California is currently home to 5582 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 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:
05/20/2025
Locations: Research Site, La Jolla, California
Conditions: Relapsed/ Refractory Multiple Myeloma
An Adaptive Phase 2a/2b Study of LY3871801 in Adult Participants With Rheumatoid Arthritis
Recruiting
The main purpose of this study is to evaluate the efficacy and safety of LY3871801 in adult participants with active moderately-to-severe rheumatoid arthritis (RA).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/20/2025
Locations: Newport Huntington Medical Group, Huntington Beach, California
Conditions: Rheumatoid Arthritis
Study of LYL314 in Aggressive Large B-Cell Lymphoma
Recruiting
This is a Phase 1/2, multi-center, open-label study evaluating the safety and efficacy of LYL314, a dual-targeting chimeric antigen receptor (CAR) targeting cluster of differentiation (CD)19 and CD20 in participants with aggressive large B-cell lymphoma.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/20/2025
Locations: University of California-Irvine Medical Center, Irvine, California
Conditions: Relapsed Non-Hodgkin Lymphoma, Refractory Non-Hodgkin Lymphoma, Non-Hodgkin Lymphoma, Large B-cell Lymphoma
Open Label Optimization Study
Recruiting
The goal of this observational study is to demonstrate effectiveness in the treatment of Major Depressive Disorder The primary objective is to assess the effectiveness in the treatment of Major Depressive Disorder using the CGI-I at the end of the treatment Participants will receive 10 treatments per day for 5 days (M-F) of SAINT®
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/20/2025
Locations: BrainHealth Solutions, Costa Mesa, California
Conditions: Major Depressive Disorder
A Multicentre, Randomised, Double-blind, Parallel Group, Placebo-controlled, Time-to-first Asthma Exacerbation Phase III Efficacy and Safety Study of Benralizumab in Paediatric Patients With Severe Eosinophilic Asthma (DOMINICA)
Recruiting
A study to evaluate the efficacy and safety of benralizumab administered subcutaneously in patients ≥ 6 to \< 18 years of age with severe eosinophilic asthma, including a well-documented history of asthma exacerbations and uncontrolled asthma receiving high-dose inhaled corticosteroid (ICS) plus at least one additional controller medication.
Gender:
ALL
Ages:
Between 6 years and 18 years
Trial Updated:
05/20/2025
Locations: Research Site, Madera, California
Conditions: Asthma
First in Human Study of AZD9592 in Solid Tumors
Recruiting
This is a first-in-human (FIH) Phase I, multi-center, open-label, study of AZD9592, in patients with advanced solid tumors. The study consists of several study modules, each evaluating the safety, tolerability, preliminary efficacy, pharmacokinetics (PK), pharmacodynamics, anti-tumor activity, and immunogenicity of AZD9592, as monotherapy or in combination with anti-cancer agents.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/20/2025
Locations: Research Site, Duarte, California
Conditions: Advanced Solid Tumours, Carcinoma Non-small Cell Lung, Head and Neck Neoplasms, Colorectal Neoplasms
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:
05/20/2025
Locations: Valley Clinical Trials, Inc., Northridge, California
Conditions: Overweight, Obesity, Chronic Kidney Disease, Type 2 Diabetes, T2D
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:
05/20/2025
Locations: Orange County Research Center, Orange, California
Conditions: Metabolic Dysfunction-Associated Steatohepatitis (MASH), Metabolic Dysfunction-associated Steatotic Liver Disease (MASLD)
A Prospective and Retrospective Observational Study of Multidrug-Resistant Patient Outcomes With and Without Ibalizumab
Recruiting
The virological efficacy of ibalizumab has been clearly demonstrated in multiple clinical trials. This study will expand ibalizumab's clinical data set and allow a better understanding of the virologic response durability on ARV regimens with or without ibalizumab in a heterogeneous real-world patient population. Additional data on the efficacy and safety of ibalizumab and its impact on patient reported outcomes will be captured until study end. Primary Objective: To evaluate the long-term eff... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/20/2025
Locations: Ruane Clinical Research, Los Angeles, California
Conditions: HIV Infections, Multi-Antiviral Resistance
A Master Protocol (AMAZ): A Study of Mirikizumab (LY3074828) in Pediatric Participants With Ulcerative Colitis or Crohn's Disease (SHINE-ON)
Recruiting
The main purpose of this study is to evaluate the long-term efficacy of mirikizumab in pediatric participants with ulcerative colitis (UC) or Crohn's disease (CD). The study will last about 172 weeks and may include up to 44 visits.
Gender:
ALL
Ages:
Between 2 years and 19 years
Trial Updated:
05/20/2025
Locations: UCSF Medical Center at Mission Bay, San Francisco, California
Conditions: Ulcerative Colitis, Ulcerative Colitis Chronic, Inflammatory Bowel Diseases, Crohn's Disease
A Study of Prucalopride in Breastfeeding Women With Constipation
Recruiting
Prucalopride is a medicine used to treat constipation. The main aim of the study is to measure prucalopride concentrations in breast milk. Other aims are to check the growth and development of babies breastfed by their mothers who took prucalopride and to check if the babies had any side effects. During the study, participants will provide one set of milk samples over 24 hours using an electric breast pump. Breast milk samples will be collected at home and will be shipped to the laboratory. Al... Read More
Gender:
FEMALE
Ages:
18 years and above
Trial Updated:
05/20/2025
Locations: University of California San Diego, La Jolla, California
Conditions: Chronic Idiopathic Constipation (CIC)
A Study of Galcanezumab (LY2951742) in Participants 12 to 17 Years of Age With Chronic Migraine
Recruiting
The main purpose of this study is to evaluate the efficacy and safety of galcanezumab for the preventive treatment of chronic migraine in participants 12 to 17 years of age. The primary objective is to demonstrate the superiority of galcanezumab versus placebo in the reduction of monthly migraine headache days across the 3-month double-blind treatment period.
Gender:
ALL
Ages:
Between 12 years and 17 years
Trial Updated:
05/20/2025
Locations: Miller Children's & Women's Hospital Long Beach, Long Beach, California
Conditions: Chronic Migraine