7 ADHD Clinical Trials in Seattle, WA (2026)

Q: How do I join a clinical trial in Seattle?

Browse available studies, click one that interests you, and complete the free eligibility form. A study coordinator at the Seattle research site will contact you.

Recruiting ADHD Studies in Seattle

NCT03781752Recruiting

Carboxylesterase 1 Genetic Variation and Methylphenidate in ADHD

The study team will determine the association between d,l-methylphenidate (MPH) therapeutic outcomes in ADHD patients and genetic variants of CES1 and reveal key associations between CES1 genotypes an...

Seattle, WAPHASE4500 participantsIcahn School of Medicine at Mount Sinai

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NCT05080998Recruiting

Longitudinal Bladder Cancer Study for Tumour Recurrence

Surveillance for recurrence of urothelial carcinoma (UC) requires frequent cystoscopy, which is invasive, expensive and time-consuming. An accurate urinary biomarker has the potential to reduce the nu...

Seattle, WA450 participantsPacific Edge Limited

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NCT07225127Recruiting

Comparison of Intravesical Therapy and Surgery as Treatment Options for Bladder Cancer 2

Bladder cancer is the most common urinary tract cancer and the 6th most common cancer in the US. Yet bladder cancer research is underfunded relative to other common cancers. As a result, bladder cance...

Seattle, WA408 participantsUniversity of Washington

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NCT06040762Recruiting

A Home-Based Prehabilitation Exercise Intervention for Improving Physical Function in Patients With Bladder Cancer and Upper Tract Urothelial Cancer, Get Moving Trial

Prehabilitation refers to the process of improving a patient's functional capabilities prior to a surgical procedure with the goal of decreasing post-surgical inactivity and physical decline. This cli...

Seattle, WANA128 participantsUniversity of Washington

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NCT07302230Recruiting

Home-Based Physical Activity Program With Digital App Versus Health Education Group for Improving Physical Activity Among Patients With Non-muscle Invasive Bladder Cancer, The EMPOWER Trial

This clinical trial compares how well a home-based personalized physical activity program (PAP) that is delivered by a digital application (app) (the ExerciseRx app) works compared to health education...

Seattle, WANA100 participantsUniversity of Washington

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NCT07281092Recruiting

Comparative Efficacy of Organizational Skills Training (OST) and Mindfulness-Based Intervention (MBI)

This randomized control trial comparing Organizational Skills Training (OST) and Mindfulness-Based Intervention (MBI) among adolescents with a pre-existing ADHD diagnosis presenting to the Duke ADHD P...

Seattle, WANA36 participantsSeattle Children's Hospital

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NCT07579195Recruiting

Consolidative Therapy After EV + Pembrolizumab in Muscle Invasive Bladder Cancer, REINFORCE Trial

This pilot feasibility clinical trial is evaluating a novel treatment strategy for patients with advanced bladder cancer that is unresectable, has spread to nearby lymph nodes or a limited number of d...

Seattle, WAPHASE112 participantsUniversity of Washington

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About ADHD Clinical Trials in Seattle

Attention deficit hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by inattention, hyperactivity, and impulsivity that interferes with functioning. It affects both children and adults. Treatment includes behavioral therapy, stimulant and non-stimulant medications, and educational support.

There are currently 7 adhd clinical trials recruiting participants in Seattle, WA. These studies are seeking a combined 1,634 participants. Research is being sponsored by Icahn School of Medicine at Mount Sinai, Pacific Edge Limited, University of Washington and 1 other organizations. Clinical trial participation is free and participants receive study-related medical care at no cost.

ADHD Clinical Trials in Seattle — FAQ

Are there adhd clinical trials in Seattle?

Yes, there are 7 adhd clinical trials currently recruiting in Seattle, WA. Browse the studies on this page to find one that fits.

How do I join a clinical trial in Seattle?

Browse the studies listed above, click one that interests you, and complete the free eligibility form. A study coordinator at the Seattle research site will contact you about next steps.

Are clinical trials in Seattle free?

Yes, clinical trial participation is always free. Study-related treatment, medical tests, and doctor visits are provided at no cost. Many Seattle studies also compensate for your time and travel.

What adhd treatments are being tested?

The 7 active trials in Seattle are testing new therapies including novel drugs, biologics, and treatment approaches for adhd.

Data updated August 28, 2026 from ClinicalTrials.gov