Clinical trials · Seattle, WA
Crohn’s disease clinical trials in Seattle
We’re tracking 20 recruiting crohn’s disease studies with a site in or near Seattle — including Phase 2, Phase 2/Phase 3, Phase 3 and Phase 4 studies, each written for real people, not researchers.
Recruiting studies near Seattle
- NCT06315179Recruiting
Spatial gene study for inflammatory bowel disease
This study looks at tissue samples from people with suspected Crohn's disease, ulcerative colitis, or indeterminate colitis. The goal is to understand these conditions better and may lead to improved treatments.
Seattle, WashingtonAges 6–21 - NCT06227910RecruitingPhase 3
Study of vedolizumab with or without upadacitinib for Crohn's disease
This trial tests combining two medicines, vedolizumab and upadacitinib, to see if they work better together than vedolizumab alone for people with moderate to severe Crohn's disease that hasn't responded well to other treatments.
Seattle, WashingtonAges 18–65 - NCT03256240Recruiting
Two surgical options for Crohn’s bowel resection
This trial compares two ways of reconnecting the bowel after surgery in people with Crohn’s disease that affects the small intestine and/or colon. It aims to see which reconnection method works better after the initial surgery, even if you’re on Crohn’s medicines before the operation.
Seattle, WashingtonAges 18–90 - NCT05509777RecruitingPhase 3
Mirikizumab for children with active Crohn’s disease
This study tests mirikizumab to reduce inflammation and symptoms in children with Crohn’s disease that is currently active. It may help if your Crohn’s has not improved enough (or stopped working) with at least one other Crohn’s medicine.
Seattle, WashingtonAges 2–17 - NCT05781152RecruitingPhase 4
Testing how new Crohn’s imaging and scopes predict outcomes
This study follows children newly diagnosed with Crohn’s disease to see how results from scans and endoscopy (camera scope) relate to outcomes over the first year. It may help doctors choose better early treatment plans and monitor children more effectively.
Seattle, WashingtonAges 6–17 - NCT06456593RecruitingPhase 2
Obefazimod for moderate to severe Crohn's disease
This trial tests an experimental oral medication called obefazimod for people with moderate to severe Crohn's disease. It aims to see if the drug can reduce inflammation and improve symptoms when other treatments have not worked well.
Seattle, WashingtonAges 18–75 - NCT06548542RecruitingPhase 2
Targeted therapy study for moderate to severe Crohn's disease
This study tests a new targeted therapy for adults with moderate to severe Crohn's disease who haven't responded well to other treatments. It aims to reduce inflammation and improve symptoms.
Seattle, WashingtonAges 18–75 - NCT06819878RecruitingPhase 3
Afimkibart for moderate to severe Crohn's disease
This study tests an experimental drug called afimkibart for people with moderate to severe Crohn's disease who haven't responded well to other treatments. The goal is to see if the drug can help control symptoms and reduce inflammation over time.
Seattle, WashingtonAges 16–80 - NCT06430801RecruitingPhase 3
Study of tulisokibart for moderate to severe Crohn's disease
This trial tests a new medicine called tulisokibart for people with moderate to severe Crohn's disease. The medicine may help reduce inflammation and improve symptoms. It is for those who have not had success with other treatments.
Seattle, WashingtonAges 16–80 - NCT06233461RecruitingPhase 2
A study of TAK-279 for Crohn's disease
This study tests an oral medication called TAK-279 to see if it can safely reduce inflammation in the bowel for people with moderate to severe Crohn's disease who haven't had success with other treatments.
Seattle, WashingtonAges 18–75 - NCT06216899Recruiting
Liquid diet study for new Crohn's in kids and teens
This study tests a special liquid diet (smoothie) to treat newly diagnosed Crohn's disease in children and young adults. It aims to understand how the diet works and if it can help reduce inflammation.
Seattle, WashingtonAges 8–21 - NCT07113522RecruitingPhase 2
Study of new therapies for Crohn's and colitis
This trial tests new therapies for people with moderate to severe Crohn's disease or ulcerative colitis. It may help if your standard treatments aren't working well enough.
Bellevue, WashingtonAges 18–80 - NCT06581328RecruitingPhase 4
Study of vedolizumab for ulcerative colitis or Crohn's disease
This study tests the drug vedolizumab in adults with moderate to severe ulcerative colitis or Crohn's disease. It aims to see how well the medicine works in a community (non-hospital) setting.
