Paid Clinical Trials in California

California has 6,384 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 25, 2026.

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5,286 clinical trials

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Functional Assessment in Liver Transplantation

for End Stage Liver Disease

Sites in San Francisco +7 more locations

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT03228290·Recruiting·Listed Jul 2017

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177^Lu-PSMA-617 in Combination With Sipuleucel-T for the Treatment of Metastatic Castration-Resistant Prostate Cancer

for Metastatic Castration-Resistant Prostate Adenocarcinoma

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: Male·Age: 18+

Code: NCT07219147·Phase 1·Recruiting·Listed Oct 2025

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Pediatric Influence of Cooling Duration on Efficacy in Cardiac Arrest Patients (P-ICECAP)

for Cardiac Arrest, Out-Of-Hospital

Sites in Los Angeles, San Francisco +45 more locations

Sponsor: University of Michigan

Sex: All·Age: 2 Days - 17

Code: NCT05376267·Recruiting·Listed May 2022

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Multisite Inventory of Neonatal-Perinatal Interventions (MINI) Minimum Dataset

for Infant, Extremely Premature

Sites in San Diego, Orange +41 more locations

Sponsor: The University of Texas Health Science Center, Houston

Sex: All·Age: 0 - 1

Code: NCT05685745·Recruiting·Listed Jan 2023

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Phase 3 Study of Teclistamab in Combination With Lenalidomide and Teclistamab Alone Versus Lenalidomide Alone in Participants With Newly Diagnosed Multiple Myeloma as Maintenance Therapy Following Autologous Stem Cell Transplantation

for Multiple Myeloma

Drug: Teclistamab

Sites in Los Angeles, San Diego +39 more locations

Sponsor: European Myeloma Network B.V.

Sex: All·Age: 18+

Code: NCT05243797·Phase 3·Recruiting·Listed Feb 2022

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Pharmacokinetics, Pharmacodynamics, and Safety Profile of Understudied Drugs Administered to Children Per Standard of Care (POPS)

for Coronavirus Infection (COVID-19)

Sites in Los Angeles, Palo Alto +22 more locations

Sponsor: Duke University

Sex: All·Age: 0 - 20·Accepts healthy volunteers

Code: NCT04278404·Recruiting·Listed Feb 2020

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Testing the Addition of Pedmark to Cisplatin Chemotherapy for Reducing Drug-Induced Ear Damage in Men With Stage II-III Metastatic Testicular Germ Cell Tumors

for Hearing Loss

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: Male·Age: 18+

Code: NCT07218913·Phase 1·Recruiting·Listed Oct 2025

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Telemedicine to Support Living Kidney Donor Candidates

for Healthy

1 location in Orange

Sponsor: University of California, Irvine

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

Code: NCT07206069·Recruiting·Listed Oct 2025

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Targeted Treatment for Advanced Non-Small Cell Lung Cancer That Has Increased Copies of the MET Gene (An Expanded Lung-MAP Treatment Trial)

for Lung Non-Small Cell Carcinoma

Sites in San Francisco, Sacramento +241 more locations

Sponsor: SWOG Cancer Research Network

Sex: All·Age: 18+

Code: NCT06116682·Phase 2·Recruiting·Listed Nov 2023

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Prevention of Bleeding in Patients With Moderate and Severe Hemophilia A Playing Sports: A Comparison Between Factor VIII and Emicizumab Prophylaxis

for Hemophilia A

Sites in San Diego, Palo Alto +8 more locations

Sponsor: Wayne State University

Sex: All·Age: 6 - 19

Code: NCT05022459·Recruiting·Listed Aug 2021

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Testing Lutetium Lu 177 Dotatate in Patients With Somatostatin Receptor Positive Advanced Bronchial Neuroendocrine Tumors

for Advanced Lung Neuroendocrine Tumor

Sites in Los Angeles, San Francisco +23 more locations

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT04665739·Phase 2·Recruiting·Listed Dec 2020

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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·Listed Dec 2025

