Paid Clinical Trials in California

California has 6,384 paid clinical trials enrolling now across cities including Los Angeles, San Francisco and San Diego. Search by condition, age, or phase to find compensated research studies accepting participants near you.

Research sites in California include Stanford Medicine, UCLA Health and UCSF, running studies across oncology, cardiology, neurology, and more. Both patients and healthy volunteers may qualify. Most studies offer compensation for time and travel.

Recruiting trial data synced daily from ClinicalTrials.gov. Last sync: July 25, 2026.

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5,286 clinical trials

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MAGIC Ruxolitinib for aGVHD

for Acute Graft-versus-host Disease

Drug: Ruxolitinib

Sites in Duarte +13 more locations

Sponsor: John Levine

Sex: All·Age: 18+

Code: NCT06936566·Phase 2·Recruiting·Listed Apr 2025

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Long Term Impact of Time-Restricted Eating on Parameters of Cardiometabolic Health

for Metabolic Syndrome

1 location in La Jolla

Sponsor: University of California, San Diego

Sex: All·Age: 18 - 75

Code: NCT07189234·Phase 2·Recruiting·Listed Sep 2025

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Prebiotic Effects of California Grapes on Gut Health and Cardiometabolic Health in Overweight Men and Women

for Arterial Stiffness

1 location in Davis

Sponsor: University of California, Davis

Sex: All·Age: 45 - 70·Accepts healthy volunteers

Code: NCT06544954·Recruiting·Listed Aug 2024

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Gemcitabine and Leflunomide in Patients With Advanced Unresectable Pancreatic Cancer

for Advanced Pancreatic Adenocarcinoma

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT06454383·Phase 1·Recruiting·Listed Jun 2024

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Randomized Directly Observed Therapy Study to Interpret Clinical Trials of Doxy-PEP

for Sexually Transmitted Diseases, Bacterial

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18+·Accepts healthy volunteers

Code: NCT06414408·EARLY_Phase 1·Recruiting·Listed May 2024

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Cannabidiol for Reducing Cigarette Use

for Tobacco Use Disorder

1 location in North Hollywood

Sponsor: University of California, Los Angeles

Sex: All·Age: 18 - 65

Code: NCT06218056·Phase 2·Recruiting·Listed Jan 2024

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Ketamine for Veterans With Parkinson's Disease

for Parkinson's Disease

1 location in San Francisco

Sponsor: VA Office of Research and Development

Sex: All·Age: 40 - 80

Code: NCT06231563·Phase 2·Recruiting·Listed Jan 2024

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Role of Angiogenesis in Dermatologic Diseases: A Potential Therapeutic Target

for Dermatologic Diseases

2 locations in Irvine

Sponsor: University of California, Irvine

Sex: All·Age: 16+·Accepts healthy volunteers

Code: NCT00842283·Recruiting·Listed Feb 2009

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Collection of Blood for Multiple Collaborative Studies

for HIV

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18+·Accepts healthy volunteers

Code: NCT01336855·Recruiting·Listed Apr 2011

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A Feasibility Study Using CLINIMACS® for Alpha/Beta T-Cell Depletion in Stem Cell Transplant

for Graft Vs Host Disease

1 location in San Francisco

Sponsor: Christopher Dvorak

Sex: All·Age: Up to 30

Code: NCT04337515·Recruiting·Listed Apr 2020

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Understanding How Opioids Affect the Experiential and Neural Signatures of Social Experiences

for Naltrexone

1 location in San Diego

Sponsor: San Diego State University

Sex: All·Age: 18 - 25·Accepts healthy volunteers

Code: NCT05007561·EARLY_Phase 1·Recruiting·Listed Aug 2021

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Transvaginal Electrical Stimulation for Myofascial Pelvic Pain

for Myofascial Pelvic Pain

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: Female·Age: 18 - 65

Code: NCT05354869·Recruiting·Listed May 2022

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Assessment of the Interi Manifold in Implant-Based Breast Reconstruction

