Paid Clinical Trials in Seattle, WA

As of June 2026, 1,369 paid clinical trials are recruiting in Seattle, Washington. 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: June 15, 2026.

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1,373 clinical trials

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A Study to Assess the Efficacy and Safety of FORE8394 in Participants With Cancer Harboring BRAF Alterations

for Cancer Harboring BRAF Alterations

30 locations incl. Beverly Hills

Sponsor: Fore Biotherapeutics

Sex: All·Age: 10+

Code: NCT05503797·Phase 2·Recruiting

Apply to this trial

Percutaneous Intervention Versus Observational Trial of Arterial Ductus in Low Weight Infants

for Ductus Arteriosus, Patent

24 locations incl. Birmingham

Sponsor: Nationwide Children's Hospital

Sex: All·Age: 7 Days - 32 Days

Code: NCT05547165·Recruiting

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A Study of Treatment for Medulloblastoma Using Sodium Thiosulfate to Reduce Hearing Loss

for Childhood Medulloblastoma

101 locations incl. Birmingham

Sponsor: Children's Oncology Group

Sex: All·Age: 4 - 21

Code: NCT05382338·Phase 3·Recruiting

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(Z)-Endoxifen for the Treatment of Premenopausal Women With ER+/HER2- Breast Cancer

for Breast Neoplasms

15 locations incl. Phoenix

Sponsor: Atossa Therapeutics, Inc.

Sex: Female·Age: 18+

Code: NCT05607004·Phase 2·Recruiting

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A Study to Evaluate XEN1101 as Adjunctive Therapy in Primary Generalized Tonic-Clonic Seizures

for Primary Generalized Tonic-Clonic Seizures

59 locations incl. Mobile

Sponsor: Xenon Pharmaceuticals Inc.

Sex: All·Age: 12+

Code: NCT05667142·Phase 3·Recruiting

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A Study to Follow Patients With Adult Growth Hormone Deficiency (AGHD) Treated With Sogroya® for Long Term Safety Information

for Adult Growth Hormone Deficiency

29 locations incl. Phoenix

Sponsor: Novo Nordisk A/S

Sex: All·Age: 18+

Code: NCT05718570·Enrolling By Invitation

Evaluation of A Clinical Diagnostic Test for CRDS

for Calcium Release Deficiency Syndrome (CRDS)

3 locations incl. San Francisco

Sponsor: Population Health Research Institute

Sex: All·Age: All ages

Code: NCT06188689·Recruiting

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Testing the Addition of Stereotactic Radiation Therapy With Immune Therapy for the Treatment of Patients With Unresectable or Metastatic Renal Cell Cancer, SAMURAI Trial

for Metastatic Renal Cell Carcinoma

313 locations incl. Birmingham

Sponsor: NRG Oncology

Sex: All·Age: 18+

Code: NCT05327686·Phase 2·Recruiting

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mFOLFIRINOX Versus mFOLFOX With or Without Nivolumab for the Treatment of Advanced, Unresectable, or Metastatic HER2 Negative Esophageal, Gastroesophageal Junction, and Gastric Adenocarcinoma

for Advanced Esophageal Adenocarcinoma

Drug: Nivolumab

785 locations incl. Birmingham

Sponsor: Alliance for Clinical Trials in Oncology

Sex: All·Age: 18+

Code: NCT05677490·Phase 3·Recruiting

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Tafasitamab, Retifanlimab, and Rituximab in Combination With Standard Therapy for the Treatment of Diffuse Large B-cell Lymphoma

for Diffuse Large B-Cell Lymphoma

Drug: Retifanlimab

1 location in Seattle

Sponsor: University of Washington

Sex: All·Age: 18+

Code: NCT05455697·Phase 1, Phase 2·Recruiting

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Pre-transplant Health Coaching to Improve Patient-Reported Outcomes in Lung Transplant Candidates

for Lung Transplant

3 locations incl. Jacksonville

Sponsor: Mayo Clinic

Sex: All·Age: 18+

Code: NCT05426200·Recruiting

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ONC201 in H3 K27M-mutant Diffuse Glioma Following Radiotherapy (the ACTION Study)

for H3 K27M

67 locations incl. Phoenix

Sponsor: Jazz Pharmaceuticals

Sex: All·Age: All ages

Code: NCT05580562·Phase 3·Recruiting

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

for Pulmonary Arterial Hypertension

10 locations incl. Los Angeles

Sponsor: Merck Sharp & Dohme LLC

Sex: All·Age: 1 - 17

Code: NCT05587712·Phase 2·Recruiting

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Alleviant ALLAY-HF Study

for Heart Failure

53 locations incl. San Francisco

Sponsor: Alleviant Medical, Inc.

