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.

Filter results

Filter results

State

City

Recruitment status

Phase

Study type

Intervention

Condition

Sex

Age

Healthy volunteers only

5,286 clinical trials

↓ Download CSV

Using VirtuaCareTM Platform for Home Programs in Acute and Chronic Shoulder Conditions: A Pilot Study

for Shoulder Disease

2 locations in Los Angeles

Sponsor: Cedars-Sinai Medical Center

Sex: All·Age: 18+

Code: NCT06016257·Recruiting·Listed Aug 2023

Apply to this trial

Curcumin to Improve Inflammation and Symptoms in Patients With Clonal Cytopenia of Undetermined Significance, Low Risk Myelodysplastic Syndrome, and Myeloproliferative Neoplasms

for Clonal Cytopenia of Undetermined Significance

2 locations in Los Angeles

Sponsor: University of Southern California

Sex: All·Age: 18+

Code: NCT06063486·Phase 2·Recruiting·Listed Oct 2023

Apply to this trial

Fecal Microbiome Transplant to Remodel Intestinal Microbiota for Patients With Relapsed or Refractory Lymphoma With Exposure to High-Risk Antibiotics Who Are Receiving Chimeric Antigen Receptor T Cells

for Recurrent Diffuse Large B-Cell Lymphoma

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT07042438·Phase 2·Recruiting·Listed Jun 2025

Apply to this trial

Efficacy of OneMark Device in Identifying Breast Cancer for Surgery and Surveillance

for Breast Cancer

1 location in La Jolla

Sponsor: University of California, San Diego

Sex: All·Age: 18+

Code: NCT07087691·Recruiting·Listed Jul 2025

Apply to this trial

This Study is to Evaluate Whether Receiving Education and Glucose Monitoring With the CGM Device Will Improve Patient-reported Outcomes by Improving Patient's Satisfaction and Quality of Life (QOL) With Glucose Monitoring Device

for Diabetes Mellitus

1 location in Los Angeles

Sponsor: Cedars-Sinai Medical Center

Sex: All·Age: 18+

Code: NCT06965803·Recruiting·Listed May 2025

Apply to this trial

Pilot Study of RR-HNK in OCD

for Obsessive-Compulsive Disorder

1 location in Palo Alto

Sponsor: Carolyn Rodriguez

Sex: All·Age: 18 - 65

Code: NCT06575075·Phase 1, Phase 2·Recruiting·Listed Aug 2024

Apply to this trial

Food FARMacia: Reducing Childhood Obesity in Households With Food Insecurity

for Nutrition, Healthy

Sites in Stanford +1 more location

Sponsor: Stanford University

Sex: All·Age: 6 Months+

Code: NCT06051591·Recruiting·Listed Sep 2023

Apply to this trial

Telephone-based Physical Activity Coaching or Self Monitored Physical Activity to Improve Physical Function in Older Adults Who Are Undergoing Surgery for Lung Cancer and Their Caregivers

for Lung Carcinoma

Sites in Duarte, Stanford +14 more locations

Sponsor: City of Hope Medical Center

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

Code: NCT06196008·Recruiting·Listed Jan 2024

Apply to this trial

A Multi-Institution Study of TGFβ Imprinted, Ex Vivo Expanded Universal Donor NK Cell Infusions as Adoptive Immunotherapy in Combination With Gemcitabine and Docetaxel in Patients With Relapsed or Refractory Pediatric Bone and Soft Tissue

for Pediatric Sarcoma, Refractory

Sites in Los Angeles, Palo Alto +20 more locations

Sponsor: Nationwide Children's Hospital

Sex: All·Age: 2 - 40

Code: NCT05634369·Phase 1, Phase 2·Recruiting·Listed Dec 2022

Apply to this trial

Spaced Transcranial Direct Current Stimulation for Treatment-Resistant Depression: A Home-Based Feasibility and Safety Study

for Treatment Resistant Depression (TRD)

1 location in San Diego

Sponsor: University of California, San Diego

Sex: All·Age: 18 - 85

Code: NCT07217223·Recruiting·Listed Oct 2025

Apply to this trial

Biospecimen Collection to Identify Gene Mutations for High Risk Pancreatic Cancer in Pediatric Patients, INSPPIRE 2 Study

for Chronic Pancreatitis

Sites in Los Angeles, Palo Alto +20 more locations

Sponsor: M.D. Anderson Cancer Center

Sex: All·Age: Up to 17

Code: NCT06651580·Recruiting·Listed Oct 2024

Apply to this trial

Diabetes RElated to Acute Pancreatitis and Its Mechanisms: Metabolic Outcomes Using Novel CGM Metrics

for Acute Pancreatitis

Sites in Los Angeles, Stanford +11 more locations

Sponsor: Milton S. Hershey Medical Center

Sex: All·Age: 18 - 75

Code: NCT06401577·Recruiting·Listed May 2024

Apply to this trial

Acalabrutinib, Venetoclax and Durvalumab for the Treatment of Richter Transformation From Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma

