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.
Safety and Efficacy Study of Epcoritamab in Subjects With Relapsed/Refractory Chronic Lymphocytic Leukemia and Richter's Syndrome
NCT04623541
Recruiting
The study is a global, multi-center safety and efficacy trial of epcoritamab, an antibody also known as EPKINLY™ and GEN3013 (DuoBody®-CD3xCD20). Epcoritamab will be tested either in Relapsed/refractory (R/R) chronic lymphocytic leukemia (CLL) as: * Monotherapy, or * Combination therapy: * epcoritamab + venetoclax * epcoritamab + pirtobrutinib In Non-United States (US) Participants Only: Treatment-naïve (TN) high risk (HR) (CLL): • epcoritamab + pirtobrutinib Combination therapy for Ri... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/30/2025
Locations: University of California Davis Medical Center Sacramento, California, California
Conditions: Relapsed/Refractory Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma, Treatment-naïve High Risk Chronic Lymphocytic Leukemia, Richter's Syndrome
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A Phase 1B/2 Study of RP1 in Solid Organ Transplant Patients With Advanced Cutaneous Malignancies
NCT04349436
Recruiting
This Phase 1B/2 study is a multicenter, open-label, study of RP1 to investigate the (a) objective response rate, in addition to (b) safety and tolerability of RP1 for the treatment of advanced cutaneous malignancies in up to 65 evaluable organ transplant recipients. This will include patients with either previous renal, hepatic, heart, lung, or other solid organ transplantation or hematopoietic cell transplant and experiencing subsequent documented locally advanced or metastatic cutaneous malign... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/30/2025
Locations: University of California, San Diego, La Jolla, California
Conditions: Cutaneous Squamous Cell Carcinoma, Merkel Cell Carcinoma, Basal Cell Carcinoma, Melanoma
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BGB-290 and Temozolomide in Treating Isocitrate Dehydrogenase (IDH)1/2-Mutant Grade I-IV Gliomas
NCT03749187
Recruiting
This phase I trial studies the side effects and best dose of BGB-290 and temozolomide in treating adolescents and young adults with IDH1/2-mutant grade I-IV glioma that is newly diagnosed or has come back. BGB-290 may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Drugs used in chemotherapy, such as temozolomide, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from s... Read More
Gender:
ALL
Ages:
Between 13 years and 39 years
Trial Updated:
07/30/2025
Locations: Children's Hospital Los Angeles, Los Angeles, California
Conditions: Glioblastoma, IDH1 Gene Mutation, IDH2 Gene Mutation, Low Grade Glioma, Malignant Glioma, Recurrent Glioblastoma, Recurrent WHO Grade II Glioma, Recurrent WHO Grade III Glioma, WHO Grade II Glioma, WHO Grade III Glioma
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Confirmatory Clinical Evaluation of Novilase® Laser Therapy for Focal Destruction of Malignant Breast Tumors
NCT03463954
Recruiting
Prior to this confirmatory pivotal study, the multicenter Br-002 feasibility study was completed. 98% of tumors less than or equal to 15mm were completely ablated in one procedure.This study will evaluate Novilase for the focal destruction of malignant tumors of the breast that are less than or equal to 15 mm against a performance goal for the standard of care, lumpectomy. The ASBrS' goal of less than 20% retreatment by 2020 was selected as a representative performance goal, i.e., 80.0%, and is... Read More
Gender:
FEMALE
Ages:
18 years and above
Trial Updated:
07/30/2025
Locations: City of Hope, Duarte, California
Conditions: Malignant Neoplasm of Breast
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QUILT-3.055: A Study of Combination Immunotherapies in Patients Who Have Previously Received Treatment With Immune Checkpoint Inhibitors
NCT03228667
Recruiting
This Phase 2b, multicohort, open-label clinical trial (QUILT-3.055) evaluates combination immunotherapies in patients with various advanced solid tumors who have progressed following prior PD-1/PD-L1 checkpoint inhibitor therapy. The trial includes six cohorts: Cohorts 1-4: Patients who progressed after an initial response (PR or CR) to prior PD-1/PD-L1 therapy, receiving combination therapy with N-803 and a PD-1/PD-L1 checkpoint inhibitor. (Closed to enrollment) Cohort 5: Patients who progres... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/30/2025
Locations: Chan Soon-Shiong Institute for Medicine, El Segundo, California
Conditions: Non-Small Cell Lung Cancer, Small Cell Lung Cancer, Urothelial Carcinoma, Head and Neck Squamous Cell Carcinoma, Merkel Cell Carcinoma, Melanoma, Renal Cell Carcinoma, Gastric Cancer, Cervical Cancer, Hepatocellular Carcinoma, Microsatellite Instability, Mismatch Repair Deficiency, Colorectal Cancer
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A Study of Intravesical BCG in Combination With ALT-803 in Patients With Non-Muscle Invasive Bladder Cancer
NCT02138734
Recruiting
This is a Phase Ib/IIb, randomized, two-cohort, open-label, multicenter study of intravesical N-803 plus BCG versus BCG alone, in BCG naïve patients with high-grade NMIBC.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/30/2025
Locations: Hoag Cancer Center, Irvine, California
Conditions: Non-muscle Invasive Bladder Cancer
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Dominantly Inherited Alzheimer Network Trial: An Opportunity to Prevent Dementia. A Study of Potential Disease Modifying Treatments in Individuals at Risk for or With a Type of Early Onset Alzheimer's Disease Caused by a Genetic Mutation. Master Protocol DIAN-TU-001
NCT01760005
Recruiting
The purpose of this study is to assess the safety, tolerability, biomarker, cognitive and clinical efficacy of investigational products in participants with an Alzheimer's disease-causing mutation by determining if treatment with the study drug slows the rate of progression of cognitive/clinical impairment or improves disease-related biomarkers.
