Clinical trials · California
Psoriatic Arthritis clinical trials in California
We’re tracking 16 recruiting psoriatic arthritis studies with a site in California — including Phase 1, Phase 2, Phase 3 and Phase 4 studies, each written for real people, not researchers.
Recruiting studies in California
- NCT07286058RecruitingPhase 3
Long-term study of zasocitinib for psoriatic arthritis
This study is for people with psoriatic arthritis who have already completed a year-long treatment with zasocitinib or a similar medicine in a previous study. It tests whether continuing to take zasocitinib remains safe and helpful over a longer time.
Fountain Valley, CaliforniaAges 18 years+ - NCT07321873RecruitingPhase 2
Study of JNJ-88545223 for Active Psoriatic Arthritis
This study tests an experimental drug called JNJ-88545223 to see if it can reduce joint pain, swelling, and skin plaques in people with active psoriatic arthritis. It may help if you have both joint symptoms and psoriasis.
Huntington Beach, CaliforniaAges 18 years+ - NCT06865105RecruitingPhase 2
Targeted treatments for active psoriatic arthritis
This study tests targeted medications for people with active psoriatic arthritis (PsA) who have already tried 1 or 2 other advanced treatments without success or couldn't tolerate them. The goal is to see if these newer options can better control joint pain and skin symptoms.
Huntington Beach, CaliforniaAges 18 years+ - NCT07223138Enrolling by invitationPhase 3
Long-term safety study of sonelokimab for psoriatic arthritis
This study is for people who have already been in a previous trial of sonelokimab for psoriatic arthritis and want to continue treatment. It checks how safe and effective the medicine is over a longer time.
Upland, CaliforniaAges 18 years+ - NCT06869551RecruitingPhase 3
Testing a New Drug for Juvenile Psoriatic Arthritis
This study tests an investigational drug called Deucravacitinib to see if it can safely and effectively treat Juvenile Psoriatic Arthritis in children. You may be able to join if standard treatments haven't helped enough.
Lancaster, CaliforniaAges 5–17 - NCT06751238RecruitingPhase 1
Secukinumab for children with psoriatic arthritis
This study tests a drug called secukinumab (given through an IV) in children with juvenile psoriatic arthritis. The goal is to see how well it works and if it's safe over time, for up to 6 years.
Loma Linda, CaliforniaAges 2–17 - NCT07486960RecruitingPhase 2
Study of Tulisokibart for Psoriatic Arthritis
This trial tests a new drug called tulisokibart for people with psoriatic arthritis (PsA), a condition that causes joint pain and skin plaques. It may help if you have not tried certain biologic medications or if they did not work well.
Riverside, CaliforniaAges 18–80 - NCT06671483RecruitingPhase 3
Zasocitinib for psoriatic arthritis without prior biologic use
This trial tests an oral medication called zasocitinib for adults with psoriatic arthritis who have not tried biologic medicines before. It aims to see if the drug can improve joint pain, swelling, and skin symptoms.
Fountain Valley, CaliforniaAges 18 years+ - NCT06641089RecruitingPhase 3
Sonelokimab for psoriatic arthritis after TNF inhibitor failure
This study tests an investigational drug called sonelokimab for people with active psoriatic arthritis who have already tried a TNF-alpha inhibitor (like adalimumab) and it didn't work well enough. The goal is to see if sonelokimab can reduce joint pain and swelling and improve skin symptoms.
La Jolla, CaliforniaAges 18 years+ - NCT06671496RecruitingPhase 3
Zasocitinib for psoriatic arthritis in adults
This study tests an oral medicine called zasocitinib for people with psoriatic arthritis who have not had enough relief from other treatments. It may help reduce joint pain and skin symptoms.
Covina, CaliforniaAges 18 years+ - NCT06864026RecruitingPhase 4
Adding tirzepatide to ixekizumab for psoriatic arthritis with weight concerns
This study tests adding tirzepatide (a once-weekly injection for weight and diabetes) to your current treatment with ixekizumab for psoriatic arthritis. It may help with both joint symptoms and weight.
Apple Valley, CaliforniaAges 18 years+ - NCT03816345RecruitingPhase 1
Nivolumab for advanced cancer with autoimmune conditions
This Phase 1 study tests nivolumab, an immunotherapy “anti-cancer accelerator,” in people with advanced cancer who also have an autoimmune disorder. It aims to see if nivolumab can be given safely and whether it may help shrink or control cancer.
Palo Alto, CaliforniaAges 18 years+ - NCT06888193RecruitingPhase 1
Bimekizumab in breast milk of mothers being treated
This study measures how much bimekizumab (Bimzelx) gets into breast milk. It helps us understand if the medicine is safe for breastfeeding babies whose mothers take this drug.
Santa Monica, CaliforniaAges 18 years+ - NCT06586281Recruiting
Guselkumab for psoriasis arthritis and fatty liver
This study looks at whether the drug guselkumab can help people who have both psoriatic arthritis and non-alcoholic fatty liver disease (NAFLD). If you are starting guselkumab for your psoriatic arthritis and have a fatty liver, you may be able to join.
San Diego, CaliforniaAges Any age - NCT07290036RecruitingPhase 1
Testing different ways to give bimekizumab for psoriatic arthritis or axial spondyloarthritis
This study looks at whether giving bimekizumab in different ways is safe and how it moves through the body over time. It is for adults with active psoriatic arthritis or axial spondyloarthritis who may benefit from bimekizumab treatment.
Apple Valley, CaliforniaAges 18 years+ - NCT02103361Recruiting
Pregnancy registry for Stelara or Tremfya exposure
This study is a pregnancy exposure registry. It collects information to better understand pregnancy outcomes after exposure to Stelara or Tremfya (medicines used for autoimmune diseases).
La Jolla, CaliforniaAges Any age
Psoriatic Arthritis trials by city in California
Where these studies are running in California
Institutions with a site for the recruiting psoriatic arthritis studies listed above.
- Medvin Clinical Research · 4 studies
- Cohen Medical Center · 3 studies
- Newport Huntington Medical Group · 3 studies
- Purushotham & Akther Kotha MD Inc · 3 studies
- Clinical Site · 2 studies
- First OC Dermatology · 2 studies
- Rheumatology Center of San Diego · 2 studies
- Triwest Research Associates LLC · 2 studies
What taking part in a psoriatic arthritis 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.
Psoriatic Arthritis trials in other states
Common questions
- Are there psoriatic arthritis clinical trials in California?
- Yes. We're currently tracking 16 recruiting psoriatic arthritis studies with a site in California, 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 psoriatic arthritis study in California?
- 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 California to take part?
- Not necessarily. These studies have a site in California, 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 psoriatic arthritis 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 psoriatic arthritis studies open in California regularly. Set up a health profile and we’ll quietly watch for studies that fit you and email you when one opens.
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.