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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Efficacy and Safety of Nemtabrutinib (MK-1026) in Participants With Hematologic Malignancies (MK-1026-003)

for Hematologic Malignancies

Drug: Nemtabrutinib

Sites in La Jolla +6 more locations

Sponsor: Merck Sharp & Dohme LLC

Sex: All·Age: 18+

Code: NCT04728893·Phase 2·Recruiting·Listed Jan 2021

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A Study to Evaluate INCA035784 in Participants With Myeloproliferative Neoplasms

for Myeloproliferative Neoplasms

Sites in Palo Alto +11 more locations

Sponsor: Incyte Corporation

Sex: All·Age: 18+

Code: NCT07008118·Phase 1·Recruiting·Listed Jun 2025

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Study of SLS009 (Formerly GFH009) a Potent Highly Selective CDK9 Inhibitor in Patients With Hematologic Malignancies and High-Risk Newly Diagnosed AML

for Hematologic Malignancies

Sites in Duarte +15 more locations

Sponsor: Sellas Life Sciences Group

Sex: All·Age: 12+

Code: NCT04588922·Phase 1, Phase 2·Recruiting·Listed Oct 2020

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KYSA-6: A Study of Anti-CD19 Chimeric Antigen Receptor T-Cell Therapy, in Patients With Generalized Myasthenia Gravis

for Myasthenia Gravis

Sites in Los Angeles, Palo Alto +8 more locations

Sponsor: Kyverna Therapeutics

Sex: All·Age: 18 - 75

Code: NCT06193889·Phase 2, Phase 3·Recruiting·Listed Jan 2024

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A Study of BMS-986340 as Monotherapy and as Combination Therapy in Participants With Advanced Solid Tumors

for Cervical Cancer

Sites in Los Angeles, Newport Beach +6 more locations

Sponsor: Bristol-Myers Squibb

Sex: All·Age: 18+

Code: NCT04895709·Phase 1, Phase 2·Recruiting·Listed May 2021

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A Study to Evaluate the Safety, Effectiveness and Tolerable Dose of Arlocabtagene Autoleucel (BMS-986393) in Novel Combinations in Participants With Relapsed and/or Refractory Multiple Myeloma

for Multiple Myeloma

Sites in Duarte +14 more locations

Sponsor: Juno Therapeutics, Inc., a Bristol-Myers Squibb Company

Sex: All·Age: 18+

Code: NCT06121843·Phase 1·Recruiting·Listed Nov 2023

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BoxX-NoAF Clinical Trial

for Post Operative Atrial Fibrillation

Sites in San Diego +23 more locations

Sponsor: AtriCure, Inc.

Sex: All·Age: 65+·Accepts healthy volunteers

Code: NCT06989775·Recruiting·Listed May 2025

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A Study to Assess A Change in Disease Activity and Adverse Events of Intravenous Etentamig and Daratumumab (Etentamig+D) Compared to Daratumumab, Lenalidomide, and Dexamethasone (DRd) in Adult Participants With Newly Diagnosed Multiple Myeloma Not Eligible for Transplant

for Multiple Myeloma

Drug: Daratumumab

Sites in Los Angeles +16 more locations

Sponsor: AbbVie

Sex: All·Age: 18+

Code: NCT07095452·Phase 2, Phase 3·Recruiting·Listed Jul 2025

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Diagnosing Epilepsy To EffeCT Change Long-Term Follow-Up

for Epilepsy

Sites in Palo Alto +15 more locations

Sponsor: Epiminder America, Inc.

Sex: All·Age: 18 - 75

Code: NCT07110454·Recruiting·Listed Aug 2025

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Evaluating BL-M14D1 in Subjects With Locally Advanced or Metastatic Small Cell Lung Cancer and Neuroendocrine Tumors

for Small Cell Lung Cancer Metastatic or Locally Advanced

Sites in Los Angeles, San Francisco +18 more locations

Sponsor: SystImmune Inc.

