California is currently home to 5605 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 to Investigate the Safety, Tolerability, and Processing by the Body of Intravenous and Subcutaneous RO7121932 in Participants With Multiple Sclerosis.
Recruiting
The primary purpose of the study is to evaluate the safety and tolerability of single ascending intravenous (IV) (Part 1) and subcutaneous (SC) (Part 2) doses of RO7121932 and multiple ascending SC (Part 3) doses of RO7121932 in participants with multiple sclerosis (MS).
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
04/16/2025
Locations: Stanford University Medical Center, Stanford, California
Conditions: Multiple Sclerosis
Study of Ianalumab Versus Placebo in Addition to First-line Corticosteroids in Primary Immune Thrombocytopenia (ITP)
Recruiting
The purpose of this study is to evaluate the effect of two different doses of ianalumab versus placebo in addition to first-line corticosteroids in maintaining platelet count ≥30 G/L in adult participants with primary ITP.
Gender:
ALL
Ages:
Between 18 years and 100 years
Trial Updated:
04/16/2025
Locations: Community Cancer Institute, Clovis, California
Conditions: Primary Immune Thrombocytopenia (ITP)
Adjuvant Therapy in POLE-Mutated and p53-Wildtype/NSMP Early Stage Endometrial Cancer RAINBO BLUE & TAPER
Recruiting
This protocol tests de-escalated adjuvant treatment in patients with POLE-mutated or p53wt/NSMP (p53 wildtype/no specific molecular profile) early-stage endometrial cancer (EC). Patients may be enrolled in one of two sub-studies * EN10.A/RAINBO BLUE: POLE-mutated EC * EN10.B/TAPER: p53 wildtype / NSMP EC
Gender:
FEMALE
Ages:
18 years and above
Trial Updated:
04/16/2025
Locations: Cedars-Sinai Medical Center, Los Angeles, California
Conditions: Endometrial Cancer
Rinatabart Sesutecan (Rina-S, PRO1184, GEN1184) for Advanced Solid Tumors (GCT1184-01/ PRO1184-001)
Recruiting
This study will test the safety, including side effects, and determine the characteristics of a drug called Rina-S in participants with solid tumors. Participants will have solid tumor cancer that has spread through the body (metastatic) or cannot be removed with surgery (unresectable).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
04/16/2025
Locations: University of California Los Angeles Medical Center, Los Angeles, California
Conditions: Primary Peritoneal Carcinoma, Fallopian Tube Cancer, Endometrial Cancer, Non-small Cell Lung Cancer, Mesothelioma, Triple Negative Breast Cancer, High Grade Epithelial Ovarian Cancer, Breast Adenocarcinoma, Hormone Receptor-positive/Her2 Negative Breast Cancer, Platinum Sensitive Ovarian Cancer (PSOC), High Grade Serous Ovarian Cancer, Epidermal Growth Factor Receptor (EGFR)-Mutated Non-Small Cell Lung Cancer (NSCLC), Platinum-resistant Ovarian Cancer (PROC), Primary Refractory Ovarian Cancer, Uterine Cancer
Paclitaxel Coated Balloon for the Treatment of Chronic bEnigN sTricture- Esophagus
Recruiting
To evaluate the safety and efficacy of the ProTractX3™ DCB for the treatment of benign esophageal strictures.
Gender:
ALL
Ages:
22 years and above
Trial Updated:
04/16/2025
Locations: Gastro Care Institute, Lancaster, California
Conditions: Esophageal Stricture
Paclitaxel Coated Balloon for the Treatment of Chronic bEnigN sTricture- Bowel
Recruiting
To determine the safety and efficacy of GIE Medical's ProTractX3™ TTS DCB for the treatment of recurrent benign bowel strictures.
