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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Immunotherapy in Combination With Prednisone and Sirolimus for Kidney Transplant Recipients With Unresectable or Metastatic Skin Cancer

for Clinical Stage III Cutaneous Melanoma AJCC v8

Sites in Los Angeles, La Jolla +23 more locations

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT05896839·Phase 1, Phase 2·Recruiting·Listed Jun 2023

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Treatment of Antibody-Mediated Rejection (ABMR) With CarBel

for Kidney Transplant Rejection

Sites in Los Angeles +9 more locations

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Sex: All·Age: 18 - 75

Code: NCT06918990·Phase 1·Recruiting·Listed Apr 2025

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Use of Artificial Intelligence to Assess Trainee Communication Compared to Human Assessment

for Communication Skills

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 18 - 99·Accepts healthy volunteers

Code: NCT07107880·Recruiting·Listed Aug 2025

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Local Bisphosphonate Effect on Recurrence Rate in Extremity Giant Cell Tumor of Bone

for Giant Cell Tumor of Bone

Sites in Los Angeles +10 more locations

Sponsor: St. Louis University

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

Code: NCT03295981·Phase 3·Recruiting·Listed Sep 2017

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Study of Talazoparib in Combination With Chemotherapy in Relapsed Pediatric AML to Determine Safety and Efficacy

for Acute Myeloid Leukemia

Sites in Duarte, Stanford +7 more locations

Sponsor: Norman J. Lacayo

Sex: All·Age: Up to 21

Code: NCT05101551·Phase 1·Recruiting·Listed Nov 2021

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Fructose Intestinal Gluconeogenesis

for Healthy Participants

1 location in Vallejo

Sponsor: Touro University, California

Sex: All·Age: 20 - 55·Accepts healthy volunteers

Code: NCT07209202·Recruiting·Listed Oct 2025

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Psilocybin-Assisted Therapy for Physician Well-Being and Burnout

for Burnout

1 location in San Diego

Sponsor: University of California, San Diego

Sex: All·Age: 21 - 70

Code: NCT06814522·Phase 1, Phase 2·Recruiting·Listed Feb 2025

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Descemet Endothelial Thickness Comparison Trial II

for Fuchs

Sites in Palo Alto, Sacramento +6 more locations

Sponsor: Stanford University

Sex: All·Age: 18+

Code: NCT05275972·Phase 3·Recruiting·Listed Mar 2022

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Towards Restoring Complex Movement After Paralysis: Algorithm Development With Healthy Participants

for Movement Disorders

1 location in Los Angeles

Sponsor: University of California, Los Angeles

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

Code: NCT07236892·Recruiting·Listed Nov 2025

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Vertical Sleeve Gastrectomy and Lifestyle Modification for the Treatment of Non-Alcoholic Steatohepatitis

for NASH - Nonalcoholic Steatohepatitis

Sites in San Francisco +3 more locations

Sponsor: University of Minnesota

Sex: All·Age: 30 - 70

Code: NCT03587831·Recruiting·Listed Jul 2018

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Leflunomide, Pomalidomide, and Dexamethasone for the Treatment of Relapsed or Refractory Multiple Myeloma

for Recurrent Plasma Cell Myeloma

Sites in Duarte, Long Beach +6 more locations

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT04508790·Phase 2·Recruiting·Listed Aug 2020

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ACT1VATE: Addressing Emotional Distress to Improve Outcomes Among Diverse Adults With Type 1 Diabetes

for Type 1 Diabetes

1 location in San Diego

Sponsor: Scripps Whittier Diabetes Institute

Sex: All·Age: 18+

Code: NCT04933851·Phase 2·Recruiting·Listed Jun 2021

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Evaluation of SINGLE PORT (SP) Robotic Technology in Colorectal Surgery

for Colo-rectal Cancer

1 location in Sacramento

Sponsor: University of California, Davis

Sex: All·Age: 18+

Code: NCT05321134·Recruiting·Listed Apr 2022

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Inflammatory and Glutamatergic Mechanisms of Sustained Threat in Adolescents With Depression

