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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A Multicenter, Prospective Blood Collection Study in a Kidney Transplant Population

for Kidney Disease

Sites in San Francisco, San Diego +4 more locations

Sponsor: Devyser Inc.

Sex: All·Age: 18+

Code: NCT07006831·Recruiting·Listed Jun 2025

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MindRhythm Detection of Concussion and Recovery Study

for mTBI - Mild Traumatic Brain Injury

2 locations in Cupertino

Sponsor: MindRhythm, Inc.

Sex: All·Age: 4+·Accepts healthy volunteers

Code: NCT07190963·Recruiting·Listed Sep 2025

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Confirmatory Clinical Evaluation of Novilase® Laser Therapy for Focal Destruction of Malignant Breast Tumors

for Malignant Neoplasm of Breast

Sites in La Jolla, Rancho Mirage +3 more locations

Sponsor: Novian Health Inc.

Sex: Female·Age: 18+

Code: NCT03463954·Recruiting·Listed Mar 2018

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Intratumoral Delivery of Viral Replicon (saRNA) Particles Expressing IL-12 in Head and Neck Cancer

for Head and Neck Cancers- Squamous Cell

1 location in Stanford

Sponsor: VLP Therapeutics

Sex: All·Age: 18+

Code: NCT06736379·Phase 1·Recruiting·Listed Dec 2024

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Safety and Feasibility Study of the CELLSPAN Esophageal Implant (CEI) in Patients Requiring Short Segment Esophageal Replacement

for Esophageal Diseases

Sites in Los Angeles +2 more locations

Sponsor: Harvard Apparatus Regenerative Technology, Inc.

Sex: All·Age: 18+

Code: NCT05877300·Phase 1·Recruiting·Listed May 2023

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A Study to Evaluate the Safety, Pharmacokinetics, Pharmacodynamics and Clinical Activity of Imetelstat in Combination With Ruxolitinib in Participants With Myelofibrosis

for Myelofibrosis

Drug: Ruxolitinib

Sites in Duarte, Irvine +4 more locations

Sponsor: Geron Corporation

Sex: All·Age: 18+

Code: NCT05371964·Phase 1·Recruiting·Listed May 2022

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A Study to Evaluate Efficacy and Safety of Light Dose in Subjects With PWB Treated With Hemoporfin PDT

for Port-wine Birthmarks

Sites in San Diego, Irvine +3 more locations

Sponsor: Shanghai Fudan-Zhangjiang Bio-Pharmaceutical Co., Ltd.

Sex: All·Age: 18 - 75

Code: NCT05171894·Phase 2·Recruiting·Listed Dec 2021

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Prescreening Study to Identify Potential Stargardt Participants for ACDN-01 Clinical Trials (STARPATH)

for Stargardt Disease

Sites in San Francisco +7 more locations

Sponsor: Ascidian Therapeutics, Inc

Sex: All·Age: 5+

Code: NCT06445322·Recruiting·Listed Jun 2024

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First in Human Study of TORL-1-23 in Participants With Advanced Cancer

for Advanced Solid Tumor

Sites in Los Angeles, Fullerton +7 more locations

Sponsor: TORL Biotherapeutics, LLC

Sex: All·Age: 18+

Code: NCT05103683·Phase 1·Recruiting·Listed Nov 2021

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A Study of Radiation Dosimetry, Safety, and Tolerability of Extended Lutetium (177Lu) Vipivotide Tetraxetan Treatment in Chemo-naïve Adults With Metastatic Castration-resistant Prostate Cancer: RADIOpharmaceutical DOSimetry Evaluation (RADIODOSE) Study

for Metastatic Castration-Resistant Prostate Cancer

Sites in Los Angeles, Palo Alto +3 more locations

Sponsor: Novartis Pharmaceuticals

Sex: Male·Age: 18 - 100

Code: NCT06531499·Phase 1·Recruiting·Listed Aug 2024

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A Phase 2 Efficacy and Safety Study of GAL-101, 2% Ophthalmic Solution in Non-foveal Geographic Atrophy Secondary to Non-neovascular AMD

for Geographic Atrophy of the Macula

Sites in Walnut Creek, Beverly Hills +1 more location

Sponsor: Galimedix Therapeutics Inc

Sex: All·Age: 55+

Code: NCT06659549·Phase 2·Recruiting·Listed Oct 2024

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A Study to Evaluate the Utilization of 3D Printed Models in Pre-Operative Planning

for Sarcoma, Ewing

Sites in Oakland +2 more locations

Sponsor: Ricoh USA, Inc.

