Paid Clinical Trials in California

California has 6,520 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 19, 2026.

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6,520 clinical trials

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Primary Care Referrals to a Remotely Delivered Physical Activity Intervention for Latina Teens: Chicas Fuertes 2

for Physical Activity

1 location in La Jolla

Sponsor: University of California, San Diego

Sex: Female·Age: 13 - 17

Code: NCT06595056·Enrolling By Invitation

Naltrexone for Overdose Prevention

for Overdose Accidental

1 location in San Francisco

Sponsor: University of California, San Francisco

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

Code: NCT06633900·Phase 2, Phase 3·Recruiting

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A Study of BGB-16673 Compared to Investigator's Choice in Participants With Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma Previously Exposed to Both Bruton Tyrosine Kinase (BTK) and B-cell Leukemia/Lymphoma 2 Protein (BCL2) Inhibitors

for CLL

21 locations incl. Jonesboro

Sponsor: BeOne Medicines

Sex: All·Age: 18+

Code: NCT06846671·Phase 3·Recruiting

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A Global Phase III Study of Rilvegostomig or Pembrolizumab Monotherapy for First-Line Treatment of PD-L1-high Metastatic Non-small Cell Lung Cancer

for Carcinoma, Non-Small Cell Lung

Drug: Rilvegostomig

37 locations incl. La Mesa

Sponsor: AstraZeneca

Sex: All·Age: 18+

Code: NCT06868277·Phase 3·Recruiting

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An Efficacy and Safety Study of Clemizole HCl in Patients With Lennox-Gastaut Syndrome

for Lennox Gastaut Syndrome

20 locations incl. Little Rock

Sponsor: Epygenix

Sex: All·Age: 2 - 55

Code: NCT05066217·Phase 3·Recruiting

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Maralixibat in Patients With Cystic Fibrosis and Constipation

for Constipation Chronic Idiopathic

1 location in Los Angeles

Sponsor: Children's Hospital Los Angeles

Sex: All·Age: 1 - 18

Code: NCT06413368·Phase 2, Phase 3·Recruiting

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Tissue Reinforcement for Breast Reconstruction (TRBR) Pivotal Clinical Study (REDEFINE)

for Breast Reconstruction Surgery

20 locations incl. Scottsdale

Sponsor: W.L.Gore & Associates

Sex: Female·Age: 22+

Code: NCT06556654·Recruiting

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A Study Evaluating the Efficacy and Safety of Inavolisib Plus CDK4/6 Inhibitor and Letrozole vs Placebo + CDK4/6i and Letrozole in Participants With Endocrine-Sensitive PIK3CA-Mutated, Hormone Receptor-Positive, HER2-Negative Advanced Breast Cancer

for Breast Cancer

51 locations incl. Phoenix

Sponsor: Hoffmann-La Roche

Sex: All·Age: 18+

Code: NCT06790693·Phase 3·Recruiting

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Long-Term Safety and Efficacy of Plozasiran in Adults With Hypertriglyceridemia

for Hypertriglyceridemia

Drug: Plozasiran

76 locations incl. Bakersfield

Sponsor: Arrowhead Pharmaceuticals

Sex: All·Age: 18+

Code: NCT06822790·Phase 3·Recruiting

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The DIAGNOSE CTE Research Project-II

for Chronic Traumatic Encephalopathy (CTE)

5 locations incl. Phoenix

Sponsor: Boston University

Sex: Male·Age: 50+·Accepts healthy volunteers

Code: NCT06860828·Enrolling By Invitation

Suramin for the Treatment of Autism Trial: KZ101 in a Male Pediatric Population With Autism Spectrum Disorder (ASD)

for Autism Spectrum Disorder (ASD)

3 locations incl. Phoenix

Sponsor: Children's Hospital of Orange County

Sex: Male·Age: 5 - 14

Code: NCT06866275·Phase 2·Recruiting

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A Study of Efimosfermin Alfa in Participants With Biopsy-confirmed Cirrhosis (Compensated) Due to MASH

for Metabolic Dysfunction-Associated Steatohepatitis

35 locations incl. Chandler

Sponsor: Boston Pharmaceuticals

Sex: All·Age: 18 - 75

Code: NCT06920043·Phase 2·Recruiting

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A Phase 2 Study of the Safety and Efficacy of Brepocitinib in Adults With Cutaneous Sarcoidosis (BEACON)

for Cutaneous Sarcoidosis

4 locations incl. San Francisco

Sponsor: Priovant Therapeutics, Inc.

