Clinical trials · California
Cancer clinical trials in California
We’re tracking 1,320 recruiting cancer studies with a site in California — including Phase 1, Phase 1/Phase 2, Phase 2, Phase 2/Phase 3 and Phase 3 studies, each written for real people, not researchers.
Recruiting studies in California
- NCT06919965RecruitingPhase 3
TAR-210 vs. standard bladder chemo for high-risk bladder cancer
This trial compares a new drug called TAR-210, given directly into the bladder, to standard chemotherapy for people with a specific type of high-risk bladder cancer that has not invaded muscle. It tests if TAR-210 can be more effective with fewer side effects.
Los Angeles, CaliforniaAges 18 years+ - NCT06908928RecruitingPhase 1
Study of Bulumtatug Fuvedotin for advanced triple-negative breast cancer
This study tests a new drug called bulumtatug fuvedotin for people with triple-negative breast cancer that has spread or come back. It's for those who have already tried certain other treatments, including a taxane and a specific type of antibody-drug conjugate.
La Jolla, CaliforniaAges 18 years+ - NCT06907446Recruiting
New SUREcore needle vs standard care for prostate biopsy
This trial compares a new biopsy needle called SUREcore to the standard needle used during prostate biopsies. It aims to see if the SUREcore needle works better or causes less discomfort.
Sacramento, CaliforniaAges 18 years+ - NCT06890598RecruitingPhase 3
Study of olomorasib for KRAS G12C-mutant lung cancer
This trial tests a new targeted therapy (olomorasib) combined with standard treatments for people with a specific type of non-small cell lung cancer that has a KRAS G12C mutation. Depending on the stage of your cancer, you may receive it before or after surgery, or along with chemotherapy and radiation.
Los Angeles, CaliforniaAges 18 years+ - NCT06570642Recruiting
Study on emotions and physical activity
This study looks at how emotions affect your desire to be active. You'll wear a Fitbit smartwatch and answer short surveys to help researchers understand what helps people start and stick with physical activity.
Los Angeles, CaliforniaAges 18 years+ - NCT06880549RecruitingPhase 1
mRNA cancer vaccines alone or with other drugs for solid tumors
This study tests two experimental mRNA vaccines (mRNA-4106 and mRNA-4200) given either alone or together with other cancer treatments. The goal is to see if they are safe and work against advanced or metastatic solid tumors like melanoma, lung, liver, and colon cancer. Participation requires that you have tried or refused all standard treatments.
Los Angeles, CaliforniaAges 18 years+ - NCT06885034RecruitingPhase 1/Phase 2
Testing a New Drug for Advanced Colon, Rectal, or Pancreatic Cancer
This study tests an experimental drug, alone or combined with other treatments, for advanced colon, rectal, or pancreatic cancer that hasn't responded to standard options or cannot be removed by surgery. The goal is to see if it is safe and if it helps shrink or slow the cancer.
Los Angeles, CaliforniaAges 18 years+ - NCT06875310RecruitingPhase 3
Study of adagrasib plus pembrolizumab plus chemotherapy for KRAS G12C lung cancer
This trial tests if adding the targeted drug adagrasib to standard immunotherapy and chemotherapy helps people with a specific KRAS G12C mutation in non-squamous non-small cell lung cancer that has spread. It is for people who have not had previous treatment for advanced disease.
Fullerton, CaliforniaAges 18 years+ - NCT06877884Recruiting
Cancer care data collection registry
This trial gathers information from your routine cancer care to help researchers learn more about real-world treatments and outcomes. No extra tests or procedures are required.
Monterey, CaliforniaAges 18–120 - NCT06868277RecruitingPhase 3
Comparing two drugs for first-line treatment of advanced lung cancer
This trial tests a new drug called Rilvegostomig against the standard drug pembrolizumab (Keytruda) for people with advanced non-small cell lung cancer that has high levels of PD-L1 protein. The goal is to see which drug works better as a first treatment before any other cancer therapy.
La Mesa, CaliforniaAges 18 years+ - NCT06859801Recruiting
Bone pain study combining ablation and radiation
This study looks at combining two treatments for painful bone tumors that have spread from other cancers. It tests if using both treatments together provides better pain relief than either alone.
San Diego, CaliforniaAges 21 years+ - NCT06861244RecruitingPhase 2
ETMR brain tumor trial for children
This trial is for children with a rare brain tumor (ETMR) who have not had radiation. Depending on how much tumor is left after surgery and if it has spread, the study compares giving radiation early versus high-dose chemotherapy.
San Francisco, CaliforniaAges Any age - NCT06850623RecruitingPhase 2
Sound wave therapy plus chemo for advanced pancreatic cancer
This trial tests a new treatment that uses sound waves to help chemotherapy reach pancreatic tumors more effectively. It is for people with locally advanced pancreatic cancer that cannot be removed with surgery.
