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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Integrated Health Care for PTSD

for Posttraumatic Stress Disorder (PTSD)

4 locations incl. Little Rock

Sponsor: Veterans Medical Research Foundation

Sex: All·Age: 18+

Code: NCT07220681·Not Yet Recruiting

Beeline: A Phase 3 Study in GRIN-related Neurodevelopmental Disorder

for GRIN-related Neurodevelopmental Disorder

17 locations incl. Los Angeles

Sponsor: GRIN Therapeutics, Inc.

Sex: All·Age: 1 Month - 18

Code: NCT07224581·Phase 3·Recruiting

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RCT of Psilocybin-assisted CBT for Depression

for Major Depressive Diorder

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 21 - 60

Code: NCT07281352·Phase 1, Phase 2·Recruiting

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Arrival Time Implementation

for Primary Care

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 18+

Code: NCT07314697·Recruiting

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Stanford Pediatric Healthy Weight Index

for Obesity & Overweight

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 10 - 18

Code: NCT07316816·Recruiting

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A Phase 1 Ethnobridging TriaL of AGA2118 in Healthy Japanese, Chinese, and Caucasian ParticipantS (ATLAS)

for Healthy Participants

1 location in Glendale

Sponsor: Angitia Incorporated Limited

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

Code: NCT07361354·Phase 1·Recruiting

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Effects of Variations in Caffeinated Beverages on Well-being

for Healthy

1 location in San Francisco

Sponsor: GUAYAKI SUSTAINABLE RAINFOREST PRODUCTS, INC.

Sex: All·Age: 18 - 55·Accepts healthy volunteers

Code: NCT07404254·Recruiting

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Testing the Effectiveness of an Intervention That Aligns Circadian Rhythm With Daily Activities on Student Flourishing

for Chronotypes and Health

1 location in La Jolla

Sponsor: University of California, San Diego

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

Code: NCT07410585·Recruiting

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Digital vs. Parent Modeled Toothbrushing

for Plaque Reduction

1 location in Los Angeles

Sponsor: University of Southern California

Sex: All·Age: 3 - 6·Accepts healthy volunteers

Code: NCT07441148·Recruiting

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Sleep Well Firefighters: An App-based Program to Improve Sleep, Cognition, and Behavioral Health in Firefighters

for Sleep Health

1 location in San Luis Obispo

Sponsor: California Polytechnic State University-San Luis Obispo

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

Code: NCT07477184·Recruiting

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A Study to Compare the Combination of Navlimetostat (BMS-986504) With Pembrolizumab and Chemotherapy Versus Placebo Plus Pembrolizumab and Chemotherapy in First-line Metastatic Non-small Cell Lung Cancer Participants With Homozygous MTAP Deletion

for Metastatic Non-small Cell Lung Cancer With MTAP Deletion

Drug: Navlimetostat

42 locations incl. Anchorage

Sponsor: Bristol-Myers Squibb

Sex: All·Age: 18+

Code: NCT07063745·Phase 2, Phase 3·Recruiting

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Phase 1 Pilot of a Pragmatic Trial of EAET for Veterans With Chronic Pain

for Musculoskeletal Pain

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 18+

Code: NCT07218757·Recruiting

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Study of ONC206 (JZP3507) in Advanced Pheochromocytoma and Paraganglioma

for Advanced Pheochromocytoma and Paraganglioma

9 locations incl. Los Angeles

Sponsor: Jazz Pharmaceuticals

Sex: All·Age: 18+

Code: NCT07282587·Phase 2·Recruiting

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The Effects of a Nutritional Supplement on Sleep Quality

for Sleep

1 location in Santa Monica

Sponsor: Athletic Greens International

Sex: All·Age: 35 - 65·Accepts healthy volunteers

Code: NCT07345260·Recruiting

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Force Sensor Study

for Laryngeal Disease

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT07434583·Recruiting

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Epileptic Hippocampus in Alzheimer's Disease

for Alzheimer Disease

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 45 - 70

Code: NCT05899764·Phase 1, Phase 2·Not Yet Recruiting

New Approach to Objectively Measure Social Engagement in Older Adults With Hearing Loss

for Hearing Loss, Bilateral (Causes Other Than Tumors)

2 locations incl. Los Angeles

Sponsor: University of Southern California

Sex: All·Age: 60+·Accepts healthy volunteers

Code: NCT06781749·Recruiting

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Prospective Study: TXA, Anticoagulant, Orthopaedic Trauma

for Patients Undergoing Operative Fixation of Long Bone Fractures Within the Community Medical Centers System

1 location in Fresno

Sponsor: Arbi Nazarian, MD

Sex: All·Age: 18+

Code: NCT07116395·Phase 4·Not Yet Recruiting

Supraglottic Airway for Resuscitation Trial

for Neonatal Resuscitation

30 locations incl. Birmingham

Sponsor: Children's Hospital of Philadelphia

Sex: All·Age: 0 Days+

Code: NCT07150923·Recruiting

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A Phase 1 Study to Evaluate Safety and Efficacy of XER-001 (Amifostine for Nasoduodenal Delivery) in Combination With Sterotactic Body Radiotherapy for Treatment in Patients With Locally Advanced Pancreatic Cancer.

for Locally Advanced Pancreatic Adenocarcinoma

4 locations incl. Duarte

Sponsor: Xerient Pharma

Sex: All·Age: 18+

Code: NCT07157033·Phase 1, Phase 2·Recruiting

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Personalized Digital Coaching for Oral Hygiene Adherence: Randomized Controlled Trial.

for Dental Disease

2 locations incl. Petaluma

Sponsor: University of California, Los Angeles

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

Code: NCT07167875·Enrolling By Invitation

Screening Cardiometabolic Opportunities Using Transformative Echocardiography Artificial Intelligence (SCOUT Echo-AI)

for MASLD - Metabolic Dysfunction-Associated Steatotic Liver Disease

4 locations incl. Los Angeles

Sponsor: Kaiser Permanente

Sex: All·Age: 18+

Code: NCT07216859·Not Yet Recruiting

Chronic Infections and Inflammation in ME/CFS: An Observational Study

for Myalgic Encephalomyelitis/Chronic Fatigue Syndrome

1 location in San Francisco

Sponsor: University of California, San Francisco

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

Code: NCT07227441·Recruiting

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DSLT in Normal Tension Glaucoma (NTG) Asian Eyes

for Normal Tension Glaucoma (NTG)

1 location in San Jose

Sponsor: Ngoc Nguyen Inc.