Sex: All·Age: 18 - 75

Code: NCT06978725·Phase 2·Recruiting

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Combined STN and NBM Deep Brain Stimulation for Mild Cognitive Impairment in Parkinson's Disease

for Parkinson's Disease

1 location in Stanford

Sponsor: Helen M. Bronte-Stewart

Sex: All·Age: 21 - 80

Code: NCT05968703·Recruiting

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Testing the Combination of an Anti-cancer Drug, Iadademstat, With Other Anti-cancer Drugs (Atezolizumab or Durvalumab) at Improving Outcomes for Small Cell Lung Cancer

for Extensive Stage Lung Small Cell Carcinoma

Drug: Atezolizumab

43 locations incl. Duarte

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT06287775·Phase 1, Phase 2·Recruiting

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Study to Evaluate the Effectiveness and Safety of Ozanimod Compared to Fingolimod in Children and Adolescents With Relapsing Remitting Multiple Sclerosis

for Multiple Sclerosis, Relapsing-Remitting

12 locations incl. Loma Linda

Sponsor: Bristol-Myers Squibb

Sex: All·Age: 10 - 17

Code: NCT06408259·Phase 3·Recruiting

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CGM for Management of Type 2 Diabetes in Pregnancy

for Type 2 Diabetes Mellitus (T2DM)

7 locations incl. Birmingham

Sponsor: University of Alabama at Birmingham

Sex: Female·Age: 18 - 50

Code: NCT06628453·Recruiting

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NG-350A Plus Chemoradiotherapy for Locally Advanced Rectal Cancer

for Locally Advanced Rectal Cancer (LARC)

5 locations incl. Los Angeles

Sponsor: Akamis Bio

Sex: All·Age: 18+

Code: NCT06459869·Phase 1·Recruiting

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Wearable Activity Tracking to Curb Hospitalizations

for Hematopoietic Neoplasm

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT06587100·Recruiting

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Accountability Support Through Peer-Inspired Relationships and Engagement (ASPIRE) Trial

for Alcohol Consumption

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 18 - 25

Code: NCT06617702·Recruiting

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AMX0114 in Adult Participants With Amyotrophic Lateral Sclerosis

for ALS

10 locations incl. La Jolla

Sponsor: Amylyx Pharmaceuticals Inc.

Sex: All·Age: 18+

Code: NCT06665165·Phase 1·Recruiting

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CardiolRx in Recurrent Pericarditis (MAVERIC Phase-3)

for Recurrent Pericarditis

21 locations incl. Phoenix

Sponsor: Cardiol Therapeutics Inc.

Sex: All·Age: 18+

Code: NCT06708299·Phase 3·Recruiting

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Enfortumab Vedotin Plus Pembrolizumab With Selective Bladder Sparing for Treatment of Muscle-invasive Bladder Cancer

for Muscle Invasive Bladder Urothelial Carcinoma

5 locations incl. Duarte

Sponsor: Matthew Galsky

Sex: All·Age: 18+

Code: NCT06809140·Phase 2·Recruiting

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Papaverine in Combination With Radiation Therapy for the Treatment of Locally Advanced Rectal Cancer, DINOMITE Trial

for Locally Advanced Rectal Adenocarcinoma

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT06834126·Phase 1·Recruiting

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CER-1236 in Patients With Acute Myeloid Leukemia (AML), Myelodysplastic Syndrome (MDS), and Myelofibrosis (MF)

for AML

4 locations incl. Sacramento

Sponsor: CERo Therapeutics Holdings, Inc.

