Washington is currently home to 1712 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 Bellevue. 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.
Trial of Therapeutic Cancer Vaccine OSE2101 in Patients With Non-Small Cell Lung Cancer and Secondary Resistance to Immune Checkpoint Inhibitor
Recruiting
Multicenter, randomized (2:1), open-label phase 3 study in HLA-A2 positive patients with squamous and non-squamous metastatic NSCLC with ICI secondary resistance. Patients will be randomized into 2 arms (randomization 2:1): experimental Arm A with OSE2101 monotherapy or control Arm B SoC with docetaxel monotherapy. Stratification factors will be histology (squamous versus non squamous) and ECOG Performance Status (0 versus 1).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/30/2025
Locations: Northwest Medical Specialties - Bonney Lake, Bonney Lake, Washington
Conditions: Patients With Non-Small Cell Lung Cancer
A Study to Assess Disease Activity and Safety of Lutikizumab in Adult and Adolescent Participants With Moderate to Severe Hidradenitis Suppurativa
Recruiting
Hidradenitis suppurativa (HS) is a chronic and often painful inflammatory skin disease which includes the forming of lumps, abscesses and scars in areas of the skin such as under the breasts, under armpits, inner thighs, groin and buttocks. This study will compare lutikizumab versus placebo for the treatment of adult and adolescent participants with the signs and symptoms of moderate to severe HS . Lutikizumab is an investigational drug being developed for the treatment of HS. During Period 1 o... Read More
Gender:
ALL
Ages:
12 years and above
Trial Updated:
06/30/2025
Locations: Dermatology Specialists of Spokane /ID# 264499, Spokane, Washington
Conditions: Hidradenitis Suppurativa
A Study Evaluating the Real World Experience of Participants Treated With BRIUMVI® (Ublituximab-xiiy) for Relapsing Multiple Sclerosis (RMS)
Recruiting
The purpose of this study is to evaluate safety, effiectiveness, and to gain insight into the treatment experience of participants prescribed BRIUMVI® (ublituximab-xiiy) in the real-world setting
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/30/2025
Locations: TG Therapeutics Investigational Trial Site, Kirkland, Washington
Conditions: Relapsing Multiple Sclerosis, Multiple Sclerosis
A Study to Evaluate the Risk of Tumor Lysis Syndrome (TLS) in Adult Participants Receiving Oral Venetoclax in Combination With Intravenously Infused Obinutuzumab or Oral Acalabrutinib for Previously Untreated Chronic Lymphocytic Leukemia (CLL)
Recruiting
Chronic lymphocytic leukemia (CLL) is the most common leukemia (cancer of blood cells). The purpose of this study is to assess the safety of venetoclax in combination with obinutuzumab or acalabrutinib in the treatment of CLL. Adverse events and change in disease activity will be assessed. Venetoclax in combination with obinutuzumab or acalabrutinib is being investigated in the treatment of CLL. Study doctors put the participants in 1 of 4 groups, called treatment arms. Participants will receiv... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/30/2025
Locations: Vista Oncology - East Olympia /ID# 267337, Olympia, Washington
Conditions: Chronic Lymphocytic Leukemia
Efficacy and Safety of Phentermine/Topiramate in Youth With Hypothalamic Obesity
Recruiting
Hypothalamic obesity (HO) refers to the substantial weight gain that often complicates hypothalamic brain tumors. Children with this treatment-recalcitrant form of obesity have excess rates of metabolic sequelae compared to otherwise healthy children with similar obesity, and later experience excess mortality related to cardiometabolic disease. In this pilot trial, our objective is to gather key preliminary data about phentermine/topiramate (Ph/T) that is FDA-approved for "common" obesity but ha... Read More
Gender:
ALL
Ages:
Between 12 years and 28 years
Trial Updated:
06/30/2025
Locations: Seattle Children's, Seattle, Washington
Conditions: Hypothalamic Obesity, Hypothalamic Tumor, Craniopharyngioma
A Study of AAV2-GDNF in Adults With Moderate Parkinson's Disease (REGENERATE-PD)
Recruiting
The objective of this randomized, surgically controlled, double-blinded, Phase 2 study is to evaluate the safety and efficacy of AAV2-GDNF delivered to the putamen in subjects with moderate Parkinson's Disease.