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Naxitamab Added to Induction for Newly Diagnosed High-Risk Neuroblastoma

for Neuroblastoma

Sites in San Diego, Oakland +17 more locations

Sponsor: Giselle Sholler

Sex: All·Age: 12 Months - 21

Code: NCT05489887·Phase 2·Recruiting·Listed Aug 2022

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PREVENT ALL ALS Study

for Amyotrophic Lateral Sclerosis

Sites in San Francisco, La Jolla +29 more locations

Sponsor: St. Joseph's Hospital and Medical Center, Phoenix

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

Code: NCT06581861·Recruiting·Listed Sep 2024

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A Vaccine (CMV-MVA Triplex Vaccine) for the Enhancement of CMV-Specific Immunity and the Prevention of CMV Viremia in Patients Undergoing Haploidentical Hematopoietic Stem Cell Transplant

for Accelerated Phase Chronic Myeloid Leukemia, BCR-ABL1 Positive

Sites in Duarte +2 more locations

Sponsor: City of Hope Medical Center

Sex: All·Age: 18 - 75·Accepts healthy volunteers

Code: NCT07020533·Phase 1·Recruiting·Listed Jun 2025

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ERAS-801 for the Treatment of Resectable and Progressive or Recurrent or Elderly Newly Diagnosed IDH Wildtype Grade IV Glioblastoma or Gliosarcoma With an EGFR Amplification or Mutation, ERAS801-SARG Trial

for Glioblastoma

Sites in Los Angeles +1 more location

Sponsor: Jonsson Comprehensive Cancer Center

Sex: All·Age: 18+

Code: NCT07089641·Phase 1·Recruiting·Listed Jul 2025

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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·Listed Dec 2025

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Optimizing Brain Excitability in Depression

for Major Depressive Disorder

Sites in Stanford & Iowa City

Sponsor: Stanford University

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

Code: NCT07242105·Recruiting·Listed Nov 2025

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Gauging Outcomes of Total Milk Ingestion on Lipid and gControl

for Heart Diseases

1 location in San Francisco

Sponsor: University of California, San Francisco

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

Code: NCT07087184·Recruiting·Listed Jul 2025

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A Registry for People With Lung Cancer

for Lung Cancer

Sites in San Diego +15 more locations

Sponsor: Memorial Sloan Kettering Cancer Center

Sex: All·Age: 18+

Code: NCT06424327·Recruiting·Listed May 2024

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Testing Atezolizumab With Selinexor in People ≥ 12 Years Old With Alveolar Soft Part Sarcoma, AXIOM Trial

for Advanced Alveolar Soft Part Sarcoma

Drug: Atezolizumab

Sites in Los Angeles +9 more locations

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 12+

Code: NCT05333458·Phase 2·Recruiting·Listed Apr 2022

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Testing the Addition of a New Anti-cancer Drug, M3814 (Peposertib), to the Usual Radiotherapy in Patients With Locally Advanced Pancreatic Cancer

for Locally Advanced Pancreatic Adenocarcinoma

Drug: Peposertib

Sites in Sacramento, Duarte +26 more locations

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT04172532·Phase 1, Phase 2·Recruiting·Listed Nov 2019

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Decolonization to Reduce After-Surgery Events of Surgical Site Infection

for Surgical Site Infection

Sites in San Francisco, Sacramento +2 more locations

Sponsor: University of California, Irvine

Sex: All·Age: 18+

Code: NCT05586776·Phase 4·Recruiting·Listed Oct 2022

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DCIS: RECAST Trial Ductal Carcinoma In Situ: Re-Evaluating Conditions for Active Surveillance Suitability as Treatment

for Ductal Carcinoma in Situ

Sites in Los Angeles, San Francisco +23 more locations

Sponsor: QuantumLeap Healthcare Collaborative

Sex: Female·Age: 18+

Code: NCT06075953·Phase 2·Recruiting·Listed Oct 2023

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Streamlined Treatment of Pulmonary Exacerbations in Pediatrics

for Cystic Fibrosis

Sites in Los Angeles, San Diego +29 more locations

Sponsor: University of Washington, the Collaborative Health Studies Coordinating Center

Sex: All·Age: 3 - 18

Code: NCT06654752·Recruiting·Listed Oct 2024

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Combination Therapy for the Treatment of Diffuse Midline Gliomas

for Diffuse Intrinsic Pontine Glioma

Sites in Los Angeles, San Francisco +17 more locations

Sponsor: University of California, San Francisco

Sex: All·Age: 2 - 39

Code: NCT05009992·Phase 2·Recruiting·Listed Aug 2021

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Multisite Advancement of Research on Chronic Posttraumatic Headache

for Posttraumatic Headache

Sites in Los Angeles, Palo Alto +4 more locations

Sponsor: The University of Texas Health Science Center at San Antonio

Sex: All·Age: 18 - 70

Code: NCT05620719·Recruiting·Listed Nov 2022

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A Randomized Phase 1/2 Trial of Low Dose Anti-thymocyte Globulin (ATG) With Subsequent Adalimumab or Verapamil in New Onset Type 1 Diabetes

