Washington is currently home to 1721 active clinical trials, seeking participants for engagement in research studies. These trials take place at a variety of cities in the state, including Seattle, Spokane, Tacoma and Vancouver. Whether you're a healthy volunteer interested in paid medical research or someone seeking trials related to a specific condition, the state offers a diverse array of opportunities in your vicinity.
Impact of Behavior Modification Interventions and Lung Cancer Screening on Smoking Cessation in People Living With HIV: A Feasibility Study
Recruiting
This clinical trial evaluates the usefulness of using a smartphone-based HIV-specific smoking cessation intervention at the time of lung cancer screening in helping people living with HIV quit smoking. Positively Smoke Free - Mobile may help patients with HIV quit smoking.
Gender:
ALL
Ages:
Between 45 years and 80 years
Trial Updated:
06/10/2025
Locations: Virginia Mason Medical Center, Seattle, Washington
Conditions: HIV Infection, Tobacco-Related Carcinoma
Total Body Irradiation and Astatine-211-Labeled BC8-B10 Monoclonal Antibody for the Treatment of Nonmalignant Diseases
Recruiting
This phase I/II trial studies the best dose of total body irradiation with astatine-211 BC8-B10 monoclonal antibody for the treatment of patients with nonmalignant diseases undergoing hematopoietic cell transplant. Radiation therapy uses high energy gamma rays to kill cancer cells and shrink tumors. Astatine-211-labeled BC8-B10 monoclonal antibody is a monoclonal antibody, called anti-CD45 monoclonal antibody BC8-B10, linked to a radioactive/toxic agent called astatine 211. Anti-CD45 monoclonal... Read More
Gender:
ALL
Ages:
Between 18 years and 49 years
Trial Updated:
06/10/2025
Locations: Fred Hutch/University of Washington Cancer Consortium, Seattle, Washington
Conditions: Non-Malignant Neoplasm
Regional Radiotherapy in Biomarker Low-Risk Node Positive and T3N0 Breast Cancer
Recruiting
The purpose of this study is to compare the effects on low risk breast cancer receiving usual care that includes regional radiation therapy, with receiving no regional radiation therapy. Researchers want to see if not giving this type of radiation treatment works as well at preventing breast cancer from coming back.
Gender:
FEMALE
Ages:
35 years and above
Trial Updated:
06/10/2025
Locations: MultiCare Auburn Medical Center, Auburn, Washington
Conditions: Breast Cancer
ColoCare Study - Colorectal Cancer Cohort
Recruiting
ColoCare is an international prospective cohort study of stage I-IV colorectal cancer patients (ICD-10 C18-C20).
Gender:
ALL
Ages:
Between 18 years and 89 years
Trial Updated:
06/10/2025
Locations: FHCRC, Seattle, Washington
Conditions: Colorectal Cancer
Effect of Inhaled Technosphere Insulin vs RAA Insulin on Exercise-Induced Hypoglycemia in Adults With T1D Using Automated Insulin Delivery
Recruiting
This investigator-initiated study will enroll about 30 adults 18 to 60 years of age with type 1 diabetes (T1D) who are using the Tandem t:slim X2 insulin pump with Control-IQ or Control-IQ+ technology ("Control-IQ" which will refer to either Control-IQ or Control-IQ+). The study is being done to find out if inhaled insulin given for a meal is safer and better to use than a bolus of insulin through your pump when you exercise following a meal. Participants are asked to complete three study exerci... Read More
Gender:
ALL
Ages:
Between 18 years and 60 years
Trial Updated:
06/09/2025
Locations: University of Washington, Seattle, Washington
Conditions: Diabetes Mellitus, Type 1
To Investigate the Efficacy of Treatment With Oral NA-921 (Bionetide) Versus Placebo in Females With Rett Syndrome
Recruiting
Primary Objective • To investigate the efficacy of treatment with oral Bionetide versus placebo in girls and women with Rett syndrome Key Secondary Objective • To investigate the efficacy of treatment with oral Bionetide versus placebo on ability to communicate in girls and women with Rett syndrome
Gender:
FEMALE
Ages:
Between 5 years and 20 years
Trial Updated:
06/09/2025
Locations: Biomed Testing Facility #BIO-20-98105, Seattle, Washington
Conditions: Rett Syndrome
Dichoptic Treatment for Amblyopia in Children 8 to 12 Years of Age
Recruiting
Participants eligible for the study will be randomly allocated (1:1:1) to receive either Luminopia dichoptic treatment while wearing optical correction if needed, Vivid Vision dichoptic treatment while wearing optical correction if needed, or continued optical correction alone if needed, with clinical assessments at 9- and 18-weeks post-randomization. At the 18-week primary outcome visit, participants who were randomly assigned to receive optical correction alone if needed with an IOD of 1 logM... Read More
Gender:
ALL
Ages:
Between 8 years and 12 years
Trial Updated:
06/09/2025
Locations: Spokane Eye Clinical Research, Spokane, Washington
Conditions: Amblyopia
Dichoptic Treatment for Amblyopia in Children 4 to 7 Years of Age
Recruiting
In children 4 to 7 years of age, to determine if treatment with 1 hour per day 6 days per week of watching dichoptic movies/shows wearing the Luminopia headset is non-inferior to treatment with 2 hours of patching per day 7 days per week with respect to change in amblyopic eye distance VA from randomization to 26 weeks.