Sex: All·Age: 40+

Code: NCT05685303·Enrolling By Invitation

A Study of a Selective T Cell Receptor (TCR) Targeting, Bifunctional Antibody-fusion Molecule STAR0602 in Participants With Advanced Solid Tumors

for Advanced Solid Tumors

18 locations incl. Loma Linda

Sponsor: Marengo Therapeutics, Inc.

Sex: All·Age: 18+

Code: NCT05592626·Phase 1, Phase 2·Recruiting

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Family Peer Navigator for Early Psychosis for Black Families

for Family Members

1 location in Seattle

Sponsor: Washington State University

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

Code: NCT05284721·Recruiting

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Behavioral and Neural Characteristics of Adaptive Speech Motor Control

for Speech

1 location in Seattle

Sponsor: University of Washington

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

Code: NCT06164717·Recruiting

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

for Hemophilia A

14 locations incl. Rancho Cordova

Sponsor: Pfizer

Sex: Male·Age: 18+

Code: NCT05568719·Phase 3·Recruiting

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Safety Extension Study for Subjects With HR+, HER2- Breast Cancer for Subjects Who Have Completed the OVELIA Study

for Breast Cancer

17 locations incl. Greenbrae

Sponsor: Tolmar Inc.

Sex: All·Age: 18 - 51

Code: NCT05645536·Phase 3·Enrolling By Invitation

Prospective Healthcare-Associated Links in Transmission of Nontuberculous Mycobacteria

for Cystic Fibrosis

7 locations incl. Denver

Sponsor: University of North Carolina, Chapel Hill

Sex: All·Age: 1 Month - 99

Code: NCT05686837·Enrolling By Invitation

Dual BET and CBP/p300 Inhibitor in Patients With Targeted Advanced Solid Tumors and Hematological Malignancies

for Castrate Resistant Prostate Cancer

6 locations incl. Phoenix

Sponsor: Epigenetix, Inc.

Sex: All·Age: 18+

Code: NCT05488548·Phase 1·Recruiting

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Tebentafusp Regimen Versus Investigator's Choice in Previously Treated Advanced Melanoma (TEBE-AM)

for Advanced Melanoma

Drug: Tebentafusp

25 locations incl. Phoenix

Sponsor: Immunocore Ltd

Sex: All·Age: 18+

Code: NCT05549297·Phase 3·Recruiting

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Adjuvant Therapy in POLE-Mutated and p53-Wildtype/NSMP Early Stage Endometrial Cancer RAINBO BLUE & TAPER

for Endometrial Cancer

68 locations incl. Anchorage

Sponsor: Canadian Cancer Trials Group

Sex: Female·Age: 18+

Code: NCT05640999·Phase 2·Recruiting

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ACTEMRA® for the Treatment of Pediatric Adamantinomatous Craniopharyngioma

for Adamantinomatous Craniopharyngioma

8 locations incl. Aurora

Sponsor: Nationwide Children's Hospital

Sex: All·Age: 1 - 39

Code: NCT05233397·Phase 2·Recruiting

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Study of CHS-114 in Participants With Advanced Solid Tumors

for Advanced Solid Tumor

16 locations incl. Newport Beach

Sponsor: Coherus Oncology, Inc.

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

Code: NCT05635643·Phase 1·Recruiting

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Multi-Center Molecular Diagnosis and Host Response of Respiratory Viral Infections in Pediatric Transplant Recipients

for Hematopoietic Cell Transplant

27 locations incl. Birmingham

Sponsor: Arkansas Children's Hospital Research Institute

Sex: All·Age: Up to 18

Code: NCT05550298·Recruiting

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Rinatabart Sesutecan (Rina-S, PRO1184, GEN1184) for Advanced Solid Tumors (GCT1184-01/ PRO1184-001)

for High Grade Epithelial Ovarian Cancer

37 locations incl. Phoenix

Sponsor: Genmab

Sex: All·Age: 18+

Code: NCT05579366·Phase 1, Phase 2·Recruiting

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A Study to Learn About the Study Medicine Called PF-07799544 as Monotherapy or in Combination in People With Advanced Solid Tumors

for Melanoma

58 locations incl. Birmingham

Sponsor: Pfizer

Sex: All·Age: 16+

Code: NCT05538130·Phase 1·Recruiting

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An Extension Study to Assess Long-Term Safety of Eplontersen in Adults With Transthyretin-Mediated Amyloid Cardiomyopathy (ATTR-CM)

for Transthyretin-Mediated Amyloid Cardiomyopathy (ATTR CM)

46 locations incl. Scottsdale

Sponsor: Ionis Pharmaceuticals, Inc.

