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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Diabetes type1 Clear all
Completed No phase listed Observational

A Study of Technology to Improve Glucose Control in Participants With Type 1 Diabetes

NCT03758430
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Meal-Tagging App, Fitness Tracker
Other · Device
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 70 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 20, 2020 · Synced Sep 22, 2026, 12:14 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Randomized Clinical Trial to Assess the Effectiveness of the GlucoWatch Biographer

NCT00069628
View directory record Official record
Conditions
Diabetes Mellitus, Insulin-Dependent
Interventions
GlucoWatch® G2™ Biographer (GW2B), Continuous Glucose Monitoring System (CGMS)
Device
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
7 Years to 17 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
6
States / cities
Stanford, California • Denver, Colorado • New Haven, Connecticut + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2016 · Synced Sep 22, 2026, 12:14 PM EDT
Completed Not applicable Interventional Results available

Safety of Artificial Pancreas Therapy in Preschoolers, Age 2-6

NCT04084171
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Tandem t:slim X2 with Control-IQ Technology + Dexcom G6
Device
Lead sponsor
University of Virginia
Other
Eligibility
2 Years to 6 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
3
States / cities
Stanford, California • Aurora, Colorado • Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 21, 2023 · Synced Sep 22, 2026, 12:14 PM EDT
Recruiting Not applicable Interventional

Digital Mindfulness for Young Adults With Type 1 Diabetes

NCT07062887
View directory record Official record
Conditions
Type 1 Diabetes (T1D), Diabetes Secondary to Pancreatitis
Interventions
Mindfulness app
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 30 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 8, 2026 · Synced Sep 22, 2026, 12:14 PM EDT
Recruiting Phase 4 Interventional

Effect of Montelukast on Kidney and Vascular Function in Type 1 Diabetes

NCT05498116
View directory record Official record
Conditions
Albuminuria
Interventions
Montelukast, Placebo
Drug · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Sep 22, 2026, 12:14 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Individualizing Automated Closed Loop Glucose Control Through Pharmacokinetic Profiling in an Insulin-Only Bionic Pancreas

NCT03262116
View directory record Official record
Conditions
Type 1 Diabetes Mellitus
Interventions
Humalog, Novolog, BC222 insulin lispro, Bionic Pancreas
Drug · Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 8, 2022 · Synced Sep 22, 2026, 12:14 PM EDT
Completed Phase 3 Interventional Results available

A Study of LY900014 in Participants With Type 1 Diabetes

NCT03214367
View directory record Official record
Conditions
Type 1 Diabetes Mellitus
Interventions
LY900014, Insulin Lispro, Insulin Glargine, Insulin Degludec
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
1,392 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
44
States / cities
Mobile, Alabama • Concord, California • Escondido, California + 40 more
Source: ClinicalTrials.gov public record
Updated Apr 30, 2020 · Synced Sep 22, 2026, 12:14 PM EDT
Recruiting Phase 2 Interventional

The Gut Microbiome in Type 1 Diabetes and Mechanism of Metformin Action

NCT05414409
View directory record Official record
Conditions
Type 1 Diabetes, Obesity
Interventions
Metformin
Drug
Lead sponsor
Heba M. Ismail
Other
Eligibility
11 Years to 18 Years
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 22, 2026, 12:14 PM EDT
Recruiting Not applicable Interventional

Study Comparing Acceptance and Commitment Therapy to Supportive Diabetes Counseling and a Waitlist Control for Eating Disorders in Type 1 Diabetes

NCT05540704
View directory record Official record
Conditions
Type 1 Diabetes, Eating Disorders, Disordered Eating Behaviors, Purging (Eating Disorders), Binge-Eating Disorder
Interventions
ACT, Supportive Diabetes Counseling
Behavioral
Lead sponsor
Duke University
Other
Eligibility
16 Years to 50 Years
Enrollment
235 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
Durham, North Carolina • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 7, 2026 · Synced Sep 22, 2026, 12:14 PM EDT
Completed Not applicable Interventional Results available

Sleep Optimization to Improve Glycemic Control in Adults With Type 1 Diabetes

NCT04506151
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Sleep-Opt, Healthy Living
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 65 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 22, 2026, 12:14 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Type 1 Diabetes Autonomic and Vascular Function

NCT06786546
View directory record Official record
Conditions
Type 1 Diabetes (Juvenile Onset), Type 1 Diabetes, Diabetes, Autoimmune
Interventions
Not listed
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 70 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2029
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Sep 22, 2026, 12:14 PM EDT
Completed Phase 2 Interventional Results available

Verapamil for Beta Cell Survival Therapy in Type 1 Diabetes

NCT02372253
View directory record Official record
Conditions
Type 1 Diabetes Mellitus
Interventions
Verapamil, Placebo
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 45 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Feb 4, 2020 · Synced Sep 22, 2026, 12:14 PM EDT
Completed Not applicable Interventional Results available

Use of Continuous Glucose Monitoring System With Intensive Feedback in Adolescents With Poorly Controlled Type 1 Diabetes

