Paid Clinical Trials in California

California has 6,389 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: July 24, 2026.

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5,291 clinical trials

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Study to Evaluate the Safety and Efficacy of Larsucosterol in Participants With Alcohol-associated Hepatitis (AH)

for Hepatitis

Drug: Larsucosterol

Sites in Los Angeles, San Francisco +82 more locations

Sponsor: Bausch Health Americas, Inc.

Sex: All·Age: 18+

Code: NCT07428538·Phase 3·Recruiting·Listed Feb 2026

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A Study to Evaluate the Effectiveness of Two Doses of AP-472 as Adjunctive Therapy to Levodopa in Parkinson's Disease (PD) Participants With Motor Fluctuations

for Parkinson Disease

Sites in Los Angeles, Palo Alto +28 more locations

Sponsor: Appello Pharmaceuticals, Inc.

Sex: All·Age: 30 - 80

Code: NCT07432958·Phase 2·Recruiting·Listed Feb 2026

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Phase 3 Study of Telitacicept in Active Primary Sjögren's Disease

for Primary Sjogren's Disease

Drug: Telitacicept

Sites in Beverly Hills +27 more locations

Sponsor: Vor Biopharma

Sex: All·Age: 18 - 75

Code: NCT07404865·Phase 3·Recruiting·Listed Feb 2026

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A Study of Brenipatide in Adult Participants With Schizophrenia

for Schizophrenia

Drug: Brenipatide

Sites in Stanford, Walnut Creek +29 more locations

Sponsor: Eli Lilly and Company

Sex: All·Age: 18 - 55

Code: NCT07410507·Phase 2·Recruiting·Listed Feb 2026

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A Study of Brenipatide in Participants With Opioid Use Disorder

for Opioid Use Disorder

Drug: Brenipatide

Sites in San Francisco, Fountain Valley +36 more locations

Sponsor: Eli Lilly and Company

Sex: All·Age: 18 - 75

Code: NCT07420283·Phase 2·Recruiting·Listed Feb 2026

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A Study of Eloralintide (LY3841136) in Participants With Persistent Obesity Who Are Treated With a Weekly Incretin

for Overweight

Drug: Eloralintide

Sites in San Diego, Sacramento +57 more locations

Sponsor: Eli Lilly and Company

Sex: All·Age: 18+

Code: NCT07392190·Phase 3·Recruiting·Listed Feb 2026

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A 26-Wk Study to Assess Safety & Efficacy of Tenapanor for T/t of Chronic Idiopathic Constipation in Adults

for Chronic Idiopathic Constipation (CIC)

Drug: Tenapanor

Sites in San Diego, Lancaster +107 more locations

Sponsor: Ardelyx

Sex: All·Age: 18 - 80

Code: NCT07382167·Phase 3·Recruiting·Listed Feb 2026

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A Study to Test Whether Different Doses of BI 3000202 Help People With Systemic Lupus Erythematosus (SLE)

for Systemic Lupus Erythematosus

Drug: BI 3000202

Sites in San Diego, Torrance +28 more locations

Sponsor: Boehringer Ingelheim

Sex: All·Age: 18 - 74

Code: NCT07409181·Phase 2·Recruiting·Listed Feb 2026

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A Study to Evaluate the Effectiveness and Safety of Setidegrasib, Given With Either mFOLFIRINOX or NALIRIFOX Chemotherapies, in People With Pancreatic Cancer

for Pancreatic Cancer

Sites in Newport Beach, Fullerton +26 more locations

Sponsor: Astellas Pharma Global Development, Inc.

