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Crohn's Disease clinical trials in Los Angeles, CA

15 studies for Crohn's Disease are looking for participants at sites in and around Los Angeles (within about 30 miles). Open a study to see who can join and how to contact the study team.

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A Study to Evaluate the Efficacy and Safety of Tulisokibart (MK-7240) in Participants With Moderate to Severe Crohn's Disease (MK-7240-008)

RecruitingPhase 3
  • Cedars Sinai Medical Center ( Site 5080), Los Angeles
  • UCLA Clinical & Translational Research Center (CTRC) ( Site 5116), Los Angeles
Ages 16 to 80 · All sexes · Updated Oct 2, 2026 · NCT06430801

A Study of Guselkumab in Pediatric Participants With Moderately to Severely Active Crohn's Disease

RecruitingPhase 3
  • Cedars Sinai Medical Center, Los Angeles
Ages 2 to 17 · All sexes · Updated Sep 25, 2026 · NCT05923073

A Study of Guselkumab Versus Risankizumab in Participants With Moderately to Severely Active Crohn's Disease

RecruitingPhase 3
  • TLC Clinical Research Inc, Los Angeles
  • GastroIntestinal Bioscience, Los Angeles
Ages 18 and older · All sexes · Updated Sep 25, 2026 · NCT07499232

A Study of Icotrokinra in Participants With Moderately to Severely Active Crohn's Disease

RecruitingPhase 2/3
  • TLC Clinical Research Inc, Los Angeles
  • GastroIntestinal Bioscience, Los Angeles
Ages 18 and older · All sexes · Updated Sep 25, 2026 · NCT07196722

An Induction Study to Investigate the Efficacy and Safety of Duvakitug in Participants With Moderately to Severely Active Crohn's Disease

RecruitingPhase 3
  • TLC Clinical Research Inc.-Site Number: 8400030, Los Angeles
  • GastroIntestinal Bioscience - Los Angeles-Site Number: 8400019, Los Angeles
Ages 16 to 80 · All sexes · Updated Sep 23, 2026 · NCT07184931

A Study of LY4395089 and Mirikizumab (LY3074828) Given Together and Mirikizumab (Alone) in Adults With Crohn's Disease

RecruitingPhase 2
  • Biopharma Informatic, LLC, Los Angeles
Ages 18 to 80 · All sexes · Updated Sep 22, 2026 · NCT07483099

A Master Protocol (IIBD): A Study of Multiple Drugs in Adults With Ulcerative Colitis or Crohn's Disease

RecruitingPhase 2
  • Biopharma Informatic, LLC, Los Angeles
Ages 18 to 80 · All sexes · Updated Sep 22, 2026 · NCT07483073

A Study of Vedolizumab Intravenous (IV) and Adalimumab or Vedolizumab and Ustekinumab in Adults With Crohn's Disease

RecruitingPhase 4
  • Cedars-Sinai Medical Center, Los Angeles
Ages 18 to 70 · All sexes · Updated Sep 9, 2026 · NCT06045754

A Study of Mirikizumab (LY3074828) in Pediatric Participants With Crohn's Disease

RecruitingPhase 3
  • Cedars Sinai Medical Center, Los Angeles
Ages 2 to 17 · All sexes · Updated Aug 24, 2026 · NCT05509777

Treat-to-Target of Endoscopic Remission in Patients With IBD in Symptomatic Remission

Recruiting
  • Cedars-Sinai, Los Angeles
Ages 18 and older · All sexes · Updated Aug 7, 2026 · NCT05230173

A Study of Vedolizumab With and Without Upadacitinib in Adults With Crohn's Disease

RecruitingPhase 3
  • Keck Medicine Of USC - USC Healthcare Center 1, Los Angeles
Ages 18 to 65 · All sexes · Updated May 27, 2026 · NCT06227910

Clinical, Imaging, and Endoscopic Outcomes of Children Newly Diagnosed With Crohn's Disease

RecruitingPhase 4
  • Cedars-Sinai, Los Angeles
Ages 6 to 17 · All sexes · Updated May 27, 2026 · NCT05781152

Precise Infliximab Exposure and Pharmacodynamic Control

RecruitingPhase 2/3
  • Children's Hospital of Los Angeles, Los Angeles
Ages 6 to 22 · All sexes · Updated May 5, 2026 · NCT05660746

Impact of Prebiotics in Ulcerative Colitis

Recruiting
  • UCLA, Los Angeles
Ages 18 to 85 · All sexes · Updated Feb 27, 2026 · NCT06495658

Stem Cell Transplantation in Crohn's Disease

RecruitingPhase 1/2
  • Cedars-Sinai Medical Center, Los Angeles
Ages 13 to 28 · All sexes · Updated Feb 20, 2026 · NCT04224558

About Crohn's Disease

Crohn's Disease can cause inflammation in any area from the mouth to the anus. Read about medicines, surgery or dietary management to treat symptoms.

More about Crohn's Disease on MedlinePlus

Crohn's Disease trials in other cities

Other studies in Los Angeles

From ClinicalTrials.gov, data retrieved Oct 6, 2026. Each study sets its own eligibility; the study team decides who can join.