Clinical trials · California
Small Cell Lung Cancer clinical trials in California
We’re tracking 280 recruiting small cell lung 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
- NCT07195695RecruitingPhase 3
Zongertinib after surgery for HER2-mutated lung cancer
This trial tests a new pill, zongertinib, against standard of care for people with early-stage (II–IIIB) non-small cell lung cancer that has a specific HER2 mutation in the tyrosine kinase domain. The goal is to see if zongertinib can prevent the cancer from coming back after complete surgical removal.
Fresno, CaliforniaAges 18 years+ - NCT06500455RecruitingPhase 3
Standard vs longer radiation for brain metastases
This trial compares the usual short course of radiation therapy (one session) to a longer course (up to 5 sessions) for people with cancer that has spread to the brain. The goal is to see if the longer course works better and causes fewer side effects.
Anaheim, CaliforniaAges 18 years+ - NCT06500481RecruitingPhase 3
Proton vs standard radiation for cancer spread to brain/spine lining
This trial compares a newer type of radiation (proton therapy) to standard radiation for people whose breast or lung cancer has spread to the lining of the brain and spinal cord. It aims to see if proton therapy can better control the disease while causing fewer side effects.
Encinitas, CaliforniaAges 18 years+ - NCT06518057RecruitingPhase 2
Sparing memory during brain radiation for leptomeningeal metastases
This trial tests a special type of radiation that avoids the memory center of the brain (the hippocampus) while treating cancer that has spread to the lining of the brain and spinal cord. It may help reduce side effects on thinking and memory for people with breast or lung cancer.
San Francisco, CaliforniaAges 18 years+ - NCT06538038Recruiting
Osimertinib plus chemo vs. osimertinib alone for EGFR-mutated NSCLC
This study compares two standard treatments for advanced lung cancer with an EGFR mutation: osimertinib alone versus osimertinib plus chemotherapy. It aims to see which approach works better and is not a trial of a new drug, so you can receive usual care while contributing data.
San Jose, CaliforniaAges 18 years+ - NCT06545331RecruitingPhase 1
A study of XB010 for advanced solid tumors
This trial tests an investigational drug called XB010 for people with solid tumors that have spread or cannot be removed by surgery. It aims to see if XB010 is safe and effective for several cancer types, including lung, breast, head and neck, and esophageal cancers.
Irvine, CaliforniaAges 18 years+ - NCT06561386RecruitingPhase 3
Testing a new drug combo for advanced lung cancer
This trial is comparing a new combination of two immunotherapy drugs (nivolumab and relatlimab) plus chemotherapy against the standard immunotherapy (pembrolizumab) plus chemotherapy for people with advanced non-squamous non-small cell lung cancer that has a certain protein (PD-L1) on at least 1% of its cells. The goal is to see if the new combination works better.
Los Angeles, CaliforniaAges 18 years+ - NCT06561685RecruitingPhase 1
Study of LY4050784 for Advanced Solid Tumors with SMARCA4 Changes
This trial tests a new drug, LY4050784, for people with advanced solid tumors that have a specific change in a gene called SMARCA4 (BRG1). The study aims to see if the drug is safe and effective. It may be an option for those who have tried other treatments or have no standard options left.
Santa Monica, CaliforniaAges 18 years+ - NCT06586515RecruitingPhase 1
Testing a new drug for cancers with KRAS G12D mutation
This trial tests a new pill (LY3962673) for people whose cancer has a specific DNA change called KRAS G12D. The drug aims to block the faulty protein that helps the cancer grow, and the study will look at safety and whether the tumor shrinks.
Duarte, CaliforniaAges 18 years+ - NCT06586957RecruitingPhase 1
Study of NKT3964 for advanced solid tumors
This trial is testing an experimental oral drug called NKT3964 for people with advanced solid tumors that have stopped responding to standard treatments. The drug works by blocking a protein called CDK2, which some cancers need to grow.
San Francisco, CaliforniaAges 18 years+ - NCT06592638RecruitingPhase 1
ZG006 for small cell lung cancer
This trial tests a new drug called ZG006 for people with small cell lung cancer that has not responded to or can no longer tolerate standard treatments. The goal is to find the best dose and see if it can help shrink or control the cancer.
Orange, CaliforniaAges 18–75 - NCT06598306RecruitingPhase 1
Tarlatamab injection for advanced small cell lung cancer
This trial tests a new drug called tarlatamab, given as an injection under the skin (like a shot), for people with advanced small cell lung cancer that has worsened after chemotherapy. The goal is to see if this treatment can help shrink or slow down the cancer.
Los Angeles, CaliforniaAges 18 years+ - NCT06465329RecruitingPhase 2
Study of drug combinations for operable lung cancer
This trial tests different combinations of the immunotherapy cemiplimab and chemotherapy for people with stage II to IIIB non-small cell lung cancer that can be surgically removed. The goal is to see if adding other treatments helps more than the standard approach.
