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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VR Therapies for IBD

for Inflammatory Bowel Disease (IBD)

2 locations incl. Los Angeles

Sponsor: Brennan Spiegel

Sex: All·Age: 18+

Code: NCT07590518·Not Yet Recruiting

Active vs. Passive VR During Office-based ENT Procedures

for Pain

1 location in Los Angeles

Sponsor: Cedars-Sinai Medical Center

Sex: All·Age: 18+

Code: NCT07599826·Not Yet Recruiting

Efficacy of Written Versus Video Patient Education Materials for Postmastectomy Breast Reconstruction

for Breast Surgery

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT07602374·Not Yet Recruiting

Feasibility Study of a Remote Behavioral Dietary Intervention in Patients With Early to Intermediate AMD: Glucose Lowering for Vision Extension

for Age-Related Macular Degeneration

1 location in Los Angeles

Sponsor: Stanford University

Sex: All·Age: 55 - 75·Accepts healthy volunteers

Code: NCT07605468·Not Yet Recruiting

A Study in Adults With Geographic Atrophy

for Geographic Atrophy

20 locations incl. Bakersfield

Sponsor: Sitala Bio LTD

Sex: All·Age: 60+

Code: NCT07606365·Phase 2·Not Yet Recruiting

A Study to Evaluate the Efficacy and Safety of Concomitant Use of Eplontersen and ALXN2220 Compared With Eplontersen and Placebo for Adults Participants With ATTR-CM

for Transthyretin Amyloid Cardiomyopathy (ATTR-CM)

24 locations incl. La Jolla

Sponsor: AstraZeneca

Sex: All·Age: 18 - 85

Code: NCT07608354·Phase 2·Not Yet Recruiting

Standardized Adaptive Music Medicine for Suicidality

for Suicidal Thoughts and Behaviors

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 14 - 35

Code: NCT07610785·Not Yet Recruiting

ProGo Menopause Wellbeing Study

for Menopause Related Conditions

1 location in San Francisco

Sponsor: Hofseth Biocare ASA

Sex: Female·Age: 40 - 65·Accepts healthy volunteers

Code: NCT07611305·Not Yet Recruiting

Serene Sleep Palatal Implant System Clinical Confirmatory Trial in Participants Who Snore or Are Diagnosed With Mild-to-moderate Obstructive Sleep Apnea (OSA).

for Snoring

2 locations incl. San Francisco

Sponsor: Serene Sleep, Inc.

Sex: All·Age: 18+

Code: NCT07613281·Not Yet Recruiting

An International Multicenter, Multivendor Evaluation of the Free-Running Framework for Cardiac Function

for Congenital Heart Diseases

9 locations incl. Los Angeles

Sponsor: Matthias Stuber

Sex: All·Age: All ages

Code: NCT07613398·Not Yet Recruiting

Laboratory Heat Biomarker and Cooling Interventions

for Hyperthermia

1 location in Stanford

Sponsor: Stanford University

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

Code: NCT07617649·Not Yet Recruiting

Topical Insulin for Glaucoma (TING2)

for Open Angle Glaucoma

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 18 - 90

Code: NCT07619482·Phase 1, Phase 2·Not Yet Recruiting

A Study to Evaluate TNX-102 SL Monotherapy Versus Placebo in Participants With Major Depressive Disorder (MDD)

for Major Depressive Episode (MDE)

25 locations incl. Phoenix

Sponsor: Tonix Pharmaceuticals, Inc.

