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.
A Study of Zanubrutinib Plus Anti-CD20 Versus Lenalidomide Plus Rituximab in Participants With Relapsed/Refractory Follicular or Marginal Zone Lymphoma
Recruiting
The purpose of the study is to compare the efficacy of zanubrutinib plus obinutuzumab versus lenalidomide plus rituximab (R\^2) in participants with relapsed/refractory (R/R) follicular lymphoma (FL), as measured by progression-free survival as determined by an independent review committee in accordance with the 2014 modification of the International Working Group on non-Hodgkin lymphoma (NHL) Criteria based on n positron emission tomography and computed tomography (PET/CT), and to compare the e... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/19/2025
Locations: Ucsf Fresno University of California San Francisco Fresno, Fresno, California
Conditions: Relapsed/Refractory Follicular Lymphoma, Marginal Zone Lymphoma
A Dose-Escalation and Expansion Study of BGB-16673 in Participants With B-Cell Malignancies
Recruiting
Study consists of two main parts to explore BGB-16673 recommended dosing, a Phase 1 monotherapy dose finding comprised of monotherapy dose escalation and monotherapy safety expansion of selected doses, and a Phase 2 (expansion cohorts)
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/19/2025
Locations: University of California San Diego (Ucsd) Moores Cancer Center, La Jolla, California
Conditions: B-cell Malignancy, Marginal Zone Lymphoma, Follicular Lymphoma, Non-hodgkin Lymphoma, Waldenström Macroglobulinemia, Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma, Mantle Cell Lymphoma, Diffuse Large B Cell Lymphoma
A Phase 1b/2 Study of Sonrotoclax (BGB-11417) as Monotherapy and in Various Combinations With Dexamethasone Plus Carfilzomib, Dexamethasone Plus Daratumumab, and Dexamethasone Plus Pomalidomide in Multiple Myeloma
Recruiting
The purpose of this study is to assess the safety, tolerability, and efficacy of sonrotoclax as monotherapy and in various combinations in patients with relapsed/refractory (R/R) multiple myeloma (MM) and chromosomal translocation t(11;14). The study investigates sonrotoclax alone and in combination with dexamethasone and other agents, including carfilzomib, daratumumab, and pomalidomide.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/19/2025
Locations: City of Hope National Medical Center, Duarte, California
Conditions: Relapsed/Refractory Multiple Myeloma
A Study of a New Way to Treat Children and Young Adults With a Brain Tumor Called NGGCT
Recruiting
This phase II trial studies the best approach to combine chemotherapy and radiation therapy (RT) based on the patient's response to induction chemotherapy in patients with non-germinomatous germ cell tumors (NGGCT) that have not spread to other parts of the brain or body (localized). This study has 2 goals: 1) optimizing radiation for patients who respond well to induction chemotherapy to diminish spinal cord relapses, 2) utilizing higher dose chemotherapy followed by conventional RT in patients... Read More
Gender:
ALL
Ages:
Between 3 years and 29 years
Trial Updated:
08/19/2025
Locations: Kaiser Permanente Downey Medical Center, Downey, California
Conditions: Central Nervous System Nongerminomatous Germ Cell Tumor, Embryonal Carcinoma, Immature Teratoma, Malignant Teratoma, Mixed Germ Cell Tumor, Pineal Region Germ Cell Tumor, Pineal Region Immature Teratoma, Pineal Region Yolk Sac Tumor, Choriocarcinoma, Suprasellar Germ Cell Tumor
A Study to Evaluate Efficacy and Safety of an Investigational Drug Named Volixibat in Patients With Itching Caused by Primary Sclerosing Cholangitis (PSC)
Recruiting
The purpose of this clinical research study is to learn more about the use of the study medicine, volixibat, for the treatment of pruritus (itching) associated with Primary Sclerosing Cholangitis (PSC), and to assess the possible impact on the disease progression of PSC.
