Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.

2026 data Public-data reference. official source

Type 1 Diabetes Mellitus

Open-data reference.

106 US clinical trials · 23 currently recruiting

Active & Recent Trials

RECRUITING 1,875 participants

Twiist Postmarket Surveillance Study for Type 1 Diabetes

Deka Research and Development

NCT07356089

RECRUITING Phase 3 723 participants

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

Sanofi

NCT07088068

RECRUITING NA 400 participants

GATEWAY: Safety Evaluation of the MiniMed™ NMX8-AID System in Children and Adults Living With Diabetes

Medtronic Diabetes

NCT07228117

RECRUITING NA 360 participants

A Hybrid Effectiveness-implementation Trial to Reduce Diabetes Distress in Teenagers

Ann & Robert H Lurie Children's Hospital of Chicago

NCT06709755

RECRUITING Phase 2 192 participants

FrexalimAB in Preservation of Endogenous insULIN Secretion Compared to Placebo in adUlts and Adolescents on Top of inSulin Therapy (FABULINUS)

Sanofi

NCT06111586

RECRUITING Phase 4 120 participants

Dapagliflozin Plus Pioglitazone in T1DM

The University of Texas Health Science Center at San Antonio

NCT03878459

RECRUITING 111 participants

Type 1 Diabetes Extension Study

National Institute of Allergy and Infectious Diseases (NIAID)

NCT02734277

RECRUITING Phase 2 100 participants

INHALE-1st: Afrezza® For Youth With Newly-Diagnosed Type 1 Diabetes

Mannkind Corporation

NCT07224321

RECRUITING Phase 1 72 participants

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

COUR Pharmaceutical Development Company

NCT06783309

RECRUITING Phase 1 70 participants

Safety, Tolerability, and Efficacy of Immunomodulation With A Monoclonal Antibody Against CD40L in Combination With Transplanted Islet Cells in Adults With Brittle Type 1 Diabetes Mellitus (T1D)

University of Chicago

NCT06305286

RECRUITING 60 participants

The PRECISION II Study: Evaluating the Accuracy of the LabPatch Glucose Sensing System

Joslin Diabetes Center

NCT05754281

RECRUITING Early Phase 1 60 participants

The Effects of Fluoxetine and/or DHEA

University of Maryland, Baltimore

NCT03228732

RECRUITING NA 60 participants

Implementing the Spotlight AQ Platform in Adolescent/ Young Adult (16-25 Years Old) Type 1 Diabetics (T1D)

Children's Mercy Hospital Kansas City

NCT06390371

RECRUITING 60 participants

Long Term Surveillance of Islet Transplant Recipients Following Complete Graft Loss

Rodolfo Alejandro

NCT02000687

RECRUITING NA 32 participants

Accuracy and Precision of the Continuous Glucose Monitoring System 'CareSens Air 3' in Adult Patients With T1DM

i-SENS

NCT07296276

RECRUITING Phase 2 30 participants

Evaluate Use of Tropocells(R) Autologous Platelet-rich Fibrin (PRF) for Wagner Grade 1 and Grade 2, Mild to Mod Neuroischemic Plantar Diabetic Foot Ulcer Wound Care.

Estar Medical dba Medical Technologies

NCT06810726

RECRUITING 30 participants

Long Term Follow up of Recipients of Functional Islet Allografts

Rodolfo Alejandro

NCT01999374

RECRUITING Early Phase 1 27 participants

Cardiometabolic Benefit of Reducing Iatrogenic Hyperinsulinemia Using Insulin Adjunctive Therapy in Type 1 Diabetes

Vanderbilt University Medical Center

NCT06609356

RECRUITING Phase 1 20 participants

Subcutaneous Pharmacokinetic Evaluation of Monomeric Insulin and Lyumjev in Adults With Type 1 Diabetes

Stanford University

NCT07090824

RECRUITING NA 20 participants

PACTAID App in Adults With Type 1 Diabetes to Help Manage Exercise

Mayo Clinic

NCT06730906

RECRUITING NA 18 participants

Prevention of de Novo Allosensitization in Islet Transplant Recipients Following Complete Graft Loss

Rodolfo Alejandro

NCT01999361

RECRUITING Phase 1 16 participants

A Study of GNTI-122 in Adults Recently Diagnosed With T1D

GentiBio

NCT06919354

RECRUITING Phase 1 13 participants

A Study to Investigate Safety and Effectiveness of Porcine Pancreatic Cells (OPF-310) in Patients With Type 1 Diabetes Mellitus

