There are currently 1249 clinical trials in Seattle, Washington looking for participants to engage in research studies. Trials are conducted at various facilities, including University of Washington, Seattle Children's Hospital, Fred Hutchinson Cancer Research Center and University of Washington Medical Center. Whether you're a healthy volunteer looking to participate in paid medical research or seeking trials related to a specific condition, the city provides a diverse range of opportunities near you.
A Study of Efficacy and Safety of Ianalumab in Previously Treated Patients With Warm Autoimmune Hemolytic Anemia
NCT05648968
Recruiting
The purpose of this study is to evaluate efficacy and safety of ianalumab compared to placebo in patients with warm autoimmune hemolytic anemia, who failed at least one line of treatment.
Gender:
ALL
Ages:
Between 18 years and 100 years
Trial Updated:
08/21/2025
Locations: Fred Hutchinson Cancer Center, Seattle, Washington
Conditions: Warm Autoimmune Hemolytic Anemia (wAIHA)
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A Study of Doxycycline to Treat Chlamydial Infection
NCT05840159
Recruiting
This is a Phase 4 blinded, randomized, active-controlled, non-inferiority trial. Final evaluable population will include a minimum 596 individuals: 298 women with confirmed urogenital chlamydia (CT) and 298 men with confirmed rectal chlamydia (CT). Approximately 664 participants will be enrolled to achieve a minimum 596 participants who contribute primary outcome data. Randomization will be stratified by study site and sex: 332 women and 332 men. Participants will be randomized 1:1 to a 3-day re... Read More
Gender:
ALL
Ages:
16 years and above
Trial Updated:
08/21/2025
Locations: University of Washington - Harborview Medical Center - Center for AIDS and STD, Seattle, Washington
Conditions: Chlamydial Infection
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Phase 2/3 Adaptive Study of VX-147 in Adult and Pediatric Participants With APOL1- Mediated Proteinuric Kidney Disease
NCT05312879
Recruiting
The purpose of this study is to evaluate the efficacy, safety, tolerability, and pharmacokinetics (PK) of VX-147 in adult and pediatric participants with apolipoprotein L1 (APOL1)-mediated proteinuric kidney disease.
Gender:
ALL
Ages:
Between 10 years and 65 years
Trial Updated:
08/21/2025
Locations: UW Medical Center - Montlake - Nephrology, Seattle, Washington
Conditions: Proteinuric Kidney Disease
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Testing the Addition of MEDI4736 (Durvalumab) to Chemotherapy Before Surgery for Patients With High-Grade Upper Urinary Tract Cancer
NCT04628767
Recruiting
This phase II/III trial compares the effect of adding durvalumab to chemotherapy versus chemotherapy alone before surgery in treating patients with upper urinary tract cancer. Immunotherapy with monoclonal antibodies, such as durvalumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Chemotherapy drugs, such as methotrexate, vinblastine, doxorubicin, cisplatin, and gemcitabine work in different ways to stop the growth of... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/21/2025
Locations: Fred Hutchinson Cancer Center, Seattle, Washington +1 locations
Conditions: Renal Pelvis and Ureter Urothelial Carcinoma
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Testing the Addition of Herceptin Hylecta or Phesgo to the Usual Chemotherapy for HER2 Positive Endometrial Serous Carcinoma or Carcinosarcoma
NCT05256225
Recruiting
This phase III trial tests whether adding trastuzumab and hyaluronidase-oysk (Herceptin Hylecta \[TM\]) or pertuzumab, trastuzumab and hyaluronidase-zzxf (Phesgo \[TM\]) to the usual chemotherapy (paclitaxel and carboplatin) works to shrink tumors in patients with HER2 positive endometrial cancer. Trastuzumab and pertuzumab are monoclonal antibodies and forms of targeted therapy that attach to specific molecules (receptors) on the surface of tumor cells, known as HER2 receptors. When trastuzumab... Read More
Gender:
FEMALE
Ages:
18 years and above
Trial Updated:
08/21/2025
Locations: Swedish Medical Center-First Hill, Seattle, Washington
Conditions: Endometrial Serous Adenocarcinoma, Uterine Corpus Carcinosarcoma, Endometrial Carcinoma, Endometrial Clear Cell Adenocarcinoma, Endometrial Dedifferentiated Carcinoma, Endometrial Endometrioid Adenocarcinoma, Endometrial Mixed Cell Adenocarcinoma, Endometrial Undifferentiated Carcinoma
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A Study With Tovorafenib (DAY101) as a Treatment Option for Progressive, Relapsed, or Refractory Langerhans Cell Histiocytosis
NCT05828069
Recruiting
This phase II trial tests the safety, side effects, best dose and activity of tovorafenib (DAY101) in treating patients with Langerhans cell histiocytosis that is growing, spreading, or getting worse (progressive), has come back (relapsed) after previous treatment, or does not respond to therapy (refractory). Langerhans cell histiocytosis is a type of disease that occurs when the body makes too many immature Langerhans cells (a type of white blood cell). When these cells build up, they can form... Read More
Gender:
ALL
Ages:
Between 180 days and 22 years
Trial Updated:
08/21/2025
Locations: Seattle Children's Hospital, Seattle, Washington
