Paid Clinical Trials in Los Angeles, CA

As of July 2026, 1,975 paid clinical trials are recruiting in Los Angeles, California. Compensation typically covers time, travel, and study visits, with stipends ranging from modest amounts for short outpatient studies to several thousand dollars for long or inpatient protocols.

Both patients with specific conditions and healthy volunteers can qualify. Most trials offer free study-related medical care alongside compensation.

Recruiting trial data synced daily from ClinicalTrials.gov. Last sync: July 21, 2026.

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1,734 clinical trials

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Safety and Effectiveness Evaluation of the High-intensity Focused Ultrasound Device for Lifting Lax Submental and Neck Tissue

for Skin Laxity (Submental and Neck)

Sites in Los Angeles +4 more locations

Sponsor: CLASSYS Inc.

Sex: All·Age: 30 - 65·Accepts healthy volunteers

Code: NCT07229430·Recruiting·Listed Nov 2025

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Immune Defense Protein Impact On Respiratory Immune Outcomes

for Upper Respiratory Disease

1 location in Los Angeles

Sponsor: Quantec Ltd

Sex: All·Age: 60+·Accepts healthy volunteers

Code: NCT07431840·Recruiting·Listed Feb 2026

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A Safety and Efficacy Study of GTX-102 in Subjects With Deletion- or Nondeletion-type Angelman Syndrome (AS)

for Angelman Syndrome

Sites in Los Angeles +7 more locations

Sponsor: Ultragenyx Pharmaceutical Inc

Sex: All·Age: 1 - 64

Code: NCT07157254·Phase 2·Recruiting·Listed Sep 2025

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EXoPERT EMERALD Clinical Study

for Breast Cancer

Sites in Los Angeles, Long Beach +7 more locations

Sponsor: EXoPERT

Sex: All·Age: 45+·Accepts healthy volunteers

Code: NCT07186296·Recruiting·Listed Sep 2025

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A Study of SGT-212 Gene Therapy in Friedreich's Ataxia

for Friedreich's Ataxia (FA)

Sites in Los Angeles +2 more locations

Sponsor: Solid Biosciences Inc.

Sex: All·Age: 18 - 40

Code: NCT07180355·Phase 1·Recruiting·Listed Sep 2025

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Actinium Therapy for Late-stage Aggressive Sarcomas

for Advanced Soft Tissue Sarcoma

Sites in Los Angeles +4 more locations

Sponsor: Ratio Therapeutics, Inc.

Sex: All·Age: 18+

Code: NCT07156565·Phase 1·Recruiting·Listed Sep 2025

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A Study to Test Inavolisib Treatments in Participants With Early-Stage, PIK3CA-Mutated Breast Cancer

for Breast Cancer

Sites in Los Angeles, Orange +2 more locations

Sponsor: Hoffmann-La Roche

Sex: Female·Age: 18+

Code: NCT07054190·Phase 2·Recruiting·Listed Jul 2025

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Detecting Pulmonary Hypertension With the Eko CORE 500 Digital Stethoscope

for Pulmnary Hypertension

Sites in Los Angeles +1 more location

Sponsor: Eko Devices, Inc.

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

Code: NCT07136623·Recruiting·Listed Aug 2025

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Prediction of REsponse to Depression Interventions (Accelerated rTMS) Using Clinical and TD-fNIRS Measurements

for Major Depressive Disorder (MDD)

Sites in Los Angeles & Sunnyvale

Sponsor: Kernel

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

Code: NCT07294924·Recruiting·Listed Dec 2025

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A Study to Evaluate Atumelnant in Adults With Congenital Adrenal Hyperplasia

for Congenital Adrenal Hyperplasia

Sites in Los Angeles +8 more locations

Sponsor: Crinetics Pharmaceuticals Inc.