Orange, CaliforniaAges 18 years+ - NCT06139627Recruiting
Geriatric assessment for older adults with lung cancer getting chemotherapy and radiation
This trial tests whether a special geriatric assessment can help manage side effects for adults aged 60 and older with non-small cell lung cancer who are starting a new treatment plan that includes chemotherapy and radiation. It aims to improve quality of life and treatment outcomes.
Duarte, CaliforniaAges 60 years+ - NCT06103682Recruiting
Treating growing lung spots with local therapy
This trial tests if focusing treatment on a few new or growing lung tumors can help people with lung cancer who are already on systemic therapy. You may qualify if you have stable disease overall but a small number of new spots that can be safely treated with radiation or other local procedures.
Sacramento, CaliforniaAges 18 years+ - NCT06605404Recruiting
Pan-tumor study of a blood test after cancer surgery
This study is testing a new blood test that looks for leftover cancer cells after surgery. It is for people with different types of solid tumors who are planning to have surgery to cure their cancer. The goal is to see if the test can help guide future treatment decisions.
San Diego, CaliforniaAges 18 years+ - NCT06616584RecruitingPhase 2/Phase 3
Cemiplimab plus standard care for advanced lung cancer after prior treatments
This trial tests whether adding the immunotherapy drug cemiplimab to standard treatment can help people with advanced lung cancer that has already progressed after both platinum chemo and a prior immunotherapy. It is designed for those who responded to their first immunotherapy for at least 12 weeks before the cancer started growing again.
Mather, CaliforniaAges 18 years+ - NCT06625775RecruitingPhase 1
Study of BBO-10203 for advanced solid tumors
This trial tests a new drug called BBO-10203, alone or combined with other cancer treatments, for people with certain advanced breast, colorectal, or lung cancers. It aims to see if the drug is safe and effective.
Los Angeles, CaliforniaAges 18 years+ - NCT06671613Recruiting
Fasting-mimicking diet with immunotherapy for advanced lung cancer
This study combines a special periodic diet that mimics fasting with the standard immunotherapy drug pembrolizumab (Keytruda) for people with advanced non-small cell lung cancer. The goal is to see if the diet can help the immunotherapy work better.
Long Beach, CaliforniaAges 18 years+ - NCT06681220RecruitingPhase 1/Phase 2
Temozolomide and stenoparib for relapsed small cell lung cancer
This trial tests two drugs—temozolomide and stenoparib—for people with small cell lung cancer that has returned after initial chemo. The goal is to see if this combination can shrink tumors or slow the cancer's growth.
Palo Alto, CaliforniaAges 18 years+ - NCT06682793RecruitingPhase 1/Phase 2
Study of A2B395 therapy for solid tumors with EGFR and HLA loss
This trial tests a new cell therapy called A2B395 for cancers that have EGFR, a protein on the cell surface, and have lost a specific marker called HLA-A*02. The therapy uses specially engineered immune cells to target and kill these cancer cells. This may help patients with colorectal, lung, head and neck, breast, kidney, or other solid tumors that are no longer responding to standard treatments.
Los Angeles, CaliforniaAges 18 years+ - NCT06667908RecruitingPhase 2
Study of a drug with chemoradiation for stage 3 lung cancer
This trial tests a new drug, JNJ-90301900, given together with standard chemotherapy and radiation, followed by maintenance immunotherapy (durvalumab) for people with stage 3 non-small cell lung cancer that cannot be surgically removed. The goal is to see if adding this drug improves outcomes.
La Jolla, CaliforniaAges 18 years+ - NCT04389632RecruitingPhase 1
Sigvotatug vedotin for advanced solid tumors that spread
This early-stage study tests a drug called sigvotatug vedotin in people with advanced solid cancers that cannot be removed or have spread. It aims to see how well the treatment works and what side effects it causes.
Los Alamitos, 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+
Small Cell Lung Cancer trials by city in California
Where these studies are running in California
Institutions with a site for the recruiting small cell lung cancer studies listed above.
- City of Hope Comprehensive Cancer Center · 5 studies
- University of California, Los Angeles (UCLA) · 5 studies
- Cedars-Sinai Medical Center · 3 studies
- City of Hope Orange County Lennar Foundation Cancer Center · 3 studies
- UC San Diego Moores Cancer Center · 3 studies
- University of California Los Angeles · 3 studies
- University of California, Irvine Medical Center / UC Irvine Health · 3 studies
- University of California, San Francisco · 3 studies
What taking part in a small cell lung 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.
Small Cell Lung Cancer trials in other states
Common questions
- Are there small cell lung cancer clinical trials in California?
- Yes. We're currently tracking 280 recruiting small cell lung 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 small cell lung 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 small cell lung 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 small cell lung 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.