Clinical trials · Los Angeles, CA
Crohn’s disease clinical trials in Los Angeles
We’re tracking 34 recruiting crohn’s disease studies with a site in or near Los Angeles — including Phase 1/Phase 2, Phase 2, Phase 2/Phase 3, Phase 3 and Phase 4 studies, each written for real people, not researchers.
Recruiting studies near Los Angeles
- 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.
Los Angeles, CaliforniaAges 18–65 - NCT04779320RecruitingPhase 3
Vedolizumab for teens with moderate to severe Crohn's
This trial tests vedolizumab to treat children and teens with moderate to severe Crohn’s disease when standard treatments haven’t worked or caused side effects. It may help reduce gut inflammation and symptoms and help some patients stay healthier over time.
Los Angeles, CaliforniaAges 2–17 - 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.
Los Angeles, CaliforniaAges 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.
Los Angeles, CaliforniaAges 6–17 - NCT07184931RecruitingPhase 3
Testing duvakitug for active Crohn's disease
This study tests a new drug called duvakitug for people with moderately to severely active Crohn's disease who haven't responded well to other treatments. It aims to see if the drug can reduce symptoms and improve quality of life.
Los Angeles, CaliforniaAges 16–80 - NCT04224558RecruitingPhase 1/Phase 2
Stem cell transplant for hard-to-control Crohn’s disease
This early-phase study tests whether a stem cell transplant can improve Crohn’s disease in teens and young adults whose disease is active and not responding to standard medicines. It may help some people who are not doing well despite several prior treatments, but it also involves intensive study procedures and safety checks.
Los Angeles, CaliforniaAges 13–28 - NCT06257706RecruitingPhase 4
Healing the bowel wall in Crohn's disease with vedolizumab
This study tests whether a medicine called vedolizumab can help heal all layers of the bowel wall in Crohn's disease. It uses a special ultrasound to see inside the bowel, aiming for deeper healing than usual.
Los Angeles, CaliforniaAges 18–80 - 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.
Los Angeles, CaliforniaAges 18–70 - NCT05923073RecruitingPhase 3
Guselkumab for children with active Crohn’s disease
This Phase 3 trial tests guselkumab to treat children with moderately to severely active Crohn’s disease and ongoing inflammation in the bowel. If you qualify, the study will check whether the medicine can improve symptoms and healing, especially in children who did not respond to other treatments.
Los Angeles, CaliforniaAges 2–17 - NCT07483073RecruitingPhase 2
Study of new drugs for moderate to severe ulcerative colitis or Crohn's disease
This trial is testing multiple new drugs for people with moderate to severe ulcerative colitis or Crohn's disease who have not had success with at least one standard treatment. The goal is to find a better option that can help control symptoms and inflammation.
Los Angeles, CaliforniaAges 18–80 - NCT07499232RecruitingPhase 3
Guselkumab vs Risankizumab for Crohn's disease
This trial compares two drugs, guselkumab and risankizumab, to see which works better for people with moderate-to-severe Crohn's disease. Both are given as injections and aim to reduce inflammation in the gut.
Los Angeles, CaliforniaAges 18 years+ - NCT02791854Enrolling by invitation
Improving Care for Adults With Crohn’s or Ulcerative Colitis
This trial looks at ways to improve care for adults living with inflammatory bowel disease, including Crohn’s disease and ulcerative colitis. You may be invited if your clinic is part of an inflammatory bowel disease care network called IBD Qorus.
Los Angeles, CaliforniaAges 18–99 - NCT05660746RecruitingPhase 2/Phase 3
Infliximab dose tailored to control Crohn’s inflammation
This trial tests a more precise way to start infliximab (a Crohn’s medicine) and adjust dosing based on how your body responds. It aims to better control Crohn’s inflammation early and keep it under control.
Los Angeles, CaliforniaAges 6–22 - NCT06495658Recruiting
Prebiotics for ulcerative colitis symptoms
This trial tests whether a prebiotic supplement can improve symptoms of ulcerative colitis. It may be a good option for people with active symptoms who are already on stable medications.
Los Angeles, CaliforniaAges 18–85 - NCT07483099RecruitingPhase 2
Study of two drugs for Crohn's disease
This trial tests if taking a new drug (LY4395089) with mirikizumab works better than mirikizumab alone for adults with Crohn's disease. It also looks at the safety of these treatments.
Los Angeles, CaliforniaAges 18–80 - NCT06560021Enrolling by invitation
Random biopsies in inflammatory bowel disease surveillance
This trial looks at whether taking random biopsies during a routine colonoscopy is helpful for people with inflammatory bowel disease (IBD) who are at risk for colon cancer. It aims to understand if random biopsies can detect early signs of cancer or pre-cancer.
Los Angeles, CaliforniaAges 18 years+ - NCT05230173Recruiting
Treat to endoscopic remission in inflammatory bowel disease
This study tests whether switching to a different treatment for inflammatory bowel disease (IBD) can achieve healing of the gut lining. It is for people whose symptoms are under control but who still have significant inflammation in their bowel.
Los Angeles, CaliforniaAges 18 years+ - NCT05442567RecruitingPhase 3
Vedolizumab study for kids with ulcerative colitis or Crohn’s
This Phase 3 study tests whether vedolizumab can help children with ulcerative colitis (UC) or Crohn’s disease (CD) who improved on earlier treatment. It focuses on kids who can stay off steroid medicines and follow study visits and safety rules.
Los Angeles, CaliforniaAges 2 years+ - 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.
Los Angeles, CaliforniaAges 16–80 - 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.
Los Angeles, CaliforniaAges 18 years+ - 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.
Inglewood, CaliforniaAges 16–80 - NCT06976853RecruitingPhase 2
Testing a new drug for Crohn’s disease beyond inflammation
This study tests a medicine called tirzepatide to see if it can help people with active Crohn’s disease who have not responded to multiple prior treatments. It focuses on how the drug might work beyond just reducing inflammation.
Beverly Hills, CaliforniaAges 18–80 - 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.
Beverly Hills, CaliforniaAges 18–70 - NCT06587828Recruiting
Looking at immune cells in people with autoimmune disease
This study collects blood, tissue, and other samples from people with autoimmune diseases like Crohn's disease, multiple sclerosis, or lupus. Researchers will study your immune cells (T cells) to learn what they are attacking, which could lead to better treatments in the future.
Sherman Oaks, CaliforniaAges 18 years+
Hear when a new Crohn’s disease trial opens near Los Angeles, CA
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Crohn’s disease trials in other cities
Where these studies are running near Los Angeles
Institutions with a site for the recruiting crohn’s disease studies listed above.
- Cedars-Sinai Medical Center · 12 studies
- Hoag Memorial Hospital Presbyterian · 4 studies
- OM Research LLC · 4 studies
- TLC Clinical Research Inc · 4 studies
- Clinnova Research · 3 studies
- Om Research LLC · 3 studies
- Amicis Research Center · 2 studies
- Biopharma Informatic, LLC · 2 studies
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 California.
Common questions
- Are there crohn’s disease clinical trials near Los Angeles?
- Yes. We're currently tracking 34 recruiting crohn’s disease studies with a site near Los Angeles, 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 Los Angeles?
- 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 Los Angeles to take part?
- Not necessarily. These studies have a site near Los Angeles, 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 Los Angeles regularly. Set up a health profile and we’ll quietly watch for studies that fit you and email you when one opens.