Bellevue, WashingtonAges 18–80 - NCT06637631RecruitingPhase 2
Testing an oral pill for moderate to severe Crohn's disease
This study tests an experimental oral pill (SAR441566) for people with moderate to severe Crohn's disease. It aims to see if the drug can reduce inflammation and improve symptoms, especially for those who have not had success with other treatments.
Tacoma, WashingtonAges 18–75 - NCT06405087RecruitingPhase 3
Long-term study of vedolizumab for children with IBD
This study is for children and teenagers with ulcerative colitis or Crohn's disease who have already completed a previous vedolizumab study and are doing well. It will look at the long-term safety and effectiveness of continuing vedolizumab treatment.
Tacoma, WashingtonAges 2–17 - NCT06651281RecruitingPhase 3
Long-term safety and effectiveness of tulisokibart for Crohn's or colitis
This study gives tulisokibart to people who already took part in an earlier trial for Crohn's disease or ulcerative colitis and are still benefiting from it. The goal is to see how safe and effective the medicine is over a longer period.
Tacoma, WashingtonAges Any age - NCT06100289RecruitingPhase 3
Study of vedolizumab for kids with ulcerative colitis or Crohn's disease
This trial tests vedolizumab, a biologic medicine that reduces inflammation, in children and teenagers who have moderate to severe ulcerative colitis or Crohn's disease and have not responded well to other treatments.
Tacoma, WashingtonAges 2–17 - NCT06045754RecruitingPhase 4
Study of vedolizumab with other drugs for Crohn's disease
This trial tests whether combining vedolizumab with adalimumab or ustekinumab helps people with moderate to severe Crohn's disease who haven't responded to other treatments. It aims to find better ways to manage symptoms and improve quality of life.
Tacoma, WashingtonAges 18–70 - NCT06937099RecruitingPhase 3
Testing two drugs for Crohn's with weight issues
This trial tests two study drugs, mirikizumab and tirzepatide, in people with moderate to severe Crohn's disease who also have overweight or obesity. The goal is to see if these treatments can help control Crohn's symptoms and inflammation.
Tacoma, WashingtonAges 18–70 - NCT07196722RecruitingPhase 2/Phase 3
Testing icotrokinra for moderate to severe Crohn's disease
This study tests a new medicine called icotrokinra for people with moderate to severe Crohn's disease who have not responded well to other treatments. It aims to see if icotrokinra can help reduce symptoms and improve gut health.
Tacoma, WashingtonAges 18 years+
Hear when a new Crohn’s disease trial opens near Seattle, WA
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Crohn’s disease trials in other cities
Where these studies are running near Seattle
Institutions with a site for the recruiting crohn’s disease studies listed above.
- Washington Gastroenterology · 6 studies
- University of Washington · 5 studies
- Seattle Children's Hospital · 4 studies
- MultiCare Health System · 2 studies
- Virginia Mason Medical Center · 2 studies
- GI Alliance
- GI Alliance Tacoma
- Mirador Therapeutics Selected Site
What taking part in a crohn’s disease study involves
A screening visit first
Before anything else, the study team checks whether you fit — usually a visit with some tests. You can stop at any point, and screening is typically free.
Care at a nearby site
Study visits happen at a clinic or hospital taking part. Many studies cover the cost of the study treatment and related visits, and some reimburse travel.
You stay in control
Taking part is voluntary and you can leave a study at any time, for any reason, without affecting your regular care.
The team decides eligibility
Our fit check is a helpful first read, not a decision. The study team makes the final call after reviewing your health history.
Looking wider? See all recruiting crohn’s disease studies in Washington.
Common questions
- Are there crohn’s disease clinical trials near Seattle?
- Yes. We're currently tracking 20 recruiting crohn’s disease studies with a site near Seattle, each rewritten in plain language so you can see what it's testing and who it's for.
- How do I find out if I qualify for a crohn’s disease study near Seattle?
- Each study lists its eligibility rules — age, diagnosis, prior treatments. On every trial page we explain these in plain language and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Do I have to live in Seattle to take part?
- Not necessarily. These studies have a site near Seattle, but eligibility is about your health, not your address — some people travel to take part, and a few studies reimburse travel. The study team can tell you what's required.
- Does it cost anything to join a crohn’s disease trial?
- Using Clin2 is always free. Many trials cover the study treatment and related visits; some reimburse travel. The study team explains exactly what's covered before you decide.
Not the right time?
New crohn’s disease studies open near Seattle regularly. Set up a health profile and we’ll quietly watch for studies that fit you and email you when one opens.