Sex: All·Age: 18 - 85

Code: NCT06834282·Phase 1·Recruiting

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Staged Kidney Transplantation During Combined Heart/Kidney Transplantation

for Heart Failure

1 location in Los Angeles

Sponsor: Cedars-Sinai Medical Center

Sex: All·Age: 18+

Code: NCT06877169·Recruiting

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A Study to Assess the Pharmacokinetics and Safety of Bimekizumab in Children and Adolescents With Moderate to Severe Hidradenitis Suppurativa

for Hidradenitis Suppurativa

Drug: Bimekizumab

12 locations incl. Phoenix

Sponsor: UCB Biopharma SRL

Sex: All·Age: 9 - 17

Code: NCT06921850·Phase 3·Recruiting

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Study of ABBV-637 or ABBV-155 With ERAS-801 for People With Glioblastoma

for Glioblastoma

11 locations incl. Los Angeles

Sponsor: Memorial Sloan Kettering Cancer Center

Sex: All·Age: 18+

Code: NCT06934889·Phase 1·Recruiting

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Integrating Systems and Basic Income: Improving Outcomes for Families of Young Children

for Income

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 0 Days+

Code: NCT07261254·Recruiting

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FORWARD CAD IDE Study

for Coronary Arterial Disease (CAD)

28 locations incl. La Jolla

Sponsor: Shockwave Medical, Inc.

Sex: All·Age: 18+

Code: NCT06662500·Recruiting

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Study of Sacituzumab Govitecan Versus Standard of Care in Participants With Previously Treated Extensive Stage Small Cell Lung Cancer

for Extensive Stage Small Cell Lung Cancer (ES-SCLC)

19 locations incl. Hot Springs

Sponsor: Gilead Sciences

Sex: All·Age: 18+

Code: NCT06801834·Phase 3·Recruiting

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Enhancing Digitally Delivered Diabetes Education With Real-Time CGM

for Diabetes Type 2

1 location in San Diego

Sponsor: Scripps Whittier Diabetes Institute

Sex: All·Age: 18+

Code: NCT06296550·Recruiting

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Study of ECI830 Single Agent or in Combination in Patients With Advanced HR+/HER2- Breast Cancer and Other Advanced Solid Tumors

for Advanced HR+/HER2- Breast Cancer

8 locations incl. Los Angeles

Sponsor: Novartis Pharmaceuticals

Sex: All·Age: 18 - 100

Code: NCT06726148·Phase 1, Phase 2·Recruiting

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LDL-C Optimization Using Inclisiran in Patients in Which Drug-Drug Interactions Limit LDL Lowering

for Drug Interactions

Drug: Inclisiran

1 location in La Jolla

Sponsor: University of California, San Diego

Sex: All·Age: 18 - 85

Code: NCT06865885·Phase 4·Recruiting

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Sacroiliac (SI) Joint Transfixing and Fusion: Meaningful Long Term Outcomes With Nevro1

for Sacroiliac Joint Dysfunction

5 locations incl. Lodi

Sponsor: Nevro Corp

Sex: All·Age: 21+

Code: NCT06909292·Recruiting

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A Study of Tacrolimus/Methotrexate/Ruxolitinib Versus Post-Transplant Cyclophosphamide/Tacrolimus/Mycophenolate Mofetil in Non-Myeloablative/Reduced Intensity Conditioning Allogeneic Peripheral Blood Stem Cell Transplantation (BMT CTN 2203)

for Graft-versus-host Disease (GVHD)

Drug: Ruxolitinib

30 locations incl. Palo Alto

Sponsor: Incyte Corporation

Sex: All·Age: 18+

Code: NCT06615050·Phase 3·Recruiting

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A Study to Compare the Efficacy and Safety of TachoSil and Surgicel Original as an Adjunct to Control Mild to Moderate Soft Tissue Bleeding During Surgery

for Hemorrhage

9 locations incl. Torrance

Sponsor: Corza Medical GmbH

Sex: All·Age: 1 Month+

Code: NCT06664775·Phase 3·Recruiting

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Clinical Translation of a Novel Brain PET Insert for Simultaneous PET/MR

for Brain Disease

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 21+·Accepts healthy volunteers

Code: NCT04383808·Recruiting

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Vibrotactile Coordinated Reset (VCR): A Treatment for Early Stage Parkinson's Disease

for Parkinson Disease

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 18+

Code: NCT05545826·Not Yet Recruiting

In-patient SCC TMS

for Major Depressive Disorder

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: All·Age: 18 - 65

Code: NCT05645575·Recruiting

Apply to this trial