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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POWERMOM, A Healthy Pregnancy Research Community

for Pregnancy Related

1 location in La Jolla

Sponsor: Scripps Translational Science Institute

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

Code: NCT03085875·Recruiting·Listed Mar 2017

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Registry for Intra-Operative Radiotherapy During Breast Conserving Surgery in Patients With Early Stage Breast Cancer

for Early-stage Breast Cancer

1 location in Santa Monica

Sponsor: Saint John's Cancer Institute

Sex: All·Age: 18+

Code: NCT04603209·Recruiting·Listed Oct 2020

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Prediction of Rehospitalization Following a Sepsis Admission Using a Wearable Biopatch

for Sepsis

1 location in San Diego

Sponsor: University of California, San Diego

Sex: All·Age: 18+

Code: NCT05806762·Recruiting·Listed Apr 2023

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StrokeCog-BBB to Study Cognitive Outcomes Following Stroke

for Stroke

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 45 - 90

Code: NCT06116630·Recruiting·Listed Nov 2023

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PRT for Adolescents With High Functioning Autism

for Autism

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 11 - 14

Code: NCT05987761·Recruiting·Listed Aug 2023

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The RECSUR-study: Resection Versus Best Oncological Treatment for Recurrent Glioblastoma (ENCRAM 2302)

for Glioblastoma

Sites in San Francisco +1 more location

Sponsor: Jasper Gerritsen

Sex: All·Age: 18 - 90

Code: NCT06283927·Recruiting·Listed Feb 2024

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The RECMAP-study: Resection With or Without Intraoperative Mapping for Recurrent Glioblastoma

for Glioblastoma, IDH-wildtype

Sites in San Francisco +1 more location

Sponsor: Erasmus Medical Center

Sex: All·Age: Up to 90

Code: NCT06273176·Recruiting·Listed Feb 2024

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MS-ResearchBiomarkerS

for Multiple Sclerosis

1 location in Los Angeles

Sponsor: Cedars-Sinai Medical Center

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

Code: NCT05204459·Recruiting·Listed Jan 2022

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The SUPRAMAX Study: Supramaximal Resection Versus Maximal Resection for High-Grade Glioma Patients (ENCRAM 2201)

for Glioblastoma

Sites in San Francisco +1 more location

Sponsor: Jasper Gerritsen

Sex: All·Age: 18 - 90

Code: NCT06118723·Recruiting·Listed Nov 2023

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Evaluating the Impact of Training for IHSS Workers

for Home Care for Elderly or Disabled Individuals

1 location in San Bernardino

Sponsor: Abdul Latif Jameel Poverty Action Lab

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

Code: NCT06205433·Recruiting·Listed Jan 2024

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Effect of Fasting on Patient Outcomes After Wide-Awake, Local Anesthesia-only, No Tourniquet (WALANT) Procedures

for Surgery

1 location in Orange

Sponsor: University of California, Irvine

Sex: All·Age: 18+

Code: NCT05819801·Recruiting·Listed Apr 2023

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Customized TULSA-PRO Ablation Registry

for Prostate Cancer

Sites in West Hills +4 more locations

Sponsor: Profound Medical Inc.

Sex: Male·Age: 18+

Code: NCT05001477·Recruiting·Listed Aug 2021

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The RESBIOP-study: Resection Versus Biopsy in High-grade Glioma Patients (ENCRAM 2202)

for Glioblastoma

Sites in San Francisco +1 more location

Sponsor: Jasper Gerritsen

Sex: All·Age: 18 - 90

Code: NCT06146725·Recruiting·Listed Nov 2023

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The PALSUR-study: Palliative Care Versus Surgery in High-grade Glioma Patients (ENCRAM 2203)

for Glioblastoma

Sites in San Francisco +1 more location

Sponsor: Jasper Gerritsen

Sex: All·Age: 18 - 90

Code: NCT06146738·Recruiting·Listed Nov 2023

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Mechanism(s)of Airflow Limitation in Moderate-severe Persistent Asthma

for Asthma

1 location in Lakewood

Sponsor: Gelb, Arthur F., M.D.

