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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Prospective Evaluation of Complex Adult Spinal Deformity (CAD) Treated With Minimally Invasive Surgery

for Adult Spinal Deformity

Sites in Los Angeles, San Francisco +9 more locations

Sponsor: International Spine Study Group Foundation

Sex: All·Age: 18+

Code: NCT04885244·Recruiting·Listed May 2021

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Prospective, Multicenter, Case-Control Analysis of the VersaTie Posterior Fixation System to Prevent Proximal Junctional Failure in Long Posterior Spinal Fusion Constructs for Adult Patients

for Adult Spinal Deformity

Sites in La Jolla +7 more locations

Sponsor: International Spine Study Group Foundation

Sex: All·Age: 18+

Code: NCT04888104·Recruiting·Listed May 2021

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The Dynamics of Human Atrial Fibrillation

for Atrial Fibrillation

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 22 - 80

Code: NCT05366361·Recruiting·Listed May 2022

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A Study to Give Treatment Inside the Eye to Treat Retinoblastoma

for Bilateral Retinoblastoma

Sites in Los Angeles, Palo Alto +14 more locations

Sponsor: Children's Oncology Group

Sex: All·Age: Up to 18

Code: NCT05504291·Phase 2·Recruiting·Listed Aug 2022

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Standard Systemic Therapy With or Without Definitive Treatment in Treating Participants With Metastatic Prostate Cancer

for Castration Levels of Testosterone

Sites in Los Angeles, San Francisco +292 more locations

Sponsor: SWOG Cancer Research Network

Sex: Male·Age: 18+

Code: NCT03678025·Phase 3·Recruiting·Listed Sep 2018

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National Program to Overcome Pelvic Pain studY (POPPY)

for Chronic Pelvic Pain Syndrome (CPPS)

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: Female·Age: 18+

Code: NCT06778070·Recruiting·Listed Jan 2025

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Polymer Induced Liquid Precursor (PILP) in Adults in With Dentin Caries

for Dental Caries

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18 - 64

Code: NCT06727110·Recruiting·Listed Dec 2024

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Effectiveness of Brief Intervention in Primary Care for Diverse Young People (Chat)

for Adolescent Drinking

Sites in Commerce +1 more location

Sponsor: RAND

Sex: All·Age: 12 - 19·Accepts healthy volunteers

Code: NCT06699251·Recruiting·Listed Nov 2024

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Ultrasound Neuromodulation in Essential Tremor

for Essential Tremor

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT06610877·Recruiting·Listed Sep 2024

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Enhancing Digitally Delivered Diabetes Education With Real-Time CGM

for Diabetes Type 2

1 location in San Diego

Sponsor: Scripps Whittier Diabetes Institute

Sex: All·Age: 18+

Code: NCT06296550·Recruiting·Listed Mar 2024

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Fluoroscopy Radiation Reduction During Sacral Neuromodulation Lead Placement

for Radiation Exposure

1 location in Loma Linda

Sponsor: Loma Linda University

Sex: All·Age: 18 - 89

Code: NCT04527445·Recruiting·Listed Aug 2020

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Transcutaneous Spinal Cord Stimulation for Chronic Low Back Pain

for Chronic Low-back Pain

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 21 - 85·Accepts healthy volunteers

Code: NCT05265000·Recruiting·Listed Mar 2022

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Revumenib for the Treatment of Acute Leukemia in Patients Post-Allogeneic Stem Cell Transplant

for Acute Leukemia

Drug: Revumenib

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 2+

Code: NCT06575296·Phase 1·Recruiting·Listed Aug 2024

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Olutasidenib for the Treatment of Patients With IDH1 Mutated AML, MDS or CMML After Donor Hematopoietic Cell Transplant

for Acute Myeloid Leukemia

Sites in Duarte +1 more location

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT06543381·Phase 1·Recruiting·Listed Aug 2024

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Telehealth Intervention for Ostomy Self-Management

for Colorectal Cancer

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT06528990·Phase 2·Recruiting·Listed Jul 2024

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Testing & Refinement of CarePair: An Assessment and Referral Platform to Support Family Caregivers of Alzheimer's Disease and Related Dementias.

for Caregiver Burden

1 location in Los Angeles

Sponsor: University of Southern California

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

Code: NCT06418971·Recruiting·Listed May 2024

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ACE-D Aim 3 Clinical Cognitive Trial to Enhance Translation in Depression

for Depression

Sites in Palo Alto +1 more location

Sponsor: Stanford University

Sex: All·Age: 18 - 60

Code: NCT06408246·Phase 2·Recruiting·Listed May 2024

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Endovascular Exclusion of Thoracoabdominal and/or Paravisceral Abdominal Aortic Aneurysm

for Thoracoabdominal Aortic Aneurysm

2 locations in San Francisco

Sponsor: Warren J. Gasper, MD

Sex: All·Age: 18+

Code: NCT00483249·Recruiting·Listed Jun 2007

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Natural History of Medullary Thyroid Cancer to Inform Advanced Disease Management

for Advanced Thyroid Gland Medullary Carcinoma

Sites in San Francisco +1 more location

Sponsor: M.D. Anderson Cancer Center

Sex: All·Age: 18+

Code: NCT04216732·Recruiting·Listed Jan 2020

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CAR T Cells After Lymphodepletion for the Treatment of IL13Rα2 Positive Recurrent or Refractory Brain Tumors in Children

for Malignant Brain Neoplasm

Sites in Los Angeles, Duarte +1 more location

Sponsor: City of Hope Medical Center

Sex: All·Age: 4 - 25

Code: NCT04510051·Phase 1·Recruiting·Listed Aug 2020

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Enhancing Capacity in Churches to Implement PA Programs

for Cardiovascular Diseases

1 location in San Diego

Sponsor: San Diego State University

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

Code: NCT05473871·Recruiting·Listed Jul 2022

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Phase II Trial of Lung Chemoemobolization

for Lung Non-Small Cell Carcinoma

Sites in Duarte +1 more location

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT05672108·Phase 2·Recruiting·Listed Jan 2023

