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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Venetoclax for the Treatment of Patients With Relapsed Hairy Cell Leukemia

for Recurrent Hairy Cell Leukemia

Drug: Venetoclax

Sites in Duarte, Irvine +16 more locations

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT06311227·Phase 2·Recruiting·Listed Mar 2024

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BMS-986489 (Atigotatug + Nivolumab) vs Durvalumab in Limited-stage Small-cell Lung Cancer (TIGOS-LS)

for Limited Stage Small Cell Lung Cancer

Drug: Durvalumab

Sites in Santa Barbara +31 more locations

Sponsor: SCRI Development Innovations, LLC

Sex: All·Age: 18+

Code: NCT06773910·Phase 2·Recruiting·Listed Jan 2025

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Risk-adapted, Proteomic-guided Systemic Therapy for Previously Untreated Advanced Non-small Cell Lung Cancer

for Non-small Cell Lung Cancer Stage IIIC

1 location in Sacramento

Sponsor: University of California, Davis

Sex: All·Age: 18+

Code: NCT07250477·Phase 2·Recruiting·Listed Nov 2025

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Phase II Trial Comparison of 3 vs 4 Fractions (BRACHY-FIT).

for Cervical Cancers

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 18+

Code: NCT07022470·Phase 2·Recruiting·Listed Jun 2025

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Colchicine to Reduce Your SympToms And Lower Levels of Inflammation, Zeroing in on Effective CPPD Disease Treatment

for CPPD - Calcium Pyrophosphate Deposition Disease

Sites in Los Angeles +4 more locations

Sponsor: Brigham and Women's Hospital

Sex: All·Age: 40+

Code: NCT06855433·Phase 2·Recruiting·Listed Mar 2025

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Project: Every Child for Younger Patients With Cancer

for Adrenal Gland Pheochromocytoma

Sites in Los Angeles, San Francisco +231 more locations

Sponsor: Children's Oncology Group

Sex: All·Age: Up to 25

Code: NCT02402244·Recruiting·Listed Mar 2015

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A Phase 1b Study of Menin Inhibitor SNDX- 5613 in Combination With Daunorubicin and Cytarabine in Newly Diagnosed Patients With Acute Myeloid Leukemia and NPM1 Mutated/FLT3 Wildtype or MLL/KMT2A Rearranged or NUP98 Alterations Disease

for Acute Myeloid Leukemia

Sites in Orange +19 more locations

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18 - 75

Code: NCT05886049·Phase 1·Recruiting·Listed Jun 2023

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Talquetamab & Lenalidomide as Post Stem Cell Transplant Maintenance in Multiple Myeloma

for Multiple Myeloma

Drug: Talquetamab

1 location in Palo Alto

Sponsor: Stanford University

Sex: All·Age: 18+

Code: NCT06461988·Phase 2·Recruiting·Listed Jun 2024

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Sequential Testosterone and Enzalutamide Prevents Unfavorable Progression

for Castration Resistant Metastatic Prostate Cancer

Sites in San Diego +5 more locations

Sponsor: Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins

Sex: Male·Age: 18 - 90

Code: NCT04363164·Phase 2·Recruiting·Listed Apr 2020

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Testing eSCCIP: An eHealth Psychosocial Intervention for English and Spanish Speaking Parents of Children With Cancer

for Pediatric Cancer

Sites in Los Angeles +2 more locations

Sponsor: Nemours Children's Clinic

Sex: All·Age: All ages·Accepts healthy volunteers

Code: NCT05294302·Recruiting·Listed Mar 2022

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Deep Functional Phenotyping of the ALA Lung Health Cohort

for Lung Diseases

Sites in Los Angeles +11 more locations

Sponsor: Johns Hopkins University

Sex: All·Age: 25 - 35·Accepts healthy volunteers

Code: NCT06177717·Recruiting·Listed Dec 2023

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Comprehensive HHT Outcomes Registry of the United States (CHORUS)

for Hereditary Hemorrhagic Telangiectasia

Sites in Los Angeles, San Francisco +14 more locations

Sponsor: Cure HHT

Sex: All·Age: All ages·Accepts healthy volunteers

Code: NCT06259292·Recruiting·Listed Feb 2024

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Adding Dasatinib Or Venetoclax To Improve Responses In Children With Newly Diagnosed T-Cell Acute Lymphoblastic Leukemia (ALL) Or Lymphoma (T-LLY) Or Mixed Phenotype Acute Leukemia (MPAL)

