Paid Clinical Trials in Washington

Washington has 1,720 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: July 28, 2026.

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1,560 clinical trials

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Study of Subcutaneous Epcoritamab in Combination With Intravenous Rituximab and Oral Lenalidomide (R2) to Assess Adverse Events and Change in Disease Activity in Adult Participants With Previously Untreated Follicular Lymphoma

for Follicular Lymphoma (FL)

Drug: Epcoritamab

Sites in Tacoma, Olympia +30 more locations

Sponsor: Genmab

Sex: All·Age: 18+

Code: NCT06191744·Phase 3·Recruiting·Listed Jan 2024

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This is a Study to Learn About How the Combination of the Study Medicines Sigvotatug Vedotin Plus Pembrolizumab Works in People With Non-small Cell Lung Cancer With High Levels of PD-L1.

for Non-Small Cell Lung Cancer

Drug: sigvotatug vedotin

Sites in Olympia +74 more locations

Sponsor: Pfizer

Sex: All·Age: 18+

Code: NCT06758401·Phase 3·Recruiting·Listed Jan 2025

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A Clinical Study of Calderasib (MK-1084) With Targeted Therapy and Chemotherapy in People With Colorectal Cancer (MK-1084-012/KANDLELIT-012)

for Colon Adenocarcinoma

Drug: Calderasib

Sites in Seattle +31 more locations

Sponsor: Merck Sharp & Dohme LLC

Sex: All·Age: 18+

Code: NCT06997497·Phase 3·Recruiting·Listed May 2025

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A Study to Evaluate IPN10200 Safety and Efficacy in the Prevention of Episodic or Chronic Migraine in Adults

for Episodic Migraine

Sites in Tacoma +67 more locations

Sponsor: Ipsen

Sex: All·Age: 18 - 80

Code: NCT06625060·Phase 2·Recruiting·Listed Oct 2024

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A Study to Evaluate Efficacy and Safety of Giredestrant Compared With Fulvestrant (Plus a CDK4/6 Inhibitor), in Participants With ER-Positive, HER2-Negative Advanced Breast Cancer Resistant to Adjuvant Endocrine Therapy (pionERA Breast Cancer)

for Estrogen Receptor-Positive, HER2-Negative Advanced Breast Cancer

Drug: Giredestrant

Sites in Tacoma +53 more locations

Sponsor: Hoffmann-La Roche

Sex: All·Age: 18+

Code: NCT06065748·Phase 3·Recruiting·Listed Oct 2023

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A Randomized Comparison of Stage-Based Care Versus Risk Factor-Based Care for Prevention of Cardiovascular Events

for Diabetes Mellitus, Type 2

Sites in Seattle, Everett +121 more locations

Sponsor: Cleerly, Inc.

Sex: All·Age: 55+·Accepts healthy volunteers

Code: NCT06112418·Recruiting·Listed Nov 2023

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A Study of Opevesostat (MK-5684) Versus Alternative Next-generation Hormonal Agent (NHA) in Metastatic Castration-resistant Prostate Cancer (mCRPC) Post One NHA (MK-5684-004)

for Metastatic Castration-resistant Prostate Cancer (mCRPC)

Sites in Spokane, Vancouver +56 more locations

Sponsor: Merck Sharp & Dohme LLC

Sex: All·Age: 18+

Code: NCT06136650·Phase 3·Recruiting·Listed Nov 2023

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A Study to Evaluate the Safety and Efficacy of BGB-16673 Compared to Pirtobrutinib in Adults With Relapsed/Refractory Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma

for Chronic Lymphocytic Leukemia

Sites in Seattle, Spokane +40 more locations

Sponsor: BeOne Medicines

Sex: All·Age: 18+

Code: NCT06973187·Phase 3·Recruiting·Listed May 2025

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A Study to Learn About the Study Medicine Ibuzatrelvir in Adults With COVID-19 Who Are Severely Immunocompromised

for COVID-19 Infection

Sites in Seattle +64 more locations

Sponsor: Pfizer

Sex: All·Age: 18+

Code: NCT07013474·Phase 3·Recruiting·Listed Jun 2025

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A Study Evaluating BFB759 in Moderate to Severe Atopic Dermatitis

for Atopic Dermatitis (AD)

Sites in Burien +47 more locations

Sponsor: Bluefin Biomedicine, Inc.