Sex: All·Age: 10 - 95

Code: NCT00576069·Recruiting·Listed Dec 2007

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Mechanism(s) of Airflow Limitation During Exacerbation of Asthma

for Asthma

1 location in Lakewood

Sponsor: Gelb, Arthur F., M.D.

Sex: All·Age: 10 - 80

Code: NCT01225913·Phase 4·Recruiting·Listed Oct 2010

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Site and Mechanism(s) of Expiratory Airflow Limitation in COPD, Emphysema and Asthma-COPD Overlap

for COPD, Emphysema, Asthma COPD Overlap

2 locations in Lakewood

Sponsor: Gelb, Arthur F., M.D.

Sex: All·Age: 30+·Accepts healthy volunteers

Code: NCT03263130·Recruiting·Listed Aug 2017

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Detection of Unsuspected Small Airways Obstruction in Cystic Fibrosis

for Cystic Fibrosis in Children

Sites in Long Beach & Lakewood

Sponsor: Gelb, Arthur F., M.D.

Sex: All·Age: 5 - 40

Code: NCT03839992·Recruiting·Listed Feb 2019

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Structured Program of Exercise for Recipients of Kidney Transplantation

for Kidney Transplant

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 50+

Code: NCT04954690·Recruiting·Listed Jul 2021

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Adherence to Different Exercise Interventions

for Exercise Adherence

1 location in San Luis Obispo

Sponsor: California Polytechnic State University-San Luis Obispo

Sex: All·Age: 18 - 40·Accepts healthy volunteers

Code: NCT06024577·Recruiting·Listed Sep 2023

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Heart Disease of the Small Arteries in Women and Men

for Heart Disease

1 location in Los Angeles

Sponsor: Cedars-Sinai Medical Center

Sex: All·Age: 18+

Code: NCT00573027·Recruiting·Listed Dec 2007

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Cardiac Magnetic Resonance Imaging (MRI) Normal Reference Control Group Testing

for Healthy

1 location in Los Angeles

Sponsor: Cedars-Sinai Medical Center

Sex: Female·Age: 35 - 65·Accepts healthy volunteers

Code: NCT00573339·Recruiting·Listed Dec 2007

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Development of a Novel Stress Testing Protocol to Define the Relationship Between Coronary Microvascular Dysfunction and Diastology in Women With Angina But No Evidence of Obstructive Coronary Artery Disease

for Microvascular Coronary Dysfunction

1 location in Los Angeles

Sponsor: Cedars-Sinai Medical Center

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

Code: NCT02301663·Recruiting·Listed Nov 2014

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Effects of Emicizumab vs. Factor VIII Prophylaxis on Joint and Bone Health in Severe Hemophilia A

for Hemophilia A

Sites in Los Angeles, San Diego +2 more locations

Sponsor: Washington Institute for Coagulation

Sex: Male·Age: 16+

Code: NCT04131036·Recruiting·Listed Oct 2019

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Early Trial of Allogeneic Hematopoietic Stem Cell Transplantation for Patients Who Will Receive a Kidney Transplant From the Same Donor

for SIOD

1 location in Palo Alto

Sponsor: Alice Bertaina

Sex: All·Age: 1 - 30

Code: NCT05508009·Phase 1, Phase 2·Recruiting·Listed Aug 2022

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Closed-Loop Deep Brain Stimulation for Major Depression

for Major Depressive Disorder

1 location in San Francisco

Sponsor: Andrew Krystal

Sex: All·Age: 22 - 70

Code: NCT04004169·Recruiting·Listed Jul 2019

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Cryoablation as a Minimally Invasive Alternative to Surgery for Managing Ductal Carcinoma In Situ

for Ductal Carcinoma in Situ

1 location in Glendale

Sponsor: Glendale Adventist Medical Center d/b/a Adventist Health Glendale

Sex: Female·Age: 18+

Code: NCT05218044·Recruiting·Listed Feb 2022

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Genetic, Metabolic, and Growth Factor Repository for Cerebrovascular Disorders