Sex: All·Age: 18+

Code: NCT05667493·Phase 3·Enrolling By Invitation

A First-in-human, Dose Escalation and Dose Expansion Study of SAR445877 in Adult Participants With Advanced Solid Tumors

for Solid Tumor

9 locations incl. Newark

Sponsor: Sanofi

Sex: All·Age: 18+

Code: NCT05584670·Phase 1, Phase 2·Recruiting

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Darbe Plus IV Iron to Decrease Transfusions While Maintaining Iron Sufficiency in Preterm Infants

for Prematurity

1 location in Seattle

Sponsor: University of Washington

Sex: All·Age: Up to 3 Days

Code: NCT05340465·Phase 2·Recruiting

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Testing the Addition of Herceptin Hylecta or Phesgo to the Usual Chemotherapy for HER2 Positive Endometrial Serous Carcinoma or Carcinosarcoma

for Endometrial Carcinoma

403 locations incl. Birmingham

Sponsor: National Cancer Institute (NCI)

Sex: Female·Age: 18+

Code: NCT05256225·Phase 3·Recruiting

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Tagraxofusp in Pediatric Patients With Relapsed or Refractory CD123 Expressing Hematologic Malignancies

for Hematologic Malignancy

29 locations incl. Los Angeles

Sponsor: Therapeutic Advances in Childhood Leukemia Consortium

Sex: All·Age: 1 - 21

Code: NCT05476770·Phase 1·Recruiting

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A Study of Amivantamab in Participants With Advanced or Metastatic Solid Tumors Including Epidermal Growth Factor Receptor (EGFR)-Mutated Non-Small Cell Lung Cancer

for Carcinoma, Non-small-Cell Lung

Drug: Amivantamab

26 locations incl. La Jolla

Sponsor: Janssen Research & Development, LLC

Sex: All·Age: 18+

Code: NCT05498428·Phase 2·Recruiting

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A Study to Learn More About How Safe the Study Treatment Finerenone is in Long-term Use When Taken With an ACE Inhibitor or Angiotensin Receptor Blocker Over 18 Months of Use in Children and Young Adults From 1 to 18 Years of Age With Chronic Kidney Disease and Proteinuria

for Chronic Kidney Disease

Drug: Finerenone

18 locations incl. Phoenix

Sponsor: Bayer

Sex: All·Age: 1 - 18

Code: NCT05457283·Phase 3·Recruiting

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Levonorgestrel 52 mg IUD for Emergency Contraception and Same-Day Start

for Contraception

8 locations incl. San Jose

Sponsor: University of Utah

Sex: Female·Age: 16 - 35

Code: NCT05444582·Phase 4·Recruiting

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The Diabetes Prevention Program Outcomes Study AD/ADRD Project

for Diabetes

27 locations incl. Phoenix

Sponsor: Marinella Temprosa

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

Code: NCT05704309·Enrolling By Invitation

Emicizumab for Severe Von Willebrand Disease (VWD) and VWD/Hemophilia A

for Von Willebrand Disease, Type 3

12 locations incl. Orange

Sponsor: Bleeding and Clotting Disorders Institute Peoria, Illinois

Sex: All·Age: 0 - 90

Code: NCT05500807·Phase 1·Recruiting

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Pimavanserin vs. Quetiapine for Treatment of Parkinson's Psychosis

for Parkinson's Disease Psychosis

24 locations incl. Tucson

Sponsor: VA Office of Research and Development

Sex: All·Age: 40+·Accepts healthy volunteers

Code: NCT04373317·Phase 4·Recruiting

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Closed-loop Spinal Stimulation for Restoration of Upper Extremity Function After Spinal Cord Injury

for Spinal Cord Injuries

1 location in Seattle

Sponsor: University of Washington

Sex: All·Age: 21 - 70

Code: NCT05267951·Recruiting

Apply to this trial