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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Predicate and Lay User-HCP Comparison Study of a Multi-Level Urine hCG Pregnancy Test

for Pregnancy

1 location in Los Angeles

Sponsor: Conceptra Biosciences, LLC

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

Code: NCT06516211·Not Yet Recruiting

Folate Study in Men With Advanced Prostate Cancer

for Prostate Cancer

1 location in La Jolla

Sponsor: University of California, San Diego

Sex: Male·Age: 18+

Code: NCT06536374·Phase 2·Not Yet Recruiting

TRACK-TBI Precision Medicine Part 3 - Option II

for Traumatic Brain Injury

2 locations incl. San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18 - 65

Code: NCT06790095·Phase 2·Enrolling By Invitation

Feasibility Study of a Continuous Glucose-Ketone Monitoring Device in People With Type 1 Diabetes

for Type 1 Diabetes (T1D)

1 location in Palo Alto

Sponsor: Mahla Poudineh

Sex: All·Age: 18 - 65

Code: NCT06977633·Not Yet Recruiting

An Exploratory Study of the Potential for Rational Immune System Manipulation to Prevent Emergence of Synucleinopathy Manifestations in Persons With REM Sleep Behavior Disorder (RBD)

for REM Sleep Behavior Disorder

19 locations incl. Los Angeles

Sponsor: Yale University

Sex: All·Age: 50 - 80

Code: NCT06996652·Phase 2·Not Yet Recruiting

Optimizing Proton Pump Inhibitors (PPI) Prescribing With EHR-Based Decision Support

for Prescribing Patterns, Physician

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 50+

Code: NCT06998966·Recruiting

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Exploring Acne Treatments Through Clinical Research Participation

for Acne

1 location in San Francisco

Sponsor: Power Life Sciences Inc.

Sex: All·Age: 18+

Code: NCT07010458·Not Yet Recruiting

ASTRAEA: ReinvigorAting ReSponse To ImmunotheRApy in MEtAstatic TNBC With Combination Myeloid Inhibition and Radiation

for TNBC - Triple-Negative Breast Cancer

1 location in Los Angeles

Sponsor: Stephen Shiao

Sex: All·Age: 18+

Code: NCT07015853·Phase 2·Not Yet Recruiting

A Disposable Negative Pressure Wound Therapy Device (SNaP) to Promote Wound Healing in the Lower Limbs Following Mohs Micrographic Surgery for Non-melanoma Skin Cancer

for Skin Carcinoma

1 location in Los Angeles

Sponsor: Jonsson Comprehensive Cancer Center

Sex: All·Age: 19 - 79

Code: NCT07032701·Not Yet Recruiting

Study of the Pharmacokinetics and Safety of Glecaprevir/Pibrentasvir Initiated in Pregnancy in Women With Hepatitis C With and Without HIV

for Hepatitis C

Drug: Glecaprevir/pibrentasvir

10 locations incl. Los Angeles

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

Sex: Female·Age: 16 - 45

Code: NCT07040319·Phase 1, Phase 2·Recruiting

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A Study of LY4152199 in Participants With Previously Treated B-cell Malignancies (BAF_FRontier-1 )

for Lymphoma, Non-Hodgkin

23 locations incl. Duarte

Sponsor: Eli Lilly and Company

Sex: All·Age: 18+

Code: NCT07101328·Phase 1·Not Yet Recruiting

Total Neoadjuvant Therapy With Short Course Radiation Therapy in Gastric Cancer

for Gastric Cancer

4 locations incl. Los Angeles

Sponsor: Washington University School of Medicine

Sex: All·Age: 18+

Code: NCT07101666·Phase 2·Not Yet Recruiting

IGNITE: Study of Tirabrutinib vs Rituximab/Temozolomide for Relapsed/Refractory Primary Central Nervous System Lymphoma (PCNSL)

for Relapsed/Refractory Primary Central Nervous System Lymphoma

Drug: Rituximab

14 locations incl. Phoenix

Sponsor: Ono Pharmaceutical Co., Ltd.

