Paid Clinical Trials in Washington

Washington has 1,830 paid clinical trials enrolling now across cities including Seattle, Spokane and Tacoma. Search by condition, age, or phase to find compensated research studies accepting participants near you.

Research sites in Washington include Fred Hutchinson Cancer Center, UW Medicine and Seattle Children's, 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: June 18, 2026.

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1,832 clinical trials

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IV Gallium Study for Patients With Cystic Fibrosis Who Have NTM (ABATE Study)

for Nontuberculous Mycobacterium Infection

10 locations incl. Birmingham

Sponsor: Chris Goss

Sex: All·Age: 18+

Code: NCT04294043·Phase 1·Recruiting

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A Safety and Dose-finding Study of PRL-02 Depot in Men With Advanced Prostate Cancer

for Prostate Cancer

24 locations incl. Tucson

Sponsor: Astellas Pharma Global Development, Inc.

Sex: Male·Age: 18+

Code: NCT04729114·Phase 1·Recruiting

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Avelumab or Hydroxychloroquine With or Without Palbociclib to Eliminate Dormant Breast Cancer

for Breast Cancer

7 locations incl. Washington D.C.

Sponsor: Abramson Cancer Center at Penn Medicine

Sex: All·Age: 18+

Code: NCT04841148·Phase 2·Recruiting

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Target ALS Biomarker Study; Longitudinal Biofluids, Clinical Measures, and At Home Measures

for Amyotrophic Lateral Sclerosis

10 locations incl. Phoenix

Sponsor: Target ALS Foundation, Inc.

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

Code: NCT05137665·Recruiting

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A Phase 1/2 Study of Bleximenib in Participants With Acute Leukemia (cAMeLot-1)

for Acute Leukemia

26 locations incl. Duarte

Sponsor: Janssen Research & Development, LLC

Sex: All·Age: 2+

Code: NCT04811560·Phase 1, Phase 2·Recruiting

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Capivasertib + CDK4/6i + Fulvestrant for Advanced/Metastatic HR+/HER2- Breast Cancer (CAPItello-292)

for Locally Advanced (Inoperable) or Metastatic Breast Cancer

54 locations incl. Tucson

Sponsor: AstraZeneca

Sex: All·Age: 18 - 99

Code: NCT04862663·Phase 3·Recruiting

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Autologous LN-145 in Patients With Metastatic Non-Small-Cell Lung Cancer

for Metastatic Non Small Cell Lung Cancer

46 locations incl. Gilbert

Sponsor: Iovance Biotherapeutics, Inc.

Sex: All·Age: 18 - 70

Code: NCT04614103·Phase 2·Recruiting

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Low Dose ColchicinE in pAtients With Peripheral Artery DiseasE to Address Residual Vascular Risk

for Peripheral Arterial Disease

19 locations incl. New Haven

Sponsor: Population Health Research Institute

Sex: All·Age: 18+

Code: NCT04774159·Phase 3·Recruiting

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Open-label Extension Study to Evaluate the Long-term Safety and Tolerability of Aficamten in Adults With HCM

for Symptomatic Hypertrophic Cardiomyopathy (HCM)

Drug: Aficamten

52 locations incl. Birmingham

Sponsor: Cytokinetics

Sex: All·Age: 18 - 85

Code: NCT04848506·Phase 2, Phase 3·Enrolling By Invitation

Donor Stem Cell Transplant With Treosulfan, Fludarabine, and Thiotepa in Treating Patients With Non-malignant Disorders

for Non-Neoplastic Hematopoietic and Lymphoid Cell Disorder

1 location in Seattle

Sponsor: Fred Hutchinson Cancer Center

Sex: All·Age: Up to 50

Code: NCT03980769·Phase 2·Recruiting

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A Study of NX-2127 in Adults With Relapsed/Refractory B-cell Malignancies

for Chronic Lymphocytic Leukemia (CLL)

16 locations incl. Duarte

Sponsor: Nurix Therapeutics, Inc.

