Clinical trials · California
Neoplasms clinical trials in California
We’re tracking 249 recruiting neoplasms studies with a site in California — including Early Phase 1, Phase 1, Phase 1/Phase 2, Phase 2 and Phase 3 studies, each written for real people, not researchers.
Recruiting studies in California
- NCT06431594RecruitingPhase 1
Study of a new drug for advanced solid tumors
This trial tests a new drug called Mocertatug Rezetecan for people with advanced solid tumors that have stopped responding to standard treatments. It targets a protein called B7-H4 on cancer cells to try to slow or shrink the tumor.
Fountain Valley, CaliforniaAges 18 years+ - NCT06388967Recruiting
Pancreatic cancer detection study
This study is looking at blood or tissue samples from people with pancreatic cancer and from those without it. The goal is to find ways to detect the cancer earlier.
Monrovia, CaliforniaAges 18 years+ - NCT06353386RecruitingPhase 1/Phase 2
Opevesostat combinations for advanced prostate cancer
This study tests a new drug called opevesostat, alone or combined with other treatments, for men with advanced prostate cancer that has spread and stopped responding to hormone therapy. It aims to see if it can help control the cancer.
La Jolla, CaliforniaAges 18 years+ - NCT06319820RecruitingPhase 3
TAR-210 vs standard bladder chemo for FGFR-mutated bladder cancer
This trial compares a new drug, TAR-210, which is placed directly into the bladder, against standard chemotherapy given through a catheter. It is for people with a specific type of bladder cancer that has a change in the FGFR gene.
Los Alamitos, CaliforniaAges 18 years+ - NCT06327685RecruitingPhase 1
Avapritinib and Decitabine for SM-AHN
This trial tests a combination of two drugs, avapritinib and decitabine, for people with systemic mastocytosis plus another blood cancer (SM-AHN). The goal is to see if the combination works better than either drug alone.
Palo Alto, CaliforniaAges 18 years+ - NCT06312176RecruitingPhase 3
Study of new drugs for HR+/HER2- advanced breast cancer
This trial tests two new drugs (sacituzumab tirumotecan and pembrolizumab) against standard treatments for a type of advanced breast cancer that is hormone receptor positive and HER2 negative. It's for people whose cancer has worsened despite hormone therapy with a CDK4/6 inhibitor.
Fullerton, CaliforniaAges 18 years+ - NCT06256588RecruitingPhase 3
Dostarlimab vs placebo after chemoradiation for head and neck cancer
This study tests whether the immunotherapy drug dostarlimab, given after standard chemoradiation, can keep advanced head and neck cancer from coming back. It is for people who have not had surgery and whose tumors are PD-L1 positive.
Los Angeles, CaliforniaAges 18 years+ - NCT03418961RecruitingPhase 3
Study of heart-risk management for metastatic HER2 breast cancer
This trial follows people with metastatic HER2-positive breast cancer who are at higher risk for heart damage while on HER2-targeted therapy. Some participants are randomly assigned to different monitoring/heart-protection approaches to see what best helps keep the heart safe.
Mission Hills, CaliforniaAges 18 years+ - NCT06136650RecruitingPhase 3
Study of a new drug for advanced prostate cancer
This study tests a new oral drug called opevesostat against another standard hormone therapy for men with advanced prostate cancer that has spread and is no longer controlled by a first hormone therapy. It's for men who have not had chemotherapy for this stage and who have not used a PARP inhibitor or chose not to.
Irvine, CaliforniaAges 18 years+ - NCT06119581RecruitingPhase 3
Oloromosib with Immunotherapy as First Treatment for KRAS G12C Lung Cancer
This trial tests a new targeted pill (olomorasib) combined with immunotherapy (pembrolizumab) and possibly chemotherapy for people with advanced non-small cell lung cancer that has a KRAS G12C mutation and has not been treated before.
Los Angeles, CaliforniaAges 18 years+ - NCT03452774Recruiting
AI matches your cancer tests to possible treatment trials
This trial uses an AI system to help match people with certain cancer types and specific tumor test results (like gene or protein markers) to relevant clinical trials. It may help you and your doctor find studies that fit your cancer biology faster.
Duarte, CaliforniaAges Any age - NCT02280161Recruiting
Study of inherited cancer gene samples in blood and saliva
This study collects blood and saliva to look for inherited gene changes in people who have been diagnosed with cancer. It may help researchers understand what genetic risks could be involved, which could guide future cancer care.