NCT03020069
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
CGMS Device, No Device
Device · Other
Lead sponsor
NYU Langone Health
Other
Eligibility
13 Years to 19 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 15, 2020 · Synced Sep 22, 2026, 12:14 PM EDT
Completed Phase 1 Interventional

Prevention of Self-care Deterioration in Early Adolescents With Diabetes

NCT00890331
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
TeamWork CS Sessions, Diabetes Education
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
11 Years to 14 Years
Enrollment
285 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 7, 2016 · Synced Sep 22, 2026, 12:14 PM EDT
Completed Not applicable Interventional Results available

Dietary Glycemic Index, Brain Function and Food Intake in Patients With Type 1 Diabetes Mellitus

NCT02772783
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
high GI meal, low GI meal, euglycemic insulin clamp, primed-variable insulin infusion
Other · Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 17, 2021 · Synced Sep 22, 2026, 12:14 PM EDT
Recruiting Phase 4 Interventional

Cholesterol Lowering and Residual Risk in Diabetes, Type 1

NCT05641753
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Evolocumab Cartridge, Atorvastatin Calcium Tablets, Ezetimibe Tablets, 18F-FDG, Angiocatheter 20IV, J-Wire, GlycoCheck Glycocalyx Measurement Software
Drug · Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 89 Years
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
4
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 28, 2025 · Synced Sep 22, 2026, 12:14 PM EDT
Active, not recruiting Not applicable Interventional

Multi-Site Eating Disorder Prevention Program for Type 1 Diabetes

NCT05399446
View directory record Official record
Conditions
Type 1 Diabetes, Eating Disorders
Interventions
Diabetes Body Project, Educational Group
Behavioral
Lead sponsor
Oslo University Hospital
Other
Eligibility
14 Years to 35 Years
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
Stanford, California • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 3, 2024 · Synced Sep 22, 2026, 12:14 PM EDT
Completed Not applicable Interventional Results available

An Inpatient Performance Evaluation of a New Subcutaneous Glucose Sensor

NCT01112696
View directory record Official record
Conditions
Type 1 Diabetes Mellitus, Type 2 Diabetes Mellitus
Interventions
Sensor wear
Device
Lead sponsor
Medtronic MiniMed, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
3
States / cities
Escondido, California • Santa Barbara, California • Renton, Washington
Source: ClinicalTrials.gov public record
Updated Jan 15, 2018 · Synced Sep 22, 2026, 12:14 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Measurement of Glucose Metabolism in Humans Using Magnetic Resonance at 4 Tesla. Substudy: Hypoglycemia Unawareness

NCT00793741
View directory record Official record
Conditions
Type 1 Diabetes, Hypoglycemia Unawareness
Interventions
somatostatin
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 17, 2018 · Synced Sep 22, 2026, 12:14 PM EDT
Recruiting Not applicable Interventional

Carbohydrate Beta Cell Function and Glucose Control in Children With Diabetes

NCT05899166
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Ketogenic diet, food delivery and education, Standard diet, food delivery and education
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
5 Years to 12 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 23, 2025 · Synced Sep 22, 2026, 12:14 PM EDT
Completed Not applicable Interventional Results available

Automated Insulin Delivery in Pregnant Patients With Type 1 Diabetes With Extension Into Outpatient at Home

NCT04492566
View directory record Official record
Conditions
Type 1 Diabetes, Pregnancy
Interventions
Automated Insulin Delivery
Device
Lead sponsor
Sansum Diabetes Research Institute
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
3
States / cities
Santa Barbara, California • Rochester, Minnesota • New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 3, 2023 · Synced Sep 22, 2026, 12:14 PM EDT
Completed Not applicable Interventional Results available

A Multicenter Study of Outpatient Automated Blood Glucose Control With a Bihormonal Bionic Pancreas

NCT02092220
View directory record Official record
Conditions
Diabetes Mellitus Type 1
Interventions
Bionic Pancreas, Insulin pump with or without CGM
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
4
States / cities
Stanford, California • Boston, Massachusetts • Worcester, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 21, 2017 · Synced Sep 22, 2026, 12:14 PM EDT
Completed Not applicable Interventional Results available

The Insulin-Only Bionic Pancreas Pivotal Trial

NCT04200313
View directory record Official record
Conditions
Diabetes Mellitus, Type 1 Diabetes, Diabetes Mellitus, Type 1
Interventions
Bionic Pancreas (BP) with Aspart or Lispro, Bionic Pancreas with Fiasp (BPFiasp), Usual Care (UC), BP Guidance Insulin Dosing
Combination Product · Other
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
6 Years and older
Enrollment
440 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
16
States / cities
Orange, California • San Diego, California • Stanford, California + 13 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2025 · Synced Sep 22, 2026, 12:14 PM EDT
Completed Not applicable Interventional Results available

Two Way Crossover Closed Loop Study R-AP vs MPC

NCT05083559
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
MPC AP algorithm, Robust R-AP algorithm
Device
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 19, 2023 · Synced Sep 22, 2026, 12:14 PM EDT