Sex: All·Age: 18+

Code: NCT04830137·Phase 1·Recruiting

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PROMISE Registry: A Prostate Cancer Registry of Outcomes and Germline Mutations for Improved Survival and Treatment Effectiveness

for Prostate Cancer

3 locations incl. Baltimore

Sponsor: Prostate Cancer Clinical Trials Consortium

Sex: Male·Age: 18+

Code: NCT04995198·Recruiting

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Autologous Mitochondrial Transplant for Cerebral Ischemia

for Cerebral Ischemia

1 location in Seattle

Sponsor: University of Washington

Sex: All·Age: 18 - 85

Code: NCT04998357·Recruiting

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Long-term Safety Study of Rimegepant in Pediatric Subjects for the Acute Treatment of Migraine

for Acute Treatment of Migraine

Drug: Rimegepant

116 locations incl. Scottsdale

Sponsor: Pfizer

Sex: All·Age: 6 - 17

Code: NCT04743141·Phase 3·Recruiting

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A Study to Assess Change in Disease Activity and Adverse Events (AEs) With Cariprazine in the Treatment of Depressive Episodes in Pediatric Participants Participants (10 to 17 Years of Age) With Bipolar I Disorder.

for Depression

Drug: Cariprazine

69 locations incl. Bentonville

Sponsor: AbbVie

Sex: All·Age: 10 - 17

Code: NCT04777357·Phase 3·Recruiting

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ELEVATE, a Registry of Patients With Acute Hepatic Porphyria (AHP)

for Acute Hepatic Porphyria

13 locations incl. Birmingham

Sponsor: Alnylam Pharmaceuticals

Sex: All·Age: 12+

Code: NCT04883905·Recruiting

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A Study to Evaluate Tovorafenib in Pediatric and Young Adult Participants With Relapsed or Progressive Low-Grade Glioma and Advance Solid Tumors

for Low-grade Glioma

14 locations incl. San Francisco

Sponsor: Day One Biopharmaceuticals, Inc.

Sex: All·Age: 6 Months - 25

Code: NCT04775485·Phase 2·Recruiting

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Impact of DNA Repair Pathway Alterations on Sensitivity to Radium-223 in Bone Metastatic Castration-resistant Prostate Cancer

for Castration-Resistant Prostate Carcinoma

4 locations incl. Baltimore

Sponsor: University of Washington

Sex: Male·Age: 18+

Code: NCT04489719·Recruiting

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A Pilot Study of Larotrectinib for Newly-Diagnosed High-Grade Glioma With NTRK Fusion

for High Grade Glioma

10 locations incl. Aurora

Sponsor: Nationwide Children's Hospital

Sex: All·Age: Up to 21

Code: NCT04655404·EARLY_Phase 1·Recruiting

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

for Hematologic Malignancies

Drug: Nemtabrutinib

11 locations incl. Springdale

Sponsor: Merck Sharp & Dohme LLC

Sex: All·Age: 18+

Code: NCT04728893·Phase 2·Recruiting

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Drug-Eluting Registry: Real-World Treatment of Lesions in the Peripheral Vasculature

for Peripheral Vascular Diseases

52 locations incl. Jonesboro

Sponsor: Boston Scientific Corporation

Sex: All·Age: 18+

Code: NCT04674969·Recruiting

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ENdoluminal LIGHT ActivatED Treatment of Upper Tract Urothelial Cancer (ENLIGHTED) Study

for Transitional Cell Cancer of Renal Pelvis and Ureter

12 locations incl. Irvine

Sponsor: Steba Biotech S.A.

Sex: All·Age: 18+

Code: NCT04620239·Phase 3·Recruiting

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Phase Ib Study of the Safety of T-DXd and Immunotherapy Agents With and Without Chemotherapy in Advanced or Metastatic HER2+, Non-squamous NSCLC

for Locally Advanced or Metastatic Non-Small Cell Lung Cancer

13 locations incl. Duarte

Sponsor: AstraZeneca

Sex: All·Age: 18+

Code: NCT04686305·Phase 1·Recruiting

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Comparing the Outcome of Immunotherapy-Based Drug Combination Therapy With or Without Surgery to Remove the Kidney in Metastatic Kidney Cancer, the PROBE Trial

for Metastatic Clear Cell Renal Cell Carcinoma

387 locations incl. Birmingham

Sponsor: SWOG Cancer Research Network

Sex: All·Age: 18+

Code: NCT04510597·Phase 3·Recruiting

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Fenofibrate for Prevention of DR Worsening

for Diabetic Retinopathy

66 locations incl. Glendale

Sponsor: Jaeb Center for Health Research

Sex: All·Age: 18 - 80

Code: NCT04661358·Phase 3·Recruiting

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Determinants of Incident Stroke Cognitive Outcomes and Vascular Effects on RecoverY

for Ischemic Stroke

31 locations incl. Phoenix

Sponsor: Massachusetts General Hospital

Sex: All·Age: 18+

Code: NCT04916210·Recruiting

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A Study of Axatilimab at 3 Different Doses in Participants With Chronic Graft Versus Host Disease (cGVHD)

for Chronic Graft-versus-host-disease

47 locations incl. Birmingham

Sponsor: Syndax Pharmaceuticals

Sex: All·Age: 2+

Code: NCT04710576·Phase 2·Recruiting

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Testing Early Treatment for Patients With High-Risk Chronic Lymphocytic Leukemia (CLL) or Small Lymphocytic Leukemia (SLL), EVOLVE CLL/SLL Study

for Chronic Lymphocytic Leukemia

620 locations incl. Birmingham

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT04269902·Phase 3·Recruiting

