Paid Clinical Trials in California

California has 6,346 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: September 8, 2026.

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5,270 clinical trials

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Study of BB-031 in Acute Ischemic Stroke Patients (RAISE)

for Acute Ischemic Stroke

Sites in Torrance +10 more locations

Sponsor: Basking Biosciences, Inc.

Sex: All·Age: 18+

Code: NCT06226805·Phase 2·Recruiting·Listed Jan 2024

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QTX3034 in Patients With KRAS G12D Mutation

for Solid Tumors

Sites in Los Angeles +13 more locations

Sponsor: Quanta Therapeutics

Sex: All·Age: 18+

Code: NCT06227377·Phase 1·Recruiting·Listed Jan 2024

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A Window of Opportunity Trial to Learn if Linvoseltamab is Safe and Well Tolerated, and How Well it Works in Adult Participants With Recently Diagnosed Multiple Myeloma Who Have Not Already Received Treatment

for Multiple Myeloma

Drug: Linvoseltamab

Sites in Los Angeles, Orange +11 more locations

Sponsor: Regeneron Pharmaceuticals

Sex: All·Age: 18+

Code: NCT05828511·Phase 1, Phase 2·Recruiting·Listed Apr 2023

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A Study of Vedolizumab in Children and Teenagers With Moderate to Severe Crohn's Disease (CD)

for Crohn's Disease (CD)

Sites in San Diego +14 more locations

Sponsor: Takeda

Sex: All·Age: 2 - 17

Code: NCT04779320·Phase 3·Recruiting·Listed Mar 2021

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Phase I Clinical Study To Evaluate Pharmacokinetic Profile, Safety, Efficacy and Immunogenicity Of Ipilimumab Biosimilar HLX13 Vs. YERVOY® (US-Sourced YERVOY®) As A First-Line Treatment For Patients With Unresectable Hepatocellular Carcinoma

for Hepatocellular Carcinoma (HCC)

Drug: Ipilimumab

Sites in Glendale +10 more locations

Sponsor: Shanghai Henlius Biotech

Sex: All·Age: 18 - 65

Code: NCT07176650·Phase 1·Recruiting·Listed Sep 2025

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Study of PF-07248144 in Advanced or Metastatic Solid Tumors

for Locally Advanced or Metastatic ER+ HER2- Breast Cancer

Sites in Los Angeles, San Francisco +19 more locations

Sponsor: Pfizer

Sex: All·Age: 18+

Code: NCT04606446·Phase 2·Recruiting·Listed Oct 2020

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ConTTRibute: A Global Observational Study of Patients With Transthyretin (TTR)-Mediated Amyloidosis (ATTR Amyloidosis)

for Transthyretin-Mediated Amyloidosis

Sites in Los Angeles, La Jolla +10 more locations

Sponsor: Alnylam Pharmaceuticals

Sex: All·Age: All ages

Code: NCT04561518·Recruiting·Listed Sep 2020

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Acellular Dermal Matrix Investigation in Breast Reconstruction

for Breast Reconstruction

Sites in Duarte +12 more locations

Sponsor: RTI Surgical

Sex: Female·Age: 22+·Accepts healthy volunteers

Code: NCT06456554·Recruiting·Listed Jun 2024

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Safety and Effectiveness of Giroctocogene Fitelparvovec or Fidanacogene Elaparvovec in Patients With Hemophilia A or B Respectively

for Hemophilia A

Sites in San Francisco, Sacramento +11 more locations

Sponsor: Pfizer

Sex: Male·Age: 18+

Code: NCT05568719·Phase 3·Recruiting·Listed Oct 2022

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Placebo-Controlled Trial of IFx-Hu2.0 Followed By Pembrolizumab In Checkpoint Inhibitor Naïve Participants With Advanced Or Metastatic Merkel Cell Carcinoma

for Advanced Or Metastatic Merkel Cell Carcinoma

Sites in Los Angeles, San Francisco +16 more locations

Sponsor: TuHURA Biosciences, Inc.

Sex: All·Age: 18+

Code: NCT06947928·Phase 2, Phase 3·Recruiting·Listed Apr 2025

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A Study to Investigate the Safety and Efficacy of NST-628 Oral Tablets in Subjects With Solid Tumors

for Oncology

Sites in San Francisco +12 more locations

Sponsor: Nested Therapeutics, Inc

Sex: All·Age: 18+

Code: NCT06326411·Phase 1·Recruiting·Listed Mar 2024

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A Study of TTI-101 as Monotherapy and in Combination in Participants With Locally Advanced or Metastatic, and Unresectable Hepatocellular Carcinoma

for Hepatocellular Carcinoma

Sites in Los Angeles, Orange +16 more locations

Sponsor: Tvardi Therapeutics, Incorporated

Sex: All·Age: 18+

Code: NCT05440708·Phase 1, Phase 2·Recruiting·Listed Jul 2022

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DB-1311 in Combination With BNT327 or DB-1305 in Advanced/Metastatic Solid Tumors

for Solid Tumors

Sites in Los Angeles +14 more locations

Sponsor: DualityBio Inc.