Sex: All·Age: 18+

Code: NCT07080242·Phase 1·Recruiting·Listed Jul 2025

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A Study of PHN-012 in Patients With Advanced Solid Tumors

for Colon Cancer

Sites in Los Angeles, San Diego +9 more locations

Sponsor: Pheon Therapeutics

Sex: All·Age: 18+

Code: NCT07127874·Phase 1·Recruiting·Listed Aug 2025

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SLV-154 Treatment of Advanced Cancers

for Advanced Cancer

Sites in Newport Beach +9 more locations

Sponsor: Solve Therapeutics

Sex: All·Age: 12+

Code: NCT06771219·Phase 1·Recruiting·Listed Jan 2025

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A Study of 177Lu-FAP-2286 in Advanced Solid Tumors

for Solid Tumor

Sites in Los Angeles, San Francisco +18 more locations

Sponsor: Novartis Pharmaceuticals

Sex: All·Age: 18+

Code: NCT04939610·Phase 1, Phase 2·Recruiting·Listed Jun 2021

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A Study Evaluating the Effectiveness and Safety of Risdiplam Administered in Pediatric Patients With Spinal Muscular Atrophy Who Experienced a Plateau or Decline in Function After Gene Therapy

for Muscular Atrophy, Spinal

Sites in Palo Alto, Madera +7 more locations

Sponsor: Hoffmann-La Roche

Sex: All·Age: 3 Months - 24 Months

Code: NCT05861999·Phase 4·Recruiting·Listed May 2023

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A Clinical Trial to Learn About the Effects of VHB937 in People With Early Alzheimer's Disease

for Alzheimer's Disease

Sites in Los Angeles, La Jolla +22 more locations

Sponsor: Novartis Pharmaceuticals

Sex: All·Age: 50 - 85

Code: NCT07094516·Phase 2·Recruiting·Listed Jul 2025

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A Study to Evaluate the Safety of INCA33890 in Participants With Advanced or Metastatic Solid Tumors

for Solid Tumors

Sites in Los Angeles +10 more locations

Sponsor: Incyte Corporation

Sex: All·Age: 18+

Code: NCT05836324·Phase 1·Recruiting·Listed May 2023

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DAREON™-5: A Study to Test Whether Different Doses of BI 764532 Help People With Small Cell Lung Cancer or Other Neuroendocrine Cancers

for Small Cell Lung Carcinoma

Sites in Los Angeles, San Francisco +10 more locations

Sponsor: Boehringer Ingelheim

Sex: All·Age: 18+

Code: NCT05882058·Phase 2·Recruiting·Listed May 2023

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A Study of EP0031 (Lunbotinib) in Patients With Advanced RET-altered Malignancies

for NSCLC

Drug: EP0031

Sites in Los Angeles, Stanford +13 more locations

Sponsor: Ellipses Pharma

Sex: All·Age: 18+

Code: NCT05443126·Phase 1, Phase 2·Recruiting·Listed Jul 2022

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Efficacy of NBI-1117568 in Preventing Relapse in Adults With Schizophrenia

for Schizophrenia

Drug: NBI-1117568

Sites in Torrance, Garden Grove +18 more locations

Sponsor: Neurocrine Biosciences

Sex: All·Age: 18 - 65

Code: NCT07227818·Phase 3·Recruiting·Listed Nov 2025

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Phase 1b Trial of RAY121 in Immunological Diseases (RAINBOW Trial)

for Antiphospholipid Syndrome (APS)

Sites in Orange +6 more locations

Sponsor: Chugai Pharmaceutical

Sex: All·Age: 18 - 85

Code: NCT06371417·Phase 1·Recruiting·Listed Apr 2024

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PUL-042 Treatment in Patients With Parainfluenza Virus (PIV), Human Metapneumovirus (hMPV) or Respiratory Syncytial Virus (RSV)

for Hematologic Malignancies

Sites in Duarte +10 more locations

Sponsor: Pulmotect, Inc.