Sex: All·Age: 18+

Code: NCT07621237·Phase 2·Recruiting

Apply to this trial

Evaluation of Arts-Based Storytelling Program in Adolescents With Diabetes

for Diabetes Mellitus

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 16 - 25

Code: NCT07625254·Not Yet Recruiting

DReAMzz- Dronabinol and Acetazolamide Medication for Sleep Apnea (ZZ). Dose Confirmation Crossover Study for IHL-42X in Subjects With Obstructive Sleep Apnea.

for Obstructive Sleep Apnea (OSA)

14 locations incl. Chula Vista

Sponsor: Incannex Healthcare Ltd

Sex: All·Age: 18 - 65

Code: NCT07635563·Phase 2·Not Yet Recruiting

AUR103 Calcium in Advanced Neuroendocrine Tumours (BHARAT-3 Study)

for Neuroendocrine (NE) Tumors

5 locations incl. Phoenix

Sponsor: Aurigene Discovery Technologies Limited

Sex: All·Age: 18 - 99

Code: NCT07640737·Phase 2·Not Yet Recruiting

A Comprehensive Digital Care Program for Migraine Management

for Migraine

1 location in San Francisco

Sponsor: Hinge Health, Inc

Sex: All·Age: 18+

Code: NCT07642414·Recruiting

Apply to this trial

Small Trial of Alendronate Impact on the Reservoir of HIV

for HIV

5 locations incl. San Francisco

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

Sex: All·Age: 18 - 65

Code: NCT07216794·Phase 2·Not Yet Recruiting

A Study to Evaluate the Efficacy and Safety of Once Daily Treprostinil Palmitil Inhalation Powder (TPIP) in Participants With Pulmonary Arterial Hypertension (PAH)

for Pulmonary Arterial Hypertension

2 locations incl. Santa Barbara

Sponsor: Insmed Incorporated

Sex: All·Age: 18 - 75

Code: NCT07481981·Phase 3·Recruiting

Apply to this trial

Scheduled Meditation for Improving Postoperative Outcomes in Patients Undergoing Pancreatectomy

for Hepatocellular Carcinoma

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT07608458·Not Yet Recruiting

TAVR vs SAVR in Severe Bicuspid Aortic Stenosis

for Bicuspid Aortic Valve Disease

1 location in Los Angeles

Sponsor: Cedars-Sinai Medical Center

Sex: All·Age: 50+

Code: NCT07413965·Not Yet Recruiting

A Research Study to Compare Different Versions of Injectable CagriSema and Placebo in People With Excess Body Weight

for Overweight

26 locations incl. Birmingham

Sponsor: Novo Nordisk A/S

Sex: All·Age: 18+

Code: NCT07357766·Phase 3·Not Yet Recruiting

The Impact of Dietary Salt on the Severity of Eczema

for Eczema

2 locations incl. San Francisco

Sponsor: University of California, San Francisco

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

Code: NCT07447063·Phase 4·Not Yet Recruiting

Stimulant and Polysubstance Use, Inflammation, and Sex Effects on Myocardial Disease in HIV

for HIV (Human Immunodeficiency Virus)

4 locations incl. San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 30+

Code: NCT07461350·Not Yet Recruiting

The Impact of Salt Intake on Sodium in the Skin and Inflammatory Skin Disease

for Atopic Dermatitis (Eczema)

2 locations incl. San Francisco

Sponsor: University of California, San Francisco

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

Code: NCT07487831·Phase 4·Not Yet Recruiting

A Study to Test Whether Nerandomilast Helps People With Systemic Sclerosis

for Systemic Sclerosis

Drug: Nerandomilast

30 locations incl. Birmingham

Sponsor: Boehringer Ingelheim

Sex: All·Age: 18+

Code: NCT07497087·Phase 3·Not Yet Recruiting

Large Diameter ViSiGi LUX ™ Gastric Sizing and Calibration System

for Gastric Surgery

1 location in Rancho Mirage

Sponsor: Boehringer Labs LLC

Sex: All·Age: 18+

Code: NCT07572058·Not Yet Recruiting

A Study to Test How Well BAY 3670549 Works and How Safe it is in Patients With Atrial Fibrillation

for Atrial Fibrillation

6 locations incl. San Francisco

Sponsor: Bayer

Sex: All·Age: 18 - 85

Code: NCT07625215·Phase 2·Not Yet Recruiting

A Phase I/II Trial of JR-446 in Mucopolysaccharidosis Type IIIB (MPS IIIB)

for Mucopolysaccharidosis IIIB

3 locations incl. Oakland

Sponsor: JCR Pharmaceuticals Co., Ltd.