Los Angeles, CaliforniaAges 18 years+ - NCT06075810RecruitingPhase 1
Oral MBQ-167 for advanced breast cancer
This trial tests an experimental oral drug, MBQ-167, for people with advanced breast cancer who have tried other treatments or have no standard options left. The goal is to see if the drug can help slow or stop the cancer.
Beverly Hills, CaliforniaAges 21 years+ - NCT06072612RecruitingPhase 3
Bria-IMT plus CPI vs standard care for advanced breast cancer
This trial tests a new combination of two immunotherapy drugs (Bria-IMT and a checkpoint inhibitor) against your doctor's choice of standard treatments. It is for people with advanced breast cancer that has spread and who have already tried several prior therapies.
Los Angeles, CaliforniaAges 18 years+ - NCT06056830RecruitingPhase 3
PET scan for high-risk prostate cancer before surgery
This trial uses a special PET scan to find prostate cancer cells before surgery. It may help doctors see where the cancer is located and if it has spread.
Los Angeles, CaliforniaAges 18 years+ - NCT06067347Recruiting
PETAL Consortium study on T-cell and NK-cell lymphoma
This study, run by Massachusetts General Hospital, is collecting information from people around the world who have certain types of T-cell or NK-cell lymphoma. It aims to learn more about these cancers and how they are managed.
Duarte, CaliforniaAges 18 years+ - NCT06063486RecruitingPhase 2
Curcumin for inflammation and symptoms in blood disorders
This trial tests whether curcumin, a natural compound found in turmeric, can reduce inflammation and improve symptoms like fatigue in people with certain blood disorders that cause low blood counts or overproduction of blood cells. It is for patients with clonal cytopenia of uncertain significance, low-risk myelodysplastic syndrome, or myeloproliferative neoplasms (polycythemia vera, essential thrombocytosis, or myelofibrosis) who have bothersome symptoms.
Los Angeles, CaliforniaAges 18 years+ - NCT05999994RecruitingPhase 2
Testing new drugs for children and young adults with cancer
This trial tests several experimental drugs for children and young adults with cancer. It aims to find safe and effective treatments by matching participants to one of several drug studies based on their cancer type and health.
Los Angeles, CaliforniaAges 1–39 - NCT06001788RecruitingPhase 1
Ziftomenib for relapsed or refractory acute myeloid leukemia
This trial tests a new drug combination called ziftomenib for people whose acute myeloid leukemia (AML) has come back or hasn't responded to treatment. Researchers will check how safe it is and what side effects happen.
Los Angeles, CaliforniaAges 18 years+ - NCT05882058RecruitingPhase 2
Dose test of a DLL3 cancer drug for neuroendocrine tumors
This Phase 2 study tests how different doses of BI 764532 affect people with small cell lung cancer or certain other neuroendocrine cancers. It may help shrink tumors and improve symptoms after standard treatments have stopped working.
San Francisco, 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+ - NCT05830058RecruitingPhase 2
PET-guided focused radiation for limited worsening lung, melanoma, kidney cancer
This Phase 2 study tests whether using a PET scan to guide focused radiation (SBRT) can control a small number of cancer spots that are starting to grow despite prior treatment. It may help patients avoid wider radiation by targeting only the limited progressing areas.
Duarte, CaliforniaAges 18 years+ - NCT05773144Recruiting
Exercise program during chemotherapy for colon cancer recovery
This trial tests an aerobic exercise plan during chemotherapy for people with stage II or III colon cancer. It compares different exercise approaches to see if exercise can be done safely and may improve how you tolerate treatment and recovery.
Oakland, CaliforniaAges 18 years+ - NCT05733949RecruitingEarly Phase 1
Targeted radiation for people with many solid tumor metastases
This trial tests a precise type of radiation that targets multiple tumor spots in a carefully planned way. It may help people with many metastatic (spread) solid tumors when standard treatments aren’t working or can’t be used.
Duarte, CaliforniaAges 18 years+
Neoplasms trials by city in California
Where these studies are running in California
Institutions with a site for the recruiting neoplasms studies listed above.
- City of Hope · 5 studies
- USC Norris Comprehensive Cancer Center · 4 studies
- University of California, Irvine · 3 studies
- GSK Investigational Site · 2 studies
- Kaiser Permanente-Vallejo · 2 studies
- UCLA Hematology/Oncology - Santa Monica · 2 studies
- University of California, San Francisco · 2 studies
- Alta Bates Summit Medical Center
What taking part in a neoplasms 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.
Neoplasms trials in other states
Common questions
- Are there neoplasms clinical trials in California?
- Yes. We're currently tracking 249 recruiting neoplasms 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 neoplasms 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 neoplasms 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 neoplasms 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.