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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Using Electrophysiology to Index Non-invasive Brain Stimulation Effects on Reward System Functioning in Depression

for Major Depressive Disorder

1 location in San Francisco

Sponsor: San Francisco Veterans Affairs Medical Center

Sex: All·Age: 18 - 65·Accepts healthy volunteers

Code: NCT05194098·Recruiting·Listed Jan 2022

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LINNOVATE: Lurbinectedin, Ipilimumab and Nivolumab for Soft Tissue Sarcoma

for Advanced Soft-tissue Sarcoma

Drug: Lurbinectedin

1 location in Santa Monica

Sponsor: ERLINDA M GORDON

Sex: All·Age: 18 - 90

Code: NCT05876715·Phase 1, Phase 2·Recruiting·Listed May 2023

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Reward Processing and Depressive Subtypes: Identifying Neural Biotypes

for Depression

1 location in San Francisco

Sponsor: San Francisco Veterans Affairs Medical Center

Sex: All·Age: 18 - 70·Accepts healthy volunteers

Code: NCT06080646·Recruiting·Listed Oct 2023

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Optimizing Treatment of Adhesive Small Bowel Obstruction

for Adhesive Small Bowel Obstruction

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 18+

Code: NCT06182319·Phase 3·Recruiting·Listed Dec 2023

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Azacitidine or Decitabine With Venetoclax for Acute Myeloid Leukemia With Prior Hypomethylating Agent Failure

for Acute Myeloid Leukemia

Drug: Venetoclax

Sites in Los Angeles, Sacramento +2 more locations

Sponsor: Brian Jonas

Sex: All·Age: 18+

Code: NCT04905810·Phase 2·Recruiting·Listed May 2021

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Effect of Anti-inflammatory (ITIS) Diet in Knee Osteoarthritis

for Osteoarthritis, Knee

1 location in La Jolla

Sponsor: University of California, San Diego

Sex: All·Age: 18+

Code: NCT05559463·Recruiting·Listed Sep 2022

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Wound Irrigation Comparative Effectiveness Study

for Cutibacterium Acnes Contamination

1 location in Orange

Sponsor: Orthopaedic Education and Research Institute (dba Hoag Orthopedics)

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

Code: NCT06379919·Recruiting·Listed Apr 2024

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MyGeneRank: A Digital Platform for Next-Generation Genetic Studies

for Heart Diseases

1 location in La Jolla

Sponsor: Scripps Translational Science Institute

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

Code: NCT03277365·Recruiting·Listed Sep 2017

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Targeting the Default Mode Network: A TMS-fMRI Study

for Post Traumatic Stress Disorder

1 location in Palo Alto

Sponsor: Allyson Rosen

Sex: All·Age: 18 - 55

Code: NCT05646732·Recruiting·Listed Dec 2022

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Use of Continuous Glucose Monitors in Children and Adolescents With Obesity

for Pediatric Obesity

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 10 - 21·Accepts healthy volunteers

Code: NCT06254768·Recruiting·Listed Feb 2024

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The Sequencing for Detection in Congenital Heart Disease (SD-CHD) Study

for Congenital Heart Disease

1 location in San Diego

Sponsor: Scripps Translational Science Institute

Sex: Female·Age: 18+

Code: NCT06244940·Recruiting·Listed Feb 2024

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Capsule Microbiota Sampling in IBS/Functional Gastrointestinal Disease

for IBS - Irritable Bowel Syndrome

1 location in Redwood City

Sponsor: Stanford University

Sex: All·Age: 18 - 70·Accepts healthy volunteers

Code: NCT06215222·Recruiting·Listed Jan 2024

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Sleepless at Scripps: An Inpatient White Noise Study

for White Noise

1 location in La Jolla

Sponsor: Scripps Health

Sex: All·Age: 18+

Code: NCT05475262·Recruiting·Listed Jul 2022

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International CDKL5 Clinical Research Network

for CDKL5

Sites in Los Angeles +7 more locations

Sponsor: University of Colorado, Denver

Sex: All·Age: 1 Month - 100

Code: NCT05558371·Recruiting·Listed Sep 2022

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Brain Health & Wellness Classes for Veterans With Traumatic Brain Injury