Sex: All·Age: 18 - 75

Code: NCT07105488·Phase 2·Recruiting·Listed Aug 2025

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A Study to Evaluate the Safety and Efficacy of Ruxolitinib Cream in Pediatric Participants With Nonsegmental Vitiligo

for NonSegmental Vitiligo

Drug: Ruxolitinib

Sites in Seattle, Spokane +67 more locations

Sponsor: Incyte Corporation

Sex: All·Age: 2 - 11

Code: NCT06548360·Phase 3·Recruiting·Listed Aug 2024

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A Study of Vedolizumab in Adults With Ulcerative Colitis or Crohn's Disease in the Community Setting

for Ulcerative Colitis

Sites in Bellevue +77 more locations

Sponsor: Takeda

Sex: All·Age: 18 - 80

Code: NCT06581328·Phase 4·Recruiting·Listed Sep 2024

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Phase 2/3 Trial of Izalontamab Brengitecan vs Platinum-based Chemotherapy for Metastatic Urothelial Cancer With Disease Progression on or After Immunotherapy

for Urothelial Cancer

Sites in Seattle +32 more locations

Sponsor: Bristol-Myers Squibb

Sex: All·Age: 18+

Code: NCT07106762·Phase 2, Phase 3·Recruiting·Listed Aug 2025

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MILD® Percutaneous Image-Guided Lumbar Decompression: A Medicare Claims Study

for Lumbar Spinal Stenosis

Sites in Vancouver, Bellevue +2341 more locations

Sponsor: Stryker Instruments

Sex: All·Age: 18+

Code: NCT03072927·Recruiting·Listed Mar 2017

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A Clinical Study of Molnupiravir to Prevent Severe Illness From Coronavirus Disease 2019 (COVID-19) in People Who Are High Risk (MK-4482-023)

for Coronavirus Disease (COVID-19)

Sites in Redmond +60 more locations

Sponsor: Merck Sharp & Dohme LLC

Sex: All·Age: 18+

Code: NCT06667700·Phase 3·Recruiting·Listed Oct 2024

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Long-Term Follow-up Protocol for Participants Treated With Gene-Modified T Cells

for Neoplasms

Sites in Seattle +76 more locations

Sponsor: Celgene

Sex: All·Age: All ages

Code: NCT03435796·Phase 2, Phase 3·Recruiting·Listed Feb 2018

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A Study to Learn About a Study Medicine Called Ibuzatrelvir in Adult and Adolescent Patients With COVID-19 Who Are Not Hospitalized But Are at Risk For Severe Disease

for COVID-19 SARS-CoV-2 Infection

Sites in Redmond +80 more locations

Sponsor: Pfizer

Sex: All·Age: 12+

Code: NCT06679140·Phase 3·Recruiting·Listed Nov 2024

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A Study to Assess Adverse Events and How Intravenously (IV) Infused Telisotuzumab Vedotin (ABBV-399) Moves Through the Body as a Monotherapy in Adult Participants With Previously Treated Non-Squamous Non-Small Cell Lung Cancer (NSCLC)

for Non-Small Cell Lung Cancer

Drug: Telisotuzumab Vedotin

Sites in Spokane, Tacoma +36 more locations

Sponsor: AbbVie

Sex: All·Age: 18+

Code: NCT06568939·Phase 2·Recruiting·Listed Aug 2024

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Long-term Safety and Efficacy Extension Study for Participants With Advanced Tumors Who Are Currently on Treatment or in Follow-up in a Pembrolizumab (MK-3475) Study (MK-3475-587/KEYNOTE-587)

for Solid Tumors

Sites in Seattle +42 more locations

Sponsor: Merck Sharp & Dohme LLC

Sex: All·Age: 18+

Code: NCT03486873·Phase 3·Recruiting·Listed Apr 2018

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A Study of Nemtabrutinib (MK-1026) Versus Comparator (Investigator's Choice of Ibrutinib or Acalabrutinib) in First Line (1L) Chronic Lymphocytic Leukemia (CLL)/ Small Lymphocytic Lymphoma (SLL) (MK-1026-011/BELLWAVE-011)

