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.

Filter results

State

City

Phase

Study type

Intervention

Recruitment status

Condition

Sex

Age

Healthy volunteers only

6,497 clinical trials

↓ Download CSV

PH Weighted Chemical Exchange Saturation Transfer MRI-Based Surgical Resection to Improve Survival in Patients With Glioblastoma

for Glioblastoma

1 location in Los Angeles

Sponsor: Jonsson Comprehensive Cancer Center

Sex: All·Age: 18+

Code: NCT06448286·Phase 3·Not Yet Recruiting

Crisis Interventions for Pediatric Providers - Autism Version

for Autism

1 location in Los Angeles

Sponsor: Children's Hospital Los Angeles

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

Code: NCT07508436·Not Yet Recruiting

Naloxone for Opioid Associated Out of Hospital Cardiac Arrest

for Heart Arrest, Out-Of-Hospital

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT06251609·Phase 2·Not Yet Recruiting

Antibiotics for Kidney Transplant Recipients

for Kidney Transplant

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: Up to 29

Code: NCT07106125·Phase 4·Not Yet Recruiting

Zanzalintinib and MO-03 for the Treatment of Metastatic Renal Cell Cancer After Progression on Immunotherapy

for Metastatic Clear Cell Renal Cell Carcinoma

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT07578025·Phase 2·Not Yet Recruiting

Physiatry-Led Cancer Prehabilitation During Neoadjuvant Systemic Therapy to Improve Function in Stage III-IVA Gynecologic Cancer Patients

for Malignant Female Reproductive System Neoplasm

2 locations incl. Duarte

Sponsor: City of Hope Medical Center

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

Code: NCT07608445·Not Yet Recruiting

Behavioral Optimization to Overcome Obstructive Sleep Apnea Treatment Barriers

for Sleep Apnea

2 locations incl. West Los Angeles

Sponsor: VA Office of Research and Development

Sex: All·Age: 50+

Code: NCT07207473·Not Yet Recruiting

Targeting Interferon Gamma With Emapalumab to Lung Transplant Recipients With Interferon Gamma-high Acute Lung Allograft Dysfunction

for Lung Transplant

2 locations incl. Los Angeles

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT07538336·Phase 2·Not Yet Recruiting

An Intervention to Impact Cardiovascular Implantable Electronic Device Lead Models Implanted in Veterans

for Patient Safety

1 location in San Francisco

Sponsor: VA Office of Research and Development

Sex: All·Age: All ages

Code: NCT05062434·Not Yet Recruiting

Green Tea and Quercetin in Combination With Docetaxel Chemotherapy in Castration-resistant Prostate Cancer Patients

for Metastatic Castration-resistant Prostate Cancer (mCRPC)

1 location in Los Angeles

Sponsor: Charles Drew University of Medicine and Science

Sex: Male·Age: 18+

Code: NCT06615752·Phase 1, Phase 2·Recruiting

Apply to this trial

First-in-human Study of UX016 in GNEM

for GNE Myopathy

2 locations incl. Orange

Sponsor: Ultragenyx Pharmaceutical Inc

Sex: All·Age: 18 - 55

Code: NCT07511556·Phase 1, Phase 2·Not Yet Recruiting

A Study to Evaluate the Efficacy and Safety of CBL-514 Injection for Reducing Subcutaneous Fat ( SUPREME-02 )

for Subcutaneous Fat

Drug: CBL-514

11 locations incl. Encinitas

Sponsor: Caliway Biopharmaceuticals Co., Ltd.

