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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Veteran-Centered Care for Advanced Liver Disease (Vet-CALD)

for Liver Diseases

Sites in Palo Alto, Long Beach +6 more locations

Sponsor: VA Office of Research and Development

Sex: All·Age: 18 - 80

Code: NCT06068491·Recruiting·Listed Oct 2023

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Safety of Transcutaneous Electrical Stimulation Potentiating Recovery in Acute Spinal Cord Injury Syndromes

for Acute Spinal Cord Injury (SCI)

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 21+

Code: NCT07090473·Recruiting·Listed Jul 2025

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Trial of Center-Based vs. In-Home Pivotal Response Treatment (PRT) in Autism

for Autism

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 2 - 5

Code: NCT04899544·Recruiting·Listed May 2021

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TSC Biosample Repository and Natural History Database

for Tuberous Sclerosis

Sites in Los Angeles, Loma Linda +21 more locations

Sponsor: National Tuberous Sclerosis Association

Sex: All·Age: All ages

Code: NCT05676099·Recruiting·Listed Jan 2023

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Personalized Antibody-Drug Conjugate Therapy Based on RNA and Protein Testing for the Treatment of Advanced or Metastatic Solid Tumors (The ADC MATCH Screening and Treatment Trial)

for Advanced Malignant Solid Neoplasm

Sites in San Diego, La Jolla +25 more locations

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT06311214·Phase 2·Recruiting·Listed Mar 2024

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Early Internal Fixation Versus NonOperative Care With Early Rehabilitation for LC1 Fragility Fractures of the Pelvis

for Multiple Closed Pelvic Fractures With Disruption of Pelvic Ring

Sites in Los Angeles, San Francisco +10 more locations

Sponsor: University of Southern California

Sex: All·Age: 60+

Code: NCT06496867·Recruiting·Listed Jul 2024

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Testing the Effectiveness of an Intervention That Aligns Circadian Rhythm With Daily Activities on Student Flourishing

for Chronotypes and Health

1 location in La Jolla

Sponsor: University of California, San Diego

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

Code: NCT07410585·Recruiting·Listed Feb 2026

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Suvorexant for Treatment of AUD and PTSD

for Alcohol Use Disorder (AUD)

Sites in Los Angeles +1 more location

Sponsor: Pharmacotherapies for Alcohol and Substance Use Disorders Alliance

Sex: All·Age: 21 - 65

Code: NCT06679062·Phase 2·Recruiting·Listed Nov 2024

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Gemcitabine + Docetaxel + Toripalimab Induction in Epstein-Barr Virus (EBV) Associated Nasopharyngeal Carcinoma(NPC)

for Nasopharyngeal Carcinoma

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 18+

Code: NCT06592599·Phase 2·Recruiting·Listed Sep 2024

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Trial for Patients w/ Advanced Hematologic Malignancies Undergoing Allogeneic HCT

for Acute Myeloid Leukemia

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 18 - 70

Code: NCT06551584·Phase 1·Recruiting·Listed Aug 2024

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LYMPHA Procedure for the Prevention of Lymphedema After Axillary Lymphadenectomy

for Lymphedema, Breast Cancer

1 location in San Francisco

Sponsor: Stanford University

Sex: Female·Age: 18 - 75

Code: NCT05366699·Recruiting·Listed May 2022

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Trial of an Online Spanish Pivotal Response Treatment Training in Autism Spectrum Disorder

for Autism Spectrum Disorder

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 2 - 5

Code: NCT06690255·Recruiting·Listed Nov 2024

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TRANSPIRE: Lung Injury in a Longitudinal Cohort of Pediatric HSCT Patients

for Hematopoietic Stem Cell Transplant (HSCT)