for Mastectomy

1 location in Palo Alto

Sponsor: Stanford University

Sex: Female·Age: 18 - 65

Code: NCT05975359·Recruiting·Listed Aug 2023

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MAGESTIC Trial: MiRNA in Detecting Active Germ Cell Tumors in Early Suspected and MetastaTIC Disease Trial

for Malignant Testicular Germ Cell Tumor

Sites in Los Angeles, Loma Linda +3 more locations

Sponsor: University of Southern California

Sex: Male·Age: 18+

Code: NCT06060873·Recruiting·Listed Sep 2023

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Nisin in Oral Cavity Squamous Cell Carcinoma (OCSCC)

for Oral Cavity Squamous Cell Carcinoma

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT06097468·Phase 1, Phase 2·Recruiting·Listed Oct 2023

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Androgens and NAFLD Longitudinal Cohort Study

for PCOS

Sites in San Francisco +1 more location

Sponsor: University of California, San Francisco

Sex: Female·Age: 18 - 42

Code: NCT06124261·Recruiting·Listed Nov 2023

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Integrating Nonpharmacologic Strategies for Pain With Inclusion, Respect, and Equity

for Chronic Pain

2 locations in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT06183281·Recruiting·Listed Dec 2023

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Trial of Diphenhydramine for Sleep in Children With Autism

for Autism

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 8 - 17

Code: NCT05501678·Phase 2·Recruiting·Listed Aug 2022

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Trial of Zolpidem for Sleep in Children With Autism

for Autism

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 8 - 17

Code: NCT05540574·Phase 2·Recruiting·Listed Sep 2022

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Trial of Suvorexant for Sleep in Children With Autism

for Autism

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 13 - 17·Accepts healthy volunteers

Code: NCT05546554·Phase 2·Recruiting·Listed Sep 2022

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A Single-Arm Phase II Study of Neoadjuvant Intensified Androgen Deprivation (Leuprolide and Abiraterone Acetate) in Combination With AKT Inhibition (Capivasertib) for High-Risk Localized Prostate Cancer With PTEN Loss

for High-Risk Prostate Cancer

Sites in West Los Angeles +4 more locations

Sponsor: VA Office of Research and Development

Sex: Male·Age: 18+

Code: NCT05593497·Phase 2·Recruiting·Listed Oct 2022

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Probiotic Intervention Study

for Obesity

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 18 - 50·Accepts healthy volunteers

Code: NCT06030362·Recruiting·Listed Sep 2023

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Testing Whether the Addition of Carboplatin Chemotherapy to Cabazitaxel Chemotherapy Will Improve Outcomes Compared to Cabazitaxel Alone in People With Castrate-Resistant Prostate Cancer That Has Spread Beyond the Prostate to Other Parts of the Body

for Castration-Resistant Prostate Carcinoma

Sites in Long Beach +173 more locations

Sponsor: SWOG Cancer Research Network

Sex: Male·Age: 18+

Code: NCT06470243·Phase 3·Recruiting·Listed Jun 2024

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Dance Mental Health App

for Ankle Injury

1 location in San Diego

Sponsor: University of California, San Diego

Sex: All·Age: 13 - 18

Code: NCT07219095·Recruiting·Listed Oct 2025

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Clinical Trial of Omalizumab for Allergen Sensitized and Exposed Individuals With COPD

for Chronic Obstructive Pulmonary Disease (COPD)

Drug: Omalizumab

Sites in San Francisco +22 more locations

Sponsor: Johns Hopkins University

Sex: All·Age: 40+

Code: NCT07059091·Phase 2·Recruiting·Listed Jul 2025

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ATrial Tachycardia PAcing Therapy in Congenital Heart

for Atrial Arrhythmia

Sites in Los Angeles, Orange +12 more locations

Sponsor: Ian Law

Sex: All·Age: All ages

Code: NCT03209583·Recruiting·Listed Jul 2017

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Administration of Allogeneic-MSC in Patients With Non-Ischemic Dilated Cardiomyopathy

for Non-ischemic Dilated Cardiomyopathy

Sites in Stanford +3 more locations

Sponsor: Joshua M Hare

Sex: All·Age: 18 - 80

Code: NCT04476901·Phase 2·Recruiting·Listed Jul 2020

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Valve Hemodynamic Optimization Based on Doppler-Echocardiography vs Catheterization Measurements Following ViV TAVR

for Aortic Valve Stenosis

Sites in San Francisco +5 more locations

Sponsor: Institut universitaire de cardiologie et de pneumologie de Québec, University Laval

