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Showing 1–24 of 1,805 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Diabetes, Type 1 Clear all
Completed No phase listed Observational

Glycemic Effects of the COVID-19 Booster Vaccine in Type 1 Diabetes

NCT05233592
View directory record Official record
Conditions
Type 1 Diabetes, Diabetes Mellitus, Type 1
Interventions
CGM
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Columbia, Maryland
Source: ClinicalTrials.gov public record
Updated May 16, 2023 · Synced Sep 10, 2026, 11:01 PM EDT
Completed No phase listed Observational

Biomarkers in Exhaled Breath of Glucose Fluctuation in Type 1 Diabetes

NCT03435198
View directory record Official record
Conditions
Volatile Organic Compounds, Hypoglycemia, Type 1 Diabetes Mellitus
Interventions
Collect exhaled breath during low and normal blood sugar
Diagnostic Test
Lead sponsor
East Tennessee State University
Other
Eligibility
5 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Johnson City, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 14, 2019 · Synced Sep 10, 2026, 11:01 PM EDT
Terminated Not applicable Interventional Results available

Glycemic Stability of Insulin Aspart Versus Insulin Lispro in Insulin Pump Therapy

NCT00428207
View directory record Official record
Conditions
Type 1 Diabetes Mellitus
Interventions
Insulin Aspart versus Insulin Lispro, Insulin Lispro versus Insulin Aspart
Drug
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
18 Years to 75 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Sep 10, 2026, 11:01 PM EDT
Terminated Phase 4 Interventional

Patient Preference of h-Patch vs. Pen or Needle/Syringe as Insulin Administration Device

NCT00453934
View directory record Official record
Conditions
Type 1 Diabetes, Type 2 Diabetes
Interventions
h-Patch
Device
Lead sponsor
Valeritas, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Dec 5, 2007 · Synced Sep 10, 2026, 11:01 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Impact of Fitness on Vascular Dysfunction in Adolescents With Type 1 Diabetes

NCT01337947
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Definity microbubbles
Drug
Lead sponsor
University of Virginia
Other
Eligibility
12 Years to 18 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 28, 2014 · Synced Sep 10, 2026, 11:01 PM EDT
Enrolling by invitation Not applicable Interventional

Advancing Care Coordination Between Cancer and Primary Care Teams for Complex Cancer Survivors

NCT06834204
View directory record Official record
Conditions
Cancer, Breast Cancer Early Stage Breast Cancer (Stage 1-3), Bladder Cancer, Prostate Cancer (Adenocarcinoma), Endometrial Cancer, Hypertension, Hyperlipidemia (E.G., Hypercholesterolemia), Diabetes Mellitus
Interventions
PC2: Primary Care Connect
Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Sep 10, 2026, 11:01 PM EDT
Completed Phase 1 Interventional Results available

4-Week, Multiple-dose, Dose-escalating Study In Patients With Type 2 Diabetes

NCT03538743
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Placebo, PF-06882961
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 70 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
4
States / cities
Anaheim, California • South Miami, Florida • Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 30, 2020 · Synced Sep 10, 2026, 11:01 PM EDT
Terminated Not applicable Interventional

Improving Metabolic Control in Diabetic Young Children

NCT00439985
View directory record Official record
Conditions
Type 1 Diabetes Mellitus
Interventions
Cognitive Behavioral Therapy
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
7 Years to 11 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 7, 2011 · Synced Sep 10, 2026, 11:01 PM EDT
Terminated Phase 3 Interventional Results available

Safety And Efficacy Of Exubera Compared With Subcutaneous Human Insulin Therapy In Children And Adolescents

NCT00479258
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Inhaled insulin (Exubera), Subcutaneous Insulin (subject's prescribed)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
6 Years to 17 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Sep 30, 2018 · Synced Sep 10, 2026, 11:01 PM EDT
Recruiting No phase listed Observational

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

NCT03369821
View directory record Official record
Conditions
Type1 Diabetes Mellitus
Interventions
Beta Cell Loss and Immune Function, Immune Function with RNAseq
Diagnostic Test · Other
Lead sponsor
University of Exeter
Other
Eligibility
Up to 70 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Sep 10, 2026, 11:01 PM EDT
Not listed Not applicable Interventional

Blood Glucose Differences Using CGMs Between the Left and Right Arm in Patients With Diabetes

NCT05849428
View directory record Official record
Conditions
Type 1 Diabetes, Type 2 Diabetes
Interventions
Freestyle Libre 3
Device
Lead sponsor
University of the Pacific
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Stockton, California
Source: ClinicalTrials.gov public record
Updated May 7, 2023 · Synced Sep 10, 2026, 11:01 PM EDT
Recruiting No phase listed Observational

NYSCF Scientific Discovery Biobank

NCT06203106
View directory record Official record
Conditions
ALS, Amyotrophic Lateral Sclerosis, Alzheimer Disease, Alzheimer Disease, Early Onset, Alzheimer Disease, Late Onset, Batten Disease, Corticobasal Degeneration, Dementia, Frontotemporal Dementia, Huntington Disease, Lewy Body Disease, Multiple Sclerosis, Multiple System Atrophy, Parkinson Disease, Parkinson's Disease and Parkinsonism, Progressive Supranuclear Palsy, INAD, Diabetes, Diabetes Mellitus, Diabetes Mellitus, Type 2, Diabetes Mellitus, Type 1, Macular Degeneration, Ovarian Cancer, Cervical Cancer, Uterine Cancer, Vaginal Cancer, Vulvar Cancer, PTSD, Post Traumatic Stress Disorder
Interventions
Biological Sample Collection
Other
Lead sponsor
New York Stem Cell Foundation Research Institute
Other
Eligibility
30 Days and older
Enrollment
10,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2045
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 2, 2025 · Synced Sep 10, 2026, 11:01 PM EDT
Completed Phase 3 Interventional Results available

