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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Efficacy and Safety of KAI-9531 Administered Once Weekly Compared With Semaglutide and Placebo in Participants Living With Obesity Who Do Not Have Diabetes

for Obesity

Drug: Semaglutide

26 locations incl. Glendale

Sponsor: Kailera

Sex: All·Age: 18+

Code: NCT07284979·Phase 3·Recruiting

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Infrasensor for Early Detection of a High-grade Obstructive NSTE-ACS

for High Grade Obstructive NSTE-ACS

6 locations incl. La Jolla

Sponsor: Remote Cardiac Enablement

Sex: All·Age: 18+

Code: NCT07464704·Recruiting

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Study to Assess the Safety and Tolerability of Tafasitamab in Adult Participants With Primary Autoimmune Blood Cell Disorders

for Immune Thrombocytopenia

Drug: Tafasitamab

10 locations incl. Glendale

Sponsor: Incyte Corporation

Sex: All·Age: 18+

Code: NCT07104565·Phase 2·Recruiting

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A Study to Investigate Efficacy and Safety With SAR445399 in Adult Participants With Moderate to Severe Hidradenitis Suppurativa

for Hidradenitis Suppurativa

Drug: SAR445399

16 locations incl. Scottsdale

Sponsor: Sanofi

Sex: All·Age: 18+

Code: NCT07225569·Phase 2·Recruiting

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A Study to Investigate Safety and Efficacy of Tapinarof Cream, 1% in Participants Ages 3 Months to < 24 Months With Atopic Dermatitis

for Atopic Dermatitis

Drug: Tapinarof

37 locations incl. Birmingham

Sponsor: Organon and Co

Sex: All·Age: 3 Months - 23 Months

Code: NCT07265479·Phase 3·Recruiting

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A Dose-ranging Study to Evaluate the Efficacy, Safety, Pharmacokinetics, and Pharmacodynamics of Galvokimig in Adult Study Participants With Atopic Dermatitis

for Atopic Dermatitis

20 locations incl. Oceanside

Sponsor: UCB Biopharma SRL

Sex: All·Age: 18+

Code: NCT07277660·Phase 2·Recruiting

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Study to Evaluate Resmetirom in Post-Liver Transplant Patients With MASH

for MASH - Metabolic Dysfunction-Associated Steatohepatitis

16 locations incl. La Jolla

Sponsor: Madrigal Pharmaceuticals, Inc.

Sex: All·Age: 18 - 75

Code: NCT07335601·Phase 2·Recruiting

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Gemini Study: A Prospective, Multicenter Evaluation of Performance and Safety of the Eversense Gemini System With Flash Glucose Measurement Feature

for Diabetes Mellitus

1 location in Escondido

Sponsor: Senseonics, Inc.

Sex: All·Age: 18+

Code: NCT07386340·Recruiting

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Transcranial Photobiomodulation (tPBM) in Alzheimer's Disease Study

for Alzheimer's Disease

1 location in Los Angeles

Sponsor: Cedars-Sinai Medical Center

Sex: All·Age: 55 - 89

Code: NCT07224607·Recruiting

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An Assessment of Efficacy, Safety, and Pharmacokinetics of NBI-1117568 in Adults With Bipolar I Disorder With Current Mania

for Bipolar I Disorder

Drug: NBI-1117568

6 locations incl. Garden Grove

Sponsor: Neurocrine Biosciences

Sex: All·Age: 18 - 65

Code: NCT07288320·Phase 2·Recruiting

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Remdesivir for the Treatment of Upper Respiratory Tract Infection Due to RSV in Immunocompromised Individuals

for Hematopoietic and Lymphatic System Neoplasm

3 locations incl. Duarte

Sponsor: Fred Hutchinson Cancer Center

Sex: All·Age: 18+

Code: NCT06817889·Phase 2·Recruiting

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Diagnosing Epilepsy To EffeCT Change

for Epilepsy

18 locations incl. Phoenix

Sponsor: Epiminder America, Inc.

Sex: All·Age: 18 - 75

Code: NCT07110337·Recruiting

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A Study to Evaluate the Effectiveness of IDCT (Intradiscal Cell Therapy) in Subjects With One Level, Symptomatic Mild to Moderate Lumbar Degenerative Disc Disease

for Degenerative Disc Disease

14 locations incl. Birmingham

Sponsor: DiscGenics, Inc.