for T-cell Acute Lymphoblastic Leukemia

Drug: Venetoclax

Sites in San Diego +3 more locations

Sponsor: St. Jude Children's Research Hospital

Sex: All·Age: 1 - 18

Code: NCT06390319·Phase 2·Recruiting·Listed Apr 2024

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Patient Reported Experiences With Sparing External Oblique Fascia Vs Standard Inguinal Orchiectomy

for Testicular Cancer

1 location in Loma Linda

Sponsor: Loma Linda University

Sex: Male·Age: 18+

Code: NCT06828185·Recruiting·Listed Feb 2025

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Nutrition for Precision Health, Powered by the All of Us

for Nutrition

Sites in Los Angeles, Davis +12 more locations

Sponsor: RTI International

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

Code: NCT05701657·Recruiting·Listed Jan 2023

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

for Glioblastoma

Sites in Los Angeles +10 more locations

Sponsor: Memorial Sloan Kettering Cancer Center

Sex: All·Age: 18+

Code: NCT06934889·Phase 1·Recruiting·Listed Apr 2025

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Study of Carboplatin and Mirvetuximab Soravtansine in First-Line Treatment of Patients Receiving Neoadjuvant Chemotherapy With Advanced-Stage Ovarian, Fallopian Tube or Primary Peritoneal Cancer

for Ovarian Cancer

Sites in San Francisco +8 more locations

Sponsor: University of Alabama at Birmingham

Sex: Female·Age: 18+

Code: NCT04606914·Phase 2·Recruiting·Listed Oct 2020

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Identification of Necessary Information for Treatment Induction in Newly Diagnosed Acute Lymphoblastic Leukemia/Lymphoma

for Acute Lymphoblastic Leukemia

Sites in San Diego +4 more locations

Sponsor: St. Jude Children's Research Hospital

Sex: All·Age: 1 - 18

Code: NCT06289673·Phase 4·Recruiting·Listed Mar 2024

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SPECT-CT Guided ELEctive Contralateral Neck Treatment for Patients With Lateralized Oropharyngeal Cancer

for Oropharyngeal Cancer

Sites in Duarte, Corona +21 more locations

Sponsor: Canadian Cancer Trials Group

Sex: All·Age: 18+

Code: NCT05451004·Phase 3·Recruiting·Listed Jul 2022

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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

Sites in Sacramento, La Jolla +36 more locations

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT06287775·Phase 1, Phase 2·Recruiting·Listed Mar 2024

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Trametinib and Everolimus for Treatment of Pediatric and Young Adult Patients With Recurrent Gliomas (PNOC021)

for Recurrent World Health Organization (WHO) Grade II Glioma

Drug: Trametinib

Sites in Los Angeles, San Francisco +13 more locations

Sponsor: University of California, San Francisco

Sex: All·Age: 1 - 25

Code: NCT04485559·Phase 1·Recruiting·Listed Jul 2020

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Venetoclax in Children With Relapsed Acute Myeloid Leukemia (AML)

for Acute Myeloid Leukemia

Drug: Venetoclax

Sites in San Francisco, Orange +43 more locations

Sponsor: PedAL BCU, LLC

Sex: All·Age: 29 Days - 21

Code: NCT05183035·Phase 3·Recruiting·Listed Jan 2022

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Evaluation of A Clinical Diagnostic Test for CRDS

for Calcium Release Deficiency Syndrome (CRDS)

Sites in San Francisco +3 more locations

Sponsor: Population Health Research Institute

Sex: All·Age: All ages

Code: NCT06188689·Recruiting·Listed Jan 2024

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Melatonin Adolescent Research Study

for Sleep Disorders in Children

2 locations in Loma Linda

Sponsor: Loma Linda University

Sex: All·Age: 13 - 17

Code: NCT04588233·Recruiting·Listed Oct 2020

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Immune Cell Therapy (CAR-T) for the Treatment of Patients With HIV and B-Cell Non-Hodgkin Lymphoma

for AIDS-Related Diffuse Large B-cell Lymphoma

Sites in Duarte +6 more locations

Sponsor: AIDS Malignancy Consortium

Sex: All·Age: 18+

Code: NCT05077527·Phase 1·Recruiting·Listed Oct 2021

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Investigating the Mechanisms of the Effects of Psilocybin on Visual Perception and Visual Representations in the Brain