for Brain Injury Traumatic Mild

1 location in Martinez

Sponsor: East Bay Institute for Research and Education

Sex: All·Age: 18 - 75

Code: NCT06150196·Recruiting·Listed Nov 2023

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Biological and Behavioral Outcomes of Community Nature Walks

for Stress, Psychological

1 location in San Francisco

Sponsor: Charlotte Tate

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

Code: NCT06056375·Phase 1·Recruiting·Listed Sep 2023

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Treatment Recommendations for Gastrointestinal Cancers Via Large Language Models

for Gastrointestinal Neoplasm Malignant

1 location in Duarte

Sponsor: Chinese Academy of Sciences

Sex: All·Age: 18+

Code: NCT06002425·Recruiting·Listed Aug 2023

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DETERMINE: Detemir vs NPH

for Gestational Diabetes

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 18+

Code: NCT05124457·Phase 2·Recruiting·Listed Nov 2021

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MRI and Biomarkers for Lung Nodules Detected During Lung Cancer Screening

for Lung Cancer

1 location in Los Angeles

Sponsor: Cedars-Sinai Medical Center

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

Code: NCT05699213·Recruiting·Listed Jan 2023

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Comparing Mobile Health Strategies to Improve Pre-exposure Prophylaxis Use (PrEP) for HIV Prevention

for HIV Infections

Sites in San Francisco +2 more locations

Sponsor: Public Health Foundation Enterprises, Inc.

Sex: All·Age: 15+·Accepts healthy volunteers

Code: NCT04855773·Recruiting·Listed Apr 2021

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The PROGRAM-study: Awake Mapping Versus Asleep Mapping Versus No Mapping for Glioblastoma Resections

for Glioblastoma

Sites in San Francisco +1 more location

Sponsor: Erasmus Medical Center

Sex: All·Age: 18 - 90

Code: NCT04708171·Recruiting·Listed Jan 2021

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Bone Marrow Aspirate Concentrate (BMAC)Treatment for Knee Osteoarthritis

for Osteo Arthritis Knee

1 location in La Jolla

Sponsor: University of California, San Diego

Sex: All·Age: 45 - 75

Code: NCT04716803·Recruiting·Listed Jan 2021

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Monitoring Treatment Response With On-board DWI During Neo-adjuvant Chemo-radiation for Rectal Cancer Using Magnetic Resonance-guided-radiotherapy Systems

for Rectal Adenocarcinoma

1 location in Los Angeles

Sponsor: Institut Paoli-Calmettes

Sex: All·Age: 18+

Code: NCT03961776·Recruiting·Listed May 2019

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Gentamicin for Junctional Epidermolysis Bullosa

for Junctional Epidermolysis Bullosa

1 location in Los Angeles

Sponsor: University of Southern California

Sex: All·Age: All ages

Code: NCT03526159·Phase 1, Phase 2·Recruiting·Listed May 2018

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Laparotomy Versus Percutaneous Endoscopic Correction of Myelomeningocele

for Neural Tube Defects

Sites in Los Angeles +1 more location

Sponsor: USFetus

Sex: Female·Age: 18+

Code: NCT03856034·Recruiting·Listed Feb 2019

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REtroperitoneal SArcoma Registry: an International Prospective Initiative

for Retroperitoneal Sarcoma

Sites in Los Angeles +5 more locations

Sponsor: Fondazione IRCCS Istituto Nazionale dei Tumori, Milano

Sex: All·Age: 18+

Code: NCT03838718·Recruiting·Listed Feb 2019

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Impact of Unrestrictive Exercise Following Mid-Urethral Sling Surgery

for Stress Urinary Incontinence

1 location in Beverly Hills

Sponsor: Cedars-Sinai Medical Center

Sex: Female·Age: 18+

Code: NCT02316275·Recruiting·Listed Dec 2014

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Treating Primary Sclerosing Cholangitis and Biliary Atresia With Vancomycin

for Primary Sclerosing Cholangitis

1 location in Sacramento

Sponsor: Sacramento Pediatric Gastroenterology

Sex: All·Age: 2 Weeks - 40·Accepts healthy volunteers

Code: NCT02137668·Phase 1·Recruiting·Listed May 2014

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Metronomic Therapy for Pediatric Patients With Solid Tumors at High Risk of Recurrence