Sex: All·Age: 18+

Code: NCT07104032·Phase 3·Recruiting

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Using an AI Mobile Application to Promote Healthy Eating

for Healthy

1 location in Davis

Sponsor: University of California, Davis

Sex: All·Age: 18 - 24·Accepts healthy volunteers

Code: NCT07108452·Not Yet Recruiting

Diagnosing Epilepsy To EffeCT Change Long-Term Follow-Up

for Epilepsy

12 locations incl. Phoenix

Sponsor: Epiminder America, Inc.

Sex: All·Age: 18 - 75

Code: NCT07110454·Recruiting

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Reduction of Elimination of Mitral Regurgitation With the SATURN TMVR System (CASSINI-US)

for Mitral Regurgitation

5 locations incl. Los Angeles

Sponsor: InnovHeart

Sex: All·Age: 18+

Code: NCT07130994·Not Yet Recruiting

A Phase 1 AAV Gene Therapy Trial Evaluating Safety and Preliminary Efficacy of RP-A701 in Subjects With BAG3 Dilated Cardiomyopathy

for Dilated Cardiomyopathy (DCM)

3 locations incl. San Diego

Sponsor: Rocket Pharmaceuticals Inc.

Sex: All·Age: 18 - 65

Code: NCT07137338·Phase 1·Recruiting

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Automated Image-Guided Programming of Deep Brain Stimulation (DBS) for Parkinson's Disease

for Parkinson's Disease (PD)

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 21+

Code: NCT07215481·Not Yet Recruiting

A Gene Therapy Study of SPK-8011QQ in Adults With Severe or Moderately Severe Hemophilia A

for Hemophilia A

2 locations incl. Orange

Sponsor: Hoffmann-La Roche

Sex: Male·Age: 18+

Code: NCT07226206·Phase 1, Phase 2·Recruiting

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TACrolimus Targeted Immunosuppression Cessation in ALlogeneic HCT

for GVHD

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 18 - 80

Code: NCT07302776·Phase 1·Not Yet Recruiting

Early Introduction and Sustained Ingestion (EISI) Using Two Educational Opportunities in Infants

for Food Allergy

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 4 Months - 11 Months·Accepts healthy volunteers

Code: NCT07321522·Not Yet Recruiting

A US Study That Observes How Parkinson's Disease Changes Over Time in Patients Who Still Have Movement Symptoms Despite Taking Parkinson's Medications

for Parkinson's Disease

26 locations incl. Phoenix

Sponsor: Bayer

Sex: All·Age: 45 - 75

Code: NCT07330258·Recruiting

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A Study of CDX-622 in Participants With Mild to Moderate Asthma

for Mild to Moderate Asthma

4 locations incl. San Francisco

Sponsor: Celldex Therapeutics

Sex: All·Age: 18+

Code: NCT07330778·Phase 1·Recruiting

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Real-world Trial of Individualized Precision Oncology

for Metastatic Cancer

1 location in La Jolla

Sponsor: University of California, San Diego

Sex: All·Age: 18+

Code: NCT07346209·Phase 2·Not Yet Recruiting

Comparing Outpatient Treatment Retention Among Individuals Using Fentanyl Randomized to Low-dose and Direct-to-inject Buprenorphine Initiation

for Opioid Use Disorder

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT07469501·Phase 4·Not Yet Recruiting