Otsuka Pharmaceutical Factory

NCT06575426

ACTIVE NOT RECRUITING NA 396 participants

Home Video-based Telemedicine to Reduce Hypoglycemia Fear in Parents of Young Children

Nemours Children's Clinic

NCT03914547

ACTIVE NOT RECRUITING Phase 3 330 participants

A Phase III Study to Investigate if the Study Drug Diamyd Can Preserve Insulin Production and Improve Glycemic Control in Patients Newly Diagnosed With Type 1 Diabetes

Diamyd Medical AB

NCT05018585

ACTIVE NOT RECRUITING NA 120 participants

Safety and Effectiveness of the Luna System in People With Type 1 Diabetes Mellitus

Luna Diabetes

NCT06627517

ACTIVE NOT RECRUITING Phase 2 84 participants

Treatment of Type 1 Diabetes With Anti-OX40L Bispecific With Anti-TNF Activity In a Single Nanobody® Molecule

Sanofi

NCT06812988

ACTIVE NOT RECRUITING Phase 2 78 participants

Triple Therapy in T1DM

State University of New York at Buffalo

NCT03899402

ACTIVE NOT RECRUITING Phase 2 74 participants

Rituximab-pvvr and Abatacept vs Rituximab-pvvr Alone in New Onset Type 1 Diabetes

National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

NCT03929601

ACTIVE NOT RECRUITING Phase 2 60 participants

Reducing Innate Inflammation in New Onset Type 1 Diabetes

Medical College of Wisconsin

NCT04335656

ACTIVE NOT RECRUITING Phase 2 43 participants

Probiotics in Newly Diagnosed T1D

Medical College of Wisconsin

NCT04141761

ACTIVE NOT RECRUITING NA 40 participants

Impact of Metabolic Health on Sperm Epigenetic Marks in Humans

Joslin Diabetes Center

NCT03860558

ACTIVE NOT RECRUITING Phase 3 21 participants

Islet Transplantation in Type 1 Diabetic Patients Using the University of Illinois at Chicago (UIC) Protocol

CellTrans

NCT00679042

ACTIVE NOT RECRUITING Phase 1 17 participants

A Safety, Tolerability and Efficacy Study of Sernova's Cell Pouch™ for Clinical Islet Transplantation

Sernova Biotherapeutics

NCT03513939

ACTIVE NOT RECRUITING Phase 2 10 participants

Islet Cell Transplant for Type 1 Diabetes

City of Hope Medical Center

NCT01909245

ACTIVE NOT RECRUITING Phase 1 6 participants

An Immunotherapy Vaccine (PIpepTolDC) for the Treatment of Patients With Type 1 Diabetes

City of Hope Medical Center

NCT04590872

COMPLETED Phase 3 1,392 participants

A Study of LY900014 in Participants With Type 1 Diabetes

Eli Lilly and Company

NCT03214367

COMPLETED 1,297 participants

An Observational Study Evaluating SYMLIN® (Pramlintide Acetate) Injection Use in Insulin Using Patients With Type 2 and Type 1 Diabetes

AstraZeneca

NCT00229658

COMPLETED Phase 2 554 participants

The Protégé Study - Clinical Trial of MGA031 in Children and Adults With Recent-Onset Type 1 Diabetes Mellitus

MacroGenics

NCT00385697

COMPLETED Phase 3 549 participants

Comparison of a New Formulation of Insulin Glargine With Lantus in Patients With Type 1 Diabetes Mellitus

Sanofi

NCT01683266

COMPLETED Phase 3 518 participants

Clinical Trial Evaluating Technosphere® Insulin Versus Insulin Aspart in Subjects With Type 1 Diabetes Mellitus Over a 24-week Treatment Period

Mannkind Corporation

NCT01445951

COMPLETED Phase 4 456 participants

CONSISTENT 1: Metabolic and Safety Outcomes of Hylenex Recombinant (Hyaluronidase Human Injection) Preadministered at CSII Infusion Site in Participants With Type 1 Diabetes Mellitus (T1DM)

Halozyme Therapeutics

NCT01848990

COMPLETED NA 400 participants

Positive Psychology Intervention to Treat Diabetes Distress in Teens With Type 1 Diabetes