for Solid Tumor

Sites in Orange & Long Beach

Sponsor: Miller Children's & Women's Hospital Long Beach

Sex: All·Age: 12 Months - 31

Code: NCT02446431·EARLY_Phase 1·Recruiting·Listed May 2015

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Randomized Controlled Trial of the STEIN Protocol: A Neuroplastic Pain Education and Guided Breathing Intervention During Awake Cataract Surgery

for Cataract

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: All ages

Code: NCT07715591·Recruiting·Listed Jul 20, 2026

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Supporting Mental Health and Reducing Care Stress in Caregivers of Persons With Cardiovascular Disease

for Caregiver Burden

1 location in Sacramento

Sponsor: University of California, Davis

Sex: All·Age: 18+

Code: NCT07717723·Recruiting·Listed Jul 21, 2026

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A Study to Characterize the Safety and Immunogenicity of AZD6489 in Participants 60 Years of Age and Older (ARIES)

for RSV Respiratory Syncytial Virus

Sites in Long Beach, Rolling Hills Estates +4 more locations

Sponsor: AstraZeneca

Sex: All·Age: 60+·Accepts healthy volunteers

Code: NCT07717840·Phase 1, Phase 2·Recruiting·Listed Jul 21, 2026

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A Study of BL1332 on Capsaicin-Induced Ocular Pain in Healthy Trial Participants

for Healthy

1 location in Newport Beach

Sponsor: Bausch & Lomb Incorporated

Sex: All·Age: 18 - 65·Accepts healthy volunteers

Code: NCT07717918·Phase 1·Recruiting·Listed Jul 21, 2026

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Post-market Cosmetic Evaluation of Ariessence™ Pure PDGF+ Following Ablative Laser

for Immediate Post-Treatment Care

Sites in Sacramento +1 more location

Sponsor: Lynch Regenerative Medicine

Sex: All·Age: 40 - 70

Code: NCT07718347·Recruiting·Listed Jul 21, 2026

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Effectiveness of Audio Cues to Achieve Positional Therapy in Patients With Positional Obstructive Sleep Apnea

for Obstructive Sleep Apnea (OSA)

1 location in Burlingame

Sponsor: SleepDev, Inc

Sex: All·Age: 18 - 75

Code: NCT07714330·Recruiting·Listed Jul 20, 2026

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Effect of Anti-inflammatory Diet in Systemic Lupus Erythematous

for Systemic Lupus Erthematosus (SLE)

1 location in La Jolla

Sponsor: University of California, San Diego

Sex: All·Age: 18+

Code: NCT07713940·Recruiting·Listed Jul 20, 2026

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Identifying Biomarkers Related to Opioid Use and Pain Response Following Traumatic Injury and Surgery

for Opioid Use Disorder

1 location in La Jolla

Sponsor: University of California, San Diego

Sex: All·Age: 18+

Code: NCT07693270·Recruiting·Listed Jul 9, 2026

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Evaluation of YB-101 for Safety, Tolerability, Pharmacokinetics, and Efficacy in Graves' Disease

for Graves' Disease

Sites in San Francisco, Sacramento +26 more locations

Sponsor: Yarrow Bioscience, Inc.

Sex: All·Age: 18+

Code: NCT07682896·Phase 2·Recruiting·Listed Jul 6, 2026

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Study to Determine if BHV-1300 is Effective and Safe in Adults With Graves' Disease

for Graves Disease

Sites in San Diego, Walnut Creek +19 more locations

Sponsor: Biohaven Therapeutics Ltd.

Sex: All·Age: 18 - 70

Code: NCT07661056·Phase 3·Recruiting·Listed Jun 22, 2026

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A Master Protocol to Investigate Efficacy and Safety of Elecoglipron in Participants With Obesity or Overweight With or Without T2DM

for Weight Management

Sites in Sacramento, Rolling Hills Estates +53 more locations

Sponsor: AstraZeneca

Sex: All·Age: 18+

Code: NCT07667803·Phase 3·Recruiting·Listed Jun 25, 2026

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