for Depression in Adolescence

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 14 - 21

Code: NCT05329441·Recruiting·Listed Apr 2022

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Bicalutamide Therapy in Young Women With NAFLD and PCOS

for NAFLD

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: Female·Age: 18 - 42

Code: NCT05979389·Phase 1·Recruiting·Listed Aug 2023

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Auricular Acupuncture on Emotional Distress in Service Members and Veterans With PTSD

for PTSD and Substance Use Disorder

Sites in San Diego & Fairfield

Sponsor: United States Naval Medical Center, San Diego

Sex: All·Age: 18 - 65

Code: NCT07021352·Recruiting·Listed Jun 2025

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Ultrasound Stimulation for Patients in a Disorder of Consciousness

for Consciousness Disorders

Sites in Los Angeles, Pomona +2 more locations

Sponsor: University of California, Los Angeles

Sex: All·Age: 18 - 79

Code: NCT06939348·Recruiting·Listed Apr 2025

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Trial of Sequential Medications AfteR TNFi Failure in Juvenile Idiopathic Arthritis

for Polyarticular Course Juvenile Idiopathic Arthritis (JIA)

Sites in San Francisco +3 more locations

Sponsor: Duke University

Sex: All·Age: 2 - 17

Code: NCT06654882·Phase 3·Recruiting·Listed Oct 2024

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Improving Overactive Bladder Treatment Access and Adherence

for Overactive Bladder Syndrome

1 location in Redwood City

Sponsor: Stanford University

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

Code: NCT06094543·Recruiting·Listed Oct 2023

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Autologous B7-H3 Chimeric Antigen Receptor T Cells in Relapsed/Refractory Solid Tumors

for Neuroblastoma

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 2 - 30

Code: NCT06500819·Phase 1·Recruiting·Listed Jul 2024

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Motor Outcomes to Validate Evaluations in FSHD (MOVE FSHD)

for FSHD

Sites in Los Angeles, Stanford +14 more locations

Sponsor: University of Kansas Medical Center

Sex: All·Age: All ages

Code: NCT04635891·Recruiting·Listed Nov 2020

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CHoice of OptImal transCatheter trEatment for Mitral Insufficiency Registry

for Mitral Regurgitation

Sites in Los Angeles +8 more locations

Sponsor: Universitätsklinikum Hamburg-Eppendorf

Sex: All·Age: 18+

Code: NCT04688190·Recruiting·Listed Dec 2020

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The INSPIRE -Faith Study: Intervention Strategies for Preserving Intellectual Resilience and Engagement

for Dementia

1 location in Los Angeles

Sponsor: Healthy Minds Initiative

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

Code: NCT06741865·Recruiting·Listed Dec 2024

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Safety and Pharmacokinetics Study of PGT121.414.LS Alone and in Combination With VRC07-523LS in Infants Exposed to HIV-1

for HIV-1

Sites in Los Angeles +9 more locations

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Sex: All·Age: Up to 72 Hours·Accepts healthy volunteers

Code: NCT06517693·Phase 1·Recruiting·Listed Jul 2024

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Standard Versus High Dose ED-Initiated Buprenorphine Induction

for Opioid Use Disorder

Sites in Oakland, San Leandro +3 more locations

Sponsor: Yale University

Sex: All·Age: 18 - 65

Code: NCT06494904·Phase 3·Recruiting·Listed Jul 2024

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The Effects of Dietary Supplementation on Serum Protein Glycosylation

for Healthy

1 location in Sacramento

Sponsor: University of California, Davis

Sex: All·Age: 18 - 45·Accepts healthy volunteers

Code: NCT05040204·Phase 1·Recruiting·Listed Sep 2021

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Breast Cancer Survivorship Biorepository

for Anatomic Stage I Breast Cancer AJCC v8

1 location in Los Angeles

Sponsor: University of Southern California

Sex: Female·Age: 18+

Code: NCT05786664·Recruiting·Listed Mar 2023

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Innovative Trial for Understanding the Impact of Targeted Therapies in NF2-Related Schwannomatosis (INTUITT-NF2)