Gender:
ALL
Ages:
Between 4 years and 7 years
Trial Updated:
06/09/2025
Locations: Seattle Children's Hospital, University of Washington, Seattle, Washington
Conditions: Amblyopia
Copper Cu 64 PSMA I&T PET Imaging in Men With Newly Diagnosed Prostate Cancer
Recruiting
This is a prospective, open-label Phase 3 study to evaluate copper Cu 64 PSMA I\&T injection for PET/CT imaging in patients with newly diagnosed unfavorable intermediate high-risk, high-risk or very high-risk prostate cancer.
Gender:
MALE
Ages:
18 years and above
Trial Updated:
06/09/2025
Locations: Fred Hutchinson Cancer Center, Seattle, Washington
Conditions: Prostate Cancer, Prostate Adenocarcinoma
Reverse-Engineering of Exclusive Enteral Nutrition (RE-EEN) in Crohn's Disease: A Multi-Center Trial
Recruiting
This study will compare the tolerability and efficacy of conventional formula Exclusive Enteral Nutrition (EEN) and whole-food blended smoothie EEN by enrolling a total of 60 participants with newly diagnosed pediatric Crohn's disease (CD). Participants will be provided either commercial formula or guided on the preparation of the home-blended smoothie. These participants will be given a specific recipe, blender, and be provided the food components to the smoothie. The study will total 8 weeks... Read More
Gender:
ALL
Ages:
Between 8 years and 21 years
Trial Updated:
06/09/2025
Locations: Seattle Children's Hospital, Seattle, Washington
Conditions: Crohn Disease
Janus Kinase (JAK) Inhibitors to Preserve C-Peptide Production in New Onset Type 1 Diabetes (T1D)
Recruiting
A multi-center, placebo-controlled, double blind, 1:1:1 randomized control clinical trial testing two different JAK Inhibitors abrocitnib, ritlecitinib, and placebo in subjects with recent onset Stage 3 Type 1 Diabetes within 100 days of diagnosis.
Gender:
ALL
Ages:
Between 12 years and 35 years
Trial Updated:
06/09/2025
Locations: Benaroya Research Institute, Seattle, Washington
Conditions: Diabetes Mellitus, Type 1
Tafasitamab, Retifanlimab, and Rituximab in Combination With Standard Therapy for the Treatment of Diffuse Large B-cell Lymphoma
Recruiting
This phase I/II trial tests the safety of tafasitamab, retifanlimab, and rituximab (TRR) as a prephase treatment and in combination with standard therapy consisting off cyclophosphamide, doxorubicin, vincristine, and prednisone (CHOP) or polatuzumab vedotin, cyclophosphamide, doxorubicin, and prednisone (PolaCHP) in patients with untreated diffuse large B-cell lymphoma. Tafasitamab, retifanlimab, and rituximab are monoclonal antibodies. Tafasitamab binds to a protein called CD19, which is found... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/09/2025
Locations: Fred Hutch/University of Washington Cancer Consortium, Seattle, Washington
Conditions: Diffuse Large B-Cell Lymphoma, Grade 3b Follicular Lymphoma, High Grade B-Cell Lymphoma