Vanderbilt University Medical Center

NCT03845465

COMPLETED Phase 3 328 participants

Recent-Onset Type 1 Diabetes Trial Evaluating Efficacy and Safety of Teplizumab

Provention Bio

NCT03875729

COMPLETED NA 317 participants

Evaluation of Updated Continuous Glucose Monitoring (CGM) Form Factor in Adults, Adolescents and Pediatrics

Medtronic Diabetes

NCT04436822

COMPLETED Phase 3 241 participants

A Study to Learn How Well the Study Treatment Finerenone Works and How Safe it is in People With Long-term Decrease in the Kidneys' Ability to Work Properly (Chronic Kidney Disease) Together With Type 1 Diabetes

Bayer

NCT05901831

COMPLETED NA 168 participants

Technological Advances in Glucose Management in Older Adults

Joslin Diabetes Center

NCT03078491

COMPLETED NA 153 participants

Shared Medical Decision Making in Pediatric Diabetes

Nemours Children's Clinic

NCT02496156

COMPLETED NA 149 participants

Effectiveness Trial of an E-Health Intervention To Support Diabetes Care in Minority Youth (3Ms)

Wayne State University

NCT03168867

COMPLETED Phase 2 136 participants

Tocilizumab (TCZ) in New-onset Type 1 Diabetes

National Institute of Allergy and Infectious Diseases (NIAID)

NCT02293837

COMPLETED NA 132 participants

CloudConnect: Predictive And Retrospective Clinical Decision Support For Chronic Disease Management

University of Virginia

NCT03676465

COMPLETED Phase 3 125 participants

6-month Comparison of Morning Lantus Versus Neutral Protamine Hagedorn Insulin in Young Children With Type 1 Diabetes

Sanofi

NCT00993473

COMPLETED NA 120 participants

Initiation of Continuous Glucose Monitoring at Diagnosis of Type 1 Diabetes

Korey Hood

NCT02734667

COMPLETED 120 participants

Efficacy of Continuous Glucose Monitoring in Subjects With Type 1 Diabetes Mellitus on Multiple Daily Injections (MDI) or Continuous Subcutaneous Insulin Infusion (CSII) Therapy

DexCom

NCT01104142

COMPLETED NA 116 participants

Use of Continuous Glucose Sensors by Adolescents With Inadequate Diabetic Control

Nemours Children's Clinic

NCT00945659

COMPLETED NA 99 participants

Nutritional Intervention to Prevent Diabetes

National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

NCT00333554

COMPLETED Phase 1 86 participants

A First-in-human Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of HM12460A

Hanmi Pharmaceutical Company Limited

NCT01724814

COMPLETED NA 83 participants

New Glucose Sensor Pediatric

Medtronic Diabetes

NCT01161043

COMPLETED 64 participants

Gene Expression Profiling in Type 1 Diabetes

Children's Mercy Hospital Kansas City

NCT00330954

COMPLETED Phase 2 63 participants

PROCHYMAL® (Human Adult Stem Cells) for the Treatment of Recently Diagnosed Type 1 Diabetes Mellitus (T1DM)

Mesoblast

NCT00690066

COMPLETED Phase 2 60 participants

Signaling Mechanisms and Vascular Function in Patients With Diabetes Mellitus

Brigham and Women's Hospital

NCT00762671

COMPLETED NA 57 participants

Effect of Diabetes Mellitus on Cholesterol Metabolism

Medical College of Wisconsin

NCT00879710

COMPLETED NA 51 participants

A Cognitive Behavioral Therapy (CBT) Intervention to Reduce Fear of Hypoglycemia in Type 1 Diabetes

University of Illinois at Chicago

NCT03549104

COMPLETED NA 50 participants

The VRIF Trial: Hypoglycemia Reduction With Automated-Insulin Delivery System

University of Virginia

NCT03674281

COMPLETED 50 participants

Sleep and Glucose Regulation in Youth With Type 1 Diabetes Mellitus

University of Arizona

NCT00848822

COMPLETED Phase 1 50 participants

Copeptin in Adolescent Participants With Type 1 Diabetes and Early Renal Hemodynamic Function

University of Colorado, Denver

NCT03618420

COMPLETED NA 50 participants

Assess the Efficacy of the Low Glucose Suspend (LGS) Feature in the MiniMed Paradigm® X54 System

Medtronic Diabetes

NCT01148862

COMPLETED Phase 3 48 participants

Islet Transplantation in Type 1 Diabetes

National Institute of Allergy and Infectious Diseases (NIAID)

