California is currently home to 5602 active clinical trials, seeking participants for engagement in research studies. These trials take place at a variety of cities in the state, including Los Angeles, San Francisco, San Diego and Sacramento. Whether you're a healthy volunteer interested in paid medical research or someone seeking trials related to a specific condition, the state offers a diverse array of opportunities in your vicinity.
PRCT001 Aquablation theraPy Outcomes in pRostate Cancer patienTs
Recruiting
The goal of this clinical trial is to assess the performance and safety of the AQUABEAM Robotic System for the resection and removal of prostate tissue in patients experiencing lower urinary tract symptoms (LUTS) and are diagnosed with localized prostate cancer. Participants will go through baseline and follow up assessments up to 12 months.
Gender:
MALE
Ages:
80 years and below
Trial Updated:
08/05/2025
Locations: San Diego Clinical Trials, La Mesa, California
Conditions: Benign Prostatic Hyperplasia, Localized Prostate Cancer
A Study to Investigate the Efficacy and Safety of Tezepelumab Compared With Placebo in Children 5 to < 12 Years Old With Severe Asthma
Recruiting
To assess the efficacy and safety of tezepelumab in pediatric participants with severe uncontrolled asthma on medium to high-dose inhaled corticosteroids (ICS) and at least one additional asthma controller medication with or without oral corticosteroids.
Gender:
ALL
Ages:
Between 5 years and 11 years
Trial Updated:
08/05/2025
Locations: Research Site, La Jolla, California
Conditions: Asthma
Allogeneic CD6 Chimeric Antigen Receptor T Regulatory Cells (CD6-CAR Tregs) for the Treatment of Patients With Chronic Graft Versus Host Disease After Allogeneic Hematopoietic Cell Transplantation
Recruiting
This phase I trial tests the safety, side effects, and best dose of allogeneic CD6 chimeric antigen receptor T regulatory cells (CD6-CAR Tregs) in treating patients who have chronic graft versus host disease (cGVHD) after an allogeneic hematopoietic cell transplantation (HCT). An allogeneic HCT is an established treatment for benign or malignant blood and marrow conditions where healthy stem cells from a donor are infused into a patient to help the patient's bone marrow make more healthy cells a... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/05/2025
Locations: City of Hope Medical Center, Duarte, California
Conditions: Chronic Graft Versus Host Disease, Hematologic and Lymphocytic Disorder, Steroid Refractory Graft Versus Host Disease
A Study Investigating BGB-26808 Alone or in Combination With Tislelizumab in Participants With Advanced Solid Tumors
Recruiting
This is an open-label, multicenter, and nonrandomized dose escalation and dose expansion study to evaluate BGB-26808 as monotherapy or in combination with tislelizumab in participants with advanced solid tumors. The main purpose of this study is to explore the recommended dosing for BGB-26808.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/05/2025
Locations: City of Hope National Medical Center, Duarte, California
Conditions: Advanced Solid Tumor, Solid Tumor
Effect of Dalcetrapib on CV Risk in a Genetically Defined Population With a Recent ACS
Recruiting
This is a placebo-controlled, randomized, double-blind, parallel group, phase 3 multicenter study in subjects recently hospitalized for ACS and with the appropriate genetic profile. Subjects will provide informed consent before any study-specific procedures are performed. A separate informed consent will be allowed for an initial pre-screening genetic testing. Subjects meeting the AA genotype will then consent to the full study and confirmatory genetic testing as required. Subject enrollment may... Read More
Gender:
ALL
Ages:
45 years and above
Trial Updated:
08/05/2025
Locations: Research Site, Garden Grove, California
Conditions: Acute Coronary Syndrome
Intra-Tumoral Injections of Natural Killer Cells for Recurrent Malignant Pediatric Brain Tumors
Recruiting
This phase I trial tests the safety, side effects, and best dose of ex vivo expanded natural killer cells in treating patients with cancerous (malignant) tumors affecting the upper part of the brain (supratentorial) that have come back (recurrent) or that are growing, spreading, or getting worse (progressive). Natural killer (NK) cells are immune cells that recognize and get rid of abnormal cells in the body, including tumor cells and cells infected by viruses. NK cells have been shown to kill d... Read More
