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 28, 2026.

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5,286 clinical trials

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Molecular and Clinical Risk-Directed Therapy for Infants and Young Children With Newly Diagnosed Medulloblastoma

for Medulloblastoma

Sites in Palo Alto +9 more locations

Sponsor: St. Jude Children's Research Hospital

Sex: All·Age: Up to 59 Months

Code: NCT05535166·Phase 2·Recruiting·Listed Sep 2022

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SUpport From PEeRs to Expand Access Study - Community

for Depression, Anxiety

1 location in San Francisco

Sponsor: University of California, Berkeley

Sex: All·Age: 18 - 100

Code: NCT07186816·Recruiting·Listed Sep 2025

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Extended Intervention for Tobacco Use (EXIT) for People Experiencing Homelessness

for Tobacco Cessation

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT07148232·Phase 4·Recruiting·Listed Aug 2025

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Low-Intensity Focused Ultrasound Pulsation (LIFUP) for the Treatment of Generalized Anxiety Disorder (GAD)

for Generalized Anxiety Disorder

Sites in Los Angeles +2 more locations

Sponsor: University of California, Los Angeles

Sex: All·Age: 18 - 65

Code: NCT04557891·Recruiting·Listed Sep 2020

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BSGM to Evaluate Patients With GI Symptoms

for Gastrointestinal Motility Disorders in Children

Sites in San Diego +4 more locations

Sponsor: Children's Hospital of Philadelphia

Sex: All·Age: 8 - 25·Accepts healthy volunteers

Code: NCT05880199·Recruiting·Listed May 2023

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Shorter Versus Extended Course of Antibiotic Therapy for Necrotizing Soft Tissue Infections

for Necrotizing Soft Tissue Infection

1 location in Orange

Sponsor: University of California, Irvine

Sex: All·Age: 18+

Code: NCT06002607·Recruiting·Listed Aug 2023

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Induction of Dreaming With EEG and Anesthesia for Post-traumatic Stress Disorder

for PTSD

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 18 - 70

Code: NCT06577636·Phase 2·Recruiting·Listed Aug 2024

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A Clinic-wide Intervention (Primary Care-GI Connect) for Improving Rates of Colonoscopy After Abnormal Fecal Immunochemical Test Result in Patients at Federally Qualified Health Centers

for Colorectal Carcinoma

2 locations in Los Angeles

Sponsor: Jonsson Comprehensive Cancer Center

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

Code: NCT06568016·Recruiting·Listed Aug 2024

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Heart Failure Precision Medicine Study

for Heart Failure

1 location in Sacramento

Sponsor: University of California, Davis

Sex: All·Age: 21+

Code: NCT04196842·Recruiting·Listed Dec 2019

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Neoadjuvant INBRX-106 in Combination With Pembrolizumab for Stage II/III TNBC Patients

for Triple Negative Breast Cancer

Drug: INBRX-106

Sites in Los Angeles +3 more locations

Sponsor: Providence Health & Services

Sex: All·Age: 18+

Code: NCT06353997·Phase 2·Recruiting·Listed Apr 2024

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Meditative Neurofeedback for Depression

for Depression - Major Depressive Disorder

1 location in La Jolla

Sponsor: University of California, San Diego

Sex: All·Age: 18+

Code: NCT06675240·Recruiting·Listed Nov 2024

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Healthy Lifestyles in Bipolar Disorder: Bay Area Study

for Bipolar Disorder

1 location in Berkeley

Sponsor: University of California, Berkeley

Sex: All·Age: 18 - 65

Code: NCT06555406·Recruiting·Listed Aug 2024

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Bumetanide in Patients With Alzheimer's Disease

for Alzheimer Disease

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 50 - 85

Code: NCT06052163·Phase 2·Recruiting·Listed Sep 2023

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Symptoms of Immune Checkpoint Inhibitor Therapy in Cutaneous Melanoma

for Cutaneous Melanoma

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT07148245·Recruiting·Listed Aug 2025