for Chronic Lymphocytic Leukemia

Drug: Nemtabrutinib

Sites in Spokane +42 more locations

Sponsor: Merck Sharp & Dohme LLC

Sex: All·Age: 18+

Code: NCT06136559·Phase 3·Recruiting·Listed Nov 2023

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A Study of Sacituzumab Tirumotecan (Sac-TMT, MK-2870) as Monotherapy and in Combination With Pembrolizumab (MK-3475) in Participants With Triple-Negative Breast Cancer (MK-2870-011/TroFuse-011)

for Triple Negative Breast Neoplasms

Sites in Seattle +36 more locations

Sponsor: Merck Sharp & Dohme LLC

Sex: All·Age: 18+

Code: NCT06841354·Phase 3·Recruiting·Listed Feb 2025

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A Study to Investigate Effectiveness of Tirzepatide Following Initiation of Ixekizumab in Participants With Active Psoriatic Arthritis and Overweight or Obesity in Clinical Practice (TOGETHER AMPLIFY-PsA)

for Psoriatic Arthritis

Drug: Tirzepatide

Sites in Seattle, Spokane Valley +51 more locations

Sponsor: Eli Lilly and Company

Sex: All·Age: 18+

Code: NCT06864026·Phase 4·Recruiting·Listed Mar 2025

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Study of LHP588 in Subjects With P. Gingivalis-Positive Alzheimer's Disease

for Alzheimer Disease

Sites in Bellevue +38 more locations

Sponsor: Lighthouse Pharmaceuticals, Inc.

Sex: All·Age: 55 - 80

Code: NCT06847321·Phase 2·Recruiting·Listed Feb 2025

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Phase 2a Study of VX-407 in Participants With ADPKD Who Have a Subset of PKD1 Gene Variants (AGLOW)

for Autosomal Dominant Polycystic Kidney Disease (ADPKD)

Sites in Seattle +25 more locations

Sponsor: Vertex Pharmaceuticals Incorporated

Sex: All·Age: 18 - 65

Code: NCT07161037·Phase 2·Recruiting·Listed Sep 2025

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Assessment of CCM in HF With Higher Ejection Fraction

for Heart Failure

Sites in Seattle, Vancouver +74 more locations

Sponsor: Impulse Dynamics

Sex: All·Age: 18+

Code: NCT05064709·Recruiting·Listed Oct 2021

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A Phase 3 Study of Revaccination in Subsequent Pregnancies With Bivalent RSV Vaccine and Duration of Protection of a Single Dose

for RSV Infection

Sites in Seattle +80 more locations

Sponsor: Pfizer

Sex: All·Age: 0+·Accepts healthy volunteers

Code: NCT06866405·Phase 3·Recruiting·Listed Mar 2025

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A Study to Test Whether Vicadrostat in Combination With Empagliflozin Helps People With Heart Failure

for Heart Failure

Drug: Empagliflozin

Sites in Seattle +94 more locations

Sponsor: Boehringer Ingelheim

Sex: All·Age: 18+

Code: NCT06424288·Phase 3·Recruiting·Listed May 2024

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A Study Evaluating the Efficacy and Safety of Inavolisib Plus CDK4/6 Inhibitor and Letrozole vs Placebo + CDK4/6i and Letrozole in Participants With Endocrine-Sensitive PIK3CA-Mutated, Hormone Receptor-Positive, HER2-Negative Advanced Breast Cancer

for Breast Cancer

Sites in Seattle, Tacoma +52 more locations

Sponsor: Hoffmann-La Roche

Sex: All·Age: 18+

Code: NCT06790693·Phase 3·Recruiting·Listed Jan 2025

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A Study to Assess Anti-Tumor Activity of Intravenously (IV) Infused Carboplatin With Mirvetuximab Soravtansine in Participants With Newly Diagnosed Folate Receptor Alpha (FRα)Expressing Advanced-Stage Serous Epithelial Ovarian, Fallopian Tube or Primary Peritoneal Cancer.