Sex: All·Age: 18 - 74

Code: NCT07144163·Phase 3·Recruiting·Listed Aug 2025

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A Study of DB-OTO, an Adeno-Associated Virus (AAV) Based Gene Therapy, in Children/Infants, Adolescents and Adults With Hearing Loss Due to Otoferlin Mutations

for Congenital Hearing Loss Secondary to Biallelic Mutations of the Otoferlin Gene (OTOF)

Sites in Los Angeles, San Diego +7 more locations

Sponsor: Regeneron Pharmaceuticals

Sex: All·Age: All ages

Code: NCT05788536·Phase 1, Phase 2·Recruiting·Listed Mar 2023

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Trial Investigating Visugromab in Combination With Immunochemotherapy in 1L Treatment of Participants With Metastatic NSCLC

for Metastatic Non-Squamous Non-Small Cell Lung Cancer

Sites in Los Angeles +6 more locations

Sponsor: CatalYm GmbH

Sex: All·Age: 18+

Code: NCT07098988·Phase 2·Recruiting·Listed Aug 2025

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Safety and Efficacy of NEO212 in Patients With Astrocytoma IDH-mutant, Glioblastoma IDH-wildtype or Brain Metastasis

for Diffuse Astrocytoma, IDH-Mutant

Sites in Los Angeles, Beverly Hills +5 more locations

Sponsor: Neonc Technologies, Inc.

Sex: All·Age: 18+

Code: NCT06047379·Phase 1, Phase 2·Recruiting·Listed Sep 2023

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Safety and Efficacy of OBX-115 in Advanced Solid Tumors

for Tumor Skin

Sites in Los Angeles, Stanford +6 more locations

Sponsor: Obsidian Therapeutics, Inc.

Sex: All·Age: 18+

Code: NCT06060613·Phase 1, Phase 2·Recruiting·Listed Sep 2023

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Study of ECI830 Single Agent or in Combination in Patients With Advanced HR+/HER2- Breast Cancer and in Patients With Other Advanced Solid Tumors

for Advanced HR+/HER2- Breast Cancer

Sites in Los Angeles +7 more locations

Sponsor: Novartis Pharmaceuticals

Sex: All·Age: 18 - 100

Code: NCT06726148·Phase 1, Phase 2·Recruiting·Listed Dec 2024

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A Study to Investigate ALE.P02 as Monotherapy in Adult Patients With Selected CLDN1+ Solid Tumors

for Squamous Non-small-cell Lung Cancer

Sites in Los Angeles, Fullerton +6 more locations

Sponsor: Alentis Therapeutics AG

Sex: All·Age: 18+

Code: NCT06747585·Phase 1, Phase 2·Recruiting·Listed Dec 2024

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A Study of Belumosudil in Children With Chronic Graft Versus Host Disease (schoolROCK)

for Chronic Graft Versus Host Disease

Sites in Los Angeles +4 more locations

Sponsor: Sanofi

Sex: All·Age: 1 - 18

Code: NCT07116031·Phase 2·Recruiting·Listed Aug 2025

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Subcutaneous Tarlatamab in Participants With Extensive Stage Small Cell Lung Cancer (DeLLphi-308)

for Extensive Stage Small Cell Lung Cancer

Drug: Tarlatamab

Sites in Los Angeles +5 more locations

Sponsor: Amgen

Sex: All·Age: 18+

Code: NCT06598306·Phase 1·Recruiting·Listed Sep 2024

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A Study of BI-1206 in Combination With Pembrolizumab in Subjects With Advanced Solid Tumors

for Solid Tumor, Adult

1 location in Los Angeles

Sponsor: BioInvent International AB

Sex: All·Age: 18+

Code: NCT04219254·Phase 1, Phase 2·Recruiting·Listed Jan 2020

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A Study to Investigate ALE.P03 as Monotherapy in Adult Patients With Selected Advanced or Metastatic CLDN1+ Solid Tumors

for Cervical Squamous Cell Carcinoma

Sites in Los Angeles +8 more locations

Sponsor: Alentis Therapeutics AG

Sex: All·Age: 18+

Code: NCT07169734·Phase 1, Phase 2·Recruiting·Listed Sep 2025

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A Trial of RSC-1255 for Treatment of Patients With Advanced Malignancies

for Advanced Malignant Solid Neoplasm

Sites in Los Angeles +2 more locations

Sponsor: RasCal Therapeutics, Inc.

