Paid Clinical Trials in California

California has 6,520 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 19, 2026.

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6,520 clinical trials

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Image-guided, Tumor-focused Radiotherapy Treatment in Intermediate and High-risk Prostate Cancer

for Prostate Cancer

1 location in La Jolla

Sponsor: University of California, San Diego

Sex: Male·Age: 18+

Code: NCT06990542·Phase 2·Recruiting

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A Study to Investigate Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of AZD4248 in Healthy Participants and Participants With Chronic Kidney Disease and Type 2 Diabetes and to Assess Home Measurements of Creatinine in a Non Interventional Cohort

for Chronic Kidney Disease

5 locations incl. Glendale

Sponsor: AstraZeneca

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

Code: NCT07024823·Phase 1·Recruiting

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In-Person Recruitment of Individuals to the Alzheimer's Prevention Trial (APT) Webstudy

for Memory Decline

1 location in Chula Vista

Sponsor: University of Southern California

Sex: All·Age: 50+·Accepts healthy volunteers

Code: NCT07218120·Recruiting

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Post-operative Radiotherapy Omission in Selected Patients With Early Breast Cancer Trial International VErsion (PROSPECTIVE)

for Breast Cancer

2 locations incl. San Francisco

Sponsor: Breast Cancer Trials, Australia and New Zealand

Sex: Female·Age: 50+

Code: NCT06445738·Recruiting

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HLA Demographics Study in Adults With Type 1 Diabetes

for Diabetes Mellitus, Type I

5 locations incl. San Francisco

Sponsor: GentiBio, Inc

Sex: All·Age: 18 - 55

Code: NCT06860516·Recruiting

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XL092 for the Treatment of Locally Advanced or Metastatic Radioiodine Refractory Differentiated Thyroid Cancer

for Locally Advanced Differentiated Thyroid Gland Carcinoma

2 locations incl. Torrance

Sponsor: Northwestern University

Sex: All·Age: 18+

Code: NCT06959641·Phase 2·Recruiting

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A Study to Investigate Safety, Tolerability, Pharmacokinetics, Pharmacodynamics and Immunogenicity of AZD1613 in Healthy Participants.

for Healthy

1 location in Glendale

Sponsor: AstraZeneca

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

Code: NCT06995820·Phase 1·Recruiting

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The Effect of Erector Spinae Plane Block (ESPB) on Pediatric Pain Management Following Posterior Spinal Fusion (PSF) Surgery

for Adolescent Idiopathic Scoliosis (AIS)

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 10 - 18

Code: NCT07561827·Phase 3·Recruiting

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Testing the Addition of the Anti-cancer Drug Venetoclax and/or the Anti-cancer Immunotherapy Blinatumomab to the Usual Chemotherapy Treatment for Infants With Newly Diagnosed KMT2A-rearranged or KMT2A-non-rearranged Leukemia

for Acute Leukemia of Ambiguous Lineage

Drug: Venetoclax

112 locations incl. Birmingham

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: Up to 365 Days

Code: NCT06317662·Phase 2·Recruiting

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Talquetamab & Lenalidomide as Post Stem Cell Transplant Maintenance in Multiple Myeloma

for Multiple Myeloma

Drug: Talquetamab

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 19+

Code: NCT06461988·Phase 2·Recruiting

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Ketamine Effects on Learning In Eating Disorders

for Anorexia Nervosa

1 location in San Francisco

Sponsor: Amanda Downey, MD

Sex: All·Age: 16 - 26

Code: NCT06736769·Phase 2·Enrolling By Invitation

A Study of Momelotinib in Participants With Low-risk Myelodysplastic Syndrome

for Myelodysplastic Syndromes

6 locations incl. Goodyear

Sponsor: GlaxoSmithKline

Sex: All·Age: 18+

Code: NCT06847867·Phase 2·Recruiting

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A Study to Test Whether BI 1815368 Helps People With an Eye Condition Called Diabetic Macular Edema

for Macular Edema

23 locations incl. Arcadia

Sponsor: Boehringer Ingelheim

Sex: All·Age: 18+

Code: NCT06962839·Phase 2·Recruiting

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High-dose Prophylactic Gabapentin (HOPE) vs. Placebo to Prevent Opioid Use for Oral Mucositis Pain During Concurrent Chemoradiation for Head and Neck Cancer

for Head and Neck Squamous Cell Carcinoma

200 locations incl. Gilbert

Sponsor: Alliance for Clinical Trials in Oncology

Sex: All·Age: 18+

Code: NCT06992427·Phase 3·Recruiting

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A Safety and Immunogenicity Study of CHIKV VLP Vaccine in Children.