Sex: All·Age: 13+

Code: NCT06387485·Recruiting·Listed Apr 2024

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A Study of Elritercept to Treat Anemia in Adults With Very Low, Low, or Intermediate Risk Myelodysplastic Syndromes (MDS)

for Myelodysplastic Syndromes

Sites in Duarte +2 more locations

Sponsor: Takeda

Sex: All·Age: 18+

Code: NCT04419649·Phase 2·Recruiting·Listed Jun 2020

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Dose Escalation Study of EG110A, Administered by Intradetrusor Injections to Adults With Neurogenic Detrusor Overactivity-related Incontinence Following Spinal Cord Injury Who Regularly Perform Clean Intermittent Catheterization

for Neurogenic Detrusor Overactivity

Sites in Downey +2 more locations

Sponsor: Cyllene Therapeutics

Sex: All·Age: 18 - 75

Code: NCT06596291·Phase 1, Phase 2·Recruiting·Listed Sep 2024

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A Retrospective Study to Characterize Participants With Propionic Acidemia

for Propionic Acidemia

Sites in Stanford +3 more locations

Sponsor: ModernaTX, Inc.

Sex: All·Age: 2+

Code: NCT05769621·Recruiting·Listed Mar 2023

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A Dose Randomization Study of Bulumtatug Fuvedotin in TNBC Patients Previously Treated With ADCs

for Triple Negative Breast Cancer

Sites in La Jolla, Duarte +4 more locations

Sponsor: Mabwell (Shanghai) Bioscience Co., Ltd.

Sex: All·Age: 18+

Code: NCT06908928·Phase 1·Recruiting·Listed Apr 2025

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ADG126 in Combination With Pembrolizumab in Patients With Advanced/Metastatic Solid Tumors

for Advanced/Metastatic Solid Tumors

Sites in Duarte, Irvine +4 more locations

Sponsor: Adagene Inc

Sex: All·Age: 18+

Code: NCT05405595·Phase 1, Phase 2·Recruiting·Listed Jun 2022

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Safety and Preliminary Efficacy of ULSC in Facioscapulohumeral Muscular Dystrophy (FSHD)

for FSHD - Facioscapulohumeral Muscular Dystrophy

1 location in Palo Alto

Sponsor: Restem, LLC.

Sex: All·Age: 15+

Code: NCT07086521·Phase 1·Recruiting·Listed Jul 2025

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MOTION Clinical Trial

for Osteoarthritis, Knee

Sites in Oceanside +5 more locations

Sponsor: Moximed

Sex: All·Age: All ages

Code: NCT06843980·Recruiting·Listed Feb 2025

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CellFX® Nanosecond Pulsed Field Ablation (nsPFA)™ Cardiac Surgery Clamp System to Treat Atrial Fibrillation

for Atrial Fibrillation

Sites in St. Helena +1 more location

Sponsor: Pulse Biosciences, Inc.

Sex: All·Age: 18 - 85

Code: NCT06959121·Recruiting·Listed May 2025

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STimulation to Activate RespIration

for ARDS (Moderate or Severe)

Sites in La Jolla +5 more locations

Sponsor: Lungpacer Medical Inc.

Sex: All·Age: 18+

Code: NCT06832306·Recruiting·Listed Feb 2025

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Safety and Preliminary Anti-Tumor Activity of TYRA-430 in Advanced Hepatocellular Carcinoma and Other Solid Tumors With Activating FGF/FGFR Pathway Aberrations

for Metastatic Hepatocellular Carcinoma

Sites in Los Angeles, San Francisco +7 more locations

Sponsor: Tyra Biosciences, Inc

Sex: All·Age: 18+

Code: NCT06915753·Phase 1·Recruiting·Listed Apr 2025

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Safety Study for Prospective Assessment of Pregnancy Outcomes in Patients Treated With Tildrakizumab

for Pregnancy Related

1 location in San Diego

Sponsor: Sun Pharmaceutical Industries Limited

Sex: Female·Age: All ages

Code: NCT03992729·Recruiting·Listed Jun 2019

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ACTengine® IMA203 Combined With mRNA-4203

for Cutaneous Melanoma

Sites in San Francisco +3 more locations

Sponsor: Immatics US, Inc.

Sex: All·Age: 18+

Code: NCT06946225·Phase 1·Recruiting·Listed Apr 2025

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A Study to Assess the Long-term Safety Outcomes in Patients Previously Treated With RP1, RP2, or RP3

for Melanoma

1 location in La Jolla

Sponsor: Replimune, Inc.

Sex: All·Age: 18+

Code: NCT06887348·Recruiting·Listed Mar 2025

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HALOS: A Safety, Tolerability, Pharmacokinetics and Pharmacodynamics Study of Multiple Ascending Doses of ION582 in Participants With Angelman Syndrome

for Angelman Syndrome

Sites in San Diego +4 more locations

Sponsor: Ionis Pharmaceuticals, Inc.