for Chronic Lymphocytic Leukemia

Drug: Durvalumab

Sites in Palo Alto +1 more location

Sponsor: Mayo Clinic

Sex: All·Age: 18+

Code: NCT05388006·Phase 2·Recruiting·Listed May 2022

Apply to this trial

Project SOAR (Speaking Our African American Realities) Awakenings for Black American Women Diagnosed With Breast Cancer

for Breast Cancer

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: Female·Age: 18+

Code: NCT07208084·Recruiting·Listed Oct 2025

Apply to this trial

Developing an Innovative Decision Support Tool for Pediatric Neuromuscular Scoliosis

for Children With Medical Complexity (CMC)

Sites in Los Angeles +1 more location

Sponsor: University of Utah

Sex: All·Age: 8+

Code: NCT07167927·Recruiting·Listed Sep 2025

Apply to this trial

Dichoptic Treatment for Amblyopia in Children 8 to 12 Years of Age

for Amblyopia

Sites in San Francisco, Palo Alto +56 more locations

Sponsor: Jaeb Center for Health Research

Sex: All·Age: 8 - 12

Code: NCT06524882·Phase 3·Recruiting·Listed Jul 2024

Apply to this trial

Hemorrhoidal Artery Embolization: Longitudinal Impact On Symptoms (HELIOS)

for Internal Hemorrhoids

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 18 - 90

Code: NCT07179601·Recruiting·Listed Sep 2025

Apply to this trial

Sotagliflozin to Slow Kidney Function Decline in Persons With Type 1 Diabetes and Diabetic Kidney Disease

for Diabetic Nephropathies

Drug: Sotagliflozin

Sites in Stanford +12 more locations

Sponsor: Alessandro Doria

Sex: All·Age: 18 - 75

Code: NCT06217302·Phase 3·Recruiting·Listed Jan 2024

Apply to this trial

JUPITER 4.0 - Risk Factors for Failure of Isolated Medial Patellofemoral Ligament Reconstruction

for Patellar Dislocation, Recurrent

Sites in Redwood City +15 more locations

Sponsor: Hospital for Special Surgery, New York

Sex: All·Age: 10 - 35

Code: NCT06883396·Recruiting·Listed Mar 2025

Apply to this trial

Stroke Thrombectomy and Aneurysm Registry

for Stroke

Sites in Loma Linda, Santa Barbara +52 more locations

Sponsor: Medical University of South Carolina

Sex: All·Age: 1 - 120

Code: NCT04994756·Recruiting·Listed Aug 2021

Apply to this trial

Non-invasive Vagal Nerve Stimulation as Novel Treatment to Improve Functional Outcomes in Veterans With Alcohol Use Disorder

for Alcohol Use Disorder

1 location in San Diego

Sponsor: VA Office of Research and Development

Sex: All·Age: 21 - 65

Code: NCT06399653·Recruiting·Listed May 2024

Apply to this trial

Pituitary Tumor Surveillance: Pathogenic Correlation

for Pituitary Tumor

1 location in Los Angeles

Sponsor: Cedars-Sinai Medical Center

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

Code: NCT00599092·Recruiting·Listed Jan 2008

Apply to this trial

Clinical Outcomes of the Endoscopic Resection of Premalignant and Malignant Gastrointestinal Lesions

for Gastrointestinal Neoplasms

1 location in San Francisco

Sponsor: California Pacific Medical Center Research Institute

Sex: All·Age: 18+

Code: NCT01750619·Recruiting·Listed Dec 2012

Apply to this trial

CANF-Comb-II PET-MR in Atherosclerosis Multisite

for Carotid Atherosclerosis

Sites in Los Angeles +1 more location

Sponsor: Washington University School of Medicine

Sex: All·Age: 18+

Code: NCT05838547·Recruiting·Listed May 2023

Apply to this trial

Assessment of Biomarker-Guided CNI Substitution In Kidney Transplantation

for Kidney Transplant

Sites in Los Angeles +14 more locations

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

Sex: All·Age: 18 - 70

Code: NCT05917522·Phase 2·Recruiting·Listed Jun 2023

Apply to this trial

The APS Phenotyping Study

for ARDS

Sites in San Francisco, Palo Alto +18 more locations

Sponsor: Vanderbilt University Medical Center

Sex: All·Age: 18+

Code: NCT06521502·Recruiting·Listed Jul 2024

Apply to this trial

Dupilumab in the Treatment of Pediatric Alopecia Areata

for Alopecia Areata

Drug: Dupilumab

Sites in San Diego, Irvine +3 more locations

Sponsor: Icahn School of Medicine at Mount Sinai

Sex: All·Age: 6 - 17

Code: NCT05866562·Phase 2·Recruiting·Listed May 2023

Apply to this trial

Pacritinib in Combination With a BTK Inhibitor for the Treatment of Patients With Relapsed or Refractory Mantle Cell Lymphoma

for Recurrent Mantle Cell Lymphoma

Drug: Pacritinib

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT06675123·Phase 1·Recruiting·Listed Nov 2024