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CD33-CAR T Cell Therapy for the Treatment of Recurrent or Refractory Acute Myeloid Leukemia

for Acute Myeloid Leukemia

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT05672147·Phase 1·Recruiting·Listed Jan 2023

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MDMA-Assisted CBT for OCD (MDMA-CBT4OCD Study)

for Obsessive-Compulsive Disorder

1 location in Palo Alto

Sponsor: Carolyn Rodriguez

Sex: All·Age: 18+

Code: NCT05783817·Phase 2·Recruiting·Listed Mar 2023

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Genetically Modified T-cells (CMV-Specific CD19-CAR T-cells) Plus a Vaccine (CMV-MVA Triplex) for the Treatment of Intermediate or High Grade B-Cell Non-Hodgkin Lymphoma

for High Grade B-Cell Non-Hodgkin's Lymphoma

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT05801913·Phase 1·Recruiting·Listed Apr 2023

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Optimal Ventilation for Cardiac Arrest

for Cardiac Arrest (CA)

Sites in Palo Alto, Orange +18 more locations

Sponsor: Children's Hospital of Philadelphia

Sex: All·Age: 37 Weeks - 18

Code: NCT07114510·Recruiting·Listed Aug 2025

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Identifying Markers of Exercise Training in Heart Failure

for Heart Failure

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 18 - 89

Code: NCT05696652·Recruiting·Listed Jan 2023

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Tart Cherry Juice as a Dietary Supplement for the Prevention of Paclitaxel-Induced Neuropathy

for Breast Cancer

1 location in Sacramento

Sponsor: University of California, Davis

Sex: All·Age: 18+

Code: NCT06268665·Phase 2·Recruiting·Listed Feb 2024

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Parathyroid Allotransplant for Treatment of Hypoparathyroidism

for Hypoparathyroidism

1 location in San Francisco

Sponsor: Peter Stock

Sex: All·Age: 18+

Code: NCT06961071·Phase 1, Phase 2·Recruiting·Listed May 2025

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PediRISE Feasibility

for Pediatric Cancer

Sites in San Francisco +3 more locations

Sponsor: Dana-Farber Cancer Institute

Sex: All·Age: Up to 17

Code: NCT06283251·Recruiting·Listed Feb 2024

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Novel Serum Markers for Monitoring Response to Anti-Cancer Therapy

for Carcinomas (Including Squamous Cell and Adenocarcinoma)

1 location in Stanford

Sponsor: Stanford University

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

Code: NCT00349830·Recruiting·Listed Jul 2006

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Panitumumab-IRDye800 in Detecting Cancer in Participants With Lung Cancer During Surgery

for Lung Carcinoma

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 19+

Code: NCT03582124·Phase 1, Phase 2·Recruiting·Listed Jul 2018

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Comparing Clinical Outcomes of Suture Button Versus Fibulink Fixation for Acute Ankle Syndesmosis Injuries

for Ankle Injuries

1 location in San Diego

Sponsor: University of California, San Diego

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

Code: NCT05729542·Recruiting·Listed Feb 2023

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Clinical Trial of Autologous B7-H3 CAR T Cells in Reoccurent Platinum-resistant Ovarian Tumors

for Ovarian Cancer

1 location in Palo Alto

Sponsor: Stanford University

Sex: Female·Age: 18+

Code: NCT06646627·Phase 1·Recruiting·Listed Oct 2024

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Pediatric PET/MR Image Registry

for Soft Tissue

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: Up to 40

Code: NCT03458520·Recruiting·Listed Mar 2018

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Azithromycin Treatment for Respiratory Syncytial Virus-induced Respiratory Failure in Children

for Respiratory Syncytial Virus Infections

Sites in San Francisco +14 more locations

Sponsor: University of Alabama at Birmingham

Sex: All·Age: 3 Days - 2

Code: NCT05026749·Phase 3·Recruiting·Listed Aug 2021

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Effects of Daily Beef Intake, as a Component of a Heart-Healthy Diet on Cellular Zinc

for Zinc Deficiency

1 location in Davis

Sponsor: University of California, Davis

Sex: All·Age: 55 - 70·Accepts healthy volunteers

Code: NCT05236374·Recruiting·Listed Feb 2022

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Randomized Clinical Trial of iTEST: A Blended Intervention Targeting Introspective Accuracy

for Schizophrenia Disorders

Sites in San Diego +2 more locations

Sponsor: University of California, San Diego

Sex: All·Age: 18 - 65

Code: NCT07098169·Recruiting·Listed Aug 2025

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Botensilimab Plus Balstilimab and Fasting Mimicking Diet Plus Vitamin C for Patients With KRAS-Mutant Metastatic Colorectal Cancer

for Metastatic Colorectal Adenocarcinoma

Drug: Botensilimab

Sites in Los Angeles & Fullerton

Sponsor: University of Southern California

Sex: All·Age: 18+

Code: NCT06336902·Phase 1·Recruiting·Listed Mar 2024

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A Research Study Exploring How Musculoskeletal Function and the Autonomic Nervous System Relate to Visceral Pain in Women With and Without Dysmenorrhea (Painful Periods).

for Dysmenorrhea

1 location in Azusa

Sponsor: Azusa Pacific University

Sex: Female·Age: 18 - 35·Accepts healthy volunteers

Code: NCT07209566·Recruiting·Listed Oct 2025

Apply to this trial