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Testing the Use of Combination Therapy in Adult Patients With Newly Diagnosed Multiple Myeloma, the EQUATE Trial

for Plasma Cell Myeloma

642 locations incl. Anchorage

Sponsor: ECOG-ACRIN Cancer Research Group

Sex: All·Age: 18+

Code: NCT04566328·Phase 3·Recruiting

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Single-Sided Deafness and Asymmetric Hearing Loss

for Hearing Loss, Unilateral

5 locations incl. Chicago

Sponsor: Med-El Corporation

Sex: All·Age: 5+

Code: NCT04506853·Recruiting

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Reduced Intensity Haploidentical Transplantation for the Treatment of Primary or Secondary Myelofibrosis

for Primary Myelofibrosis

1 location in Seattle

Sponsor: Fred Hutchinson Cancer Center

Sex: All·Age: 18 - 70

Code: NCT04370301·Phase 2·Recruiting

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DNA-guided Second Line Adjuvant Therapy for High Residual Risk, Estrogen Receptor Positive, HER-2 Negative Breast Cancer (DARE)

for Breast Cancer

19 locations incl. Tucson

Sponsor: Criterium, Inc.

Sex: All·Age: All ages

Code: NCT04567420·Phase 2·Recruiting

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Study to Test OBI-3424 in Patients With T-Cell Acute Lymphoblastic Leukemia (T-ALL) or T-Cell Lymphoblastic Lymphoma (T-LBL)

for Recurrent T Acute Lymphoblastic Leukemia

163 locations incl. Birmingham

Sponsor: SWOG Cancer Research Network

Sex: All·Age: 12+

Code: NCT04315324·Phase 1, Phase 2·Recruiting

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ARDS in Children and ECMO Initiation Strategies Impact on Neurodevelopment (ASCEND)

for Acute Respiratory Distress Syndrome

76 locations incl. Birmingham

Sponsor: University of Michigan

Sex: All·Age: 14 Days - 20

Code: NCT05388708·Recruiting

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Lay-Delivered Behavioral Activation in Senior Centers

for Depression

25 locations incl. Brandon

Sponsor: University of Washington

Sex: All·Age: 60+

Code: NCT04621877·Recruiting

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Donor Stem Cell Transplant With Treosulfan, Fludarabine, and Total-Body Irradiation for the Treatment of Hematological Malignancies

for Acute Leukemia

1 location in Seattle

Sponsor: Fred Hutchinson Cancer Center

Sex: All·Age: 6 Months+·Accepts healthy volunteers

Code: NCT04195633·Phase 2·Recruiting

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Surgery With or Without Neoadjuvant Chemotherapy in High Risk RetroPeritoneal Sarcoma

for Retroperitoneal Sarcoma

109 locations incl. Birmingham

Sponsor: European Organisation for Research and Treatment of Cancer - EORTC

Sex: All·Age: 18+

Code: NCT04031677·Phase 3·Recruiting

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Randomized Study in Children and Adolescents With Migraine: Acute Treatment

for Pediatric Migraine

169 locations incl. Birmingham

Sponsor: Pfizer

Sex: All·Age: 6 - 17

Code: NCT04649242·Phase 3·Recruiting

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Improving Cancer-related Fatigue, Sexual Dysfunction and Quality of Life in Older Men With Cancer and Androgen Deficiency

for Hypogonadism, Male

3 locations incl. Augusta

Sponsor: Seattle Institute for Biomedical and Clinical Research

Sex: Male·Age: 55+

Code: NCT04301765·Phase 2·Recruiting

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Testing the Addition of Radiation Therapy to the Usual Immune Therapy Treatment (Atezolizumab) for Extensive Stage Small Cell Lung Cancer, The RAPTOR Trial

for Extensive Stage Lung Small Cell Carcinoma

Drug: Atezolizumab

416 locations incl. Birmingham

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT04402788·Phase 2, Phase 3·Recruiting

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