Sex: All·Age: 18+

Code: NCT06665100·Phase 2·Recruiting·Listed Oct 2024

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A Study to Learn About the Treatment LTP001 in Healthy Participants (Part A) and in Participants With PAH (Part B)

for Healthy Volunteers, Pulmonary Arterial Hypertension

Sites in Orange, Stanford +18 more locations

Sponsor: Novartis Pharmaceuticals

Sex: All·Age: 18 - 100·Accepts healthy volunteers

Code: NCT06649110·Phase 1, Phase 2·Recruiting·Listed Oct 2024

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BOOM-IBD2 Pivotal Clinical Trial

for Ulcerative Colitis

Sites in Los Angeles, Palo Alto +15 more locations

Sponsor: Boomerang Medical

Sex: All·Age: 18 - 85

Code: NCT06571669·Recruiting·Listed Aug 2024

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A Study to Investigate the Safety and Effectiveness of a Coagulation Factor IX Gene Insertion Therapy (REGV131-LNP1265) in Pediatric, Adolescent and Adult Participants With Hemophilia B

for Hemophilia B

Sites in Los Angeles, San Francisco +13 more locations

Sponsor: Regeneron Pharmaceuticals

Sex: Male·Age: 2+

Code: NCT06379789·Phase 1, Phase 2·Recruiting·Listed Apr 2024

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A Trial to Find Out if REGN5678 (Nezastomig) is Safe and How Well it Works Alone or in Combination With Cemiplimab for Adult Participants With Metastatic Castration-Resistant Prostate Cancer and Other Tumors

for Metastatic Castration-Resistant Prostate Cancer (mCRPC)

Drug: Cemiplimab

Sites in Santa Monica +22 more locations

Sponsor: Regeneron Pharmaceuticals

Sex: All·Age: 18+

Code: NCT03972657·Phase 1, Phase 2·Recruiting·Listed Jun 2019

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Spevatamig (PT886) as Monotherapy or in Combination With Chemo and/or ICI, for the Treatment of Patients With Advanced Gastric, Gastroesophageal Junction, Pancreatic Ductal or Biliary Tract Carcinomas (the TWINPEAK Study)

for Gastric or Gastroesophageal Junction Adenocarcinoma

Sites in Los Angeles, Duarte +8 more locations

Sponsor: Phanes Therapeutics

Sex: All·Age: 18+

Code: NCT05482893·Phase 1, Phase 2·Recruiting·Listed Aug 2022

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AVENTINE-1: Study of AVZO-1418 as a Single Agent and in Combination Therapy in Patients With Locally Advanced or Metastatic Solid Tumors (AVZO-1418-1001)

for Solid Tumor Cancer

Sites in Los Angeles +18 more locations

Sponsor: Avenzo Therapeutics, Inc.

Sex: All·Age: 18 - 75

Code: NCT07038343·Phase 1, Phase 2·Recruiting·Listed Jun 2025

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(HARBOR) Study to Evaluate Efficacy and Safety of BLU-263 Versus Placebo in Patients With Indolent Systemic Mastocytosis

for Indolent Systemic Mastocytosis

Sites in Los Angeles, Palo Alto +12 more locations

Sponsor: Blueprint Medicines Corporation

Sex: All·Age: 18+

Code: NCT04910685·Phase 2, Phase 3·Recruiting·Listed Jun 2021

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Post-Market Study to Assess iTind Safety in Comparison to UroLift

for Benign Prostatic Hyperplasia (BPH)

Sites in Sacramento, Fresno +11 more locations

Sponsor: Olympus Corporation of the Americas

Sex: Male·Age: 50+

Code: NCT04757116·Recruiting·Listed Feb 2021

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Study to Assess the Impact of the Urine Test Cxbladder Triage Plus on the Number of Cystoscopies Performed on Patients With Invisible Blood in Their Urine.