for Cerebrovascular Diseases

1 location in Los Angeles

Sponsor: Cedars-Sinai Medical Center

Sex: All·Age: 18+

Code: NCT02910180·Recruiting·Listed Sep 2016

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Rady Children's Institute Genomic Biorepository

for Genetic Diseases

1 location in San Diego

Sponsor: Rady Pediatric Genomics & Systems Medicine Institute

Sex: All·Age: All ages·Accepts healthy volunteers

Code: NCT02917460·Recruiting·Listed Sep 2016

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Reducing Surgical Site Infection Rates Using an Alternative Sternal Dressing

for Wound of Skin

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 18+

Code: NCT03346694·Recruiting·Listed Nov 2017

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Congenital Muscle Disease Study of Patient and Family Reported Medical Information

for Congenital Muscular Dystrophy With ITGA7 (Integrin Alpha-7) Deficiency

1 location in Lakewood

Sponsor: Cure CMD

Sex: All·Age: All ages

Code: NCT01403402·Recruiting·Listed Jul 2011

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IRIS Registry: Intelligent Research in Sight Registry

for Eye Diseases

1 location in San Francisco

Sponsor: American Academy of Ophthalmology

Sex: All·Age: 6 Months+

Code: NCT02485847·Recruiting·Listed Jun 2015

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Bicuspid Aortic Valve Stenosis Transcatheter Aortic Valve Replacement Registry

for Bicuspid Aortic Valve

1 location in Los Angeles

Sponsor: Cedars-Sinai Medical Center

Sex: All·Age: 19 - 129

Code: NCT03836521·Recruiting·Listed Feb 2019

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Development of Liquid Biopsy Technologies for Noninvasive Cancer Diagnostics in Patients With Suspicious Thyroid Nodules or Thyroid Cancer

for Thyroid Gland Carcinoma

1 location in Los Angeles

Sponsor: Jonsson Comprehensive Cancer Center

Sex: All·Age: 18+

Code: NCT04742608·Recruiting·Listed Feb 2021

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Impact of Personality on Adherence to Tyrosine Kinase Inhibitor Therapy in Pts w/Chronic Myeloid Leukemia

for Chronic Myeloid Leukemia

1 location in Orange

Sponsor: University of California, Irvine

Sex: All·Age: 18+

Code: NCT06229860·Recruiting·Listed Jan 2024

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A Prospective Study of Video-assisted Exercise Program for the Breast Cancer Survivors

for Mastectomy

2 locations in San Diego

Sponsor: University of California, San Diego

Sex: Female·Age: 18+

Code: NCT07071896·Recruiting·Listed Jul 2025

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Evaluating AI-Generated Plain Language Summaries on Patient Comprehension of Ophthalmology Notes Among English-Speaking Patients

for Ophthalmic Disease

1 location in Los Angeles

Sponsor: University of California, Los Angeles

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

Code: NCT06859216·Recruiting·Listed Mar 2025

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Stopping TSC Onset and Progression 2B: Sirolimus TSC Epilepsy Prevention Study

for Tuberous Sclerosis Complex

Sites in Los Angeles, Palo Alto +8 more locations

Sponsor: Darcy Krueger

Sex: All·Age: 1 Day - 6 Months

Code: NCT05104983·Phase 2·Recruiting·Listed Nov 2021

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Proximal Internal Carotid Artery Acute Stroke Secondary to Tandem or Local Occlusion Thrombectomy Trial

for Acute Ischemic Stroke

Sites in San Francisco, Sacramento +49 more locations

Sponsor: Mercy Health Ohio

Sex: All·Age: 18 - 79

Code: NCT05611242·Phase 3·Recruiting·Listed Nov 2022

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The Influence of Honey-flavored Yogurt on Low-grade Inflammation and Gut Health in Middle to Older Aged Women.

for Overweight

1 location in Davis

Sponsor: University of California, Davis

Sex: Female·Age: 45 - 65·Accepts healthy volunteers

Code: NCT04248127·Recruiting·Listed Jan 2020

Apply to this trial