Gender:
ALL
Ages:
Between 1 year and 38 years
Trial Updated:
08/05/2025
Locations: University of California, San Francisco, San Francisco, California
Conditions: Pediatric Brain Tumor, Recurrent Pediatric Brain Tumor, Pediatric Neoplasm
A Study of the Efficacy and Safety of Belimumab in Adults With Systemic Sclerosis Associated Interstitial Lung Disease
Recruiting
This study investigates the efficacy and safety of belimumab compared to placebo, in addition to standard therapy, for the treatment of participants with systemic sclerosis associated interstitial lung disease (SSc-ILD). The study will evaluate the effect of belimumab treatment on lung function as well as on extra-pulmonary disease manifestations, including skin thickening and general symptoms, such as fatigue, that impact quality of life (QoL).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/05/2025
Locations: GSK Investigational Site, Los Angeles, California
Conditions: Systemic Sclerosis Associated Interstitial Lung Disease, Scleroderma, Systemic
A Study of GC012F (AZD0120), a CAR T Therapy Targeting CD19 and BCMA in Subjects With Relapsed/Refractory Multiple Myeloma
Recruiting
This trial is a phase 1b/2, open-label, multicenter study of GC012F (AZD0120), a CD19/BCMA dual CART-cell therapy, in adult subjects with relapsed/refractory Multiple Myeloma.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/05/2025
Locations: Research Site, La Jolla, California
Conditions: Relapsed/ Refractory Multiple Myeloma
Response Adapted Neoadjuvant Therapy in Gastroesophageal Cancers (RANT-GC Trial)
Recruiting
This is a phase 1b prospective, single arm, open-label trial determining the efficacy and feasibility of using a response-guided approach to help guide neoadjuvant chemotherapy in subjects with Stage IB, II or Stage III adenocarcinoma of the stomach or gastroesophageal junction (GEA).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/05/2025
Locations: Chao Family Comprehensive Cancer Center, University, Orange, California
Conditions: Gastroesophageal Adenocarcinoma
A Study to Examine the Efficacy and Safety of Zanubrutinib Given to Adults With Primary Membranous Nephropathy
Recruiting
The primary objectives of this study are: In Part 1 to evaluate the efficacy of zanubrutinib as measured by proteinuria reduction, and in Part 2 to evaluate the efficacy of zanubrutinib compared with tacrolimus as measured by complete remission rate, in participants with primary membranous nephropathy (PMN) who are on optimal supportive care.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
08/05/2025
Locations: Amicis Research Center, Northridge, California
Conditions: Primary Membranous Nephropathy
Galleri® in the Medicare Population.
Recruiting
This multi-center comparative prospective cohort study is designed to assess the real world clinical impact, including safety and test performance, of Galleri®, a blood-based multi-cancer early detection (MCED) test. The study will seek to enroll approximately 20% of the study participants from under-represented minority populations (e.g., racial / ethnic minority groups, socioeconomically disadvantaged populations, rural populations).
Gender:
ALL
Ages:
50 years and above
Trial Updated:
08/05/2025
Locations: Sutter Valley Hospitals Auburn, Auburn, California
Conditions: Cancer
Observational Study Evaluating the Efficacy and Safety of Zanubrutinib in Participants With Waldenström Macroglobulinemia
Recruiting
This is a hybrid (retrospective and prospective) non-interventional registry study to further describe the clinical profile of zanubrutinib in Waldenström macroglobulinemia (WM) participants with and without specific mutations and from racial and ethnic minority groups. Data collected from this registry study will be used to better understand the clinical benefit and safety of zanubrutinib for the treatment of participants in these populations.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/05/2025
Locations: City of Hope National Medical Center, Duarte, California
Conditions: Waldenstrom Macroglobulinemia