Paid Clinical Trials in California

California has 6,497 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: June 12, 2026.

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6,497 clinical trials

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Health And Response: Digital Markers for Outcomes in Perinatal Depression Treatment Study

for Depression

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: Female·Age: 18+

Code: NCT07577947·Not Yet Recruiting

Preventing Medication Mismanagement in People Living With Dementia

for Dementia

1 location in Folsom

Sponsor: HiDO Technologies

Sex: All·Age: 65+

Code: NCT07600684·Recruiting

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Telemedicine to Support Living Kidney Donor Candidates

for Healthy

1 location in Orange

Sponsor: University of California, Irvine

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

Code: NCT07206069·Recruiting

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A Master Protocol (IIBD): A Study of Multiple Drugs in Adults With Ulcerative Colitis or Crohn's Disease

for Colitis, Ulcerative

15 locations incl. Scottsdale

Sponsor: Eli Lilly and Company

Sex: All·Age: 18 - 80

Code: NCT07483073·Phase 2·Recruiting

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A Study of LY4395089 and Mirikizumab (LY3074828) Given Together and Mirikizumab (Alone) in Adults With Crohn's Disease

for Crohn Disease

Drug: LY4395089

15 locations incl. Scottsdale

Sponsor: Eli Lilly and Company

Sex: All·Age: 18 - 80

Code: NCT07483099·Phase 2·Recruiting

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A Study of ASP546C in Adults With Gastroesophageal Cancer, Pancreatic Cancer or Other Solid Tumors

for Gastric or Gastro-esophageal Junction (GEJ) Adenocarcinoma

9 locations incl. Los Angeles

Sponsor: Astellas Pharma Global Development, Inc.

Sex: All·Age: 18+

Code: NCT07488676·Phase 1, Phase 2·Recruiting

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Pupillometry in Identifying Risk of Postoperative Opioid-induced Respiratory Depression in Children Undergoing Tonsillectomy

for Opioid-Induced Respiratory Depression

2 locations incl. San Francisco

Sponsor: NeurOptics Inc

Sex: All·Age: 3 - 17·Accepts healthy volunteers

Code: NCT07573150·Recruiting

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A Study Evaluating the Impact of Regular FODMAP-targeting Digestive Enzyme Blend Use on Gastrointestinal Symptoms in Individuals With Self-Reported Bloating

for IBS (Irritable Bowel Syndrome)

1 location in Los Angeles

Sponsor: Kiwi Health Inc

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

Code: NCT07591584·Recruiting

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AZD2265 Compared With Standard of Care in PSMA-positive Metastatic Castration-resistant Prostate Cancer (VECTRA-01)

for Metastatic Castration-resistant Prostate Cancer

24 locations incl. Dothan

Sponsor: AstraZeneca

Sex: Male·Age: 18+

Code: NCT07611110·Phase 3·Recruiting

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A Novel Auditory Application for Distraction in Pediatric Patients

for Emotional Distress

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 4 - 17

Code: NCT06922032·Not Yet Recruiting

Technology-Based Distractions for Minor Procedures

for Anxiety

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 4 - 17

Code: NCT06924814·Not Yet Recruiting

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·Not Yet Recruiting

Use of Augmented Reality and Virtual Reality During Cognitive Behavioral Therapy for Needle Phobia

for Needle Phobia

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 11 - 17

Code: NCT07042074·Not Yet Recruiting

Yttrium-90 Radiation Segmentectomy for Hepatocellular Carcinoma

for Hepatocellular Carcinoma

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 22+

Code: NCT07110233·Not Yet Recruiting

Repetitive Transcranial Magnetic Stimulation Treatment of Stimulant Use Disorder

for Stimulant Use Disorder

1 location in Palo Alto

Sponsor: VA Office of Research and Development

Sex: All·Age: 18 - 65

Code: NCT07112105·Not Yet Recruiting

Image-Guided Herniorrhaphy Study

for Hernia

1 location in Sacramento

Sponsor: University of California, Davis

Sex: All·Age: 18+

Code: NCT07267494·Not Yet Recruiting

Bacteriophages for Adults With Cystic Fibrosis and Chronic Achromobacter Lung Infection

for Cystic Fibrosis (CF)

2 locations incl. San Diego

Sponsor: Ghady Haidar

Sex: All·Age: 18+

Code: NCT07275905·Phase 1·Not Yet Recruiting

An Artificial Intelligence Driven Approach to Optimize Patient Selection for a Transitional Pain Service

for Postsurgical Pain Management

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT07296770·Phase 3·Not Yet Recruiting

UCSF Center for Genome Surgery Biobank and Registry

for Any Conditions That Are Genetic or Suspected to be Genetic in Origin

1 location in San Francisco

Sponsor: University of California, San Francisco

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

Code: NCT07396285·Not Yet Recruiting

Pressure Targeting During High Flow Therapy in Premature Infants

for Preterm Infants

2 locations incl. San Diego

Sponsor: University of Texas at Austin

Sex: All·Age: 7 Days - 40 Weeks

Code: NCT07418502·Phase 2·Not Yet Recruiting

Investigation of the Delve Detect Cerebrospinal Fluid (CSF) Metagenomic Next-generation Sequencing (mNGS) Test When Used for the Initial Diagnostic Workup of Patients With Suspected Central Nervous System (CNS) Infection

for Central Nervous System Infection

3 locations incl. San Francisco

Sponsor: Delve Bio, Inc.