Sex: All·Age: 18+

Code: NCT07409272·Phase 3·Recruiting·Listed Feb 2026

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A Double-blind, Randomized Controlled Trial to Investigate the Efficacy, Safety, and Pharmacokinetics of Pegloticase Administration Via Subcutaneous and Intravenous Routes Both With Methotrexate in Participants With Uncontrolled Gout

for Uncontrolled Gout

Sites in Chula Vista, Tustin +54 more locations

Sponsor: Amgen

Sex: All·Age: 18+

Code: NCT07388498·Phase 3·Recruiting·Listed Feb 2026

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Efficacy and Safety of Eloralintide (LY3841136) in Participants With Osteoarthritis Knee Pain and Obesity or Overweight

for Osteoarthritis

Drug: Eloralintide

Sites in Walnut Creek, Fountain Valley +36 more locations

Sponsor: Eli Lilly and Company

Sex: All·Age: 18+

Code: NCT07353931·Phase 3·Recruiting·Listed Jan 2026

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A Phase 3 Trial to Compare IV BCV Versus IV CDV for Treatment of Adenovirus Infection After Allo-HCT

for Adenovirus Infections

Sites in San Diego, Palo Alto +30 more locations

Sponsor: SymBio Pharmaceuticals

Sex: All·Age: 2 Months+

Code: NCT07387367·Phase 3·Recruiting·Listed Feb 2026

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A Clinical Study to Evaluate the Effects of Enicepatide (RO7795068) in Participants With Obesity or Overweight Without Type 2 Diabetes

for Obesity or Overweight

Drug: Enicepatide

Sites in San Diego +35 more locations

Sponsor: Hoffmann-La Roche

Sex: All·Age: 18+

Code: NCT07351045·Phase 3·Recruiting·Listed Jan 2026

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A Clinical Study to Evaluate the Effects of Enicepatide (RO7795068) in Participants With Obesity or Overweight and Type 2 Diabetes

for Obesity or Overweight

Drug: Enicepatide

Sites in Long Beach, Montclair +33 more locations

Sponsor: Hoffmann-La Roche

Sex: All·Age: 18+

Code: NCT07351058·Phase 3·Recruiting·Listed Jan 2026

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A Study to Learn About the Study Medicine Called PF-07275315 in People With Moderate to Severe Chronic Obstructive Pulmonary Disease

for Moderate to Severe Chronic Obstructive Pulmonary Disease

Drug: PF-07275315

Sites in San Diego, Newport Beach +48 more locations

Sponsor: Pfizer

Sex: All·Age: 35 - 80

Code: NCT07363694·Phase 2, Phase 3·Recruiting·Listed Jan 2026

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PODOMOUNT-Basket, a Study to Test Whether BI 764198 Helps Adults and Adolescents With Different Types of Kidney Disease

for Proteinuric Kidney Diseases

Sites in Los Angeles, Glendale +23 more locations

Sponsor: Boehringer Ingelheim

Sex: All·Age: 12+

Code: NCT07355296·Phase 2·Recruiting·Listed Jan 2026

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A Study of Eloralintide (LY3841136) in Participants With Obesity, or Overweight Without Type 2 Diabetes

for Obesity

Drug: Eloralintide

Sites in Sacramento, Fountain Valley +39 more locations

Sponsor: Eli Lilly and Company

Sex: All·Age: 18+

Code: NCT07321886·Phase 3·Recruiting·Listed Jan 2026

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A Study to Evaluate the Efficacy of Pumitamig Versus Pembrolizumab in Participants With Previously Untreated Advanced Non-Small Cell Lung Cancer and PD-L1 ≥ 50%. (ROSETTA Lung-202)

for Non-Small Cell Lung Cancer (NSCLC)

Drug: Pumitamig

Sites in Los Angeles, Walnut Creek +39 more locations

Sponsor: Bristol-Myers Squibb

Sex: All·Age: 18+

Code: NCT07361510·Phase 3·Recruiting·Listed Jan 2026

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A Study to Assess the Effectiveness and Safety of IPN10200 Over Time in Adults With Moderate to Severe Wrinkle-like Lines Between the Eyebrows

for Moderate to Severe Glabellar Lines

Sites in Los Angeles, San Diego +39 more locations

Sponsor: Ipsen

Sex: All·Age: 18 - 80

Code: NCT07435428·Phase 3·Recruiting·Listed Feb 2026

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

for Obesity and Overweight

Sites in Riverside, Garden Grove +34 more locations

Sponsor: Pfizer

Sex: All·Age: 18+

Code: NCT07311850·Phase 3·Recruiting·Listed Dec 2025

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Effectiveness and Adverse-effect Switch Evaluation of Xanomeline and Trospium Chloride (KarXT)