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A Platform Study of Epigenetic Therapy Before Prostatectomy in Men With Prostate Cancer

for High-risk Prostate Cancer

1 location in Los Angeles

Sponsor: Edwin Posadas, MD

Sex: Male·Age: 18+

Code: NCT06888102·EARLY_Phase 1·Recruiting·Listed Mar 2025

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External Device for Erectile Dysfunction (3D-Erect)

for Erectile Dysfunction

1 location in Stanford

Sponsor: Stanford University

Sex: Male·Age: 18+

Code: NCT04624126·Recruiting·Listed Nov 2020

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A Study of Breast Cancer Risk Factors and Outcomes of People in Florida

for Breast Cancer

Sites in Los Angeles +2 more locations

Sponsor: Memorial Sloan Kettering Cancer Center

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

Code: NCT06780176·Recruiting·Listed Jan 2025

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Different Types of Massage Therapy to Reduce Anxiety During Chemotherapy Infusion in Patients With Cancer

for Hematopoietic and Lymphatic System Neoplasm

1 location in Irvine

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT07184294·Recruiting·Listed Sep 2025

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SEVENFACT® for Bleeding Events in Hemophilia With Inhibitors

for Hemophilia A With Inhibitor

Sites in Los Angeles, Sacramento +15 more locations

Sponsor: American Thrombosis and Hemostasis Network

Sex: All·Age: 12 - 100

Code: NCT04647227·Phase 4·Recruiting·Listed Nov 2020

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Niclosamide in Pediatric Patients With Relapsed and Refractory AML

for Acute Myeloid Leukemia (AML)

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 2 - 25

Code: NCT05188170·Phase 1·Recruiting·Listed Jan 2022

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Study to Test OBI-3424 in Patients With T-Cell Acute Lymphoblastic Leukemia (T-ALL) or T-Cell Lymphoblastic Lymphoma (T-LBL)

for Recurrent T Acute Lymphoblastic Leukemia

Sites in Duarte, Orange +112 more locations

Sponsor: SWOG Cancer Research Network

Sex: All·Age: 12+

Code: NCT04315324·Phase 1, Phase 2·Recruiting·Listed Mar 2020

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Resilience Programming for Occupational Therapy Students

for Health and Wellbeing of Occupational Therapy Students

1 location in Loma Linda

Sponsor: Loma Linda University

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

Code: NCT05956756·Recruiting·Listed Jul 2023

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Zr-89 Crefmirlimab Berdoxam and Immuno-Positron Emission Tomography for the Imaging of Patients With Resectable Brain Tumors

for Glioma

1 location in Los Angeles

Sponsor: Jonsson Comprehensive Cancer Center

Sex: All·Age: 18+

Code: NCT06650163·Phase 1·Recruiting·Listed Oct 2024

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Personalized Ultrafractionated Stereotactic Adaptive Radiotherapy for Palliative Head and Neck Cancer Treatment (PULS-Pal)

for Head and Neck Carcinoma

1 location in Los Angeles

Sponsor: Jonsson Comprehensive Cancer Center

Sex: All·Age: 18+

Code: NCT06572423·Recruiting·Listed Aug 2024

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Duration of Urinary Catheterization

for Colorectal Surgery

2 locations in Los Angeles

Sponsor: University of Southern California

Sex: All·Age: 18+

Code: NCT04359069·Recruiting·Listed Apr 2020

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Children's Bipolar Network Treatment Trial I

for Bipolar Disorder

Sites in Los Angeles +3 more locations

Sponsor: University of California, Los Angeles

Sex: All·Age: 9 - 19

Code: NCT05427123·Recruiting·Listed Jun 2022

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S.T.A.N.D. Alacrity Center Signature Project