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

Code: NCT07526974·Phase 3·Not Yet Recruiting

A Multilevel Intervention to Prevent Noise Exposure in Farmworkers

for Noise Exposure

1 location in San Diego

Sponsor: San Diego State University

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

Code: NCT07554378·Not Yet Recruiting

Empowered Relief for Caregivers

for Chronic Pain

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 18+

Code: NCT07636980·Not Yet Recruiting

A Study to Assess Sulbactam-durlobactam in Pediatric Patients With Acinetobacter Baumannii-calcoaceticus Complex Infection

for Acinetobacter Baumannii-calcoaceticus Complex Infection (ABC)

4 locations incl. Los Angeles

Sponsor: Innoviva Specialty Therapeutics

Sex: All·Age: 1 Day - 18

Code: NCT06801223·Phase 1·Recruiting

Apply to this trial

Real-Time Acute Kidney Injury Perioperative Prediction Clinical Trial

for Acute Kidney Injury

1 location in San Francisco

Sponsor: University of California, San Francisco

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

Code: NCT07604662·Not Yet Recruiting

Testing the Safety of Anti-Cancer Drug, CX-5461 (Pidnarulex), in Treating Lymphoma With Specific Changes in the MYC Gene

for Burkitt Lymphoma

Drug: Pidnarulex

4 locations incl. Irvine

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT07069699·Phase 1, Phase 2·Recruiting

Apply to this trial

Recovery-oriented Group Therapy for Veteran Men With Military Sexual Trauma

for Sexual Trauma

1 location in West Los Angeles

Sponsor: VA Office of Research and Development

Sex: Male·Age: All ages

Code: NCT06741202·Not Yet Recruiting

LUT017 Gel for Venous Leg Ulcers and Chronic Non-Healing Skin Wounds in Adults

for Venous Leg Ulcer

1 location in Los Angeles

Sponsor: Antoni Ribas

Sex: All·Age: 18+

Code: NCT07463365·Phase 1·Not Yet Recruiting

Coordinated Access for Addiction Recovery and Equity in VA Supportive Housing

for Homelessness

1 location in West Los Angeles

Sponsor: VA Office of Research and Development

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

Code: NCT07141394·Not Yet Recruiting

Combined Circulatory and Dietary Interventions for Neuropathy

for Diabete Type 2

1 location in Loma Linda

Sponsor: Loma Linda University

Sex: All·Age: 35 - 85

Code: NCT07213843·Not Yet Recruiting

Efficacy and Safety of Aspirin and Lansoprazole for Prevention of Preterm Birth in High-Risk Pregnant Women: A Biomarker-Enriched Trial

for Pre-term Birth

1 location in Palo Alto

Sponsor: Stanford University

Sex: Female·Age: 18 - 45

Code: NCT07337655·Phase 2, Phase 3·Not Yet Recruiting

Enhancing Mental and Physical Health of Women Veterans 3.0

for Cardiovascular Diseases

1 location in West Los Angeles

Sponsor: VA Office of Research and Development

Sex: All·Age: All ages

Code: NCT07356479·Not Yet Recruiting

Comprehensive Enhanced Care Management Under CalAIM for High-Risk Medi-Cal Members

for Complex Care

1 location in Los Angeles

Sponsor: StratiHealth

Sex: All·Age: 18+

Code: NCT07587073·Not Yet Recruiting

Strain-Counterstrain Treatment of Piriformis Pain

for Low Back Pain, Mechanical

1 location in Loma Linda

Sponsor: Loma Linda University

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

Code: NCT05023005·Recruiting

Apply to this trial

Enhancing PAP Adherence Among Spanish-speaking Hispanic Adults With OSA

for Obstructive Sleep Apnea

4 locations incl. Fontana

Sponsor: Geisinger Clinic

Sex: All·Age: 18+

Code: NCT05618444·Not Yet Recruiting

Percutaneous Cryoablation of Intercostal Nerves for the Treatment of Rib Fractures

for Trauma

1 location in Loma Linda

Sponsor: Loma Linda University

Sex: All·Age: 18 - 80·Accepts healthy volunteers

Code: NCT06533904·Not Yet Recruiting

Trans STAIR: Implementing an Evidence Based Trauma Treatment With Community Led PrEP Navigation

for PrEP Uptake Experiences

1 location in Los Angeles

Sponsor: San Diego State University

Sex: All·Age: 18+

Code: NCT06724965·Not Yet Recruiting

To Investigate the Efficacy of Treatment With Oral NA-921 (Bionetide) Versus Placebo in Females With Rett Syndrome

for Rett Syndrome

14 locations incl. Phoenix

Sponsor: Biomed Industries, Inc.

