Clinical trials · California
Solid Tumor, Adult clinical trials in California
We’re tracking 88 recruiting solid tumor, adult studies with a site in California — including Phase 1, Phase 1/Phase 2, Phase 2, Phase 3 and Phase 4 studies, each written for real people, not researchers.
Recruiting studies in California
- NCT06395103RecruitingPhase 1/Phase 2
Zilovertamab vedotin for blood cancers and solid tumors
This trial tests a new drug called zilovertamab vedotin for children and young adults with certain blood cancers or solid tumors. The drug is designed to target and kill cancer cells, and the study will see if it is safe and effective.
Los Angeles, CaliforniaAges 6 months–25 years - NCT05948865RecruitingPhase 1
Early trial drug for advanced solid tumors
This Phase 1 study tests CPO301 in adults with advanced or metastatic solid tumors that have worsened or cannot be treated with standard options. It aims to find the safest dose and understand how the treatment affects tumors, especially in certain lung cancer groups.
Santa Monica, CaliforniaAges 18 years+ - NCT06413680RecruitingPhase 1/Phase 2
Study of REGN10597 with or without cemiplimab for advanced solid tumors
This study tests a new drug called REGN10597, either alone or with cemiplimab, for people with advanced solid tumors (like melanoma or kidney cancer) that have not responded to standard treatments. The goal is to see if the combination can shrink tumors or slow their growth.
San Francisco, CaliforniaAges 18 years+ - NCT07488676RecruitingPhase 1/Phase 2
Study of ASP546C for stomach, pancreas, and other cancers
This trial tests a new drug called ASP546C in people with certain advanced cancers that have a specific marker (CLDN18.2). It aims to see if the drug can shrink or slow tumor growth.
Los Angeles, CaliforniaAges 18 years+ - NCT07169734RecruitingPhase 1/Phase 2
ALE.P03 for advanced CLDN1-positive solid tumors
This trial tests a new drug, ALE.P03, for people with advanced or metastatic solid tumors that have a certain protein (CLDN1). The drug is given alone (monotherapy) to see if it can shrink tumors or slow their growth.
Los Angeles, CaliforniaAges 18 years+ - NCT07432295RecruitingPhase 2
Givastomig plus nivolumab and chemo for advanced stomach cancer
This trial tests a new drug, givastomig, combined with standard immunotherapy (nivolumab) and chemotherapy for people with advanced stomach, gastroesophageal junction, or esophageal cancer. It is for people whose tumors have certain markers (CLDN18.2 and PD-L1) and who have not had treatment for advanced disease.
Duarte, CaliforniaAges 18 years+ - NCT05372640RecruitingPhase 1
Drug combo trial for rare cancers with shared NUT features
This Phase 1 trial tests the safety and early signs of effectiveness of combining two anti-cancer drugs (ZEN003694 and abemaciclib) in teens and adults with metastatic or unresectable NUT carcinoma, breast cancer, and other solid tumors. It may help by finding a safer dose and whether the drug combination can shrink or control tumors that do not respond to standard treatments.
Los Angeles, CaliforniaAges 12 years+ - NCT05005403RecruitingPhase 1
Testing azirkitug for lung, head/neck, and other solid cancers
This Phase 1 study tests how a new medicine (azirkitug) behaves in the body and how safe it is, given by IV infusion alone or with other cancer drugs. It may help people with several advanced solid tumor cancers, especially after standard treatments have stopped working.
Duarte, CaliforniaAges 18 years+ - NCT05877599RecruitingPhase 1
Study of a new treatment for advanced cancers with a specific gene change
This trial tests a new type of therapy (NT-175) for people with certain advanced cancers that have a specific genetic change. It might help if your tumor has the TP53 R175H mutation and you have the HLA-A*02:01 immune marker.
Santa Monica, CaliforniaAges 18 years+ - NCT07486713RecruitingPhase 4
Olutasidenib drug interaction study for IDH1 mutation cancers
This trial tests how olutasidenib interacts with other drugs in people with cancers that have an IDH1 mutation, like certain leukemias or brain tumors. Participation may help determine the best way to take this treatment safely.
Orange, CaliforniaAges 18 years+ - NCT06500819RecruitingPhase 1
B7-H3 CAR T cells for relapsed solid tumors
This trial tests a new immune therapy using your own cells (called B7-H3 CAR T cells) to treat solid tumors that haven't responded to other treatments. It may help children and young adults with certain cancers that are hard to cure.
Palo Alto, CaliforniaAges 2–30 - NCT05503797RecruitingPhase 2
Study of FORE8394 for cancers with BRAF changes
This trial tests a new drug, FORE8394, for people whose cancers have a change in the BRAF gene. It may be an option if you have a solid tumor or brain tumor that has not responded to other treatments.
Beverly Hills, CaliforniaAges 8 years+ - NCT04142437Recruiting
Tracking how larotrectinib works for NTRK fusion cancers in routine care
This study follows people with cancers that have an NTRK gene fusion to learn how safe and effective larotrectinib is during everyday treatment. It may help confirm whether this medicine works well in real-world patients and side effects stay manageable.
Los Angeles, CaliforniaAges Any age - NCT07241039RecruitingPhase 1
Study of an oral drug for advanced squamous cell cancers
This study tests an oral drug called ABBV-711, alone or with another drug, for adults with advanced squamous cell cancers of the head, neck, or lung that have stopped responding to standard treatments. It aims to see how safe and effective the drug is.
Duarte, CaliforniaAges 18 years+ - NCT06513962RecruitingPhase 3
Triptorelin to protect ovaries in young women with cancer
This study tests whether a medicine called triptorelin can protect the ovaries in young women and teens receiving strong chemotherapy for cancer. If you are newly diagnosed with a cancer (other than breast cancer) and are about to get certain chemotherapy drugs, this trial may help preserve your fertility.
Los Angeles, CaliforniaAges Up to 39 years - NCT07585266RecruitingPhase 3
New drug velzatinib versus imatinib for untreated GIST
This trial compares a newer cancer drug (velzatinib) with a standard treatment (imatinib) for gastrointestinal stromal tumors (GIST) that cannot be surgically removed or have spread. You would receive one of these two drugs to see which works better and is safer.
San Francisco, CaliforniaAges 18 years+
Solid Tumor, Adult trials by city in California
Where these studies are running in California
Institutions with a site for the recruiting solid tumor, adult studies listed above.
- USC Norris Comprehensive Cancer Center · 5 studies
- Hoag Memorial Hospital Presbyterian · 2 studies
- California Research Inst.
- Children's Hospital Los Angeles ( Site 1006)
- Children's Hospital of Orange County
- City of Hope
- City of Hope - Orange County Lennar Foundation Cancer Center /ID# 278432
- City of Hope - Orange County Lennar Foundation Cancer Center /ID# 278589
What taking part in a solid tumor, adult 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.
Solid Tumor, Adult trials in other states
Common questions
- Are there solid tumor, adult clinical trials in California?
- Yes. We're currently tracking 88 recruiting solid tumor, adult 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 solid tumor, adult 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 solid tumor, adult 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 solid tumor, adult 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.