for Perception Disorders

1 location in Berkeley

Sponsor: University of California, Berkeley

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

Code: NCT05265546·Phase 1·Recruiting·Listed Mar 2022

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Conventionally Fractionated vs. Hypofractionated Comprehensive Nodal Irradiation for Breast Cancer Using Pencil Beam Scanning Proton Therapy

for Breast Cancer

Sites in San Diego +8 more locations

Sponsor: Proton Collaborative Group

Sex: Female·Age: 19+

Code: NCT05856773·Phase 3·Recruiting·Listed May 2023

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Oxytocin Pharmacokinetics and Pharmacodynamics

for Post Partum Hemorrhage

Sites in Stanford +1 more location

Sponsor: University of Chicago

Sex: Female·Age: 18 - 50

Code: NCT05488457·Phase 2·Recruiting·Listed Aug 2022

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A Prospective Database of Infants With Cholestasis

for Biliary Atresia

Sites in Los Angeles +8 more locations

Sponsor: Arbor Research Collaborative for Health

Sex: All·Age: Up to 6 Months

Code: NCT00061828·Recruiting·Listed Jun 2003

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Testing the Addition of an Anti-cancer Drug, Selinexor, to the Usual Chemotherapy Treatment (Temozolomide) for Brain Tumors That Have Returned After Previous Treatment

for Recurrent Glioblastoma, IDH-Wildtype

Drug: Selinexor

Sites in Sacramento, La Jolla +27 more locations

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT05432804·Phase 1, Phase 2·Recruiting·Listed Jun 2022

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Clinical Procedures to Support Research in ALS

for Amyotrophic Lateral Sclerosis

Sites in San Francisco, Palo Alto +8 more locations

Sponsor: University of Miami

Sex: All·Age: 18+

Code: NCT03489278·Recruiting·Listed Apr 2018

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Early Detection of Advanced Adenomas and Colorectal Cancer

for Colorectal Cancer

Sites in San Diego & Monrovia

Sponsor: City of Hope Medical Center

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

Code: NCT06342440·Recruiting·Listed Apr 2024

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Prehab and Creatine/Whey Supplementation in Frailty Among Patients With Cirrhosis

for Cirrhosis

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT07029243·Recruiting·Listed Jun 2025

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A Mindfulness-Based Intervention to Reduce Stress Through the Cultivation of Loving-Kindness, Compassion, Joy, and Equanimity in Healthcare Professionals

for Stress (Psychology)

1 location in Los Angeles

Sponsor: University of California, Los Angeles

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

Code: NCT07283744·Recruiting·Listed Dec 2025

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Acupuncture and Chinese Herbal Medicine for Long COVID

for Long COVID

1 location in Whittier

Sponsor: Southern California University of Health Sciences

Sex: All·Age: 18+

Code: NCT07285707·Recruiting·Listed Dec 2025

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A 90 Day, Phase 3,Open Labeled Exploratory Study of RELiZORB

for Short Bowel Syndrome

Sites in Los Angeles +1 more location

Sponsor: Boston Children's Hospital

Sex: All·Age: 2 - 18

Code: NCT03530852·Recruiting·Listed May 2018

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Immunomodulatory Effects of Fasting in Healthy Adults

for Fasting

1 location in Sacramento

Sponsor: University of California, Davis

Sex: All·Age: 20 - 40·Accepts healthy volunteers

Code: NCT05104502·Recruiting·Listed Nov 2021

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Understanding Prefrontal and Medial Temporal Neuronal Responses to Algorithmic Cognitive Variables in Epilepsy Patients

for Epilepsy

Sites in Los Angeles +1 more location

Sponsor: Baylor College of Medicine

Sex: All·Age: 10 - 64

Code: NCT05283811·Recruiting·Listed Mar 2022

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Gender Disparities in Voice Outcomes After Tracheoesophageal Puncture in Total Laryngectomy Patients (UC Davis)

for Speech Disorders

1 location in La Jolla

Sponsor: University of California, Davis

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

Code: NCT05489965·Recruiting·Listed Aug 2022

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A Study of Combination Chemotherapy for Patients With Newly Diagnosed DAWT and Relapsed FHWT

for Anaplastic Kidney Wilms Tumor

Sites in Los Angeles, San Francisco +169 more locations

Sponsor: Children's Oncology Group

Sex: All·Age: Up to 30

Code: NCT04322318·Phase 2·Recruiting·Listed Mar 2020

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