Sex: All·Age: 0 - 50

Code: NCT05127226·Phase 1, Phase 2·Recruiting·Listed Nov 2021

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Study of Student Flourishing

for Healthy

Sites in Orange, Berkeley +7 more locations

Sponsor: Flourish Science, Inc.

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

Code: NCT07259746·Recruiting·Listed Dec 2025

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Radiocaine Safety Study

for Healthy Subjects

1 location in Stanford

Sponsor: Lutroo Imaging LLC

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

Code: NCT07081217·EARLY_Phase 1·Recruiting·Listed Jul 2025

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AAV Gene Therapy Clinical Study in Adult Classic PKU (PHEdom)

for Phenylketonurias

Sites in Orange +4 more locations

Sponsor: NGGT INC.

Sex: All·Age: 18 - 55

Code: NCT06332807·Phase 1, Phase 2·Recruiting·Listed Mar 2024

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Access Cannulation Trial II

for Dialysis

Sites in Riverside +7 more locations

Sponsor: Voyager Biomedical

Sex: All·Age: 18+

Code: NCT05490225·Recruiting·Listed Aug 2022

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BAFFR-targeting CAR T Cells for Patients With Relapsed or Refractory B-NHL

for Relapsed or Refractory B-cell Non-Hodgkin's Lymphoma

Sites in Duarte, Stanford +4 more locations

Sponsor: PeproMene Bio, Inc.

Sex: All·Age: 18+

Code: NCT05370430·Phase 1·Recruiting·Listed May 2022

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Oral Pyridoxal 5'-Phosphate for the Treatment of Patients With PNPO Deficiency

for Pyridox(am)Ine 5'-Phosphate Oxidase Deficiency

Sites in Palo Alto +4 more locations

Sponsor: Medicure

Sex: All·Age: All ages

Code: NCT04706013·Phase 3·Recruiting·Listed Jan 2021

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A Study of TLN-254 in Participants With Relapsed or Refractory T-cell Lymphoma

for Lymphoma

Sites in Stanford +3 more locations

Sponsor: Treeline Biosciences, Inc.

Sex: All·Age: 18+

Code: NCT06733441·Phase 1·Recruiting·Listed Dec 2024

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A Study of MT-4561 in Patients With Various Advanced Solid Tumors

for Head and Neck Squamous Cell Carcinoma (HNSCC)

Sites in Los Angeles +3 more locations

Sponsor: Tanabe Pharma America, Inc.

Sex: All·Age: 18+

Code: NCT06943521·Phase 1, Phase 2·Recruiting·Listed Apr 2025

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A Study of ETHIZIA Versus SURGICEL Original in Controlling Soft Tissue Bleeding During Open Surgery

for Hemostasis

Sites in Los Angeles +5 more locations

Sponsor: Ethicon, Inc.

Sex: All·Age: 22+

Code: NCT06664788·Recruiting·Listed Oct 2024

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Study of HQP1351 in Subjects With Refractory CML and Ph+ ALL

for Leukemia, Myeloid, Chronic

Sites in Duarte +7 more locations

Sponsor: Ascentage Pharma Group Inc.

Sex: All·Age: 18+

Code: NCT04260022·Phase 1·Recruiting·Listed Feb 2020

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ViewFlex X ICE First-in-Human Study

for Cardiac Arrhythmias

Sites in La Jolla +7 more locations

Sponsor: Abbott Medical Devices

Sex: All·Age: 18+

Code: NCT06772493·Recruiting·Listed Jan 2025

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A Study to Assess the Efficacy of WSD0922-FU in Patients With C797S+ Advanced Non-small Cell Lung Cancer

for Non Small Cell Lung Cancer

Sites in Oxnard +7 more locations

Sponsor: Wayshine Biopharm, Inc.

Sex: All·Age: 18+

Code: NCT06868485·Phase 2·Recruiting·Listed Mar 2025

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Women's Hormonal and Metabolic Wellbeing Study

for Metabolic Health

1 location in San Francisco

Sponsor: Daily Nouri

Sex: Female·Age: 18 - 45·Accepts healthy volunteers

Code: NCT07268404·Recruiting·Listed Dec 2025

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A Phase 1/2, Dose-Exploration Study to Evaluate the Safety and Efficacy of BEAM-301 in Patients With Glycogen Storage Disease Type Ia (GSDIa)

for Glycogen Storage Disease Type Ia

Sites in Orange +2 more locations

Sponsor: Beam Therapeutics Inc.

Sex: All·Age: 18+

Code: NCT06735755·Phase 1, Phase 2·Recruiting·Listed Dec 2024

Apply to this trial