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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Testing the Combination of Two Approved Chemotherapy Drugs and Radiation Prior to Surgery in Localized Pancreatic Cancer

for Pancreas Adenocarcinoma

1 location in Loma Linda

Sponsor: Loma Linda University

Sex: All·Age: 18+

Code: NCT03492671·Phase 2·Recruiting·Listed Apr 2018

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Brain Imaging Biomarkers for Response to Spinal Cord Stimulation in Patients With Chronic Low Back Pain

for Chronic Low-back Pain

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 21+

Code: NCT04658628·Recruiting·Listed Dec 2020

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Clarifying the Optimal Application of SLT Therapy Trial

for Glaucoma and Ocular Hypertension

Sites in San Francisco, Sacramento +25 more locations

Sponsor: University of Pittsburgh

Sex: All·Age: 18+

Code: NCT04967989·Phase 3·Recruiting·Listed Jul 2021

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Efficacy of mHealth Applications in Weight Management in a Population Affected by Overweight or Obesity

for Overweight and Obesity

1 location in San Diego

Sponsor: San Diego State University

Sex: All·Age: 18 - 64·Accepts healthy volunteers

Code: NCT05726942·Recruiting·Listed Feb 2023

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Angelman Syndrome Natural History Study

for Angelman Syndrome

Sites in Los Angeles, San Diego +6 more locations

Sponsor: Boston Children's Hospital

Sex: All·Age: All ages

Code: NCT04507997·Recruiting·Listed Aug 2020

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Metabolic and Bio-behavioral Effects of Following Recommendations in the Dietary Guidelines for Americans

for Obesity

1 location in Davis

Sponsor: USDA, Western Human Nutrition Research Center

Sex: Female·Age: 19 - 64·Accepts healthy volunteers

Code: NCT04293224·Recruiting·Listed Mar 2020

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Smoking Cessation CM for Veterans With or at Risk for Cancer

for Tobacco Use Disorder

1 location in San Francisco

Sponsor: VA Office of Research and Development

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

Code: NCT06432985·Recruiting·Listed May 2024

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Open-label of Loncastuximab Tesirine (ADCT-402) in Relapsed/Refractory Marginal Zone Lymphoma

for Marginal Zone Lymphoma

Sites in Duarte +3 more locations

Sponsor: University of Miami

Sex: All·Age: 18+

Code: NCT05296070·Phase 2·Recruiting·Listed Mar 2022

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Human Embryonic Stem Cell-Derived Cardiomyocyte Therapy for Chronic Ischemic Left Ventricular Dysfunction

for Chronic Ischemic Left Ventricular Dysfunction

1 location in Palo Alto

Sponsor: Joseph C. Wu

Sex: All·Age: 21 - 80

Code: NCT05068674·Phase 1·Recruiting·Listed Oct 2021

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Mindfulness-assisted Psychedelic Therapy

for Mental Health

1 location in Los Angeles

Sponsor: University of Southern California

Sex: All·Age: 25+·Accepts healthy volunteers

Code: NCT06233344·Phase 2·Recruiting·Listed Jan 2024

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Treat-to-Target Serum Urate Versus Treat-to-Avoid Symptoms in Gout

for Gout

Sites in Santa Monica +6 more locations

Sponsor: Massachusetts General Hospital

Sex: All·Age: 18 - 90

Code: NCT04875702·Phase 4·Recruiting·Listed May 2021

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Mosunetuzumab and Polatuzumab Vedotin for the Treatment of Patients With Relapsed or Refractory Grade 1-3a Follicular Lymphoma

for Recurrent Grade 1 Follicular Lymphoma

Drug: Polatuzumab Vedotin

Sites in Duarte & Irvine

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT06453044·Phase 2·Recruiting·Listed Jun 2024

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Metabolic Mechanisms Induced by Enteral DHA and ARA Supplementation in Preterm Infants

for Premature

Sites in Los Angeles +6 more locations

Sponsor: The University of Texas Health Science Center at San Antonio

Sex: All·Age: Up to 36 Weeks

Code: NCT05380401·Recruiting·Listed May 2022

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Zanubrutinib in Combination With Odronextamab for the Treatment of Patients With Richter's Transformation

for Recurrent Transformed Chronic Lymphocytic Leukemia

Drug: Odronextamab

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT06735664·Phase 1·Recruiting·Listed Dec 2024

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Stereotactic Body Radiotherapy (SBRT) for Early Treatment of Oligometastatic Adenoid Cystic Carcinoma: The SOLAR Trial

for Adenoid Cystic Carcinoma

Sites in San Francisco +4 more locations

Sponsor: Dana-Farber Cancer Institute

Sex: All·Age: 18+

Code: NCT04883671·Recruiting·Listed May 2021

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In-patient SCC TMS

for Major Depressive Disorder

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 18 - 65

Code: NCT05645575·Recruiting·Listed Dec 2022

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Beacon Sensors and Telerehabilitation to Assess and Improve Use of Devices (BeST-AID) for Low Vision

for Low Vision

Sites in Los Angeles, San Francisco +7 more locations

Sponsor: University of California, Los Angeles

Sex: All·Age: 18+

Code: NCT06107881·Recruiting·Listed Oct 2023

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External Beam Radiation Therapy in Combination With Talquetamab for the Treatment of Multiple Myeloma Patients With Extramedullary Disease

for Extramedullary Disease in Multiple Myeloma

Drug: Talquetamab

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT06572605·Phase 1, Phase 2·Recruiting·Listed Aug 2024