Sex: All·Age: 20+

Code: NCT07300852·Not Yet Recruiting

Effects of Brief Nature Exposure on Brain Functioning and Stress Reactivity

for Stress (Psychology)

1 location in San Francisco

Sponsor: National Institutes of Health (NIH)

Sex: All·Age: 18 - 25

Code: NCT07508800·Recruiting

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Individualized AML Treatment

for Relapsed/Refractory Acute Myeloid Leukemia (AML)

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT07613385·Recruiting

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Familial Fecal Microbiota Transplant for the Treatment of Subjects With Autism Spectrum Disorders

for Autism

1 location in Ventura

Sponsor: ProgenaBiome

Sex: All·Age: 18+

Code: NCT04630847·Phase 1·Not Yet Recruiting

Long-term Cognitive, Neuropsychiatric and Functional Outcomes in Adults Who Have Received Chimeric Antigen-Receptor T-Cell (CAR-T) Therapy for Aggressive Lymphoma at Stanford

for Non Hodgkin Lymphoma

1 location in San Francisco

Sponsor: Stanford University

Sex: All·Age: 18+

Code: NCT05416554·Not Yet Recruiting

Evaluating Microneedling With CBD and Hempseed Oil for Acne Vulgaris Safety and Efficacy

for Acne Vulgaris (Disorder)

1 location in Los Angeles

Sponsor: Rejuva Medical Aesthetics

Sex: All·Age: 22+·Accepts healthy volunteers

Code: NCT06362889·Phase 1·Not Yet Recruiting

Combined Local Anesthetic Blockade and Neuromodulation vs Local Anesthetic Blockade Only for Analgesia After Below-knee Amputation: RCT

for Amputation

3 locations incl. Stanford

Sponsor: Stanford University

Sex: All·Age: 18+

Code: NCT06964347·Not Yet Recruiting

A Study to Evaluate the Safety and Efficacy of Pumitamig in Combination With Chemotherapy Versus Bevacizumab in Combination With Chemotherapy in Participants With Previously Untreated, Unresectable, or Metastatic Colorectal Cancer

for Untreated, Unresectable, or Metastatic Colorectal Cancer

Drug: Bevacizumab

49 locations incl. Tucson

Sponsor: Bristol-Myers Squibb

Sex: All·Age: 18+

Code: NCT07221357·Phase 2, Phase 3·Recruiting

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MOBoxy: MoblO2 to Maintain Oxygenation

for COPD

1 location in Stanford

Sponsor: National Jewish Health

Sex: All·Age: 25+

Code: NCT07222592·Not Yet Recruiting

Use of A Complex Gut Bacterial Consortium (MITI 001) for the Treatment of Irritable Bowel Syndrome With Diarrhea

for IBS (Irritable Bowel Syndrome)

2 locations incl. Redwood City

Sponsor: Stanford University

Sex: All·Age: 18 - 65

Code: NCT07238790·EARLY_Phase 1·Not Yet Recruiting

Women's Hormonal and Metabolic Wellbeing Study

for Metabolic Health

1 location in San Francisco

Sponsor: Daily Nouri

Sex: Female·Age: 18 - 45·Accepts healthy volunteers

Code: NCT07268404·Recruiting

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Safety and Usability of the Cionic Neural Sleeve for Parkinson's Disease

for Parkinson Disease (PD)

2 locations incl. Carlsbad

Sponsor: Cionic, Inc.

Sex: All·Age: 22 - 75

Code: NCT07284823·Recruiting

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Efficacy of Lavender Aromatherapy on Anxiety and Pain Reduction During Awake Otolaryngologic Procedures

for Inferior Turbinate Hypertrophy

1 location in Los Angeles

Sponsor: Cedars-Sinai Medical Center

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

Code: NCT07299474·Recruiting

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Clinical Utility of an Amniotic Membrane Allograft for Diabetic Foot Ulcer Wound Management

for Diabetic Foot Ulcer

8 locations incl. Palm Springs

Sponsor: Legacy Medical Consultants

Sex: All·Age: 50 - 85

Code: NCT06420245·Recruiting

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Allogeneic CMV-Specific CD19-CAR T Cells Plus CMV-MVA Triplex Vaccine After Matched Related Donor Hematopoietic Cell Transplant for the Treatment of Patients With High-Risk Acute Lymphoblastic Leukemia

for Acute Lymphoblastic Leukemia

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT06735690·EARLY_Phase 1·Recruiting

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Phase 2 Study to Evaluate EI-001 in Non-segmental Vitiligo Patients

for Non-segmental Vitiligo

5 locations incl. Huntington Beach

Sponsor: Elixiron Immunotherapeutics (Hong Kong) Ltd.

Sex: All·Age: 18 - 65

Code: NCT07223229·Phase 2·Recruiting

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Hyperangulated Versus Standard Geometry Laryngoscope Blade Trial

for Acute Respiratory Failure

16 locations incl. Los Angeles

Sponsor: Vanderbilt University Medical Center

Sex: All·Age: 18+

Code: NCT07223762·Enrolling By Invitation