Sex: All·Age: All ages

Code: NCT07435649·Recruiting

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Study of Novel Therapies for Young People With Recurrent/Progressive Atypical Teratoid Rhabdoid Tumor (ATRT)

for Recurrent Atypical Teratoid/Rhabdoid Tumor

1 location in San Francisco

Sponsor: Sabine Mueller, MD, PhD

Sex: All·Age: 1 - 39

Code: NCT07447076·Phase 2·Not Yet Recruiting

Effects of P24 on Postprandial Aminoacidemia

for Postprandial Amino Acid Concentrations in Healthy Adults

1 location in Davis

Sponsor: Amplifye

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

Code: NCT07479173·Not Yet Recruiting

fNIRS for Disorders of Consciousness

for Disorders of Consciousness Due to Severe Brain Injury

1 location in Los Angeles

Sponsor: University of California, Los Angeles

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

Code: NCT07485361·Recruiting

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Generative AI Patient Education Module for Breast Oncology

for Breast Cancer

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT07512271·Not Yet Recruiting

Mindfulness Engaged Neurostimulation for Depression (MEND II)

for Depression

1 location in San Diego

Sponsor: University of California, San Diego

Sex: All·Age: 18 - 65

Code: NCT07512284·Phase 2·Recruiting

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A Prospective Study of Physical Function in Adults Who Receive Systemic Therapy for Stage I-III Gastroesophageal Cancer, FAST-GO Study

for Clinical Stage I Esophageal Adenocarcinoma AJCC v8

1 location in Los Angeles

Sponsor: Jonsson Comprehensive Cancer Center

Sex: All·Age: 18+

Code: NCT07517211·Not Yet Recruiting

A Single Dose, Phase 1 Study of JADE101 in Healthy Japanese and Chinese Participants

for Healthy Volunteers (HV)

1 location in Glendale

Sponsor: Jade Biosciences, Inc.

Sex: All·Age: 18 - 55·Accepts healthy volunteers

Code: NCT07525947·Phase 1·Recruiting

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Occlutech AFR Fontan Study

for Failure of Fontan Type Circulation

7 locations incl. Birmingham

Sponsor: Occlutech International AB

Sex: All·Age: All ages

Code: NCT07532369·Not Yet Recruiting

Effects of Accelerated rTMS on Cognitive Function

for Cognitive Decline

1 location in San Francisco

Sponsor: San Francisco Neurology and Sleep Center

Sex: All·Age: 50 - 90

Code: NCT07547319·Not Yet Recruiting

Caring for Dementia Caregivers in Ethnic Immigrant Communities

for No Disease or Condition is Being Studied

1 location in Los Angeles

Sponsor: University of Southern California

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

Code: NCT07550075·Not Yet Recruiting

Effects of Accelerated rTMS On Motor and Cognitive Function in Parkinson's Disease

for PARKINSON DISEASE (Disorder)

1 location in San Francisco

Sponsor: San Francisco Neurology and Sleep Center

Sex: All·Age: 50 - 90

Code: NCT07554833·Not Yet Recruiting

A Research Study Investigating How a New Medicine NNC0113-5840 Works in People With Overweight or Obesity

for Obesity

Drug: NNC0113-5840

1 location in Glendale

Sponsor: Novo Nordisk A/S

Sex: All·Age: 18 - 55

Code: NCT07566390·Phase 1·Recruiting

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Alternative Splicing Based Prediction of Chemotherapy Response in Gastric Cancer

for Gastric Cancer

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT07587229·Recruiting

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Molecular Profiling for Risk Stratification in Appendiceal Cancer

for Appendiceal Cancer

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT07587268·Recruiting

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Open Label Study for the Use of Low Intensity Focused Ultrasound for Essential Tremor

for Essential Tremor

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 18 - 90

Code: NCT07599592·EARLY_Phase 1·Recruiting

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Trial Comparing the Safety and Efficacy of Two Different Oral VPV Doses With Placebo as Treatment for RV in Participants With COPD

for Rhinovirus Infection

14 locations incl. Tempe

Sponsor: Altesa Biosciences, Inc.

Sex: All·Age: 40 - 85

Code: NCT07610395·Phase 2·Recruiting

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Collaboration for Down Syndrome Progress (CDP)

for Down Syndrome

16 locations incl. Orange

Sponsor: RTI International

Sex: All·Age: All ages

Code: NCT07625579·Recruiting

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Feasibility Study on the Effect of a Methionine-Reduced Diet on Serum Levels in Pts w/ Solid Tumors

for Adenocarcinoma

1 location in Orange

Sponsor: University of California, Irvine

Sex: All·Age: 18+

Code: NCT07628634·EARLY_Phase 1·Recruiting

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Panitumumab-IRDye800 to Detect Pediatric Neoplasms During Neurosurgical Procedures

for Brain Tumor

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 6 Months - 25

Code: NCT04085887·Phase 1, Phase 2·Recruiting

Apply to this trial