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Pain and Major Depressive Disorder

for Major Depressive Disorder

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 18 - 75

Code: NCT04556890·Recruiting·Listed Sep 2020

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Vocal Emotion Communication With Cochlear Implants

for Cochlear Hearing Loss

Sites in Los Angeles +3 more locations

Sponsor: Father Flanagan's Boys' Home

Sex: All·Age: 6 - 80·Accepts healthy volunteers

Code: NCT05486637·EARLY_Phase 1·Recruiting·Listed Aug 2022

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Benefits of Choir for Older Adults With Unaddressed Hearing Loss (WP2)

for Hearing Loss, Age-Related

1 location in Los Angeles

Sponsor: Toronto Metropolitan University

Sex: All·Age: 60+

Code: NCT06580847·Recruiting·Listed Aug 2024

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Genetic Basis of Melanocytic Nevi

for Melanocytic Nevi

1 location in Sacramento

Sponsor: University of California, Davis

Sex: All·Age: 18+

Code: NCT03054584·Recruiting·Listed Feb 2017

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UCSF PANC Cyst Registry

for Pancreatic Cyst

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT04291651·Recruiting·Listed Mar 2020

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AOH1996 for the Treatment of Refractory Solid Tumors

for Refractory Malignant Solid Neoplasm

Sites in Duarte +1 more location

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT05227326·Phase 1·Recruiting·Listed Feb 2022

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Fatigue and Molecular Mechanisms in Cancer Patients Receiving CCRT

for Cancer

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT06633224·Recruiting·Listed Oct 2024

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Biology-Guided Radiation Therapy for the Treatment of Patients With Bone Metastases

for Metastatic Malignant Neoplasm in the Bone

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT06549478·Phase 1·Recruiting·Listed Aug 2024

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Development of Effective, Opioid Sparing Techniques for Peri-operative Pain Management of Transgender Patients Undergoing Gender Affirming Surgeries

for Gender Dysphoria

1 location in Los Angeles

Sponsor: Cedars-Sinai Medical Center

Sex: All·Age: 18+

Code: NCT04979338·Phase 3·Recruiting·Listed Jul 2021

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Deep TMS of Neural Circuits Associated With Stimulant Use Disorder

for Methamphetamine Use Disorder

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 25 - 75

Code: NCT06578429·Recruiting·Listed Aug 2024

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Azithromycin Before Induction

for Infections

1 location in Colton

Sponsor: Arrowhead Regional Medical Center

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

Code: NCT06543290·Phase 1·Recruiting·Listed Aug 2024

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Prospective Evaluation of Topical Almond Oil vs Hydroquinone

for Skin Pigmentation

1 location in Sacramento

Sponsor: University of California, Davis

Sex: Female·Age: 18+

Code: NCT04875715·Phase 4·Recruiting·Listed May 2021

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Multicenter Study of Seliciclib (R-roscovitine) for Cushing Disease

for Cushing Disease

1 location in Los Angeles

Sponsor: Cedars-Sinai Medical Center

Sex: All·Age: 18+

Code: NCT03774446·Phase 2·Recruiting·Listed Dec 2018

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Short-term And Longer-term Cognitive Impact Of Neurochecks

for Intracerebral Hemorrhage

1 location in San Diego

Sponsor: University of California, San Diego

Sex: All·Age: 18 - 100

Code: NCT06219889·Recruiting·Listed Jan 2024

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Cognitive Control Training for Extinction in PTSD

for Post-Traumatic Stress Disorders

1 location in San Diego

Sponsor: VA Office of Research and Development

Sex: All·Age: 18 - 65

Code: NCT06629064·Recruiting·Listed Oct 2024

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Study of PRRT in Metastatic, World Health Organization (WHO) Grade 1 or 2, SSTR Positive, GEP-NET Who Are Candidates for Cytoreductive Surgery

for Gastroenteropancreatic Neuroendocrine Tumor

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 18+

Code: NCT04609592·Phase 1·Recruiting·Listed Oct 2020

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Immediate Postpartum Glucose Tolerance Testing

for Gestational Diabetes

1 location in Long Beach

Sponsor: MemorialCare Health System

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

Code: NCT04199676·Recruiting·Listed Dec 2019

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TrialNet Pathway to Prevention of T1D

for Diabetes Mellitus, Type 1

Sites in San Francisco, Orange +15 more locations

Sponsor: University of South Florida

Sex: All·Age: 2 - 45·Accepts healthy volunteers

Code: NCT00097292·Recruiting·Listed Nov 2004

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International Rare Histiocytic Disorders Registry (IRHDR)

for Rare Histiocytic Disorders (RHDs)

Sites in Los Angeles, Madera +4 more locations

Sponsor: The Hospital for Sick Children

Sex: All·Age: All ages

Code: NCT02285582·Recruiting·Listed Nov 2014

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Recruitment and Engagement in Care to Impact Practice Enhancement (RECIPE) for Sickle Cell Disease

for Sickle Cell Disease

Sites in Oakland +8 more locations

Sponsor: RTI International

Sex: All·Age: 18+

Code: NCT06385886·Recruiting·Listed Apr 2024

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Characterization of Inclusion Body Myopathy Associated With Paget's Disease of Bone and Frontotemporal Dementia (IBMPFD)

for Inclusion Body Myopathy With Early-onset Paget Disease and Frontotemporal Dementia

1 location in Irvine

Sponsor: University of California, Irvine

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

Code: NCT01353430·Recruiting·Listed May 2011

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Friedreich Ataxia Global Clinical Consortium UNIFIED Natural History Study

for Friedreich Ataxia

Sites in Los Angeles +8 more locations

Sponsor: Friedreich's Ataxia Research Alliance

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

Code: NCT06016946·Recruiting·Listed Aug 2023

Apply to this trial