for Schizophrenia

Drug: KarXT

Sites in Stanford, Anaheim +50 more locations

Sponsor: Bristol-Myers Squibb

Sex: All·Age: 18+

Code: NCT07379827·Recruiting·Listed Feb 2026

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A Study of CX11 Tablets in Patients With Type 2 Diabetes Mellitus

for Type II Diabetes Mellitus

Sites in Long Beach, Walnut Creek +29 more locations

Sponsor: Corxel Pharmaceuticals

Sex: All·Age: 18 - 75

Code: NCT07340320·Phase 2·Recruiting·Listed Jan 2026

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A Study to Test Whether BI 3802876 is Tolerated in People With Compensated Liver Cirrhosis Due to Metabolic Dysfunction- Associated Steatohepatitis (MASH)

for Liver Cirrhosis

Drug: BI 3802876

Sites in Los Angeles, La Mesa +24 more locations

Sponsor: Boehringer Ingelheim

Sex: All·Age: 18 - 75

Code: NCT07325526·Phase 2·Recruiting·Listed Jan 2026

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Parasternal Extravascular ICD System Pivotal Clinical Investigation (ALARION EV) Study

for Ventricular Arrythmia

Sites in La Jolla, Orange +25 more locations

Sponsor: AtaCor Medical, Inc.

Sex: All·Age: 18+

Code: NCT07324031·Recruiting·Listed Jan 2026

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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

Sites in Los Angeles, Fountain Valley +24 more locations

Sponsor: Bayer

Sex: All·Age: 45 - 75

Code: NCT07330258·Recruiting·Listed Jan 2026

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A Study of a Thyroid Hormone Receptor Beta Isoform (THRβ) Agonist and an Semicarbazide Sensitive Amine Oxidase (SSAO) Inhibitor, Alone and in Combination, in Adults With Presumed Metabolic Dysfunction-associated Steatohepatitis (MASH)

for Metabolic Dysfunction-associated Steatohepatitis

Sites in Orange, Long Beach +60 more locations

Sponsor: Eccogene

Sex: All·Age: 18 - 75

Code: NCT07288138·Phase 2·Recruiting·Listed Dec 2025

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Trial Against INtractable Type 2 Diabetes (CAPTAIN-T2D)

for Type 2 Diabetes

Sites in Los Angeles, San Diego +58 more locations

Sponsor: Sparrow Pharmaceuticals

Sex: All·Age: 18+

Code: NCT07296484·Phase 2·Recruiting·Listed Dec 2025

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A Study of Eloralintide (LY3841136) in Participants With Obesity or Overweight, and Type 2 Diabetes

for Overweight

Drug: Eloralintide

Sites in Los Angeles, Long Beach +58 more locations

Sponsor: Eli Lilly and Company

Sex: All·Age: 18+

Code: NCT07282600·Phase 3·Recruiting·Listed Dec 2025

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A Study to Evaluate the Efficacy and Safety of Standard-of-Care Chemotherapy and Bevacizumab With or Without INCA33890 in the First-Line Treatment of Metastatic Microsatellite Stable Colorectal Cancer

for CRC (Colorectal Cancer)

Drug: Bevacizumab

Sites in Los Angeles, Fountain Valley +68 more locations

Sponsor: Incyte Corporation

Sex: All·Age: 18+

Code: NCT07284849·Phase 3·Recruiting·Listed Dec 2025

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A Study to Learn About a Clostridioides Difficile Vaccine in People 65 Years of Age and Older

for Clostridioides Difficile Associated Disease

Sites in Los Angeles, San Diego +133 more locations

Sponsor: Pfizer

Sex: All·Age: 65+·Accepts healthy volunteers

Code: NCT07282665·Phase 3·Recruiting·Listed Dec 2025

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A Study of Imlunestrant (LY3484356) in Premenopausal Women With Estrogen Receptor-Positive (ER+) Human Epidermal Growth Factor Receptor 2 Negative (HER2-) Early Breast Cancer