Apply to this trial

A Prospective Clinical Study to Evaluate the Effectiveness and Safety of Xcell Amnio MatrixTM (XAM) in the Management of Chronic Non-healing DFUs

for Diabetic Foot Ulcer (DFU)

Sites in San Diego, Fresno +1 more location

Sponsor: New Horizon Medical Solutions

Sex: All·Age: 18+

Code: NCT07116174·Recruiting·Listed Aug 2025

Apply to this trial

A Phase I/II Study of Trametinib and Azacitidine for Patients With Newly Diagnosed Juvenile Myelomonocytic Leukemia

for Leukemia, Juvenile Myelomonocytic

Drug: Trametinib

Sites in Los Angeles, San Francisco +17 more locations

Sponsor: Therapeutic Advances in Childhood Leukemia Consortium

Sex: All·Age: 1 Month - 21

Code: NCT05849662·Phase 1, Phase 2·Recruiting·Listed May 2023

Apply to this trial

Asparaginase Erwinia Chrysanthemi With Chemotherapy for the Treatment of High-Risk Adults With Newly Diagnosed Acute Lymphoblastic Leukemia or Lymphoblastic Lymphoma

for B Acute Lymphoblastic Leukemia, Philadelphia Chromosome Negative

Sites in Los Angeles, La Jolla +6 more locations

Sponsor: City of Hope Medical Center

Sex: All·Age: 18 - 54

Code: NCT06918431·Phase 2·Recruiting·Listed Apr 2025

Apply to this trial

SBRT Boost for Unfavorable Prostate Cancer'

for Prostate Cancer

Sites in Long Beach, Fountain Valley & Laguna Hills

Sponsor: MemorialCare Health System

Sex: Male·Age: 18+

Code: NCT02016248·Recruiting·Listed Dec 2013

Apply to this trial

Clinical Trial of Upfront Haploidentical or Unrelated Donor BMT to Restore Normal Hematopoiesis in Aplastic Anemia

for Severe Aplastic Anemia

Sites in Los Angeles, Duarte +23 more locations

Sponsor: Medical College of Wisconsin

Sex: All·Age: 3 - 75

Code: NCT06517641·Phase 2·Recruiting·Listed Jul 2024

Apply to this trial

Radiographic and Clinical Evaluation of Surgical Treatment for Cervical Deformity: A Multi-Center Study 2.0

for Cervical Deformity

Sites in San Francisco, La Jolla +11 more locations

Sponsor: International Spine Study Group Foundation

Sex: All·Age: 18+

Code: NCT04194996·Recruiting·Listed Dec 2019

Apply to this trial

Prophylaxis With Direct-acting Antivirals for Kidney Transplantation From HCV-Infected Donors to Uninfected Recipients

for HCV

Sites in La Jolla, Loma Linda +6 more locations

Sponsor: Johns Hopkins University

Sex: All·Age: 18+

Code: NCT05653232·Recruiting·Listed Dec 2022

Apply to this trial

Study Comparing Local/ MAC Anesthesia in Lumbar Decompression

for Lumbar Spinal Stenosis

2 locations in Redwood City

Sponsor: Stanford University

Sex: All·Age: 40 - 95

Code: NCT04992572·EARLY_Phase 1·Recruiting·Listed Aug 2021

Apply to this trial

Closed Loop and Education for Hypoglycemia Awareness Restoration

for Diabetes Mellitus, Type 1

Sites in La Jolla +4 more locations

Sponsor: Milton S. Hershey Medical Center

Sex: All·Age: 18 - 75

Code: NCT06325202·Recruiting·Listed Mar 2024

Apply to this trial

Subscapularis Repair Augmentation for Total Shoulder Arthroplasty

for Shoulder Injuries

1 location in Redwood City

Sponsor: Stanford University

Sex: All·Age: 18+

Code: NCT05487677·Recruiting·Listed Aug 2022

Apply to this trial

Nasal Steroids, Irrigation, Oral Antibiotics, and Subgroup Targeting for Effective Management of Acute Sinusitis

for Sinus Infection

Sites in Los Angeles +6 more locations

Sponsor: Daniel Merenstein

Sex: All·Age: 18 - 75

Code: NCT06076304·Phase 4·Recruiting·Listed Oct 2023

Apply to this trial

Early Feeds in Gastroschisis

for Gastroschisis

Sites in Los Angeles & Sacramento

Sponsor: University of California, Davis

Sex: All·Age: 0 Days - 1

Code: NCT06878950·Recruiting·Listed Mar 2025

Apply to this trial