Sites in San Francisco +8 more locations

Sponsor: Children's Hospital Medical Center, Cincinnati

Sex: All·Age: Up to 24

Code: NCT04098445·Recruiting·Listed Sep 2019

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The Biomarkers in the Hyperbaric Oxygen Brain Injury Treatment Trial (BioHOBIT)

for Traumatic Brain Injury

Sites in San Diego +6 more locations

Sponsor: University of Michigan

Sex: All·Age: 16 - 65

Code: NCT04855396·Recruiting·Listed Apr 2021

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Treatment of Meniere's Disease With Migraine Medications

for Ménière

1 location in Orange

Sponsor: University of California, Irvine

Sex: All·Age: 25 - 85

Code: NCT05582837·Phase 4·Recruiting·Listed Oct 2022

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Advancing Transplantation Outcomes in Children

for Kidney Transplant

Sites in Los Angeles, San Diego +18 more locations

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

Sex: All·Age: 13 - 20

Code: NCT06055608·Phase 2·Recruiting·Listed Sep 2023

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Clinical, Imaging, and Endoscopic Outcomes of Children Newly Diagnosed With Crohn's Disease

for Crohn Disease

Sites in Los Angeles, San Francisco +19 more locations

Sponsor: Connecticut Children's Medical Center

Sex: All·Age: 6 - 17

Code: NCT05781152·Phase 4·Recruiting·Listed Mar 2023

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Biliary Atresia Study in Infants and Children

for Biliary Atresia

Sites in Los Angeles +8 more locations

Sponsor: Arbor Research Collaborative for Health

Sex: All·Age: 6 Months - 20

Code: NCT00345553·Recruiting·Listed Jun 2006

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Outcomes in Pediatric and Young Adult B-Cell Malignancies After Commercially Available Immunotherapy

for Lymphoid Leukemia

Sites in San Francisco, Palo Alto +20 more locations

Sponsor: Stanford University

Sex: All·Age: Up to 26

Code: NCT05865301·Recruiting·Listed May 2023

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Brentuximab Vedotin in Early Stage Hodgkin Lymphoma

for Hodgkin Lymphoma

Sites in Stanford +2 more locations

Sponsor: University College, London

Sex: All·Age: 16 - 69

Code: NCT04685616·Phase 3·Recruiting·Listed Dec 2020

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A Study Using Risk Factors to Determine Treatment for Children With Favorable Histology Wilms Tumors (FHWT)

for Stage I Mixed Cell Type Kidney Wilms Tumor

Sites in Los Angeles, San Francisco +144 more locations

Sponsor: Children's Oncology Group

Sex: All·Age: Up to 30

Code: NCT06401330·Phase 3·Recruiting·Listed May 2024

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Health Properties of Pecan Nut Consumption

for Healthy Adults

1 location in Davis

Sponsor: University of California, Davis

Sex: All·Age: 45 - 75·Accepts healthy volunteers

Code: NCT07227259·Recruiting·Listed Nov 2025

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Stereotactic Radiosurgery Compared With Hippocampal-Avoidant Whole Brain Radiotherapy (HA-WBRT) Plus Memantine for 5 or More Brain Metastases

for Brain Metastases

Sites in Duarte, Irvine +36 more locations

Sponsor: Canadian Cancer Trials Group

Sex: All·Age: 18+

Code: NCT03550391·Phase 3·Recruiting·Listed Jun 2018

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Faricimab + PRP vs. Vitrectomy + Endolaser for Treatment of PDR

for Proliferative Diabetic Retinopathy (PDR)

Sites in Loma Linda, Huntington Beach +28 more locations

Sponsor: Jaeb Center for Health Research

Sex: All·Age: 18+

Code: NCT06790784·Phase 3·Recruiting·Listed Jan 2025

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Osimertinib Alone or With Chemotherapy for EGFR-Mutant Lung Cancers

for Metastatic Non-small Cell Lung Cancer

Drug: Osimertinib

Sites in Sacramento +15 more locations

Sponsor: Memorial Sloan Kettering Cancer Center

Sex: All·Age: 18+

Code: NCT04410796·Phase 2·Recruiting·Listed Jun 2020

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Asciminib as Maintenance Treatment After Cellular Therapies for Adults With Philadelphia Chromosome Positive Acute Lymphoblastic Leukemia

for B Acute Lymphoblastic Leukemia With t(9

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT07040982·Phase 1·Recruiting·Listed Jun 2025

