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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Women SHINE: Addressing Syndemics and HIV Among Women Through Tech-Based Peer Engagement

for HIV/AIDS

1 location in La Jolla

Sponsor: University of California, San Diego

Sex: Female·Age: 18+

Code: NCT05509959·Recruiting·Listed Aug 2022

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Parametric Response Mapping (PRM) for the Detection of Chronic Lung Injury in Hematopoietic Cell Transplant Recipients

for Chronic Lung Disease

Sites in Stanford +5 more locations

Sponsor: University of Michigan Rogel Cancer Center

Sex: All·Age: 36 Months+

Code: NCT05866302·Recruiting·Listed May 2023

Apply to this trial

Positive Peers Intervention Clinical Trial

for HIV Infections

Sites in Van Nuys +5 more locations

Sponsor: MetroHealth Medical Center

Sex: All·Age: 13 - 34

Code: NCT06388109·Recruiting·Listed Apr 2024

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A Randomized Phase II Study Of Bruton Tyrosine Kinase Inhibitor With Or Without Venetoclax In Veterans With Chronic Lymphocytic Leukemia (CLL)/Small Lymphocytic Lymphoma (SLL)

for Chronic Lymphocytic Leukemia

Drug: Venetoclax

Sites in San Francisco +3 more locations

Sponsor: VA Office of Research and Development

Sex: All·Age: 18 - 80

Code: NCT06520098·Phase 2·Recruiting·Listed Jul 2024

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Accelerated Flap Coverage in Severe Lower Extremity Trauma

for Open Tibia Fracture

Sites in Sacramento +6 more locations

Sponsor: Johns Hopkins University

Sex: All·Age: 18+

Code: NCT06293469·Recruiting·Listed Mar 2024

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Extracorporeal Photopheresis and Mogamulizumab for the Treatment of Erythrodermic Cutaneous T Cell Lymphoma

for Folliculotropic Mycosis Fungoides

Sites in Duarte +2 more locations

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT04930653·Phase 2·Recruiting·Listed Jun 2021

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Decoding and Selective Modulation of Human Memory During Awake/Sleep Cycles

for Memory, Delayed

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 18 - 65

Code: NCT05452122·Recruiting·Listed Jul 2022

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Neurophysiologic Biomarkers for Cognitive Rehabilitation

for Schizophrenia Spectrum Disorders

1 location in San Diego

Sponsor: VA Office of Research and Development

Sex: All·Age: 18 - 75·Accepts healthy volunteers

Code: NCT05945602·Recruiting·Listed Jul 2023

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Biologic Association Between Metabolic Magnetic Resonance-positron Emission Tomograph (MR-PET) and Tissue Measures of Glycolysis in Brain Tumors of Infiltrating Glioblastoma Cells

for Glioblastoma Multiforme

1 location in Los Angeles

Sponsor: Jonsson Comprehensive Cancer Center

Sex: All·Age: 18+

Code: NCT06059690·Phase 1, Phase 2·Recruiting·Listed Sep 2023

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Feasibility of Cell-Free DNA Liquid Biopsy in Screening High-Risk Patients for Lung Cancer

for Lung Carcinoma

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 50 - 80·Accepts healthy volunteers

Code: NCT05384769·Recruiting·Listed May 2022

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Multi-antigen CMV-Modified Vaccinia Ankara Vaccine in Treating Pediatric Patients With Positive Cytomegalovirus Undergoing Donor Stem Cell Transplant

for Cytomegaloviral Infection

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 1 - 21

Code: NCT03354728·Phase 1, Phase 2·Recruiting·Listed Nov 2017

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Bright White Light Therapy in Reducing Cancer-Related Fatigue and Depression in Advanced Prostate Cancer Patients Undergoing Treatment With ADT Combination Therapy

for Advanced Prostate Carcinoma

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: Male·Age: 60+

Code: NCT05869682·Phase 2·Recruiting·Listed May 2023

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Telemedicine for Improvement of Care for Older Adults With Cancer in the Underserved Community, The GAIN-S Trial