Sex: Female·Age: 5 - 20

Code: NCT06840496·Phase 3·Recruiting

Apply to this trial

Smartshoes for Freezing of Gait in Parkinson's Disease

for Parkinson Disease

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 40 - 80·Accepts healthy volunteers

Code: NCT07001072·Not Yet Recruiting

Study of Serine Supplementation to Protect Vision in MacTel

for Macular Telangiectasia Type 2 (MacTel)

4 locations incl. La Jolla

Sponsor: The Lowy Medical Research Institute Limited

Sex: All·Age: 18+

Code: NCT07342439·Phase 3·Not Yet Recruiting

Smart Talk: Cannabis Awareness and Prevention Curriculum Evaluation

for Cannabis Use

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 10 - 20·Accepts healthy volunteers

Code: NCT07357454·Not Yet Recruiting

Trial of Pembrolizumab/Chemotherapy With Live Biotherapeutic Product, MO-03, in Patients With Early Stage Triple Negative Breast Cancer

for TNBC - Triple-Negative Breast Cancer

3 locations incl. Beverly Hills

Sponsor: Yuan Yuan

Sex: All·Age: 18+

Code: NCT07552181·Phase 2·Not Yet Recruiting

A Phase I/II, First-In-Human Trial to Evaluate the Safety, Tolerability, and Pharmacokinetic Activity to Prevent or Treat Neuropsychiatric Symptoms in Pediatric Subjects With Timothy Syndrome

for CACNA1C

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 2 Months+

Code: NCT07600658·Phase 1, Phase 2·Not Yet Recruiting

Evaluating the Effects of Propionate and Butyrate Supplementation on the Intestinal Health of Healthy Volunteers

for Graft Versus Host Disease

1 location in Duarte

Sponsor: City of Hope Medical Center

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

Code: NCT07611370·Phase 1·Not Yet Recruiting

Ropeginterferon Alfa-2b for the Treatment of Myelodysplastic Syndrome/Myeloproliferative Neoplasm Overlap Syndromes and Chronic Myelomonocytic Leukemia

for Atypical Chronic Myeloid Leukemia

Drug: Ropeginterferon alfa-2b

1 location in Los Angeles

Sponsor: Jonsson Comprehensive Cancer Center

Sex: All·Age: 18+

Code: NCT07468916·Phase 2·Not Yet Recruiting

Quantra QPlus in Pediatric Cardiovascular Procedures

for Blood Loss, Surgical

3 locations incl. Los Angeles

Sponsor: HemoSonics LLC

Sex: All·Age: Up to 18

Code: NCT07597278·Not Yet Recruiting

Assessing Changes in Multi-parametric MRI in Patients With Acute Demyelinating Lesions Taking Clemastine Fumarate as a Myelin Repair Therapy

for Demyelinating Diseases

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18 - 55

Code: NCT06065670·Phase 1, Phase 2·Not Yet Recruiting

A PET Imaging Agent (64Cu-DOTA-Pembrolizumab) for Determining Treatment Response Among Patients With Stage IV Non-small Cell Lung Cancer Receiving Pembrolizumab

for Metastatic Lung Non-Small Cell Carcinoma

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT07619599·Phase 1·Not Yet Recruiting

A Study of KarXT + KarX-EC for Treatment of Irritability in Children and Adolescents With Autism

for Irritability Associated With Autism Spectrum Disorder

Drug: KarXT

27 locations incl. Dothan

Sponsor: Bristol-Myers Squibb

Sex: All·Age: 5 - 17

Code: NCT07284745·Phase 3·Not Yet Recruiting