Gender:
ALL
Ages:
Between 45 years and 75 years
Trial Updated:
06/30/2025
Locations: EvergreenHealth Research Department (Neurology), Kirkland, Washington
Conditions: Parkinson Disease
VE303 for Prevention of Recurrent Clostridioides Difficile Infection
Recruiting
The overall objective of the RESTORATiVE303 study is to evaluate the safety and the Clostridioides difficile infection (CDI) recurrence rate at Week 8 in participants who receive a 14-day course of VE303 or matching placebo. The objectives and endpoints are identical for Stage 1 (recurrent CDI) and Stage 2 (high-risk primary CDI).
Gender:
ALL
Ages:
12 years and above
Trial Updated:
06/30/2025
Locations: Seattle Infectious Disease Clinic, Seattle, Washington
Conditions: Clostridium Difficile, Clostridium Difficile Infections, Clostridium Difficile Infection Recurrence, Clostridioides Difficile Infection, Clostridioides Difficile Infection Recurrence, CDI, C. Diff Infection, Recurrent Clostridium Difficile Infection, C.Difficile Diarrhea, Diarrhea Infectious
A Study to Evaluate the Safety, Tolerability, Efficacy, and Drug Levels of CC-97540 in Participants With Relapsing Forms of Multiple Sclerosis, Progressive Forms of Multiple Sclerosis or Refractory Myasthenia Gravis (MG) (Breakfree-2)
Recruiting
The purpose of this study is to evaluate the safety, tolerability, efficacy, and drug levels of CC-97540 in participants with Relapsing Forms of Multiple Sclerosis (RMS), Progressive Forms of Multiple Sclerosis (PMS) or Refractory Myasthenia Gravis (MG).
Gender:
ALL
Ages:
Between 18 years and 60 years
Trial Updated:
06/30/2025
Locations: Swedish Medical Center, Seattle, Washington
A Study to Assess Safety & Effectiveness of Tovinontrine in Chronic Heart Failure With Reduced Ejection Fraction (Cycle-1-REF)
Recruiting
The purpose of this study is to evaluate the safety and effectiveness of tovinontrine compared to placebo to lower NT-proBNP in patients with chronic heart failure with reduced ejection fraction.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/30/2025
Locations: Cardurion Investigative Site, Seattle, Washington
Conditions: Heart Failure, Heart Failure With Reduced Ejection Fraction, Cardiovascular Diseases, Heart Diseases
A Study to Assess Change in Disease Activity and Adverse Events of Oral Upadacitinib in Adult and Adolescent Participants With Moderate to Severe Hidradenitis Suppurativa Who Have Failed Anti-TNF Therapy
Recruiting
Hidradenitis suppurativa (HS) is an inflammatory skin disease that causes painful lesions in the axilla (underarm), inguinal (groin) and anogenital (anal/genital) regions. This study will assess how safe and effective upadacitinib is in treating adult and adolescent participants with moderate to severe HS who have failed to respond to or are intolerant of anti-tumor necrosis factor (TNF) therapy. Adverse events and change in disease activity will be assessed. Upadacitinib is an approved drug fo... Read More
Gender:
ALL
Ages:
12 years and above
Trial Updated:
06/30/2025
Locations: North Sound Dermatology /ID# 254554, Mill Creek, Washington
Conditions: Hidradenitis Suppurativa
Study to Evaluate Safety, Efficacy and Pharmacokinetics (PK) of a Modified Regimen of Ublituximab
Recruiting
The primary purpose of this phase 3b study is to assess the efficacy of a modified regimen of ublituximab as measured by T1 Gadolinium (Gd)-enhancing lesions and pharmacokinetics in participants with Relapsing Multiple Sclerosis (RMS). The study consists of 2 parts: Part A is single-armed and open-label and Part B is randomized, double-blind, placebo-controlled.
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
06/30/2025
Locations: TG Therapeutics Investigational Trial Site, Kirkland, Washington
Conditions: Relapsing Multiple Sclerosis
Study of Lumateperone as Adjunctive Therapy in the Treatment of Patients With Major Depressive Disorder
Recruiting
This is a multicenter, randomized, double-blind, placebo-controlled parallel-group, fixed-dose study in patients with a primary diagnosis of MDD according to criteria of the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) who have an inadequate response to ongoing ADT.
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
06/30/2025
Locations: Clinical Site, Bellevue, Washington
Conditions: Major Depressive Disorder