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Diabetes Mellitus, Type 1: full-pipeline trial registry
39 of 119 indexed Diabetes Mellitus, Type 1 trials are currently recruiting.
Corpus placement: #105 of 28,707 conditions by registered trial count.
119 US clinical trials · 39 currently recruiting · #105 of 28,707 conditions by registered trial count
Diabetes Mellitus, Type 1: 119 US clinical trials tracked, 39 recruiting.
Diabetes Mellitus, Type 1 is the subject of 119 registered US clinical trials on ClinicalTrials.gov, 39 of them currently open to new participants. 31 are in Phase 3-4 (later-stage) and 27 in Phase 1-2 (earlier-stage). The most active sponsor is Novo Nordisk A/S, running 11 of these trials.
Enrollment posture brief
Registry condition diabetes-mellitus-type-1
OPEN 39 | RECR 33% | LATE 31 | EARLY 27 | RANK #105 | SPON 11
Volume-matched condition peers
Nearest open-share peer: Non-alcoholic Fatty Liver Disease (33% recruiting · 58 trials)
Diabetes Mellitus, Type 1 lists 39 open slots (33% of 119 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Diabetes Mellitus, Type 1 on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Diabetes Mellitus, Type 1 is recruiting below its size-band peers.
39 of 119 indexed trials (32.8%) are open to enrollment, against a 37.1% average across 139 conditions with 100+ trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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Sponsorship of Diabetes Mellitus, Type 1 trials is spread across many organizations.
Novo Nordisk A/S accounts for 11 of 119 trials (9.2%). 70 distinct sponsors appear on at least one study for this condition label.
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Typical Diabetes Mellitus, Type 1 enrolment sits around 73 participants.
Median target enrolment is 73 among the 119 trials that report a genuine target (sentinel values excluded). 70 of those (58.8%) plan for fewer than 100 participants.
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Diabetes Mellitus, Type 1 research is mostly interventional.
105 interventional and 14 observational studies make up this index (88.2% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
119 total, page 3 of 3
A Pilot Study of Biomarkers of Stress in Youth Who Use Teens.Connect
Yale University
NCT02970656
A Study Designed to Compare 2 Dose Strengths of TI Inhalation Powder in Adults With Type 1 Diabetes Mellitus and to Compare One of Those Formulations (30Units) With an Injection of Insulin Lispro
Mannkind Corporation
NCT00662857
A Continuous Glucose Monitor Based Insulin Bolus Calculator
Welldoc
NCT05229445
Comparison of Insulin Degludec With Insulin Glargine U100 for Adults With Type 1 Diabetes Crossing Multiple Time Zones.
Sansum Diabetes Research Institute
NCT03668808
Study of Calcium Metabolism in Teenage Girls With Type 1 Diabetes
University of Rochester
NCT03156179
Assessment of an Automatic Closed-loop Insulin Delivery System
Stanford University
NCT02366767
Afrezza® Dosing Optimization Study
Mannkind Corporation
NCT04849845
To Examine the Lung When People With Diabetes Take an Inhaled Form of Insulin, Compared to Subcutaneous Insulin.
Pfizer
NCT00143104
Phase 2, Randomized, Open-Label, Crossover, PD/PK Study of a Novel Pram-Insulin Co-Formulation in Adults With T1D
Xeris Pharmaceuticals
NCT04074317
A Clinical Study to Investigate and Compare the Impact of High Protein Pasta, Lower Protein Pasta and White Rice on Blood Sugar Control in People With Type 1 Diabetes Mellitus (T1DM)
Sansum Diabetes Research Institute
NCT03362151
Effect of Medium Chain Fatty Acids on Cognitive Function During Acute Hypoglycemia in Patients With Type 1 Diabetes
Yale University
NCT00592072
A Study to Assess the Safety of Single Doses of GSK189075 in Subjects With Type 1 Diabetes Mellitus
GlaxoSmithKline
NCT00575159
Islet Transplantation for Patients With Type 1 Diabetes
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NCT00073281
Acceptability of Virtual Educational Intervention for Adolescents and Young Adults With Type 1 Diabetes Mellitus
University Hospitals Cleveland Medical Center
NCT04878419
Phase 2 Study of Adaptive Insulin Meal Supervisor (AIMS) in Adults With Type 1 Diabetes Mellitus
University of Virginia
NCT01839370
Integrated Behavioral Healthcare for Youth With Type 1 Diabetes
University of Miami
NCT05915975
Sitagliptin Dose Determination Study
Albert Einstein College of Medicine
NCT01530178
Islet Cell Transplantation in Patients With Type I Diabetes With Previous Kidney Transplantation
Rodolfo Alejandro
NCT00315588
Pharmacokinetics (PK)/ Pharmacodynamics (PD) of an Extended Wear Infusion Set for Continuous Subcutaneous Insulin Infusion (CSII) in Type 1 Diabetes Mellitus (T1DM) Patients ("PEXIS")
Capillary Biomedical
NCT04398030
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 13 |
| Phase 2 | 14 |
| Phase 3 | 23 |
| Phase 4 | 8 |
Top Sponsors
Named interventions
Most-linked intervention names on Diabetes Mellitus, Type 1 records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Diabetes Mellitus, Type 1 trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Diabetes Mellitus, Type 1 page
119 registered trials, 39 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 39 Diabetes Mellitus, Type 1 trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Novo Nordisk A/S sponsors the most Diabetes Mellitus, Type 1 trials on record, review their full trial history before evaluating a specific study. See Novo Nordisk A/S's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Diabetes Mellitus, Type 1 condition card totals 119 registered trials; most-linked intervention Placebo; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.