for Hematopoietic and Lymphoid System Neoplasm

Sites in Duarte, Lancaster & Upland

Sponsor: City of Hope Medical Center

Sex: All·Age: 65+

Code: NCT06022965·Recruiting·Listed Sep 2023

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Geriatric Assessment Guided Interventions to Accelerate Functional Recovery After CAR-T Therapy for Patients 60 Years and Older With B-cell Non-Hodgkin Lymphoma or Multiple Myeloma, GOCART Study

for B-Cell Non-Hodgkin Lymphoma

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 60+

Code: NCT06052826·Phase 2·Recruiting·Listed Sep 2023

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Stereotactic Body Radiation Therapy and FES PET/CT Imaging for the Treatment of Oligoprogressive Estrogen Receptor Positive Metastatic Breast Cancer

for Anatomic Stage IV Breast Cancer AJCC v8

Sites in Duarte & Irvine

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT06260033·Phase 2·Recruiting·Listed Feb 2024

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Targeted Realtime Assessment of Chronic Pain in Youth

for Chronic Pain

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 14 - 24

Code: NCT06867757·Recruiting·Listed Mar 2025

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SMART Therapist Training: A Hybrid Factorial-SMART Design

for Stress Disorders, Post-Traumatic

Sites in Palo Alto +3 more locations

Sponsor: VA Office of Research and Development

Sex: All·Age: 18+

Code: NCT07010770·Recruiting·Listed Jun 2025

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Hair Biomarkers Study

for Healthy

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 6 Months - 24 Months·Accepts healthy volunteers

Code: NCT07011082·Recruiting·Listed Jun 2025

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Empathy Through Pain Control: Lidocaine Paracervical Block for IUD Placements

for Contraception

1 location in La Jolla

Sponsor: University of California, San Diego

Sex: Female·Age: 18 - 50·Accepts healthy volunteers

Code: NCT06960317·Recruiting·Listed May 2025

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A Prospective, US-based Study Assessing Mogamulizumab-associated Rash in Patients Diagnosed With Mycosis Fungoides or Sezary Syndrome and Treated With Standard of Care Mogamulizumab

for Recurrent Mycosis Fungoides

Sites in Palo Alto, Duarte +8 more locations

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT07003100·Recruiting·Listed Jun 2025

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Cord Clamping Among Neonates With Congenital Heart Disease

for Congenital Heart Disease (CHD)

Sites in Los Angeles, San Diego +16 more locations

Sponsor: Carl Backes, MD

Sex: All·Age: 37 Weeks - 42 Weeks

Code: NCT06153459·Recruiting·Listed Dec 2023

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Denosumab for Type 1 Diabetes

for Type 1 Diabetes

Sites in Duarte +2 more locations

Sponsor: City of Hope Medical Center

Sex: All·Age: 18 - 50

Code: NCT06524960·Phase 1, Phase 2·Recruiting·Listed Jul 2024

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A-LiNK: Improving Outcomes in Autoimmune Liver Disease

for Autoimmune Hepatitis

Sites in Palo Alto +7 more locations

Sponsor: Children's Hospital Medical Center, Cincinnati

Sex: All·Age: All ages

Code: NCT05750498·Recruiting·Listed Mar 2023

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d-Limonene +Radiation +PlatinumBasedChemo for Xerostomia Prevention in LocallyAdvanced HNSCC

for Xerostomia

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 18+

Code: NCT04392622·Phase 1·Recruiting·Listed May 2020

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Building Resilience at Schools: Emotional and Biological Assessment and Treatment of Traumatic Stress

for Post Traumatic Stress Disorder

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 11 - 17·Accepts healthy volunteers