Gender:
ALL
Ages:
22 years and above
Trial Updated:
04/16/2025
Locations: Gastro Care Institute, Lancaster, California
Conditions: Bowel; Stricture
A Study of Lebrikizumab (LY3650150) in Participants 6 Months to <18 Years of Age With Moderate-to-Severe Atopic Dermatitis
Recruiting
The main purpose of this study is to measure the effect, safety and how well the body absorbs lebrikizumab in pediatric participants 6 months to \<18 years of age with moderate-to-severe atopic dermatitis (AD).
Gender:
ALL
Ages:
Between 6 months and 17 years
Trial Updated:
04/16/2025
Locations: First OC Dermatology, Fountain Valley, California
Conditions: Atopic Dermatitis, Eczema
A Study of Tirzepatide (LY3298176) in Participants With Overweight or Obesity and Chronic Kidney Disease With or Without Type 2 Diabetes
Recruiting
We are doing this study to learn more about how tirzepatide may help fight chronic kidney disease in people with obesity with or without type 2 diabetes (T2D). The study will last about 56 weeks and include up to 12 visits.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
04/16/2025
Locations: Valley Clinical Trials, Inc., Northridge, California
Conditions: Overweight, Obesity, Chronic Kidney Disease, Type 2 Diabetes, T2D
A Phase 1 Study of AB521 Monotherapy and Combination Therapies in Renal Cell Carcinoma and Other Solid Tumors
Recruiting
The purpose of this study is to evaluate the safety and tolerability of: * casdatifan when taken alone in participants with advanced solid tumor malignancies and clear cell renal cell carcinoma (ccRCC) during the dose escalation stage; and * casdatifan monotherapy and casdatifan in combination with cabozantinib or zimberelimab in participants with ccRCC in the dose expansion stage
Gender:
ALL
Ages:
18 years and above
Trial Updated:
04/16/2025
Locations: University of California at San Diego, San Diego, California
Conditions: Clear Cell Renal Cell Carcinoma, Solid Tumors
Molecular and Clinical Risk-Directed Therapy for Infants and Young Children With Newly Diagnosed Medulloblastoma
Recruiting
This is a multi-center, multinational phase 2 trial that aims to explore the use of molecular and clinical risk-directed therapy in treatment of children 0-4.99 years of age with newly diagnosed medulloblastoma.
Gender:
ALL
Ages:
59 months and below
Trial Updated:
04/16/2025
Locations: Lucille Packard Children's Hospital at Stanford University, Palo Alto, California
Conditions: Medulloblastoma
Phase 3, Double-blind, Randomized, Placebo-controlled Trial to Evaluate the Efficacy and Safety of AR1001 in Participants With Early Alzheimer's Disease (Polaris-AD)
Recruiting
This AR1001-ADP3-US01 protocol is a double-blind, randomized, placebo-controlled, multi- center, parallel-group comparison pivotal Phase 3 study to evaluate the efficacy and safety of AR1001 for the treatment of participants with early AD.
Gender:
ALL
Ages:
Between 55 years and 90 years
Trial Updated:
04/16/2025
Locations: Sutter Health's Palo Alto Medical Foundation, Burlingame, California
Conditions: Alzheimer Disease
A Single-Ascending and Repeated Dose Study of LY3849891 in Participants With Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD)
Recruiting
The main purpose of this study is to evaluate the safety and tolerability of the study drug LY3849891 in participants with metabolic dysfunction-associated steatotic liver disease (MASLD) who have the patatin-like phospholipase domain-containing protein 3 (PNPLA3) I148M genotype. Blood tests and magnetic resonance imaging of the liver will be performed to determine the effects of LY3849891 on MASLD and assessment of resolution of liver fibroinflammation. Blood tests will also determine how long... Read More
Gender:
ALL
Ages:
Between 18 years and 70 years
Trial Updated:
04/16/2025
Locations: Orange County Research Center, Orange, California
Conditions: Metabolic Dysfunction-Associated Steatohepatitis (MASH), Metabolic Dysfunction-associated Steatotic Liver Disease (MASLD)