for Hematuria - Cause Not Known

Sites in Los Angeles, Fresno +16 more locations

Sponsor: Pacific Edge Limited

Sex: All·Age: 18 - 88

Code: NCT06394869·Recruiting·Listed May 2024

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A Phase 1 Study of BMS-986500 as Monotherapy or Combination Therapy in Advanced Solid Tumors

for Advanced Solid Tumor

Sites in La Jolla, Newport Beach +13 more locations

Sponsor: Bristol-Myers Squibb

Sex: All·Age: 18+

Code: NCT06997029·Phase 1·Recruiting·Listed May 2025

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Efficacy of KL1333 in Adult Patients With Primary Mitochondrial Disease

for Primary Mitochondrial Disease

Sites in San Francisco, San Diego +18 more locations

Sponsor: Pharming Technologies B.V.

Sex: All·Age: 18+

Code: NCT05650229·Phase 2·Recruiting·Listed Dec 2022

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Study to Investigate Lifileucel Regimen Plus Pembrolizumab Compared With Pembrolizumab Alone in Participants With Untreated Advanced Melanoma.

for Metastatic Melanoma

Drug: Lifileucel

Sites in Los Angeles, San Francisco +16 more locations

Sponsor: Iovance Biotherapeutics, Inc.

Sex: All·Age: 18 - 70

Code: NCT05727904·Phase 3·Recruiting·Listed Feb 2023

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An Open-Label ProSpective MultiCENTer Study to Evaluate Safety and Tolerability of Dry Powder Inhaled Treprostinil in PH

for Pulmonary Hypertension

Sites in Fresno +7 more locations

Sponsor: Liquidia Technologies, Inc.

Sex: All·Age: 18 - 80

Code: NCT06129240·Recruiting·Listed Nov 2023

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4D-710 in Adult Patients With Cystic Fibrosis

for Cystic Fibrosis Lung

Sites in San Francisco +17 more locations

Sponsor: 4D Molecular Therapeutics

Sex: All·Age: 18+

Code: NCT05248230·Phase 2·Recruiting·Listed Feb 2022

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Coherent Sine Burst Electroporation (CSE) Ablation System US IDE Study for Patients With Atrial Fibrillation

for Atrial Fibrillation (AF)

Sites in San Diego +17 more locations

Sponsor: Arga Medtech SA

Sex: All·Age: 18 - 80

Code: NCT06784466·Recruiting·Listed Jan 2025

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A Study of Pirtobrutinib in Participants With Immune Thrombocytopenia

for Immune Thrombocytopenia (ITP)

Sites in Los Angeles, Stanford +9 more locations

Sponsor: Eli Lilly and Company

Sex: All·Age: 18+

Code: NCT06721013·Phase 1, Phase 2·Recruiting·Listed Dec 2024

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A Study of Peluntamig (PT217) in Patients With Neuroendocrine Carcinomas Expressing DLL3 (the SKYBRIDGE Study)

for Small Cell Lung Cancer (SCLC)

Sites in Los Angeles, Duarte +13 more locations

Sponsor: Phanes Therapeutics

Sex: All·Age: 18+

Code: NCT05652686·Phase 1, Phase 2·Recruiting·Listed Dec 2022

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A Study of Toripalimab in Combination With Cisplatin and Gemcitabine in Participants With Recurrent Metastatic Nasopharyngeal Cancer

for Nasopharyngeal Cancer Recurrent

Sites in San Francisco, Irvine +9 more locations

Sponsor: Coherus Oncology, Inc.

Sex: All·Age: 12+

Code: NCT06457503·Phase 4·Recruiting·Listed Jun 2024

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Abbott Cephea Mitral Valve Disease Registry

for Mitral Regurgitation

Sites in Thousand Oaks +22 more locations

Sponsor: Abbott Medical Devices

Sex: All·Age: 18+

Code: NCT07069673·Recruiting·Listed Jul 2025

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