Sex: All·Age: 18+

Code: NCT04678648·Phase 1·Recruiting·Listed Dec 2020

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Starlight Cardiovascular Lifeline Ductus Arteriosus Stent IDE Study

for Congenital Heart Disease

Sites in Los Angeles, Stanford +6 more locations

Sponsor: Starlight Cardiovascular Inc

Sex: All·Age: 1 Minute - 6 Months

Code: NCT07114718·Recruiting·Listed Aug 2025

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A Clinical Study of Ifinatamab Deruxtecan Based Treatment Combinations or as Monotherapy to Treat Metastatic Castrate Resistant Prostate Cancer (mCRPC) (MK-2400-01A/IDeate-Prostate02)

for Castration-Resistant Prostatic Cancer

Sites in Los Angeles, Orange +7 more locations

Sponsor: Merck Sharp & Dohme LLC

Sex: All·Age: 18+

Code: NCT06863272·Phase 1, Phase 2·Recruiting·Listed Mar 2025

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An Observational Extension Study for Adult Patients Treated in Study R5459-RT-1944 Who Receive a Kidney Transplant

for Chronic Kidney Disease (CKD)

Sites in Los Angeles, Orange +5 more locations

Sponsor: Regeneron Pharmaceuticals

Sex: All·Age: 18 - 70

Code: NCT05106387·Recruiting·Listed Nov 2021

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SW-682 in Advanced Solid Tumors

for Advanced Solid Tumor

Sites in Los Angeles, Santa Monica +6 more locations

Sponsor: SpringWorks Therapeutics, Inc., a healthcare company of Merck KGaA, Darmstadt, Germany

Sex: All·Age: 18+

Code: NCT06251310·Phase 1·Recruiting·Listed Feb 2024

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NEO100 and High-Grade Meningioma

for Residual, Progressive or Recurrent Grade II or III Meningioma

Sites in Los Angeles, Santa Monica +3 more locations

Sponsor: Neonc Technologies, Inc.

Sex: All·Age: 12+

Code: NCT05023018·Phase 2·Recruiting·Listed Aug 2021

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A Study to Investigate the Safety of OpCT-001 in Adults Who Have Primary Photoreceptor Disease (CLARICO)

for Primary Photoreceptor Disease

Sites in Los Angeles +4 more locations

Sponsor: BlueRock Therapeutics

Sex: All·Age: 18+

Code: NCT06789445·Phase 1, Phase 2·Recruiting·Listed Jan 2025

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A Study Investigating Intravenous Human Normal Immunoglobulin 10% in Adults With Chronic Immune Thrombocytopenia (ITP)

for Chronic Primary Immune Thrombocytopenia (ITP)

Sites in Los Angeles +1 more location

Sponsor: Kedrion S.p.A.

Sex: All·Age: 18 - 70

Code: NCT07059000·Phase 3·Recruiting·Listed Jul 2025

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REMASTer: REcurrent Brain Metastases After SRS Trial

for Brain Metastases

Sites in Los Angeles +7 more locations

Sponsor: Monteris Medical

Sex: All·Age: 18+

Code: NCT05124912·Recruiting·Listed Nov 2021

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Evaluate Efficacy and Safety of Repeat Subcutaneous Doses of FB825 in Adults With Moderate-to-Severe Atopic Dermatitis

for Atopic Dermatitis

Sites in Los Angeles, Fountain Valley +4 more locations

Sponsor: Oneness Biotech Co., Ltd.

