneron Study Site, Pisa, Italy

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Regeneron Study Site

Pisa, , 56124

Regeneron Study Site, Rome, Italy

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Regeneron Study Site

Rome, , 00161

Regeneron Study Site, Rome, Italy

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Regeneron Study Site

Rome, , 00165

Regeneron Study Site, Rozzano, Italy

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Regeneron Study Site

Rozzano, , 20089

Regeneron Study Site, Amsterdam, Netherlands

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Regeneron Study Site

Amsterdam, , 1105 AZ

Regeneron Study Site, Maastricht, Netherlands

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Regeneron Study Site

Maastricht, , 6229HX

Regeneron Study Site, Nijmegen, Netherlands

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Regeneron Study Site

Nijmegen, , 6525GA

Regeneron Study Site, Tomelloso, Ciudad Real, Spain

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Regeneron Study Site

Tomelloso, Ciudad Real, 13700

Regeneron Study Site, Barcelona, Spain

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Regeneron Study Site

Barcelona, , 08036

Regeneron Study Site, Madrid, Spain

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Regeneron Study Site

Madrid, , 28006

Regeneron Study Site, Stockholm, Sweden

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Regeneron Study Site

Stockholm, , 141 86

Regeneron Study Site, Zurich, Switzerland

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Regeneron Study Site

Zurich, , CH-8091

Regeneron Study Site, London, Whitechapel, United Kingdom

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Regeneron Study Site

London, Whitechapel, E1 1BB

Regeneron Study Site, Barnsley, Yorkshire, United Kingdom

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Regeneron Study Site

Barnsley, Yorkshire, S752EP

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