for Breast Neoplasms

Sites in Los Angeles, Santa Monica +26 more locations

Sponsor: Eli Lilly and Company

Sex: Female·Age: 18+

Code: NCT07287098·Phase 2·Recruiting·Listed Dec 2025

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Symbiotic-Lung-01 : A Study to Learn About the Study Medicine Called PF-08634404 in Combination With Chemotherapy in Adult Participants With Locally Advanced or Metastatic Non-Small Cell Lung Cancer

for Advanced Non-Small Cell Lung Cancer

Drug: PF-08634404

Sites in Los Angeles, Long Beach +191 more locations

Sponsor: Pfizer

Sex: All·Age: 18+

Code: NCT07222566·Phase 3·Recruiting·Listed Oct 2025

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A Chronic Pain Master Protocol (CPMP): A Study of LY4065967 in Participants With Diabetic Peripheral Neuropathic Pain

for Diabetic Peripheral Neuropathic Pain

Drug: LY4065967

Sites in San Diego, Riverside +34 more locations

Sponsor: Eli Lilly and Company

Sex: All·Age: 18+

Code: NCT07285018·Phase 2·Recruiting·Listed Dec 2025

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Symbiotic-GU-08: A Study to Learn About the Medicine Called PF-08634404 Dosed Alone and in Combination With Other Anticancer Therapies in Adults With Locally Advanced or Metastatic Renal Cell Cancer

for Carcinoma, Renal Cell

Drug: PF-08634404

Sites in San Diego, La Jolla +107 more locations

Sponsor: Pfizer

Sex: All·Age: 18+

Code: NCT07227415·Phase 1, Phase 2·Recruiting·Listed Nov 2025

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Study to Assess the Effects of Angiopoietin-like Protein 3 (ANGPTL3) Inhibition in Adult Participants With Diabetic Kidney Disease

for Diabetic Kidney Disease (DKD)

Sites in Huntington Beach, Northridge +55 more locations

Sponsor: Regeneron Pharmaceuticals

Sex: All·Age: 18 - 80

Code: NCT07271186·Phase 2·Recruiting·Listed Dec 2025

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Symbiotic-GI-03: A Study to Learn About the Study Medicine Called PF-08634404 in Combination With Chemotherapy in Adult Participants With Metastatic Colorectal Cancer

for Intestinal Neoplasms

Drug: PF-08634404

Sites in San Francisco, Palo Alto +179 more locations

Sponsor: Pfizer

Sex: All·Age: 18+

Code: NCT07222800·Phase 3·Recruiting·Listed Oct 2025

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A Study Evaluating BFB759 in Moderate to Severe Hidradenitis Suppurativa

for Hidradenitis Suppurativa (HS)

Sites in Santa Monica, Encino +29 more locations

Sponsor: Bluefin Biomedicine, Inc.

Sex: All·Age: 18 - 75

Code: NCT07287644·Phase 2, Phase 3·Recruiting·Listed Dec 2025

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A Study of Amivantamab in Addition to Standard of Care Agents (SOC) Compared With SOC Alone in Participants With Recurrent/Metastatic Head and Neck Cancer

for Squamous Cell Carcinoma of Head and Neck

Drug: Amivantamab

Sites in Los Angeles, Sacramento +43 more locations

Sponsor: Janssen Research & Development, LLC

Sex: All·Age: 18+

Code: NCT07276399·Phase 3·Recruiting·Listed Dec 2025

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Evaluation of Efficacy and Safety of Suzetrigine (SUZ) for Pain Associated With Diabetic Peripheral Neuropathy

for Diabetic Peripheral Neuropathic Pain

Sites in Long Beach, Pasadena +68 more locations

Sponsor: Vertex Pharmaceuticals Incorporated

Sex: All·Age: 18 - 80

Code: NCT07231419·Phase 3·Recruiting·Listed Nov 2025

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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

Sites in Long Beach, Walnut Creek +31 more locations

Sponsor: AbbVie

Sex: All·Age: 18 - 65

Code: NCT07276997·Phase 2·Recruiting·Listed Dec 2025

Apply to this trial