for Epithelial Ovarian Cancer

Sites in Spokane +64 more locations

Sponsor: AbbVie

Sex: Female·Age: 18+

Code: NCT06890338·Phase 2·Recruiting·Listed Mar 2025

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A Master Protocol Study (LY900028) of Multiple Intervention-Specific-Appendices (ISAs) in Participants With Chronic Pain

for Osteoarthritis, Knee

Sites in Bellevue, Renton +39 more locations

Sponsor: Eli Lilly and Company

Sex: All·Age: 18+

Code: NCT05986292·Phase 2·Recruiting·Listed Aug 2023

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Signatera-Guided CDK4/6 Inhibitor Therapy in Breast Cancer

for Breast Neoplasms

Sites in Seattle, Tacoma +37 more locations

Sponsor: Natera, Inc.

Sex: All·Age: 18+

Code: NCT07214532·Recruiting·Listed Oct 2025

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Consolidation of First-Line MRD+ Remission With Cema-cel in Patients With LBCL

for Large B-cell Lymphoma

Sites in Seattle +59 more locations

Sponsor: Allogene Therapeutics

Sex: All·Age: 18+

Code: NCT06500273·Phase 2·Recruiting·Listed Jul 2024

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Study of Opevesostat (MK-5684) Versus Alternative NHA in mCRPC (MK-5684-003)

for Prostate Cancer Metastatic

Sites in Seattle +30 more locations

Sponsor: Merck Sharp & Dohme LLC

Sex: All·Age: 18+

Code: NCT06136624·Phase 3·Recruiting·Listed Nov 2023

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A Study of Disitamab Vedotin in Adults With HER2 Expressing Advanced Breast Cancer

for Breast Cancer

Sites in Seattle +133 more locations

Sponsor: Pfizer

Sex: All·Age: 18+

Code: NCT06966453·Phase 1, Phase 2·Recruiting·Listed May 2025

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A Study to Evaluate the Safety and Effectiveness of Upadacitinib Tablets in Adult and Adolescent Participants With Severe Alopecia Areata

for Alopecia Areata

Drug: Upadacitinib

Sites in Spokane +39 more locations

Sponsor: AbbVie

Sex: All·Age: 12 - 63

Code: NCT06012240·Phase 3·Recruiting·Listed Aug 2023

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A Study to Learn About the Medicine Ponsegromab in Adults With Cancer of the Pancreas Which Has Spread and Caused Significant Body Weight Loss and Fatigue

for Cachexia

Drug: ponsegromab

Sites in Seattle +80 more locations

Sponsor: Pfizer

Sex: All·Age: 18+

Code: NCT06989437·Phase 2, Phase 3·Recruiting·Listed May 2025

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Seladelpar in Subjects With Primary Biliary Cholangitis (PBC) and Compensated Cirrhosis

for Primary Biliary Cholangitis

Sites in Seattle +50 more locations

Sponsor: Gilead Sciences

Sex: All·Age: 18+

Code: NCT06051617·Phase 3·Recruiting·Listed Sep 2023

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Study Assessing Activity of Intravenous (IV) Etentamig Monotherapy Versus Standard Available Therapies in Adult Participants With Relapsed or Refractory Multiple Myeloma

for Multiple Myeloma

Drug: Etentamig

Sites in Tacoma +35 more locations

Sponsor: AbbVie

Sex: All·Age: 18+

Code: NCT06158841·Phase 3·Recruiting·Listed Dec 2023

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A Trial to Evaluate the Safety and Activity of Fruquintinib in Minority Populations With Advanced, Previously Treated Colorectal Cancer

for Colorectal Cancer

Sites in Northwest +31 more locations

Sponsor: Takeda

Sex: All·Age: 18+

Code: NCT06562543·Phase 4·Recruiting·Listed Aug 2024

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A Study to Customize Ibrutinib Treatment Regimens for Participants With Previously Untreated Chronic Lymphocytic Leukemia

for Leukemia, Lymphocytic, Chronic, B-Cell

Drug: Ibrutinib

Sites in Seattle, Vancouver +26 more locations

Sponsor: Janssen Research & Development, LLC

Sex: All·Age: 18+

Code: NCT05963074·Phase 2·Recruiting·Listed Jul 2023

Apply to this trial