Sex: All·Age: Up to 5

Code: NCT07640984·Phase 1, Phase 2·Not Yet Recruiting

A Study to Evaluate Next-Generation Sequencing (NGS) Testing and Monitoring of B-cell Recovery to Guide Management Following Chimeric Antigen Receptor T-cell (CART) Induced Remission in Children and Young Adults With B Lineage Acute Lymphoblastic Leu...

for B-All

8 locations incl. Los Angeles

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 1 - 25

Code: NCT05621291·Recruiting

Apply to this trial

Syk Inhibition in MItigating Lung Allograft Rejection (SIMILAR): A Trial to Evaluate the Safety and Tolerability of Fostamatinib in Lung Transplant Patients With Donor-Specific Antibodies

for Lung Transplantation

Drug: Fostamatinib

5 locations incl. Stanford

Sponsor: National Heart, Lung, and Blood Institute (NHLBI)

Sex: All·Age: 18 - 99

Code: NCT06948097·Phase 1·Not Yet Recruiting

Efficacy of Tezepelumab in Peanut Oral Immunotherapy

for Peanut Allergy

10 locations incl. Little Rock

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

Sex: All·Age: 12 - 55

Code: NCT07015996·Phase 2·Not Yet Recruiting

Optimizing Preeclampsia Postpartum With Point-of-care Ultrasound

for Preeclampsia

1 location in Orange

Sponsor: University of California, Irvine

Sex: Female·Age: 18+

Code: NCT07167862·Phase 4·Not Yet Recruiting

Behavioral Safety and Fentanyl Education: BSAFE

for Drug Overdose

1 location in San Francisco

Sponsor: San Francisco Department of Public Health

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

Code: NCT07219082·Not Yet Recruiting

NMT EasyFit Sensor and Cable

for Neuromuscular Blockade Monitoring

1 location in Loma Linda

Sponsor: GE Healthcare

Sex: All·Age: 18+

Code: NCT07394140·Not Yet Recruiting

A Study to Evaluate the Efficacy, Safety, Pharmacodynamics (PD), and Pharmacokinetics (PK) of Selnoflast in Reducing Vascular Inflammation in Participants With Atherosclerosis at Risk for Major Adverse Cardiac Events

for Atherosclerosis

11 locations incl. Beverly Hills

Sponsor: Genentech, Inc.

Sex: All·Age: 18 - 80

Code: NCT07448038·Phase 2·Recruiting

Apply to this trial

DAREON®-NEC-1: A Study in People With Advanced Extrapulmonary Neuroendocrine Cancer to Compare Obrixtamig Plus Carboplatin and Etoposide Treatment With Standard Chemotherapy

for Extrapulmonary Neuroendocrine Cancer

Drug: Obrixtamig

21 locations incl. Scottsdale

Sponsor: Boehringer Ingelheim

Sex: All·Age: 18+

Code: NCT07544654·Phase 3·Not Yet Recruiting

A1Cantus vs. Placebo

for Type 2 Diabetes

1 location in Riverside

Sponsor: University of California, Riverside

Sex: All·Age: 21 - 75·Accepts healthy volunteers

Code: NCT07585630·Phase 2·Not Yet Recruiting

A Study to Evaluate the Safety and Antiviral Activity of Two Human Monoclonal Antibodies (VRC07-523LS and PGT121.414.LS) During Analytic Treatment Interruption in Participants Living With HIV Who Initiated ART During Acute/Early HIV-1 Infection

for HIV-1-infection

10 locations incl. Birmingham

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

Sex: All·Age: 18 - 70

Code: NCT06987318·Phase 1·Not Yet Recruiting

A Study of Lurbinectedin in Combination With Durvalumab for the Treatment of Participants With ES-SCLC

for Extensive-stage Small-cell Lung Cancer

Drug: Lurbinectedin

1 location in Los Angeles

Sponsor: Jazz Pharmaceuticals

Sex: All·Age: 18+

Code: NCT07459634·Phase 2·Not Yet Recruiting