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 29, 2026.

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5,286 clinical trials

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A Case Series: TRUMATCH Graft Cage for Segmental Long Bone Defects

for Tibia Fracture

1 location in San Diego

Sponsor: University of California, San Diego

Sex: All·Age: 18+

Code: NCT05668182·Recruiting·Listed Dec 2022

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Retrograde Femoral Nail-Advanced Outcomes for Fixation of Distal Femur and Femoral Shaft Fractures

for Femoral Fracture

1 location in San Diego

Sponsor: University of California, San Diego

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

Code: NCT05680987·Recruiting·Listed Jan 2023

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YAG Laser Vitreolysis for Vitreous Floaters

for Posterior Vitreous Detachment

1 location in Huntington Beach

Sponsor: VMR Consulting, Inc.

Sex: All·Age: 18+

Code: NCT06915922·Recruiting·Listed Apr 2025

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Limited Ankle Dorsiflexion and Effect on Single Limb Squats in Individuals With Patellofemoral Pain

for Patellofemoral Pain

1 location in Loma Linda

Sponsor: Loma Linda University

Sex: Female·Age: 18 - 59·Accepts healthy volunteers

Code: NCT05285007·Recruiting·Listed Mar 2022

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Combined Dialectical Behavior Therapy and Digital Cognitive Behavioral Therapy for Insomnia for Adolescents at High Risk for Suicide

for Suicide and Self-harm

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 12 - 18·Accepts healthy volunteers

Code: NCT05842863·Recruiting·Listed May 2023

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In-Person Recruitment of Individuals to the Alzheimer's Prevention Trial (APT) Webstudy

for Memory Decline

1 location in Chula Vista

Sponsor: University of Southern California

Sex: All·Age: 50+·Accepts healthy volunteers

Code: NCT07218120·Recruiting·Listed Oct 2025

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Pilot Comparing ctDNA IDV vs. SPV Sample in Pts Undergoing Biopsies for Hepatobiliary and Pancreatic Cancers

for Hepatobiliary Cancer

1 location in Orange

Sponsor: University of California, Irvine

Sex: All·Age: 18+

Code: NCT05497531·Recruiting·Listed Aug 2022

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Senicapoc in Alzheimer's Disease

for Mild Cognitive Impairment

Sites in Sacramento & Walnut Creek

Sponsor: University of California, Davis

Sex: All·Age: 55 - 85·Accepts healthy volunteers

Code: NCT04804241·Phase 2·Recruiting·Listed Mar 2021

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Pulmonary Hypertension Association Registry

for Pulmonary Arterial Hypertension

Sites in San Francisco, Sacramento +50 more locations

Sponsor: Pulmonary Hypertension Association, Inc.

Sex: All·Age: 0+

Code: NCT04071327·Recruiting·Listed Aug 2019

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A Phase II Trial of Sacituzumab Govitecan in Patients With Advanced Thymic Epithelial Tumors

for Thymoma

Sites in Palo Alto +3 more locations

Sponsor: Georgetown University

Sex: All·Age: 18+

Code: NCT06248515·Phase 2·Recruiting·Listed Feb 2024

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Pneumatic Compression vs Blood Flow Restriction for Muscle Recovery

for Delayed Onset Muscle Soreness

1 location in Los Angeles

Sponsor: University of Southern California

Sex: All·Age: 18 - 30·Accepts healthy volunteers

Code: NCT06815367·Recruiting·Listed Feb 2025

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Comparison of Artificial Disc Implants in Cervical Disc Arthroplasty

for Cervical Spondylosis With Myelopathy

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 18 - 60

Code: NCT05701059·Recruiting·Listed Jan 2023

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Continuous Glucose Monitoring for Self-Management of Type 2 Diabetes in Young Adults

for Type 2 Diabetes Mellitus (T2DM)