for Type 1 Diabetes

Drug: Adalimumab

Sites in San Francisco +10 more locations

Sponsor: City of Hope Medical Center

Sex: All·Age: 9 - 20

Code: NCT07061574·Phase 1, Phase 2·Recruiting·Listed Jul 2025

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Mechanistic and Clinical Outcomes of a Surgical Innovation Aimed at Minimizing GERD Associated With VSG (INNOVATE-VSG)

for Obesity

Sites in San Diego & Orange

Sponsor: University of California, Irvine

Sex: All·Age: 18 - 65

Code: NCT06783751·Recruiting·Listed Jan 2025

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Final Prototype Refinement of Adaptive Cell Phone Support

for Medication Adherence

1 location in Los Angeles

Sponsor: Children's Hospital Los Angeles

Sex: All·Age: 15 - 20

Code: NCT07084155·Recruiting·Listed Jul 2025

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Testing the Addition of an Anti-Cancer Drug, TRC102, to the Usual Chemotherapy Treatment (Pemetrexed, Cisplatin or Carboplatin) During Radiation Therapy for Stage III Non-Squamous Non-Small Cell Lung Cancer

for Lung Adenocarcinoma

Sites in Los Angeles, Duarte +28 more locations

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT05198830·Phase 2·Recruiting·Listed Jan 2022

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Testing Proton Craniospinal Radiation Therapy Versus the Usual Radiation Therapy for Leptomeningeal Metastasis, RADIATE-LM Trial

for Anatomic Stage IV Breast Cancer AJCC v8

Sites in San Diego, La Jolla +56 more locations

Sponsor: NRG Oncology

Sex: All·Age: 18+

Code: NCT06500481·Phase 3·Recruiting·Listed Jul 2024

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Transpyloric Versus Gastric Feeding in Bronchopulmonary Dysplasia

for Bronchopulmonary Dysplasia

Sites in Palo Alto +3 more locations

Sponsor: Children's Hospital of Philadelphia

Sex: All·Age: 1 Month - 12 Months

Code: NCT06534359·Recruiting·Listed Aug 2024

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Precision-Based Genomics in Prostate Cancer

for Prostate Cancer

Sites in San Francisco, La Jolla +9 more locations

Sponsor: National Cancer Institute (NCI)

Sex: Male·Age: 18+

Code: NCT04706663·Recruiting·Listed Jan 2021

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Primary Sclerosing Cholangitis in Children

for Primary Sclerosing Cholangitis

Sites in Los Angeles +8 more locations

Sponsor: Arbor Research Collaborative for Health

Sex: All·Age: 2 - 25

Code: NCT04181138·Recruiting·Listed Nov 2019

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Prevention of Ototoxicity in NTM Patients Treated With IV Amikacin

for Ototoxicity, Drug-Induced

Sites in San Francisco +7 more locations

Sponsor: Kevin Winthrop

Sex: All·Age: 18 - 80

Code: NCT05730283·Phase 2·Recruiting·Listed Feb 2023

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Testing the Combination of the Anti-Cancer Drugs Temozolomide and M1774 to Evaluate Their Safety and Effectiveness

for Advanced Malignant Solid Neoplasm

Sites in Orange, Irvine +13 more locations

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT05691491·Phase 1, Phase 2·Recruiting·Listed Jan 2023

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Evaluating the Efficacy of Force Modulating Tissue Bridge Device in Preventing Hypertrophic Scars Following Gender-Affirming Mastectomy

for Gender Dysphoria

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 19+·Accepts healthy volunteers

Code: NCT07147166·Recruiting·Listed Aug 2025

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Implementation and Interaction of Clinician And Patient-facing Tools Aiming to Intensify Neurohormonal Medicines for Heart Failure

for Heart Failure With Reduced Ejection Fraction

Sites in Walnut Creek +4 more locations

Sponsor: University of Colorado, Denver

Sex: All·Age: 18+

Code: NCT06526988·Recruiting·Listed Jul 2024

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Kidney Transplantation From Donors With HIV: Impact on Rejection and Long-Term Outcomes (Expanding HOPE Kidney)

for Hiv

Sites in San Francisco, San Diego +16 more locations

Sponsor: Johns Hopkins University

Sex: All·Age: 18+

Code: NCT06263426·Recruiting·Listed Feb 2024

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