Stanford, CaliforniaAges 18 years+ - NCT06841354RecruitingPhase 3
Sac-TMT alone or with pembrolizumab for advanced triple-negative breast cancer
This trial tests a new drug, Sac-TMT, given alone or with an immunotherapy drug (pembrolizumab) for people with advanced triple-negative breast cancer who have not yet received any treatment for advanced disease. The goal is to see if this combination can shrink tumors or slow the cancer's growth.
Duarte, CaliforniaAges 18 years+ - NCT06833073RecruitingPhase 2
Study of an mRNA vaccine and BCG for bladder cancer
This trial tests an experimental mRNA vaccine (V940) combined with BCG therapy for people with high-risk non-muscle invasive bladder cancer that hasn't spread. It aims to see if the vaccine can help the immune system better fight the cancer.
Bakersfield, CaliforniaAges 18 years+ - NCT06828185Recruiting
Comparing two surgery methods for testicular cancer
This trial compares two ways of doing surgery (radical orchiectomy) for testicular cancer. One method is the standard approach and the other spares a layer of muscle tissue. The study looks at patient experiences and recovery.
Loma Linda, CaliforniaAges 18 years+ - NCT06823167RecruitingPhase 1
Study of IM-1021 for advanced cancers
This trial tests a new drug (IM-1021) for people with advanced cancers like lymphoma or solid tumors who have run out of standard options. The drug targets a protein called ROR1, which is found on some cancer cells, and may help shrink tumors or slow their growth.
Duarte, CaliforniaAges 18 years+ - NCT06817889RecruitingPhase 2
Remdesivir for RSV in people with weak immune systems
This trial tests if remdesivir can safely treat RSV (a respiratory virus) in people with weakened immune systems, such as those who have had a stem cell or bone marrow transplant, CAR T-cell therapy, or are being treated for blood cancer. If you have a confirmed RSV infection in your nose or throat and are at moderate or high risk for complications, you may be able to join.
Duarte, CaliforniaAges 18 years+ - NCT06807437RecruitingPhase 3
Testing lanreotide before pancreas surgery to prevent leaks
This trial tests if a medicine called lanreotide, given before surgery, can prevent a common complication (pancreatic leak) after removing part of the pancreas. It is for people with pancreatic cancer or a growth that could become cancer who are scheduled for a specific type of pancreas surgery.
San Diego, CaliforniaAges 18 years+ - NCT06809140RecruitingPhase 2
Bladder-sparing treatment for muscle-invasive bladder cancer
This trial tests a combination of two drugs, enfortumab vedotin and pembrolizumab, to treat bladder cancer that has grown into the muscle of the bladder. The goal is to shrink or eliminate the cancer so that surgery to remove the bladder may not be needed.
Duarte, CaliforniaAges 18 years+ - NCT06810778RecruitingPhase 1/Phase 2
Duvelisib plus venetoclax for relapsed PTCL
This study tests two oral drugs—duvelisib and venetoclax—to see if together they can help people with a type of lymphoma called peripheral T-cell lymphoma (PTCL) that has not responded to at least two prior treatments.
Los Angeles, CaliforniaAges 18 years+ - NCT06796907RecruitingPhase 1/Phase 2
Mocertatug rezetecan with other drugs for advanced solid tumors
This trial tests a new drug, mocertatug rezetecan, combined with other anti-cancer therapies for people with advanced solid tumors like endometrial or ovarian cancer. It aims to see if the combination is safe and effective.
La Jolla, CaliforniaAges 18 years+ - NCT06773936Enrolling by invitationPhase 2
Adding asciminib to usual care for adults with newly diagnosed Ph+ ALL
This trial tests if adding asciminib, a targeted pill, to standard treatment works better for adults newly diagnosed with a specific type of acute lymphoblastic leukemia (Ph+ ALL). It is for those who are older, or who cannot or choose not to have intensive chemotherapy.
Orange, CaliforniaAges 60 years+ - NCT06780670RecruitingPhase 2/Phase 3
Comparing a new treatment to standard care for advanced prostate cancer
This study tests a new drug (AAA817) against the usual treatments for men with advanced prostate cancer that has stopped responding to a type of targeted radiation therapy (Lu-PSMA). The goal is to see if the new drug can slow the cancer's growth better than standard options.
Los Angeles, CaliforniaAges 18–100
Cancer trials by city in California
Where these studies are running in California
Institutions with a site for the recruiting cancer studies listed above.
- City of Hope · 6 studies
- GSK Investigational Site · 2 studies
- University of California San Diego Moores Cancer Center · 2 studies
- University of California, Irvine · 2 studies
- University of California, Los Angeles (UCLA) · 2 studies
- University of California, San Francisco · 2 studies
- Bass Medical Group
- City of Hope Orange County Lennar Foundation Cancer Center
What taking part in a cancer 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.
Cancer trials in other states
Common questions
- Are there cancer clinical trials in California?
- Yes. We're currently tracking 1,320 recruiting cancer 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 cancer 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 cancer 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 cancer 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.