for Depression

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 18 - 40

Code: NCT05591937·Recruiting·Listed Oct 2022

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Assess Diversity of Gut Microbiome in Met NSCLC in Correlation to Tx & Adverse Effects

for Non Small Cell Lung Cancer

1 location in Orange

Sponsor: University of California, Irvine

Sex: All·Age: 18+

Code: NCT06221800·Recruiting·Listed Jan 2024

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A Novel Multiplex ELISA Assay for Surveilling Patients With History of Bladder Cancer

for Bladder Cancer

1 location in Los Angeles

Sponsor: Cedars-Sinai Medical Center

Sex: All·Age: 18+

Code: NCT03193515·Recruiting·Listed Jun 2017

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Efficacy of Preoperative Administration of Gabapentin in 3rd Molar Dental Extraction.

for Dental Pain and Sensation Disorder

1 location in Loma Linda

Sponsor: Loma Linda University

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

Code: NCT04860141·Phase 4·Recruiting·Listed Apr 2021

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Neural Basis of Social Cognition Deficits

for Autism Spectrum Disorder

1 location in Loma Linda

Sponsor: Loma Linda University

Sex: All·Age: 12 - 18

Code: NCT05185128·Recruiting·Listed Jan 2022

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Safest Choice of Antihypertensive Regimen for Postpartum Hypertension

for Postpartum Complication

1 location in Loma Linda

Sponsor: Loma Linda University

Sex: Female·Age: 18+

Code: NCT05551104·Phase 3·Recruiting·Listed Sep 2022

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Evaluation of Bridging Radiation Therapy Before CAR T-Cell Infusion for the Treatment of Relapsed or Refractory Large B-Cell Lymphoma

for Recurrent Diffuse Large B-Cell Lymphoma

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT05800405·EARLY_Phase 1·Recruiting·Listed Apr 2023

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Sleep and Central Auditory Processing Disorder in Autism Spectrum Disorder

for Central Auditory Processing Disorder

1 location in Loma Linda

Sponsor: Loma Linda University

Sex: All·Age: 6 - 17

Code: NCT06059352·Recruiting·Listed Sep 2023

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Factors That Affect Trust Between Physicians and Patients

for Trust

1 location in Loma Linda

Sponsor: Loma Linda University

Sex: All·Age: 18+

Code: NCT06125431·Recruiting·Listed Nov 2023

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Effects of Cannabidiol (CBD) Versus Placebo as an Adjunct to Treatment in Early Psychosis

for Early Psychosis

Sites in San Diego & La Jolla

Sponsor: University of California, San Diego

Sex: All·Age: 16 - 30

Code: NCT04411225·Phase 3·Recruiting·Listed Jun 2020

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Hyperbaric Oxygen Therapy for Ulcerative Colitis (HBOT-UC)

for Ulcerative Colitis

Sites in Los Angeles +11 more locations

Sponsor: Northwestern University

Sex: All·Age: 18 - 85

Code: NCT05987852·Recruiting·Listed Aug 2023

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Adaptive Randomization of Aerobic Exercise During Chemotherapy in Colon Cancer

for Colonic Neoplasms

Sites in Oakland +2 more locations

Sponsor: AdventHealth Translational Research Institute

Sex: All·Age: 18+

Code: NCT05773144·Recruiting·Listed Mar 2023

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ACCESS: Accelerating Cervical Cancer Elimination Through the Integration of Screen-and-treat Services

for HIV

1 location in La Jolla

Sponsor: University of California, San Diego

Sex: Female·Age: 25 - 64

Code: NCT06128304·Recruiting·Listed Nov 2023

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Best Available Therapy Versus Autologous Hematopoietic Stem Cell Transplant for Multiple Sclerosis (BEAT-MS)

for Relapsing Multiple Sclerosis

Sites in Palo Alto +19 more locations

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

Sex: All·Age: 18 - 55

Code: NCT04047628·Phase 3·Recruiting·Listed Aug 2019

Apply to this trial