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Clinical trials and research at Regeneron Pharmaceuticals

As of November 12, 2026, Find a Trial lists 70 clinical trials run by Regeneron Pharmaceuticals that are recruiting, at sites in 42 countries (most in United States (57), Spain (20), United Kingdom (19)). By phase: Phase 3 (24), Phase 1/2 (16), Phase 2 (13), Phase 1 (12). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.

Newest trials

StudyPhaseWhereStatusRegistered
ALN-CIDEB in adults with MASLD to see if it helps the liver Phase 3 Miami, Florida and 3 other locations Recruiting Oct 2, 2026
Olatorepatide vs placebo for adults with moderate-to-severe hidradenitis suppurativa who are overweight Phase 2 The Bronx, New York Recruiting Sep 21, 2026
Three antibodies plus heparin in adults with end-stage kidney disease on dialysis Phase 1 Ghent, Oost-Vlaanderen Recruiting Aug 12, 2026
REGN17235 for CCUS and LR-MDS with SF3B1 mutation Phase 1 Ghent and 1 other locations Recruiting Aug 7, 2026
Blood-clot prevention with REGN7508 and REGN9933 in people with PICC lines Phase 3 Tbilisi Recruiting Jul 13, 2026
Olatorepatide in adults who are overweight or have obesity (without diabetes) test of safety and dosing Phase 2 Mobile, Alabama and 20 other locations Recruiting Jul 6, 2026
REGN22530 for Adults With Primary Open Angle Glaucoma or Ocular Hypertension Phase 1/2 Deerfield Beach, Florida Recruiting Jun 30, 2026
Cat-allergy eye allergy treatment with REGN-2Cat and study drugs in adults and kids Phase 3 Long Beach, California and 1 other locations Recruiting Jun 30, 2026
ALN-CIDEB for adults with fibrotic MASH (phase 2) Phase 2 Tucson, Arizona and 23 other locations Recruiting Jun 8, 2026
Preventing stroke and systemic embolism in adults with atrial fibrillation using REGN7508 compared with apixaban Phase 3 Alexander City, Alabama and 65 other locations Recruiting Jun 4, 2026

All recruiting trials (70)

Quick answers

How many clinical trials run by Regeneron Pharmaceuticals are recruiting right now?

70, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 42 countries. The most sites are in United States (57 trials), Spain (20 trials), United Kingdom (19 trials), South Korea (19 trials), France (16 trials). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 3: 24, Phase 1/2: 16, Phase 2: 13, Phase 1: 12. Trials with no phase listed are usually device, behavioural or observational studies.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

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Last reviewed 2026-11-12 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.