EMS-Initiated Buprenorphine

for Opioid Use Disorder

3 locations incl. Oakland

Sponsor: Yale University

Sex: All·Age: All ages

Code: NCT07475728·Not Yet Recruiting

Study of GB-4362 With Enfortumab Vedotin and Pembrolizumab for Advanced Urothelial Cancer

for Advanced Urothelial Cancer

Drug: GB-4362

7 locations incl. Duarte

Sponsor: Generate Biomedicines

Sex: All·Age: 18+

Code: NCT07484022·Phase 1·Recruiting

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IMAGES: Identifying Metabolic Imaging Association With Genicular Artery Embolization Success

for Knee Osteoarthritis

1 location in Los Angeles

Sponsor: Lucas R. Cusumano, MD

Sex: All·Age: 40+

Code: NCT07494838·Not Yet Recruiting

Animated Storytelling to Promote Colorectal Cancer Screening

for Colorectal Cancer Screening

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 50+

Code: NCT07522177·Not Yet Recruiting

Study of RGT-490 in Patients With PIK3CA-Mutated Advanced Solid Tumors

for Breast Cancer

Drug: RGT-490

4 locations incl. Los Angeles

Sponsor: Regor Pharmaceuticals Inc.

Sex: All·Age: 18+

Code: NCT07524322·Phase 1·Recruiting

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Prospective Post Market Clinical Registry for the Zenflow Spring System - A Minimally Invasive Treatment for LUTS Associated With BPH Spring System Registry

for BPH (Benign Prostatic Hyperplasia)

2 locations incl. La Mesa

Sponsor: Zenflow, Inc.

Sex: Male·Age: 18+

Code: NCT07538622·Not Yet Recruiting

BAL/BOT/agenT-797 in pMMR CRC With Liver Metastases

for Colorectal Cancer Metastatic

1 location in La Jolla

Sponsor: Darren Sigal, MD

Sex: All·Age: 18+

Code: NCT07550088·Phase 2·Not Yet Recruiting

A Study of Weekly Oral Dose of Ecnoglutide (VRB-101) for Weight Maintenance in Participants Who Have Obesity or Overweight With Weight-Related Comorbidities

for Obesity

17 locations incl. Cullman

Sponsor: Verdiva Bio Dev Limited

Sex: All·Age: 18 - 80

Code: NCT07553299·Phase 2·Not Yet Recruiting

Cevostamab in Combination With Pomalidomide and Dexamethasone Versus Standard of Care in Participants With Previously Treated Multiple Myeloma

for Multiple Myeloma

3 locations incl. Duarte

Sponsor: Hoffmann-La Roche

Sex: All·Age: 18+

Code: NCT07555938·Phase 3·Recruiting

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Atebimetinib + GnP as a First Line Treatment in Patients With Metastatic Pancreatic Adenocarcinoma

for Pancreatic Cancer

Drug: Atebimetinib

12 locations incl. Phoenix

Sponsor: Immuneering Corporation

Sex: All·Age: 18+

Code: NCT07562152·Phase 3·Recruiting

Apply to this trial

Social Determinants of Health HCC Trial

for HCC - Hepatocellular Carcinoma

3 locations incl. Los Angeles

Sponsor: University of Southern California

Sex: All·Age: 18+

Code: NCT07568457·Not Yet Recruiting

Ultrasound for Peripheral Nerve Modulation

for Neuropathic Pain

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 18+

Code: NCT07572591·Not Yet Recruiting

Study of QUAIL-100 in Pediatric and Young Adult Participants With High-Risk Hematologic Malignancies Who Have Received a Hematopoietic Stem Cell Transplantation

for Acute Leukemia

1 location in Palo Alto

Sponsor: Laguna Biotherapeutics, Inc.

Sex: All·Age: 18 Months - 39

Code: NCT07573111·Phase 1·Not Yet Recruiting

A Post-Market Assessment of the Safety and Performance of the TriClip™ System

for Tricuspid Regurgitation (TR)

2 locations incl. La Jolla

Sponsor: Abbott Medical Devices

Sex: All·Age: 18+

Code: NCT07586995·Enrolling By Invitation

A Study to Investigate Weight Management With Macupatide and Eloralintide, Alone or in Combination, in Adult Participants With Obesity or Overweight

for Overweight

Drug: Eloralintide

40 locations incl. The Villages

Sponsor: Eli Lilly and Company

Sex: All·Age: 18 - 75

Code: NCT07589608·Phase 2·Not Yet Recruiting