Sex: All·Age: 18+

Code: NCT06953089·Phase 2·Recruiting·Listed May 2025

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An Open-Label Pilot Study of VTX2735 in Recurrent Pericarditis

for Recurrent Pericarditis

Sites in Orange +13 more locations

Sponsor: Zomagen Biosciences Ltd.

Sex: All·Age: 18 - 75

Code: NCT06836232·Phase 2·Recruiting·Listed Feb 2025

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Clinical Trial Evaluating the Safety and Efficacy of Nucleus Pulposus Allograft in Participants With Degenerative Disc Disease

for Degenerative Disc Disease

Sites in Santa Monica, Napa +17 more locations

Sponsor: VIVEX Biologics, Inc.

Sex: All·Age: 22 - 85

Code: NCT06778447·Recruiting·Listed Jan 2025

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A Long-Term Study to Learn About The Study Medicine Called Ritlecitinib in Children With Severe Alopecia Areata.

for Severe Alopecia Areata

Drug: Ritlecitinib

Sites in Encinitas +17 more locations

Sponsor: Pfizer

Sex: All·Age: 6 - 14

Code: NCT07029828·Phase 3·Recruiting·Listed Jun 2025

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A Study of DB-1310 in Advanced/Metastatic Solid Tumors

for Advanced Solid Tumor

Sites in Sacramento, Santa Monica +10 more locations

Sponsor: DualityBio Inc.

Sex: All·Age: 18+

Code: NCT05785741·Phase 1, Phase 2·Recruiting·Listed Mar 2023

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AMX0114 in Adult Participants With Amyotrophic Lateral Sclerosis

for ALS

Sites in La Jolla +9 more locations

Sponsor: Amylyx Pharmaceuticals Inc.

Sex: All·Age: 18+

Code: NCT06665165·Phase 1·Recruiting·Listed Oct 2024

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A Study of TAK-411 in Adults With Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP)

for Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP)

Sites in San Francisco, La Jolla +11 more locations

Sponsor: Takeda

Sex: All·Age: 18+

Code: NCT06798012·Phase 2·Recruiting·Listed Jan 2025

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A Trial to Find Out if REGN4336 is Safe and How Well it Works Alone and in Combination With REGN5678 for Adult Participants With Advanced Prostate Cancer

for Metastatic Castration-resistant Prostate Cancer

Sites in Palo Alto +12 more locations

Sponsor: Regeneron Pharmaceuticals

Sex: Male·Age: 18+

Code: NCT05125016·Phase 1, Phase 2·Recruiting·Listed Nov 2021

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EXpanding Prenatal Cell Free DNA Screening Across moNogenic Disorders (EXPAND)

for Single Gene NIPT

Sites in Los Angeles, San Francisco +16 more locations

Sponsor: Natera, Inc.

Sex: All·Age: 18+

Code: NCT06808880·Recruiting·Listed Feb 2025

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A Study of YL201 in Patients With Advanced Solid Tumors

for Advanced Solid Tumor

Sites in La Jolla, Fair Oaks +17 more locations

Sponsor: MediLink Therapeutics (Suzhou) Co., Ltd.

Sex: All·Age: 18+

Code: NCT05434234·Phase 1, Phase 2·Recruiting·Listed Jun 2022

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Study to Evaluate Sotatercept (MK-7962) in Children With Pulmonary Arterial Hypertension (PAH) (MK-7962-008)

for Pulmonary Arterial Hypertension

Sites in Los Angeles, San Francisco +7 more locations

Sponsor: Merck Sharp & Dohme LLC

Sex: All·Age: 1 - 17

Code: NCT05587712·Phase 2·Recruiting·Listed Oct 2022

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A Study to Assess the Efficacy and Safety of Efgartigimod IV in Adult Participants With Primary Immune Thrombocytopenia

for Primary Immune Thrombocytopenia (ITP)

Sites in Los Angeles, Oceanside +15 more locations

Sponsor: argenx

Sex: All·Age: 18+

Code: NCT06544499·Phase 3·Recruiting·Listed Aug 2024

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Study of Reformulated Levulan Kerastick Plus PDT for Actinic Keratosis on Upper Extremities

for Actinic Keratosis

Sites in Fremont +19 more locations

Sponsor: Sun Pharmaceutical Industries, Inc.

Sex: All·Age: 18 - 85

Code: NCT07144852·Phase 3·Recruiting·Listed Aug 2025

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A Multi-phase Study of ASTX030 (Azacitidine and Cedazuridine) in Myeloid Neoplasm Alone or in Combination With Venetoclax in AML (AZTOUND Study)

for Myelodysplastic Syndromes

Drug: Venetoclax

Sites in Los Angeles, Orange +20 more locations

Sponsor: Taiho Oncology, Inc.

Sex: All·Age: 18+

Code: NCT04256317·Phase 2, Phase 3·Recruiting·Listed Feb 2020

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Bronchoscopic RElease of Air Trapped in Hyperinflated Emphysematous Lung - Study 3

for COPD

Sites in Sacramento +17 more locations

Sponsor: Apreo Health, Inc.