NCT00434811

COMPLETED 41 participants

Diabetic Kidney Alarm (DKA) Study

University of Colorado, Denver

NCT03128229

COMPLETED Phase 1 37 participants

TAK-329 Glucose Clamp Study

Takeda

NCT01311076

COMPLETED 37 participants

Glycemic Profiles And Insulin Delivery Across The Menstrual Cycle In Women With Type 1 Diabetes

University of Virginia

NCT04665999

COMPLETED NA 37 participants

Medtronic Minimed Overnight Closed-Loop System

Bruce A. Buckingham

NCT01881009

COMPLETED Phase 2 36 participants

Safety and Efficacy of Sotagliflozin (LX4211) in Patients With Inadequately Controlled Type 1 Diabetes Mellitus

Lexicon Pharmaceuticals

NCT01742208

COMPLETED Early Phase 1 36 participants

Crossover Feasibility Study of Portable AP Device With Zone-MPC and HMS and Adapted I:C and Basal Insulin

Sansum Diabetes Research Institute

NCT01929798

COMPLETED NA 35 participants

Tissue-Specific Metabolic Reprogramming in Diabetic Complications

University of Michigan

NCT01823406

COMPLETED Phase 2 32 participants

Verapamil for Beta Cell Survival Therapy in Type 1 Diabetes

University of Alabama at Birmingham

NCT02372253

COMPLETED Phase 3 32 participants

At Home Study of a Zone-Model Predictive Control (MPC) Controller and a Health Monitoring System (HMS) With the Diabetes Assistant (DiAs) System and Run-to-Run Adaptation

Sansum Diabetes Research Institute

NCT02705053

COMPLETED NA 32 participants

Reducing Risks and Improving Glucose Control During Extended Exercise in Youth With T1DM: The AP Ski Camp

Daniel Chernavvsky, MD, CRC

NCT02604524

COMPLETED NA 31 participants

Adaptive Biobehavioral Control (ABC) of Automated Insulin Delivery

University of Virginia

NCT04784637

COMPLETED Phase 1 30 participants

Hyaluronidase Effect on Infusion Set Life

Stanford University

NCT02199028

COMPLETED NA 30 participants

Intervention Groups for Adolescents With Type 1 Diabetes Mellitus

Children's Hospital and Health System Foundation, Wisconsin

NCT00622271

COMPLETED 30 participants

Neuropsychological and Neuroanatomical Studies of Young Children With and Without Type 1 Diabetes Mellitus

Stanford University

NCT00449891

COMPLETED Phase 3 27 participants

Pediatric Diabetics Type 1 Using InsuPatch

Insuline Medical

NCT01368978

COMPLETED Phase 4 26 participants

Effect of Ethanol Intoxication on the Anti-Hypoglycemic Action of Glucagon

Massachusetts General Hospital

NCT02516150

COMPLETED Phase 1 24 participants

Glucagon Rescue of Insulin-Induced Hypoglycemia in Adults With Type 1 Diabetes Treated With Volagidemab

REMD Biotherapeutics

NCT06272695

COMPLETED NA 24 participants

Pregnancy Intervention With a Closed-Loop System (PICLS) Study

University of Colorado, Denver

NCT03774186

COMPLETED Phase 3 24 participants

Efficacy of Islet After Kidney Transplantation

National Institute of Allergy and Infectious Diseases (NIAID)

NCT00468117

COMPLETED NA 22 participants

Safety and Efficacy of Initializing the Control-IQ Artificial Pancreas System Using Total Daily Insulin

University of Virginia

NCT03804983

COMPLETED NA 20 participants

Outpatient Control-to-Range: System and Monitoring Testing

University of Virginia

NCT01578980

COMPLETED 20 participants

The Multi-Sensor Distance Accuracy Study

Oregon Health and Science University

NCT02241993

COMPLETED Phase 3 20 participants

To Evaluate the Effect on Post-prandial Glycemia Safety, and Tolerability of Viaject 7 vs. Lispro Insulin During Subcutaneous Insulin Pump Therapy

Biodel

NCT01110746

COMPLETED Phase 1 20 participants

A Study to Evaluate Safety, Pharmacokinetics, and Pharmacodynamics of Escalating Doses of SAR438544 in Comparison to Placebo and Glucagon in Healthy Subjects and Type 1 Diabetes Mellitus Patients