Sex: All·Age: 18 - 75

Code: NCT07254806·Phase 3·Recruiting

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A Study to Evaluate the Safety, Tolerability, and Drug Levels of BMS-986521 in Healthy Participants.

for Healthy Volunteers

1 location in Anaheim

Sponsor: Bristol-Myers Squibb

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

Code: NCT07283263·Phase 1·Recruiting

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A Study to Learn About the Study Medicine Called PF-08032562 in People With Advanced or Metastatic Solid Tumors

for Advanced Breast Cancer

9 locations incl. Duarte

Sponsor: Pfizer

Sex: All·Age: 18+

Code: NCT07318805·Phase 1·Recruiting

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Riluzole For Preventing Cognitive Dysfunction in Ca Pts Receiving Chemo (REFOCUS): Pilot Trial

for Breast Cancer

1 location in Orange

Sponsor: University of California, Irvine

Sex: All·Age: 18+

Code: NCT07447050·Phase 2·Recruiting

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Efficacy of OneMark Device in Identifying Breast Cancer for Surgery and Surveillance

for Breast Cancer

1 location in La Jolla

Sponsor: University of California, San Diego

Sex: All·Age: 18+

Code: NCT07087691·Recruiting

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A Study of Tersolisib (LY4064809/STX-478) With Other Anti-Cancer Treatments in Participants With Advanced Breast Cancer With a Genetic Change (PIK3CA)

for Breast Neoplasms

117 locations incl. Anchorage

Sponsor: Eli Lilly and Company

Sex: All·Age: 18+

Code: NCT07174336·Phase 3·Recruiting

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Proactive Costs of Care Study

for Financial Burden

1 location in Los Angeles

Sponsor: Cedars-Sinai Medical Center

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

Code: NCT07217262·Recruiting

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A Clinical Trial of MK-1403 in Participants With Type 2 Diabetes Mellitus (MK-1403-006)

for Diabetes Mellitus, Type 2

4 locations incl. Chula Vista

Sponsor: Merck Sharp & Dohme LLC

Sex: All·Age: 18 - 75

Code: NCT07242469·Phase 1·Recruiting

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A Study to Learn How the Body Processes the Study Medicine PF-07328948 in People With and Without Reduced Liver Function

for Hepatic Impairment

3 locations incl. Lake Forest

Sponsor: Pfizer

Sex: All·Age: 18 - 74·Accepts healthy volunteers

Code: NCT07269301·Phase 1·Recruiting

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A Study to Investigate the Clinical Effect and the Safety of PRX-115 Infused Intravenously at Different Dosing Regimens, With and Without Methotrexate, Versus Placebo in Adults Gout Patients (RELEASE)

for Gout

18 locations incl. Little Rock

Sponsor: Protalix

Sex: All·Age: 18+

Code: NCT07280156·Phase 2·Recruiting

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Study of ENV-294 in Adults With Moderate-to-Severe Atopic Dermatitis

for Atopic Dermatitis (AD)

23 locations incl. Birmingham

Sponsor: Enveda Therapeutics

Sex: All·Age: 18 - 75

Code: NCT07298395·Phase 2·Recruiting

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A Study to Evaluate Safety, Tolerability and Pharmacokinetics of MNKD-201 in Patients With Idiopathic Pulmonary Fibrosis

for Idiopathic Pulmonary Fibrosis (IPF)

9 locations incl. Fresno

Sponsor: Mannkind Corporation

Sex: All·Age: 40 - 85

Code: NCT07344558·Phase 1·Recruiting

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The Effect of Kinisoquin™ on Thromboembolic Events in Patients With Metastatic or Locally Advanced Pancreatic Cancer

for Venous Thromboembolism

3 locations incl. Ventura

Sponsor: Quercis Pharma AG

Sex: All·Age: 18+

Code: NCT06861088·Phase 3·Recruiting

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A Study to Evaluate the Safety and Effectiveness of the Rapidlink Device When Used in Patients Undergoing an Open Surgical Procedure to Repair the Aorta

for Aortic Aneurysm

16 locations incl. Los Angeles

Sponsor: Vascutek Ltd.

Sex: All·Age: 18+

Code: NCT07078383·Recruiting

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Phase 1/2 Study of MZ-1866, an AAV-9 Gene Therapy Delivered by Intracerebroventricular Injection to Participants With Pitt Hopkins Syndrome

for Pitt Hopkins Syndrome

3 locations incl. Oakland

Sponsor: Mahzi Therapeutics

Sex: All·Age: 2 - 25

Code: NCT07135050·Phase 1, Phase 2·Recruiting

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Maridebart Cafraglutide Versus Placebo in Adult Participants With Obstructive Sleep Apnea on Positive Airway Pressure Therapy