Gender:
ALL
Ages:
12 years and above
Trial Updated:
08/19/2025
Locations: Southern California Research Center, Coronado, California
Conditions: Primary Sclerosing Cholangitis
A Study to Evaluate the Efficacy and Safety of JCAR017 in Adult Subjects With Relapsed or Refractory Indolent B-cell Non-Hodgkin Lymphoma (NHL)
Recruiting
This is a global Phase 2, open-label, single-arm, multicohort, multicenter study to evaluate efficacy and safety of JCAR017 in adult subjects with r/r FL or MZL. The study will be conducted in compliance with the International Council on Harmonisation (ICH) of Technical Requirements for Registration of Pharmaceuticals for Human Use/Good Clinical Practice (GCP) and applicable regulatory requirements. This study is divided into three periods: * Pretreatment, which consists of screening assessme... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/19/2025
Locations: UCLA Medical Centre-Santa Monica, Santa Monica, California
Conditions: Lymphoma, Non-Hodgkin
Testing the Combination of New Anti-cancer Drug Peposertib With Avelumab and Radiation Therapy for Advanced/Metastatic Solid Tumors and Hepatobiliary Malignancies
Recruiting
This phase I/II trial studies the best dose and side effects of peposertib and to see how well it works with avelumab and hypofractionated radiation therapy in treating patients with solid tumors and hepatobiliary malignancies that have spread to other places in the body (advanced/metastatic). Peposertib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Immunotherapy with monoclonal antibodies, such as avelumab, may help the body's immune system attack th... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/19/2025
Locations: UCI Health - Chao Family Comprehensive Cancer Center and Ambulatory Care, Irvine, California
Conditions: Stage III Gallbladder Cancer AJCC v8, Stage IV Gallbladder Cancer AJCC v8, Locally Advanced Malignant Solid Neoplasm, Locally Advanced Unresectable Cholangiocarcinoma, Locally Advanced Unresectable Gallbladder Carcinoma, Locally Advanced Unresectable Malignant Solid Neoplasm, Metastatic Cholangiocarcinoma, Metastatic Gallbladder Carcinoma, Metastatic Malignant Solid Neoplasm, Unresectable Malignant Solid Neoplasm
Long-term Safety and Efficacy Extension Study for Participants With Advanced Tumors Who Are Currently on Treatment or in Follow-up in a Pembrolizumab (MK-3475) Study (MK-3475-587/KEYNOTE-587)
Recruiting
The purpose of this study is to evaluate the long-term safety and efficacy of pembrolizumab (MK-3475) in participants from previous Merck pembrolizumab-based parent studies who transition into this extension study. This study will consist of three phases: 1) First Course Phase, 2) Survival Follow-up Phase or 3) Second Course Phase. Each participant will transition to this extension study in one of the following three phases, depending on the study phase they were in at the completion of the par... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/19/2025
Locations: Comprehensive Blood & Cancer Center [Bakersfield, CA] ( Site 0054), Bakersfield, California
Conditions: Solid Tumors, Hematologic Malignancies
Phase 2b Controlled Study of Dosing Techniques
Recruiting
Double-masked two period controlled trial of three eyelid wipe dosing techniques
Gender:
ALL
Ages:
Between 18 years and 99 years
Trial Updated:
08/18/2025
Locations: Eye Research Foundation, Newport Beach, California
Conditions: Dry Eye Disease
OCEAN(a)-PreEvent - Olpasiran Trials of Cardiovascular Events And LipoproteiN(a) Reduction to Prevent First Major Cardiovascular Events
Recruiting
The primary objective is to evaluate the effect of olpasiran, compared to placebo, on the risk for coronary heart disease death (CHD death), myocardial infarction, or urgent coronary revascularization in participants at risk for a first major cardiovascular event with elevated lipoprotein(a) (Lp\[a\]).
Gender:
ALL
Ages:
Between 50 years and 105 years
Trial Updated:
08/18/2025
Locations: 310 Clinical Research, Inglewood, California
Conditions: Cardiovascular Disease
ORKA-001 Versus Placebo in Patients With Moderate-to-Severe Plaque Psoriasis
Recruiting
This is a multicenter, randomized, double-blinded, placebo-controlled, proof-of-concept study to evaluate the efficacy, safety, tolerability, and pharmacokinetics of ORKA-001 in adult participants with moderate-to-severe plaque psoriasis.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/18/2025
Locations: Oruka Therapeutics Investigative Site, Fountain Valley, California
Conditions: Plaque Psoriasis
A Study Evaluating the Effect of Daily Oral RO7795081 in Participants With Obesity or Overweight With at Least One Weight-Related Comorbidity
Recruiting
This multicenter, randomized, double-blind, placebo-controlled, parallel-group, dose-range-finding, Phase II study aims to evaluate the efficacy, tolerability, and safety of RO7795081 for chronic weight management in adult participants with obesity or overweight with at least one weight-related comorbidity, but without diabetes mellitus.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/18/2025
Locations: Prospective Research Innovations Inc., Rancho Cucamonga, California
Conditions: Obesity or Overweight