Sanofi

NCT02625636

COMPLETED NA 19 participants

Internet-Based Cognitive Behavioral Therapy for Depressive Symptoms in Adolescents With Type 1 Diabetes Mellitus

University of Texas Southwestern Medical Center

NCT03655067

COMPLETED Phase 4 18 participants

Detemir: Role in Type 1 Diabetes

Montefiore Medical Center

NCT00564395

COMPLETED Phase 4 16 participants

The Effect of Insulin Glulisine Compared With Insulin Aspart on Breakfast Post Prandial Glucose Levels in Prepubertal Children

Corewell Health West

NCT00913497

COMPLETED Phase 2 16 participants

A Clinical Study of the Performance of a Glucose Blinding Protein-Based Continuous Glucose Monitor (GBP CGM)

University of Virginia

NCT01469715

COMPLETED Phase 1 16 participants

T1DM Immunotherapy Using CD4+CD127lo/-CD25+ Polyclonal Tregs

University of California, San Francis

NCT01210664

COMPLETED Phase 1 16 participants

T1DM Immunotherapy Using Polyclonal Tregs + IL-2

Jeffrey Bluestone

NCT02772679

COMPLETED 15 participants

Development of an Advisory System for Glycemic Control During the Menstrual Cycle in Patient With Type 1 Diabetes

University of Virginia

NCT01653210

COMPLETED Phase 1 15 participants

A Pilot Study of Moderate Hyperbilirubinemia in Type 1 Diabetes Mellitus

Brigham and Women's Hospital

NCT01421355

Phase Distribution

PhaseTrial count
Early Phase 1 19
Phase 2 16
Phase 3 14
Phase 4 5

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

Reading the Type 1 Diabetes Mellitus Trial Landscape

ClinicalTrials.gov lists 106 US studies indexed under Type 1 Diabetes Mellitus, and 23 of those are currently open to recruitment — roughly 22% of the total volume on the registry. That ratio is a useful proxy for activity level: a high share of recruiting studies often signals that research interest is current and that new enrollment opportunities are appearing, while a low share typically means the field is dominated by completed or follow-up work where most participant spots have already been filled. These counts reflect the public registry only and include studies at every stage of design, so they should be read as an index of research attention rather than as a measure of treatment availability.

The phase distribution for Type 1 Diabetes Mellitus shows 19 late-stage studies (Phase 3 and Phase 4 combined) alongside 35 earlier-phase entries (Phase 1 through Phase 2). Phase 1 and Phase 2 studies focus on early safety signals, dosing, and preliminary effect, while Phase 3 studies are typically the larger efficacy and safety trials submitted toward regulatory review, and Phase 4 studies follow approved interventions in real-world use. A condition weighted toward later phases often reflects a mature research pipeline with several interventions already close to or past approval, whereas a heavier early-phase tilt suggests the field is still exploring new mechanisms and candidate approaches.

Top sponsor activity for Type 1 Diabetes Mellitus is led by University of Virginia with 8 indexed trials, alongside 9 other organizations in the top contributor list. The list on this page surfaces up to 100 of the most relevant recent and active entries, ordered with recruiting studies first so practical options are visible. All figures are derived from the public ClinicalTrials.gov dataset maintained by the National Library of Medicine and are reproduced here for reference. Inclusion of a trial, sponsor, or intervention on this page is neither an endorsement nor a recommendation — eligibility, protocol changes, and site-level status can shift frequently, so always verify current details on ClinicalTrials.gov and consult a qualified healthcare provider before acting on anything you see here.

Frequently Asked Questions

How many clinical trials are there for Type 1 Diabetes Mellitus?

PlainTrial tracks 106 US clinical trials for Type 1 Diabetes Mellitus, of which 23 are currently recruiting participants. Data sourced from ClinicalTrials.gov.

How do I find a recruiting trial for Type 1 Diabetes Mellitus?

Use the trial list above filtered by "Recruiting" status, or visit our trial finder at /recruiting to search by condition and state. Always discuss trial participation with your healthcare provider before enrolling.

Is this data current?

Data is sourced from ClinicalTrials.gov and reflects our most recent data pull. Trial status may have changed since then. Always verify current information at ClinicalTrials.gov before making decisions about participation.

Related

Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainTrial Editorial

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from ClinicalTrials.gov (National Library of Medicine). Consult a qualified professional before making decisions based on this data.

Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2024 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.

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