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A Dyadic Sleep Health Approach for Persons With Alzheimer's Disease and Caregivers

for Sleep

Sites in Los Angeles & La Jolla

Sponsor: University of California, Los Angeles

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

Code: NCT05452031·Recruiting·Listed Jul 2022

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Dynamic Critical Congenital Heart Screening With Addition of Perfusion Measurements

for Congenital Heart Disease

Sites in Davis +2 more locations

Sponsor: University of California, Davis

Sex: All·Age: 0 Minutes - 21 Days·Accepts healthy volunteers

Code: NCT05637814·Recruiting·Listed Dec 2022

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Ivonescimab for the Treatment of Thymic Cancer

for Thymus Carcinoma

Drug: Ivonescimab

Sites in Los Angeles, San Francisco +3 more locations

Sponsor: Jonsson Comprehensive Cancer Center

Sex: All·Age: 18+

Code: NCT06980077·Phase 2·Recruiting·Listed May 2025

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A Study of a New Way to Treat Children and Young Adults With a Brain Tumor Called NGGCT

for Central Nervous System Nongerminomatous Germ Cell Tumor

Sites in Los Angeles, San Francisco +132 more locations

Sponsor: Children's Oncology Group

Sex: All·Age: 3 - 29

Code: NCT04684368·Phase 2·Recruiting·Listed Dec 2020

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Efficacy of Tezepelumab in Peanut Oral Immunotherapy

for Peanut Allergy

Sites in Los Angeles +9 more locations

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

Sex: All·Age: 12 - 55

Code: NCT07015996·Phase 2·Recruiting·Listed Jun 2025

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Improving Survival for Metastatic Lobular Breast Cancer (PLUMB Registry)

for Metastatic Breast Cancer

Sites in San Francisco, San Diego +2 more locations

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT05964504·Recruiting·Listed Jul 2023

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Preventing Liver Cancer Mortality Through Imaging With Ultrasound vs. MRI

for Carcinoma, Hepatocellular

Sites in San Diego, Palo Alto +31 more locations

Sponsor: VA Office of Research and Development

Sex: All·Age: 18 - 75

Code: NCT05486572·Recruiting·Listed Aug 2022

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Regeneron AA Multicenter (Dupilumab)

for Alopecia Areata

Drug: Dupilumab

Sites in Irvine +2 more locations

Sponsor: Emma Guttman

Sex: All·Age: 18+

Code: NCT05551793·Phase 2·Recruiting·Listed Sep 2022

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Phase 1/2 Trial of S241656 in Selected RAS/MAPK Mutation- Positive Malignancies

for Non-small Cell Lung Cancer

Sites in Los Angeles, San Francisco +18 more locations

Sponsor: Institut de Recherches Internationales Servier

Sex: All·Age: 18+

Code: NCT05786924·Phase 1, Phase 2·Recruiting·Listed Mar 2023

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Imaging of Solid Tumors Using 18F-TRX

for Solid Tumor

1 location in San Francisco

Sponsor: Rahul Aggarwal

Sex: All·Age: 18+

Code: NCT06942104·Phase 1·Recruiting·Listed Apr 2025

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A Study to Evaluate the Use of Resmetirom in Participants With MASLD and HIV

for MASLD - Metabolic Dysfunction-Associated Steatotic Liver Disease

Sites in San Francisco, La Jolla +8 more locations

Sponsor: Naga P. Chalasani

Sex: All·Age: 18+

Code: NCT07143968·Phase 2·Recruiting·Listed Aug 2025

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Use of Total-Body PET to Quantify Systemic and Cutaneous Inflammation in Psoriasis Patients Before and After Intervention With a Nutritionally Balanced Diet

for Psoriasis

1 location in Sacramento

Sponsor: University of California, Davis

Sex: All·Age: 18+

Code: NCT06574178·Recruiting·Listed Aug 2024

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I-SPY TRIAL: Neoadjuvant and Personalized Adaptive Novel Agents to Treat Breast Cancer

for Breast Neoplasms

Sites in Los Angeles, San Francisco +31 more locations

Sponsor: QuantumLeap Healthcare Collaborative

Sex: All·Age: 18+

Code: NCT01042379·Phase 2·Recruiting·Listed Jan 2010

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Type 1 Diabetes Extension Study

for Type 1 Diabetes Mellitus

Sites in San Francisco, Stanford +6 more locations

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

Sex: All·Age: 8 - 35

Code: NCT02734277·Recruiting·Listed Apr 2016

Apply to this trial