1 location in San Diego

Sponsor: San Diego State University

Sex: All·Age: 18 - 45

Code: NCT07065721·Recruiting·Listed Jul 2025

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Factors Affect Outcomes in Cardiovascular Surgery

for Coronary Artery Disease

1 location in Sacramento

Sponsor: University of California, Davis

Sex: All·Age: 18+

Code: NCT01932411·Recruiting·Listed Aug 2013

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Metabolically Optimized, Non-cytotoxic Low Dose Weekly Decitabine/Venetoclax in MDS and AML

for Myelodysplastic Syndromes

Drug: Venetoclax

Sites in Sacramento +2 more locations

Sponsor: Montefiore Medical Center

Sex: All·Age: 18+

Code: NCT05184842·Phase 2·Recruiting·Listed Jan 2022

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CBT for Youth With Autism and Emotional/Behavioral Needs in Community Care Settings

for Autism

Sites in San Diego, Sacramento & Culver City

Sponsor: University of California, Los Angeles

Sex: All·Age: 6 - 14

Code: NCT05031364·Recruiting·Listed Sep 2021

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NIRS for the Diagnosis of Myofascial Pelvic Pain

for Myofascial Pelvic Pain

1 location in Los Angeles

Sponsor: University of California, Los Angeles

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

Code: NCT07181447·Recruiting·Listed Sep 2025

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TEAMS R34 #1 After-Action Reviews in Child Welfare Services

for Mental Health Issue

1 location in San Diego

Sponsor: University of California, San Diego

Sex: All·Age: 6+

Code: NCT05629013·Recruiting·Listed Nov 2022

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Machine Learning Prediction of Possible Central Line Associated Blood Stream Infections and Rate of Reduction

for Central Line Associated Blood Stream Infections (CLABSI)

Sites in Orange, Santa Rosa +17 more locations

Sponsor: Swedish Medical Center

Sex: All·Age: 18+

Code: NCT07108660·Recruiting·Listed Aug 2025

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Identifying Modifiable PAtient Centered Therapeutics (IMPACT) Frailty

for Frailty

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 18+

Code: NCT04717869·Recruiting·Listed Jan 2021

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Packing Versus no Packing for Cutaneous Abscess

for Cutaneous Abscess

1 location in Fresno

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT02822768·Recruiting·Listed Jul 2016

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Capillary Endoscopy Aspiration Catheter

for Microbiota

1 location in Los Angeles

Sponsor: Cedars-Sinai Medical Center

Sex: All·Age: 18 - 85

Code: NCT04418258·Recruiting·Listed Jun 2020

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1726-nm Laser for Acne Inversa (Hidradenitis Suppurativa)

for Hidradenitis Suppurativa (HS)

1 location in Rosemead

Sponsor: Wynn Medical Center

Sex: All·Age: 18 - 60·Accepts healthy volunteers

Code: NCT07155239·Phase 1·Recruiting·Listed Sep 2025

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Direct-to-patient Teledermatology and Computer-assisted Diagnosis

for New Patient Use of Teledermatology Mobile App

Sites in San Francisco +2 more locations

Sponsor: VA Office of Research and Development

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

Code: NCT05128006·Recruiting·Listed Nov 2021

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Smart Boot Use to Measure Offloading Adherence

for Diabetic Foot Ulcer

Sites in Los Angeles, Glendale & Downey

Sponsor: University of Southern California

Sex: All·Age: 18+

Code: NCT04460573·Phase 2·Recruiting·Listed Jul 2020

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Photobiomodulation for Lower Back Pain Post Spinal Fusion and Decompression Surgery

for Spinal Fusion

2 locations in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 18 - 75

Code: NCT06282770·Recruiting·Listed Feb 2024

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The Long-term Safety and Effectiveness Evaluation of the QDOT MICRO System Use in Conjunction With VISITAG SURPOINT Module for the Treatment of Symptomatic Drug Refractory Paroxysmal Atrial Fibrillation.