A Study in Participants With Type I Diabetes Mellitus

NCT01454284
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Glargine, LY2605541, Insulin Lispro
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
1,114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
47
States / cities
Concord, California • Fresno, California • La Mesa, California + 44 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2018 · Synced Sep 10, 2026, 11:01 PM EDT
Completed Phase 4 Interventional

Study to Estimate the Effects of Inhaled Versus Intravenous (IV) Infusion of Human Insulin in Subjects With Type 1 Diabetes

NCT00315952
View directory record Official record
Conditions
Type 1 Diabetes Mellitus
Interventions
Exubera
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 17, 2008 · Synced Sep 10, 2026, 11:01 PM EDT
Recruiting Not applicable Interventional

Primary Care Pragmatic, Real World Experience for Automated Insulin Delivery

NCT07011147
View directory record Official record
Conditions
Type 1 Diabetes (T1D), Type 2 Diabetes, Diabetes, Autoimmune, Diabetes Mellitus, Diabetes Mellitus Type 2, Diabetes Mellitus, Type I, Diabetes, Type II, Diabetes, Diabetes Mellitus, Insulin-Dependent, Diabetes Mellitus Type II, Diabetes Type 2 on Insulin
Interventions
Bionic Pancreas, Routine Care
Device · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 89 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
2
States / cities
Aurora, Colorado • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Sep 10, 2026, 11:01 PM EDT
Completed Phase 3 Interventional

Clinical Utility and Safety of Pramlintide in Subjects With Type 1 and Type 2 Diabetes Mellitus

NCT00108004
View directory record Official record
Conditions
Type 1 Diabetes Mellitus, Type 2 Diabetes Mellitus
Interventions
pramlintide acetate
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
48
States / cities
Anaheim, California • Escondido, California • La Jolla, California + 45 more
Source: ClinicalTrials.gov public record
Updated May 20, 2015 · Synced Sep 10, 2026, 11:01 PM EDT
Terminated Phase 3 Interventional Results available

A One Year Clinical Trial Assessing the Usefulness and Safety of Inhaled Insulin in Diabetics With COPD

NCT00138671
View directory record Official record
Conditions
Diabetes Mellitus, Chronic Obstructive Pulmonary Disease
Interventions
Subcutaneous Insulin, Inhaled Insulin
Drug
Lead sponsor
Pfizer
Industry
Eligibility
30 Years to 77 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
77
States / cities
Glendale, Arizona • Peoria, Arizona • Phoenix, Arizona + 59 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2010 · Synced Sep 10, 2026, 11:01 PM EDT
Completed Phase 2 Interventional Results available

Study of AC-201 in Patients With Type 2 Diabetes Mellitus

NCT01276106
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
AC-201, 25mg, AC-201, 50mg, AC-201, 75mg, Placebo
Drug
Lead sponsor
TWi Biotechnology, Inc.
Industry
Eligibility
20 Years to 75 Years
Enrollment
259 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
13
States / cities
Chino, California • Los Angeles, California • Coral Gables, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated May 21, 2018 · Synced Sep 10, 2026, 11:01 PM EDT
Enrolling by invitation No phase listed Observational

BETA - Pilot Study

NCT07192861
View directory record Official record
Conditions
Diabetes (DM)
Interventions
Not listed
Lead sponsor
4YouandMe
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Sep 10, 2026, 11:01 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of PF-05175157 in Healthy Volunteers and Type 2 Diabetic Patients

NCT01396161
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
PF-05175157 or Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
3
States / cities
South Miami, Florida
Source: ClinicalTrials.gov public record
Updated Nov 6, 2016 · Synced Sep 10, 2026, 11:01 PM EDT
Completed Phase 2 Interventional

21 Day Comparison of Continuous Insulin Infusion Using HDV Insulin to Standard Insulin in Type 1 Diabetes Mellitus

NCT03156361
View directory record Official record
Conditions
Type1 Diabetes Mellitus
Interventions
HDV insulin lispro 100 UNIT/mL, Insulin Lispro 100 Units/mL
Drug
Lead sponsor
Diasome Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 30, 2018 · Synced Sep 10, 2026, 11:01 PM EDT
Completed Not applicable Interventional

Pilot Brief Communal Coping Intervention for Adults With Type 1 Diabetes

NCT05925556
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Communal Coping Intervention
Behavioral
Lead sponsor
Carnegie Mellon University
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced Sep 10, 2026, 11:01 PM EDT
Recruiting Not applicable Interventional

Telemedicine-Delivered Unified Protocol for Cognitive Behavioral Therapy for Anxiety and Depression

NCT05734313
View directory record Official record
Conditions
Diabetes, Type 1 Diabetes
Interventions
Unified protocol for cognitive behavioral therapy (UP-CBT), Continuous Glucose Monitoring (CGM)
Behavioral · Device
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years to 64 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
Boston, Massachusetts • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Sep 10, 2026, 11:01 PM EDT
Completed Phase 2 Interventional Results available

Effectiveness of Metformin Compared to Insulin in Pregnant Women With Mild Preexisting or Early Gestational Diabetes

NCT00835861
View directory record Official record
Conditions
Non Insulin Dependent Diabetes, Pregnancy
Interventions
Metformin, Insulin
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older · Female only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 24, 2017 · Synced Sep 10, 2026, 11:01 PM EDT