Gender:
ALL
Ages:
Between 18 years and 80 years
Trial Updated:
07/30/2025
Locations: University of California San Diego Medical Center, La Jolla, California
Conditions: Alzheimers Disease, Dementia, Alzheimers Disease, Familial
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A Study Evaluating BFB759 in Moderate to Severe Atopic Dermatitis
NCT07105488
Recruiting
This is a double-blind, placebo-controlled study where subjects are participating for approximately 36 to 40 weeks. The study compares how well BFB759 works and how safe it is compared with a placebo.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
07/29/2025
Locations: Antelope Valley Clinical Trials, Lancaster, California
Conditions: Atopic Dermatitis (AD)
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ERAS-801 for the Treatment of Resectable and Progressive or Recurrent IDH Wildtype Grade IV Glioblastoma or Astrocytoma With an EGFR Amplification or Mutation, ERAS801-SARG Trial
NCT07089641
Recruiting
This phase Ib trial tests the safety and side effects of ERAS-801 in treating patients with isocitrate dehydrogenase (IDH) wildtype, epidermal growth factor receptor (EGFR) amplified or mutated grade IV glioblastoma or astrocytoma that can be removed by surgery (resectable) and that is growing, spreading, or getting worse (progressive) or that has come back after a period of improvement (recurrent). Glioblastoma is the most common brain cancer in adults and survival rates remain poor despite tre... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/29/2025
Locations: UCLA / Jonsson Comprehensive Cancer Center, Los Angeles, California
Conditions: Recurrent Astrocytoma, Resectable Astrocytoma, Resectable Glioblastoma, IDH Wildtype Glioblastoma, IDH Wildtype Recurrent Glioblastoma
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Feasibility of HPV Testing With Mail-delivered Sample Collection Kits
NCT07087145
Recruiting
People living with human immunodeficiency virus (PLWH) have an estimated 1.6-6.0 times increased risk of developing oropharyngeal cancer (OPC) compared with individuals in the general population. 70% of OPCs are caused by human papillomavirus (HPV), and PLWH also have an increased prevalence of oral HPV infection. Disparities by race/ethnicity also include a later stage of diagnosis and less frequent cancer-directed treatment for members of ethnic minority groups. There is little known regarding... Read More
Gender:
ALL
Ages:
35 years and above
Trial Updated:
07/29/2025
Locations: University of California, San Francisco, San Francisco, California
Conditions: HPV Infection, HIV Infections, HPV-Related Malignancy
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The Mechanism Versus PPI Trial
NCT06999577
Recruiting
The goal of this clinical trial is to learn if a mechanism guided strategy that utilizes a multidisciplinary approach to treat adults patients (age 18-89) with chronic throat symptoms who are undergoing clinical evaluation for laryngopharyngeal reflux (LPR) is more effective than the usual care strategy with proton pump inhibitor (PPI) therapy used in gastroenterology for these patients. The main question it aims to answer is: Will a greater proportion of the mechanism guided strategy participa... Read More
Gender:
ALL
Ages:
Between 18 years and 89 years
Trial Updated:
07/29/2025
Locations: University of California San Diego, San Deigo, California
Conditions: Laryngopharyngeal Reflux, Cough, Throat Clearing, Dysphonia, Reflux
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A Clinical Trial Evaluating the Efficacy and Safety of Leflutrozole on Testicular Function in Men With Hypogonadotropic Hypogonadism
NCT06993155
Recruiting
The goal of this clinical trial is to evaluate three doses of the drug leflutrozole on improvement of semen quality in men with hypogonadotropic hypogonadism, a condition that affects hormone levels and fertility. It will also study the safety of leflutrozole. The main questions it aims to answer are: * Does leflutrozole improve semen quality? * What medical problems do participants experience when taking leflutrozole? Researchers will compare leflutrozole to a placebo (a look-alike substance... Read More
Gender:
MALE
Ages:
Between 18 years and 49 years
Trial Updated:
07/29/2025
Locations: ReproNovo Investigational Site, North Hollywood, California
Conditions: Hypogonadotropic Hypogonadism
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