Code: NCT05701111·Recruiting·Listed Jan 2023

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Sleep Architecture & Cognition in Focal Epilepsy

for Focal Epilepsy

1 location in Sacramento

Sponsor: University of California, Davis

Sex: All·Age: 18 - 40

Code: NCT05794295·Recruiting·Listed Apr 2023

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Prostate Cancer IMAGing IN Early Detection (IMAGINED Trial)

for Prostate Cancer

1 location in La Jolla

Sponsor: University of California, San Diego

Sex: Male·Age: All ages

Code: NCT05882253·Recruiting·Listed May 2023

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Comparing SingLe- Vs Multi-Fraction Spine STereotActic Radiosurgery in Spinal Metastases

for Spinal Metastases

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 18+

Code: NCT06173401·Phase 3·Recruiting·Listed Dec 2023

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GOLD: Brief Intervention to Reduce Anxiety and Promote Resilience in Families of Youth With Cancer

for Cancer

1 location in San Francisco

Sponsor: Stanford University

Sex: All·Age: 8 - 18

Code: NCT05415007·Recruiting·Listed Jun 2022

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An Investigational Scan (Me-4FDG PET/CT) for the Detection of Sodium-Glucose Transport for Early Diagnosis of Lung Cancer

for Lung Adenocarcinoma

1 location in Los Angeles

Sponsor: Jonsson Comprehensive Cancer Center

Sex: All·Age: 18+

Code: NCT05558904·Phase 1, Phase 2·Recruiting·Listed Sep 2022

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Evidence-Based Quality Improvement to Reduce VA Primary Care Burnout

for Burnout

Sites in Los Angeles, Long Beach +3 more locations

Sponsor: VA Greater Los Angeles Healthcare System

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

Code: NCT07031245·Recruiting·Listed Jun 2025

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Myeloablative Conditioning, Prophylactic Defibrotide and Haplo AlloSCT for Patients With Sickle Cell Disease

for Sickle Cell Disease

Sites in Los Angeles +3 more locations

Sponsor: New York Medical College

Sex: All·Age: 6 Months - 34

Code: NCT02675959·Phase 2·Recruiting·Listed Feb 2016

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The Effects of Energy Healing in Fibromyalgia

for Fibromyalgia

1 location in Irvine

Sponsor: University of California, Irvine

Sex: Female·Age: 18 - 75·Accepts healthy volunteers

Code: NCT06552728·Recruiting·Listed Aug 2024

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Clinical Trial to Evaluate the Safety and Immunogenicity of a Priming Regimen of 426c.Mod.Core-C4b Followed by HxB2.WT.Core-C4b Boosts, Both Adjuvanted With 3M-052 AF + Alum, in Adult Participants Without HIV and in Overall Good Health

for HIV

Sites in San Francisco +4 more locations

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

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

Code: NCT06796686·Phase 1·Recruiting·Listed Jan 2025

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Promoting Physical Activity and Fitness Among Underserved Latino Families Living in U.S.-Mexico Border Regions

for Obesity Prevention

1 location in San Diego

Sponsor: San Diego State University

Sex: All·Age: 6+·Accepts healthy volunteers

Code: NCT06596902·Recruiting·Listed Sep 2024

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Efficacy of mHealth Apps for Health in a Low-income, Type II Diabetic, Hispanic Population

for Diabetes Mellitus, Type 2

1 location in San Diego

Sponsor: San Diego State University

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

Code: NCT05279729·Recruiting·Listed Mar 2022

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Efficacy of Using Mobile Health Applications for Health

for Diabetes Mellitus, Type 2

1 location in San Diego

Sponsor: San Diego State University

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

Code: NCT05589155·Recruiting·Listed Oct 2022

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Exploring, Predicting, and Intervening on Long-term Viral Suppression Electronically

for HIV Infections

1 location in Los Angeles

Sponsor: University of California, Los Angeles

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

Code: NCT06370780·Recruiting·Listed Apr 2024

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Unconscious Reduction of Fear Through Decoded Neuro-Reinforcement

for Phobia

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 18 - 65

Code: NCT06420557·Recruiting·Listed May 2024

Apply to this trial

Stroke Recovery Initiative - Registry for Stroke Research Studies

for Stroke

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT03318432·Recruiting·Listed Oct 2017

Apply to this trial