for Chikungunya Virus

8 locations incl. Fountain Valley

Sponsor: Bavarian Nordic

Sex: All·Age: 1 - 11·Accepts healthy volunteers

Code: NCT07003984·Phase 3·Recruiting

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Prospective External Control Cohort In Patients With Newly Diagnosed Advanced or Metastatic EGFR Mutant Non-Small Cell Lung Cancer

for Non Small Cell Lung Cancer

8 locations incl. Monterey

Sponsor: N-Power Medicine

Sex: All·Age: 18+

Code: NCT07028489·Recruiting

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Demonstrating the Efficacy of a Spanish-Language Program for Latino Dementia Caregivers

for Caregiver Burden of People With Dementia

1 location in Los Angeles

Sponsor: University of Southern California

Sex: All·Age: 18 - 100·Accepts healthy volunteers

Code: NCT06747637·Recruiting

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A Study of Bleximenib, Venetoclax and Azacitidine For Treatment of Participants With Newly Diagnosed Acute Myeloid Leukemia (AML)

for Leukemia, Myeloid, Acute

Drug: Venetoclax

50 locations incl. Birmingham

Sponsor: Janssen Research & Development, LLC

Sex: All·Age: 18+

Code: NCT06852222·Phase 3·Recruiting

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A Double-blind Study Evaluating the Efficacy, Safety, and Tolerability of Zorevunersen in Patients With Dravet Syndrome

for Dravet Syndrome

Drug: zorevunersen

31 locations incl. Phoenix

Sponsor: Stoke Therapeutics, Inc

Sex: All·Age: 2 - 17

Code: NCT06872125·Phase 3·Recruiting

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Study to Evaluate Sepofarsen in Subjects With Leber Congenital Amaurosis (LCA) Type 10 (HYPERION)

for Leber Congenital Amaurosis 10

5 locations incl. San Francisco

Sponsor: Laboratoires Thea

Sex: All·Age: 6+

Code: NCT06891443·Phase 3·Recruiting

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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

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The Mechanism Versus PPI Trial

for Laryngopharyngeal Reflux

1 location in San Deigo

Sponsor: University of California, San Diego

Sex: All·Age: 18 - 89

Code: NCT06999577·Phase 4·Recruiting

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A Phase III Study of AZD0780 on Major Adverse CV Events in Patients With a History of ASCVD Events or at High Risk for a First Event

for Cardiovascular Disease

315 locations incl. Athens

Sponsor: AstraZeneca

Sex: All·Age: 18+

Code: NCT07000357·Phase 3·Recruiting

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A Study to Investigate the Effect of AZD6234, AZD9550, and a Combination of AZD9550 and AZD6234 on Pharmacokinetics of Combined Oral Contraceptive Ethinyl Estradiol/Levonorgestrel in Healthy Female Participants Living With Overweight or Obesity

for Healthy Participants

2 locations incl. Glendale

Sponsor: AstraZeneca

Sex: Female·Age: 35 - 75·Accepts healthy volunteers

Code: NCT07013643·Phase 1·Recruiting

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AVENTINE-1: Study of AVZO-1418 as a Single Agent and in Combination Therapy in Patients With Locally Advanced or Metastatic Solid Tumors (AVZO-1418-1001)

for Solid Tumor Cancer

18 locations incl. Gilbert

Sponsor: Avenzo Therapeutics, Inc.