Sex: All·Age: 40 - 84

Code: NCT06891755·Recruiting·Listed Mar 2025

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Study of Reformulated Levulan Kerastick Plus PDT for Actinic Keratosis on Face and Scalp

for Actinic Keratosis

Sites in Fremont +9 more locations

Sponsor: Sun Pharmaceutical Industries, Inc.

Sex: All·Age: 18 - 85

Code: NCT07144345·Phase 3·Recruiting·Listed Aug 2025

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Study to Evaluate Efficacy and Safety of Inclisiran in Children With Heterozygous Familial Hypercholesterolemia

for Familial Hypercholesterolemia - Heterozygous

Drug: Inclisiran

Sites in San Francisco +10 more locations

Sponsor: Novartis Pharmaceuticals

Sex: All·Age: 6 - 11

Code: NCT06597019·Phase 3·Recruiting·Listed Sep 2024

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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

Sites in Sacramento, Loma Linda +7 more locations

Sponsor: Bristol-Myers Squibb

Sex: All·Age: 10 - 17

Code: NCT06408259·Phase 3·Recruiting·Listed May 2024

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The OPAL Study: AVM0703 for Treatment of Lymphoid Malignancies

for Lymphoid Malignancies

Sites in Los Angeles, Duarte +9 more locations

Sponsor: AVM Biotechnology Inc

Sex: All·Age: 12 - 95

Code: NCT04329728·Phase 1, Phase 2·Recruiting·Listed Apr 2020

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A Randomized Study of XEN1101 Versus Placebo in Focal-Onset Seizures (X-TOLE3)

for Focal Onset Seizures

Sites in Los Angeles, Orange +15 more locations

Sponsor: Xenon Pharmaceuticals Inc.

Sex: All·Age: 18+

Code: NCT05716100·Phase 3·Recruiting·Listed Feb 2023

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Study to Evaluate Subcutaneous (SC) VGA039 in Patients With Von Willebrand Disease (VWD)

for Von Willebrand Disease (VWD)

Sites in Los Angeles, San Francisco +9 more locations

Sponsor: Vega Therapeutics, Inc

Sex: All·Age: 12 - 75

Code: NCT07115004·Phase 3·Recruiting·Listed Aug 2025

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Safety and Tolerability of TNG456 Alone and in Combination With Abemaciclib in Patients With Solid Tumors With MTAP Loss

for Non Small Cell Lung Cancer

Sites in Los Angeles, San Francisco +13 more locations

Sponsor: Tango Therapeutics, Inc.

Sex: All·Age: 18+

Code: NCT06810544·Phase 1, Phase 2·Recruiting·Listed Feb 2025

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Safety and Efficacy of Endovascular Treatment of Intracranial Aneurysms With Surpass Elite With GUARDian Flow Diverter (GUARD)

for Aneurysm

Sites in Palo Alto, Davis +8 more locations

Sponsor: Stryker Neurovascular

Sex: All·Age: 18 - 80

Code: NCT06872684·Recruiting·Listed Mar 2025

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Evexomostat Plus PI3K or AKT Inhibitor and Fulvestrant in Patients With a PI3K Alteration and HR+/Her2- Breast Cancer

for HR+/HER2-negative Breast Cancer

Sites in San Diego, Loma Linda +8 more locations

Sponsor: SynDevRx, Inc.

Sex: All·Age: 18+

Code: NCT05455619·Phase 1, Phase 2·Recruiting·Listed Jul 2022

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A Study of Vosoritide Versus Placebo in Children With Hypochondroplasia Aged 0 to < 36 Months

for Hypochondroplasia

Drug: Vosoritide

Sites in Los Angeles, Oakland +8 more locations

Sponsor: BioMarin Pharmaceutical

Sex: All·Age: 0 Months - 36 Months

Code: NCT07126262·Phase 2·Recruiting·Listed Aug 2025

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Soquelitinib vs Standard of Care in Participants With Relapsed/Refractory Peripheral T-cell Lymphoma Not Otherwise Specified, Follicular Helper T-cell Lymphomas, or Systemic Anaplastic Large-cell Lymphoma

for Peripheral T-Cell Lymphoma, Not Otherwise Specified

Drug: Soquelitinib

Sites in San Francisco, Duarte +19 more locations

Sponsor: Corvus Pharmaceuticals, Inc.

Sex: All·Age: 18+

Code: NCT06561048·Phase 3·Recruiting·Listed Aug 2024

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A Study Evaluating FMC-376 in Participants With KRAS G12C Mutated Solid Tumors

for Advanced Solid Tumors With KRAS G12C Mutations

Sites in San Francisco, La Jolla +10 more locations

Sponsor: Frontier Medicines Corporation

Sex: All·Age: 18+

Code: NCT06244771·Phase 1, Phase 2·Recruiting·Listed Feb 2024

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A Study of Bleeding and Treatment in Participants With Von Willebrand Disease

for Von Willebrand Disease (VWD)

Sites in Los Angeles +12 more locations

Sponsor: Hemab ApS

Sex: All·Age: 16+

Code: NCT06610201·Recruiting·Listed Sep 2024

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