Sex: All·Age: 18+

Code: NCT05459233·Recruiting·Listed Jul 2022

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Evaluating Novel Healthcare Approaches to Nurturing and Caring for Hospitalized Elders

for Delirium

Sites in Orange +6 more locations

Sponsor: University of Michigan

Sex: All·Age: 70+

Code: NCT05929703·Recruiting·Listed Jul 2023

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Digital Health Intervention for Self-Management and Telemonitoring in Chimeric Antigen Receptor (CAR-T) Therapy

for Hematologic Malignancies

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+·Accepts healthy volunteers

Code: NCT07186192·Phase 3·Recruiting·Listed Sep 2025

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Diagnostic Refinement and Educational Approaches in Managing Bone Marrow Transplantation

for GVHD

1 location in San Diego

Sponsor: Scripps Health

Sex: All·Age: 18+

Code: NCT06590285·Recruiting·Listed Sep 2024

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Prospective Multicenter Research on Donor and Recipient Management Strategies to Improve Lung Transplant Outcomes

for Lung Transplant

Sites in Los Angeles, San Francisco +16 more locations

Sponsor: Duke University

Sex: All·Age: 18+

Code: NCT06399302·Recruiting·Listed May 2024

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CAR-T Cells for HIV Infection

for HIV Infections

Sites in San Francisco & Sacramento

Sponsor: Steven Deeks

Sex: All·Age: 18 - 65

Code: NCT04648046·Phase 1, Phase 2·Recruiting·Listed Dec 2020

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Enteral Vancomycin as Primary Prophylaxis Against Clostridioides Difficile Infection in Critically Ill Patients

for Clostridium Difficile Infection

1 location in Moreno Valley

Sponsor: Riverside University Health System Medical Center

Sex: All·Age: 18+

Code: NCT07221370·Phase 2, Phase 3·Recruiting·Listed Oct 2025

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Nerve Transfer to Improve Function in High Level Tetraplegia

for Cervical Spinal Cord Injury

Sites in Stanford +8 more locations

Sponsor: Washington University School of Medicine

Sex: All·Age: 18 - 80

Code: NCT06288763·Recruiting·Listed Mar 2024

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Research on Equity in Abortion Care by TeleHealth

for Abortion in First Trimester

1 location in Oakland

Sponsor: University of California, San Francisco

Sex: All·Age: 14 - 64·Accepts healthy volunteers

Code: NCT06787274·Recruiting·Listed Jan 2025

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Neuroblastoma Biology Study

for Neuroblastoma

Sites in Los Angeles, San Francisco +12 more locations

Sponsor: New Approaches to Neuroblastoma Therapy Consortium

Sex: All·Age: 31 Days - 99

Code: NCT01587300·Recruiting·Listed Apr 2012

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Nicotinamide Mononucleotide Supplementation for Exercise Tolerance Improvement in Healthy Older Adults

for Aging

1 location in Beverly Hills

Sponsor: Scott Silveira

Sex: All·Age: 60 - 80·Accepts healthy volunteers

Code: NCT07144527·Recruiting·Listed Aug 2025

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Dabrafenib, Trametinib, and IMRT in Treating Patients With BRAF Mutated Anaplastic Thyroid Cancer

for BRAF NP_004324.2:p.V600E

Drug: Dabrafenib

Sites in Duarte +2 more locations

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT03975231·Phase 1·Recruiting·Listed Jun 2019

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Vyxeos for Re-induction Treatment of Acute Myeloid Leukemia Patients With Persistent Disease After Induction

for Blasts More Than 5 Percent of Bone Marrow Nucleated Cells

Sites in Sacramento +1 more location

Sponsor: Ohio State University Comprehensive Cancer Center

Sex: All·Age: 18 - 75

Code: NCT04049539·Phase 1, Phase 2·Recruiting·Listed Aug 2019

Apply to this trial