for Obesity

13 locations incl. Northridge

Sponsor: Amgen

Sex: All·Age: 18 - 99

Code: NCT07225686·Phase 3·Recruiting

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A Study of Pasritamig With Docetaxel Versus Docetaxel in Participants With Metastatic Castration-Resistant Prostate Cancer

for Prostatic Neoplasms, Castration-Resistant

Drug: Pasritamig

49 locations incl. Chandler

Sponsor: Janssen Research & Development, LLC

Sex: All·Age: 18+

Code: NCT07225946·Phase 3·Recruiting

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ADAPT Forward 1 - ISA1 - a Study to Evaluate Empasiprubart IV as add-on Therapy to Efgartigimod IV in Participants With AChR-Ab Seropositive Generalized Myasthenia Gravis With a Partial Clinical Response to Efgartigimod

for AChR-Ab Seropositive Generalized Myasthenia Gravis

Drug: Empasiprubart IV

8 locations incl. Carlsbad

Sponsor: argenx

Sex: All·Age: 18+

Code: NCT07284420·Phase 2·Recruiting

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Study is to Assess the Safety and Tolerability of VTx-002 in Participants With ALS

for Amyotrophic Lateral Sclerosis

7 locations incl. Phoenix

Sponsor: Vector Y Therapeutics

Sex: All·Age: 18+

Code: NCT07287397·Phase 1, Phase 2·Recruiting

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A Study to Assess the Safety, Tolerability, Efficacy, Pharmacokinetics, and Immunogenicity of Intravenous Administration of ARGX-119 in Pediatric Participants Aged 5 to Less Than 18 Years With Spinal Muscular Atrophy

for Spinal Muscular Atrophy (SMA)

17 locations incl. Little Rock

Sponsor: argenx

Sex: All·Age: 5 - 17

Code: NCT07287982·Phase 2·Recruiting

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ADAPT Forward - Master Protocol of a Platform Study to Evaluate the Safety and Efficacy of Multiple Regimens in Participants With Myasthenia Gravis

for Myasthenia Gravis

9 locations incl. Carlsbad

Sponsor: argenx

Sex: All·Age: 18+

Code: NCT07294170·Recruiting

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Open-Label Phase 1/2 Study of NEO-811 in Subjects With Locally Advanced or Metastatic Non-Resectable Clear Cell Renal Cell Carcinoma

for Clear Cell Renal Cell Carcinoma

10 locations incl. Duarte

Sponsor: Neomorph, Inc

Sex: All·Age: 18+

Code: NCT07300241·Phase 1·Recruiting

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Efficacy and Safety of MET097 Once-Weekly in People With Overweight or Obesity

for Obesity and Overweight

35 locations incl. Scottsdale

Sponsor: Pfizer

Sex: All·Age: 18+

Code: NCT07311850·Phase 3·Recruiting

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Study Evaluating the Safety and Efficacy of HWK-007, a PTK7-directed Antibody Drug Conjugate in Participants With Advanced Solid Tumors

for Endometrial Cancer

12 locations incl. Little Rock

Sponsor: Whitehawk Therapeutics, Inc.

Sex: All·Age: 18+

Code: NCT07444814·Phase 1·Recruiting

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A Clinical Study of Islatravir and Ulonivirine for People With HIV-1 Who Have Not Been Treated Before (MK-8591B-062)

for Human Immunodeficiency Virus Type 1 (HIV-1) Infection

24 locations incl. Los Angeles

Sponsor: Merck Sharp & Dohme LLC

Sex: All·Age: 18+

Code: NCT07266831·Phase 2, Phase 3·Recruiting

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A Study to Assess Change in Disease Activity and Adverse Events of Oral Icalcaprant in Adult Participants With Major Depressive Disorder

for Major Depressive Disorder

Drug: Icalcaprant

33 locations incl. Dothan

Sponsor: AbbVie

Sex: All·Age: 18 - 65

Code: NCT07276997·Phase 2·Recruiting

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Efficacy and Safety of KAI-9531 in Participants Living With Obesity or Overweight With Weight-Related Comorbidities Who Do Not Have Diabetes

for Obesity

23 locations incl. Anniston

Sponsor: Kailera

Sex: All·Age: 18+

Code: NCT07284875·Phase 3·Recruiting

Apply to this trial

A Study to Investigate the Efficacy and Safety of Fitusiran Prophylaxis in Male Participants Aged 1 to Less Than 12 Years With Hemophilia A or B

for Hemophilia

4 locations incl. Los Angeles

Sponsor: Sanofi

Sex: Male·Age: 1 - 11

Code: NCT07285460·Phase 3·Recruiting

Apply to this trial