Sex: All·Age: 18 - 65

Code: NCT06397911·Phase 2·Recruiting·Listed May 2024

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Safety and Tolerability of Subretinally Injected OPGx-BEST1 in Patients With Best Vitelliform Macular Dystrophy (BVMD) or Autosomal-Recessive Bestrophinopathy (ARB)

for ARB

Sites in Los Angeles +3 more locations

Sponsor: Opus Genetics, Inc

Sex: All·Age: 18+

Code: NCT07185256·Phase 1, Phase 2·Recruiting·Listed Sep 2025

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Phase 1 Trial of ST-001 nanoFenretinide in Relapsed/ Refractory Small Cell Lung Cancer

for Small Cell Lung Cancer

1 location in Los Angeles

Sponsor: SciTech Development, Inc.

Sex: All·Age: 18+

Code: NCT06922539·Phase 1·Recruiting·Listed Apr 2025

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A Study to Evaluate the Safety, Tolerability, and Efficacy of Escalating Doses of BMS-986463 in Participants With Select Advanced Malignant Tumors.

for High-grade Serous Ovarian Carcinoma (HGSOC)

Sites in Los Angeles +4 more locations

Sponsor: Bristol-Myers Squibb

Sex: All·Age: 18+

Code: NCT06476808·Phase 1·Recruiting·Listed Jun 2024

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A Clinical Trial of PR001 (LY3884961) in Patients With Peripheral Manifestations of Gaucher Disease (PROCEED)

for Gaucher Disease

Sites in Los Angeles +3 more locations

Sponsor: Prevail Therapeutics

Sex: All·Age: 18+

Code: NCT05487599·Phase 1, Phase 2·Recruiting·Listed Aug 2022

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A Phase I/II Study of CS2009 in Participants With Advanced Solid Tumors

for Advanced Solid Tumors

Sites in Los Angeles +1 more location

Sponsor: CStone Pharmaceuticals

Sex: All·Age: 18+

Code: NCT06741644·Phase 1, Phase 2·Recruiting·Listed Dec 2024

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A First-in-Human (FIH) Study of BG-C137, an Anti-Fibroblast Growth Factor Receptor 2b (FGFR2b) Antibody Drug Conjugate, in Participants With Advanced Solid Tumors

for Advanced Solid Tumor

Sites in Los Angeles +4 more locations

Sponsor: BeOne Medicines

Sex: All·Age: 18+

Code: NCT06625593·Phase 1·Recruiting·Listed Oct 2024

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Phase I Study of [177Lu]Lu-NNS309 in Patients With Pancreatic, Lung, Breast and Colorectal Cancers

for Pancreatic Ductal Adenocarcinoma

Sites in Los Angeles, Palo Alto +7 more locations

Sponsor: Novartis Pharmaceuticals

Sex: All·Age: 18 - 100

Code: NCT06562192·Phase 1·Recruiting·Listed Aug 2024

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Phase 1a/1b First-in-Human Study of BG-C9074 Alone and in Combination With Other Anticancer Therapies in Patients With Advanced Solid Tumors

for Advanced Solid Tumor

Sites in Los Angeles +4 more locations

Sponsor: BeOne Medicines

Sex: All·Age: 18+

Code: NCT06233942·Phase 1·Recruiting·Listed Jan 2024

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Substudy 06D: Combination Therapies in Second Line (2L) Gastroesophageal Adenocarcinoma (MK-3475-06D/Keymaker-U06)

for Gastroesophageal Junction

Sites in Los Angeles +5 more locations

Sponsor: Merck Sharp & Dohme LLC

Sex: All·Age: 18+

Code: NCT06445972·Phase 1, Phase 2·Recruiting·Listed Jun 2024

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ET140203 T Cells in Pediatric Subjects With Hepatoblastoma, HCN-NOS, or Hepatocellular Carcinoma

for Hepatoblastoma

Sites in Los Angeles, Orange +2 more locations

Sponsor: Eureka Therapeutics Inc.

Sex: All·Age: 1 - 21

Code: NCT04634357·Phase 1, Phase 2·Recruiting·Listed Nov 2020

Apply to this trial