Sex: All·Age: 18 - 75

Code: NCT07038343·Phase 1, Phase 2·Recruiting

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Trial for Reliability of Urodynamics SysTem

for Urologic Diseases

4 locations incl. Murrieta

Sponsor: Bright Uro

Sex: Female·Age: 18+

Code: NCT05694793·Recruiting

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Repeat Ablation of Persistent Atrial Fibrillation, Including Mitral Isthmus Catheter Ablation, With the FARAPULSE Pulsed Field Ablation System

for Persistent Atrial Fibrillation

32 locations incl. Mobile

Sponsor: Boston Scientific Corporation

Sex: All·Age: 18+

Code: NCT06735534·Recruiting

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Testing the Addition of the Immunotherapy Drug, Pembrolizumab, to Radiation Therapy Compared to the Usual Chemotherapy Treatment During Radiation Therapy for Bladder Cancer, PARRC Trial

for Non-Muscle Invasive Bladder Urothelial Carcinoma

132 locations incl. Fayetteville

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT06770582·Phase 2·Recruiting

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A Study to Investigate Efficacy and Safety of SAR442970 in Patients With Crohn's Disease

for Crohn's Disease

20 locations incl. Tucson

Sponsor: Sanofi

Sex: All·Age: 18 - 75

Code: NCT06958536·Phase 2·Recruiting

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Telehealth vs In-Person Evaluation of Addiction Treatment After Visiting the Emergency Department

for Opioid Use Disorder

3 locations incl. El Centro

Sponsor: University of California, Davis

Sex: All·Age: 18+

Code: NCT06961058·Recruiting

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Phase II Trial Comparison of 3 vs 4 Fractions (BRACHY-FIT).

for Cervical Cancers

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 18+

Code: NCT07022470·Phase 2·Recruiting

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Prevention of Ototoxicity in NTM Patients Treated With IV Amikacin

for Ototoxicity, Drug-Induced

7 locations incl. San Francisco

Sponsor: Kevin Winthrop

Sex: All·Age: 18 - 80

Code: NCT05730283·Phase 2·Recruiting

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Post-Market Celect Platinum Vena Cava Filter and Gunther Tulip Retrieval Set Study

for Deep Vein Thrombosis

1 location in Los Angeles

Sponsor: Cook Research Incorporated

Sex: All·Age: 18+

Code: NCT05881798·Recruiting

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Vancomycin Reduction Practices (VRP) in the NICU

for Antibiotic Stewardship

13 locations incl. Modesto

Sponsor: Children's Hospital of Philadelphia

Sex: All·Age: 18+

Code: NCT06772675·Recruiting

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Pivotal, Clinical Study for the Accuracy Evaluation of the IdentiClone Dx TRG Assay

for T-Cell Lymphoproliferative Disorder

1 location in San Diego

Sponsor: Invivoscribe, Inc.

Sex: All·Age: 18+

Code: NCT06876571·Not Yet Recruiting

Optimization of Chrononutrition to Reduce the Risk of Disease in Shift Workers

for Night Shift Work

1 location in La Jolla

Sponsor: Salk Institute for Biological Studies

Sex: All·Age: 18 - 70

Code: NCT06891352·Recruiting

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PET [89Zr]DFO-starPEG in Solid Tumors

for Solid Tumor

1 location in San Francisco

Sponsor: Robert Flavell, MD, PhD

Sex: All·Age: 18+

Code: NCT06894745·Phase 1·Recruiting

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DFT383 in Pediatric Participants With Nephropathic Cystinosis

for Nephropathic Cystinosis

4 locations incl. San Diego

Sponsor: Novartis Pharmaceuticals

Sex: All·Age: 2 - 5

Code: NCT06910813·Phase 1, Phase 2·Recruiting

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Treatment Decision-Making Among Patients With Chronic Rhinosinusitis

for Chronic Rhinosinusitis (CRS)

1 location in Arcadia

Sponsor: University of Southern California

Sex: All·Age: 18+

Code: NCT07010679·Enrolling By Invitation

TIDES 2.0: Prevalence and Longitudinal Course of Depression, Anxiety, and Behavior Problems in Children With Cystic Fibrosis Under 12 Years of Age

for Cystic Fibrosis (CF)

13 locations incl. Orange

Sponsor: State University of New York at Buffalo

Sex: All·Age: 18 Months - 11

Code: NCT07048574·Recruiting

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