Conditions: Recurrent Langerhans Cell Histiocytosis, Refractory Langerhans Cell Histiocytosis
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First-in-Human PfSPZ-LARC2 Vaccination/CHMI
NCT06735209
Recruiting
This randomized, double-blind, placebo-controlled, Phase 1 trial will enroll up to 22 malaria-naïve, adult participants to test safety, tolerability, immunogenicity, and efficacy of the genetically attenuated Plasmodium falciparum sporozoite vaccine (PfSPZ-LARC2) Vaccine. PfSPZ-LARC2 Vaccine is a late-arresting, replication-competent whole Plasmodium falciparum sporozoite product. We hypothesize that the PfSPZ-LARC2 Vaccine will be safe from breakthrough infection by virtue of deletion of two ke... Read More
Gender:
ALL
Ages:
Between 18 years and 45 years
Trial Updated:
08/21/2025
Locations: The University of Washington - Virology Research Clinic, Seattle, Washington
Conditions: Malaria
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Testing the Addition of a Type of Drug Called Immunotherapy to the Usual Chemotherapy Treatment for Non-small Cell Lung Cancer, an ALCHEMIST Treatment Trial (Chemo-IO [ACCIO])
NCT04267848
Recruiting
This phase III ALCHEMIST treatment trial tests the addition of pembrolizumab to usual chemotherapy for the treatment of stage IIA, IIB, IIIA or IIIB non-small cell lung cancer that has been removed by surgery. Immunotherapy with monoclonal antibodies, such as pembrolizumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Chemotherapy drugs, such as cisplatin, pemetrexed, carboplatin, gemcitabine hydrochloride, and paclita... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/21/2025
Locations: Pacific Gynecology Specialists, Seattle, Washington +3 locations
Conditions: Lung Non-Small Cell Carcinoma, Lung Non-Small Cell Squamous Carcinoma, Lung Non-Squamous Non-Small Cell Carcinoma, Stage II Lung Cancer AJCC v8, Stage IIIA Lung Cancer AJCC v8, Stage IIIB Lung Cancer AJCC v8
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A Study to Test Whether Vicadrostat in Combination With Empagliflozin Helps People With Heart Failure
NCT06424288
Recruiting
This study is open to adults aged 18 or above legal age with heart failure. People can join the study if they have heart failure symptoms and a left ventricular ejection fraction (LVEF) of 40% or more. The purpose of this study is to find out whether vicadrostat (BI 690517) in combination with empagliflozin helps people with heart failure. Participants are put into 2 groups by chance. Every participant has an equal chance of being in each group. The groups are: * Vicadrostat and empagliflozin... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/21/2025
Locations: Virginia Mason Medical Center, Seattle, Washington
Conditions: Heart Failure
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Testing the Addition of the Anti-cancer Drug Venetoclax and/or the Anti-cancer Immunotherapy Blinatumomab to the Usual Chemotherapy Treatment for Infants With Newly Diagnosed KMT2A-rearranged or KMT2A-non-rearranged Leukemia
NCT06317662
Recruiting
This phase II trial tests the addition of venetoclax and/or blinatumomab to usual chemotherapy for treating infants with newly diagnosed acute lymphoblastic leukemia (ALL) with a KMT2A gene rearrangement (KMT2A-rearranged \[R\]) or without a KMT2A gene rearrangement (KMT2A-germline \[G\]). Venetoclax is in a class of medications called B-cell lymphoma-2 (Bcl-2) inhibitors. It may stop the growth of cancer cells by blocking Bcl-2, a protein needed for cancer cell survival. Blinatumomab is a monoc... Read More
Gender:
ALL
Ages:
365 days and below
Trial Updated:
08/21/2025
Locations: Seattle Children's Hospital, Seattle, Washington
Conditions: Acute Leukemia of Ambiguous Lineage, B Acute Lymphoblastic Leukemia
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Safety, Reactogenicity, and Immunogenicity Trial of STX-S SARS-CoV-2 Vaccine in Adults
NCT07095231
Recruiting
This phase 1 clinical trial will evaluate the safety, reactogenicity, and immunogenicity of STX-S in adults who have previously received a primary series and at least one booster with an authorized or licensed SARS-CoV-2 parenteral vaccine. The study is designed as a non-randomized, open-label, dose-escalation clinical trial evaluating three dose levels of STX-S. A sample size of 60 participants (20 participants per dose cohort) is anticipated. The primary objective is to evaluate the safety and... Read More
Gender:
ALL
Ages:
Between 18 years and 64 years
Trial Updated:
08/21/2025
Locations: Kaiser Permanente Washington Health Research Institute, Seattle, Washington +1 locations
Conditions: COVID-19
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A Study to Evaluate Efficacy and Safety of an Investigational Drug Named Volixibat in Patients With Itching Caused by Primary Biliary Cholangitis
NCT05050136
Recruiting
The purpose of this clinical research study is to learn more about the use of the study medicine, volixibat, for the treatment of pruritus (itching) associated with Primary Biliary Cholangitis (PBC), and to assess the possible impact on the disease progression of PBC.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/21/2025
Locations: Liver Institute Northwest, Seattle, Washington
Conditions: Primary Biliary Cholangitis, PBC
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