🔎 Trials Near Me

Home › Type 1 Diabetes › Washington › Seattle

Type 1 Diabetes clinical trials in Seattle, WA

18 studies for Type 1 Diabetes are looking for participants at sites in and around Seattle (within about 30 miles). Open a study to see who can join and how to contact the study team.

Type 1 Diabetes Extension Study

RecruitingObservational study
  • Benaroya Research Institute, Seattle
Ages 8 to 35 · All sexes · Updated Sep 18, 2026 · NCT02734277

METabolic MODulation to Enhance Insulin Sensitivity and Mitochondrial Function in Type 1 Diabetes (MetMod-T1D)

RecruitingPhase 2
  • University of Washington Medicine Diabetes Institute (UWMDI), Seattle
Ages 18 to 69 · All sexes · Updated Sep 15, 2026 · NCT07699380

A Study to Investigate Efficacy and Safety of Teplizumab Compared With Placebo in Participants 1 to 25 Years of Age With Stage 3 Type 1 Diabetes

RecruitingPhase 3
  • Benaroya Research Institute at Virginia Mason- Site Number : 8400038, Seattle
Ages 1 to 25 · All sexes · Updated Sep 14, 2026 · NCT07088068

CNP-103 in Adolescent and Adult Subjects Ages 12-35 With Recently Diagnosed (Within 6 Months) Stage 3 Type 1 Diabetes (T1D)

RecruitingPhase 1/2
  • Benaroya Research Institute, Seattle
  • University of Washington Diabetes Institute, Seattle
Ages 12 to 35 · All sexes · Updated Sep 11, 2026 · NCT06783309

Platform Trial to Delay Stage 3 Diabetes: Comparing Teplizumab With ATG

RecruitingPhase 2
  • Benaroya Research Institute, Seattle
Ages 4 to 34 · All sexes · Updated Sep 9, 2026 · NCT07216391

Rezpegaldesleukin (NKTR-358) in New Onset Type 1 Diabetes Mellitus

RecruitingPhase 2
  • Benaroya Research Institute, Seattle
Ages 8 to 45 · All sexes · Updated Sep 8, 2026 · NCT07142252

A Randomized Phase 1/2 Trial of Low Dose Anti-thymocyte Globulin (ATG) With Subsequent Adalimumab or Verapamil in New Onset Type 1 Diabetes

RecruitingPhase 1/2
  • Seattle Children's Hospital, Seattle
Ages 9 to 20 · All sexes · Updated Sep 2, 2026 · NCT07061574

SAFety and Efficacy of Human Anti-thymocyte ImmunoGlobUlin SAB-142 ARresting Progression of Type 1 Diabetes

RecruitingPhase 2
  • Benaroya Research Institute at Virginia Mason, Seattle
Ages 5 to 40 · All sexes · Updated Aug 24, 2026 · NCT07187531

Effect of Inhaled Technosphere Insulin vs RAA Insulin on Exercise-Induced Hypoglycemia in Adults With T1D Using Automated Insulin Delivery

Recruiting
  • University of Washington, Seattle
Ages 18 to 65 · All sexes · Updated Jul 16, 2026 · NCT06880835

Trial of Semaglutide for Diabetic Kidney Disease in Type 1 Diabetes

RecruitingPhase 2
  • University of Washington, Seattle
Ages 18 and older · All sexes · Updated Jun 2, 2026 · NCT05822609

Kidney Precision Medicine Project

RecruitingObservational study
  • University of Washington, Seattle
Ages 18 and older · All sexes · Updated Apr 14, 2026 · NCT04334707

Sotagliflozin to Slow Kidney Function Decline in Persons With Type 1 Diabetes and Diabetic Kidney Disease

RecruitingPhase 3
  • University of Washington, Seattle
Ages 18 to 75 · All sexes · Updated Mar 24, 2026 · NCT06217302

Type 1 Diabetes Impacts of Semaglutide on Cardiovascular Outcomes

RecruitingPhase 3
  • University of Washington Medicine Diabetes Institute (UWMDI), Seattle
Ages 18 to 49 · All sexes · Updated Mar 4, 2026 · NCT05819138

EXtremely Early-onset Type 1 Diabetes EXtremely Early-onset Type 1 Diabetes (A Musketeers' Memorandum Study)

RecruitingObservational study
  • Benaroya Research Institute, Seattle
Up to age 70 · All sexes · Updated Dec 19, 2025 · NCT03369821

InvesT1D: Promoting Adolescent Investment in Diabetes Care

Recruiting
  • Seattle Children's, Seattle
Ages 12 and older · All sexes · Updated Dec 16, 2025 · NCT06384911

TrialNet Pathway to Prevention of T1D

RecruitingObservational studyHealthy volunteers welcome
  • Benaroya Research Institute, Seattle
Ages 2 to 45 · All sexes · Updated Jul 1, 2025 · NCT00097292

About Type 1 Diabetes

If the pancreas doesn't make needed insulin, causing blood sugar levels to be too high you have type 1 or juvenile diabetes. Learn the signs.

More about Type 1 Diabetes on MedlinePlus

Type 1 Diabetes trials in other cities

Other studies in Seattle

From ClinicalTrials.gov, data retrieved Sep 29, 2026. Each study sets its own eligibility; the study team decides who can join.