for Neurofibromatosis Type 2

Sites in Los Angeles +5 more locations

Sponsor: Scott R. Plotkin, MD, PhD

Sex: All·Age: 12+

Code: NCT04374305·Phase 2·Recruiting·Listed May 2020

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Sodium Bicarbonate and Mitochondrial Energetics in Persons With CKD

for Chronic Kidney Diseases

Sites in Sacramento +1 more location

Sponsor: University of California, Davis

Sex: All·Age: 21 - 85

Code: NCT04984226·Phase 2·Recruiting·Listed Jul 2021

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Physician Modified Endograft For Complex Aortic Aneurysm Repair

for Complex Abdominal Aortic Aneurysm

1 location in San Diego

Sponsor: University of California, Davis

Sex: All·Age: 18+

Code: NCT05339061·Recruiting·Listed Apr 2022

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A Study About How Blood Cell Growth Patterns Relate to Heart Health After Treatment for Hodgkin Lymphoma

for Cardiovascular Disorder

Sites in Duarte +30 more locations

Sponsor: Children's Oncology Group

Sex: All·Age: 7+

Code: NCT05705531·Recruiting·Listed Jan 2023

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Olaparib and ASTX727 in BRCA1/2- and Homologous Recombination Deficient (HRD)-Mutated Tumors

for BRCA1 Mutation

1 location in San Francisco

Sponsor: Varun Monga, MBBS

Sex: All·Age: 18+

Code: NCT06177171·Phase 1·Recruiting·Listed Dec 2023

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Developing a Digital Aid to Improve ICD Decisions

for Heart Failure and Reduced Ejection Fraction

Sites in San Francisco +1 more location

Sponsor: Stanford University

Sex: All·Age: 60+

Code: NCT07084142·Recruiting·Listed Jul 2025

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Supraglottic Airway for Resuscitation Trial

for Neonatal Resuscitation

Sites in Los Angeles, San Diego +28 more locations

Sponsor: Children's Hospital of Philadelphia

Sex: All·Age: 0 Days+

Code: NCT07150923·Recruiting·Listed Sep 2025

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TREAD: Time Restricted Eating Intervention for Alzheimer's Disease

for Mild Cognitive Impairment

1 location in San Diego

Sponsor: University of California, San Diego

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

Code: NCT06548191·Phase 1·Recruiting·Listed Aug 2024

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Active Surveillance for Cancer of the Prostate (ASCaP)

for Prostate Cancer

1 location in Los Angeles

Sponsor: Jonsson Comprehensive Cancer Center

Sex: Male·Age: 30 - 85

Code: NCT00949819·Recruiting·Listed Jul 2009

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DISCOVERY of Risk Factors for Type 2 Diabetes in Youth

for Diabetes Mellitus Type 2, Childhood-Onset

Sites in Los Angeles +19 more locations

Sponsor: George Washington University

Sex: All·Age: 8 - 15

Code: NCT06525259·Recruiting·Listed Jul 2024

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Thulium Fiber Laser (TFL) vs Thulio Pulsed Thulium:YAG (p-Tm:YAG)

for Kidney Stones

1 location in San Diego

Sponsor: University of California, San Diego

Sex: All·Age: 18+

Code: NCT06721975·Recruiting·Listed Dec 2024

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Targeting Collagen VII Antibodies With IV IgG in Dystrophic Epidermolysis Bullosa

for Epidermolysis Bullosa

1 location in Redwood City

Sponsor: M. Peter Marinkovich

Sex: All·Age: 6+

Code: NCT06834035·Phase 1, Phase 2·Recruiting·Listed Feb 2025

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The STOP-MED CTRCD Trial

for Heart Failure

Sites in Los Angeles +1 more location

Sponsor: Dinesh Thavendiranathan

Sex: All·Age: 18+

Code: NCT06183437·Phase 4·Recruiting·Listed Dec 2023

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