for Paroxysmal Atrial Fibrillation

Sites in Ventura +19 more locations

Sponsor: Heart Rhythm Clinical and Research Solutions, LLC

Sex: All·Age: 18+

Code: NCT06324201·Recruiting·Listed Mar 2024

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Dementia and Diabetes Prevention Program

for Diabetes

1 location in Walnut Creek

Sponsor: University of California, Davis

Sex: All·Age: 60+

Code: NCT04141878·Recruiting·Listed Oct 2019

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Effect of Anti-inflammatory Diet in Rheumatoid Arthritis

for Rheumatoid Arthritis

1 location in La Jolla

Sponsor: University of California, San Diego

Sex: All·Age: 18+

Code: NCT04748809·Recruiting·Listed Feb 2021

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StandUPTV Habits: Feasibility Trial for Maintaining Reductions in Sedentary Screen Time

for Sedentary Behaviors

Sites in San Luis Obispo +1 more location

Sponsor: Arizona State University

Sex: All·Age: 23 - 64

Code: NCT06700525·Recruiting·Listed Nov 2024

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Interstitial Brachytherapy for the Treatment of Unresectable/Unablatable Kidney Cancer

for Stage I Renal Cell Cancer

1 location in Los Angeles

Sponsor: Jonsson Comprehensive Cancer Center

Sex: All·Age: 18+

Code: NCT04473781·Phase 1·Recruiting·Listed Jul 2020

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Staged Complete Revascularization for Coronary Artery Disease vs Medical Management Alone in Patients With AS Undergoing Transcatheter Aortic Valve Replacement

for Aortic Stenosis

Sites in Palo Alto, Torrance +53 more locations

Sponsor: University of British Columbia

Sex: All·Age: All ages

Code: NCT04634240·Recruiting·Listed Nov 2020

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More Fresh Fruit and Vegetable Prescription Program for Families With Type 2 Diabetes Mellitus

for Type 2 Diabetes

1 location in San Diego

Sponsor: University of California, San Diego

Sex: All·Age: Up to 18

Code: NCT05138432·Recruiting·Listed Dec 2021

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Parkinson's Foundation PD GENEration Genetic Registry

for Parkinson's Disease

Sites in Los Angeles, San Francisco +51 more locations

Sponsor: Parkinson's Foundation

Sex: All·Age: 18+

Code: NCT04994015·Recruiting·Listed Aug 2021

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Sequencing Antibody Drug Conjugates in ER+/HER2 LOW/ULTRA LOW MBC

for Breast Cancer

Sites in Los Angeles +2 more locations

Sponsor: Reshma L. Mahtani, D.O.

Sex: All·Age: 18+

Code: NCT06263543·Phase 2·Recruiting·Listed Feb 2024

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SEACOAST 1- SEdAtion With COllAteral Support in Endovascular Therapy for Acute Ischemic Stroke

for Acute Stroke

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 18 - 110

Code: NCT03737786·Recruiting·Listed Nov 2018

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Intralesional Cyclosporine for Alopecia Areata

for Alopecia Areata

1 location in Sacramento

Sponsor: University of California, Davis

Sex: All·Age: 18 - 65

Code: NCT07029204·EARLY_Phase 1·Recruiting·Listed Jun 2025

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HOPE Intervention for Fitness

for Diabetes Mellitus Type 2

1 location in Irvine

Sponsor: University of California, Irvine

Sex: All·Age: 18+

Code: NCT07114822·Recruiting·Listed Aug 2025

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Wearable Device and Behavioral Support for Enhancing Arm Use After Stroke

for Chronic Stroke Patients

1 location in Irvine

Sponsor: University of California, Irvine

Sex: All·Age: 18 - 84

Code: NCT07042152·Recruiting·Listed Jun 2025

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Cobimetinib in Refractory Langerhans Cell Histiocytosis (LCH), and Other Histiocytic Disorders

for Langerhan's Cell Histiocytosis

Sites in San Francisco, Orange +9 more locations

Sponsor: Carl Allen

Sex: All·Age: All ages

Code: NCT04079179·Phase 2·Recruiting·Listed Sep 2019

Apply to this trial