Smart insulin pump helps type 2 diabetes patients control blood sugar at home
NCT ID NCT05238142
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested the safety and effectiveness of the MiniMed 780G automated insulin pump in 574 adults with type 2 diabetes who need insulin. Participants used the system at home for about 135 days. The goal was to see if the pump improved blood sugar control without causing safety issues.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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574 people
The number who actually took part.
- Started
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Feb 2022
- Finished
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Jan 2025
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 80 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Is age 18 - 80 years at time of screening. 2. Has a clinical diagnosis of type 2 diabetes for 2 years or more as determined via medical record or source documentation by an individual qualified to make a medical diagnosis. 3. Is on MDI regimen (basal/bolus regimen with long-acting insulin and rapid-acting analogs), defined as greater than or equal to 2 injections per day for at least 3 months prior signing the informed consent, or CSII pump therapy with or without CGM. The investigator will use their discretion to verify that insulin requirements have been stable for the last 3 months prior to screening. 4. Is able to comply with technology, according to Investigator's judgment 5. Does not require a legally authorized representative to consent on their behalf due to mental or intellectual disability. 6. Is willing to perform fingerstick blood glucose measurements as needed. 7. Is willing to wear the system continuously throughout the study. 8. Has a Glycosylated hemoglobin (HbA1c) of less than 10% (as processed by Central Lab) at time of screening visit. Note: All HbA1c blood specimens will be sent to and tested by a National Glycohemoglobin Standardization Program (NGSP) certified Central Laboratory. HbA1c testing must follow NGSP standards. 9. Has thyroid-stimulating hormone (TSH) in the normal range OR if the TSH is out of normal reference range the Free T3 is below or within the lab's reference range and Free T4 is within the normal reference range. 10. Is willing to upload data from the study pump, must have Internet access, and a computer system, or compatible smartphone that meets the requirements for uploading the study pump. 11. Is willing to take one of the following insulins and can financially support the use of insulin preparations as required by the study: 1. Humalog (insulin lispro injection) 2. NovoLog/NovoRapid (insulin aspart injection) 3. Admelog (insulin lispro injection) Exclusion Criteria: 1. Has a history of 2 or more episodes of severe hypoglycemia, which resulted in any the following during the 6 months prior to screening: 1. Medical assistance (i.e., Paramedics, Emergency Room \[ER\] or Hospitalization) 2. Coma 3. Seizures 2. Has been hospitalized or has visited the ER in the 6 months prior to screening resulting in a primary diagnosis of uncontrolled diabetes. 3. Has had diabetic ketoacidosis (DKA) or hyperglycemic hyperosmolar syndrome (HHS) in the last 6 months prior to screening visit. 4. Will not tolerate tape adhesive in the area of sensor placement as assessed by a qualified individual. 5. Has any unresolved adverse skin condition in the area of sensor placement (e.g., psoriasis, dermatitis herpetiformis, rash, Staphylococcus infection) at time of screening. 6. Has (Total Daily Dose) of less than 8 units or greater than 250 units at time of screening. 7. Has positive GAD (Glutamic Acid Decarboxylase) Antibody test 8. Is female of child-bearing potential and result of pregnancy test is positive at screening 9. Is sexually active female of child-bearing potential and is not using a form of contraception deemed reliable by the investigator. 10. Is female and plans to become pregnant during the course of the study. 11. Is being treated for hyperthyroidism at time of screening. 12. Has diagnosis of adrenal insufficiency at time of screening. 13. Has taken any oral, injectable, or intravenous (IV) glucocorticoids within 8 weeks from time of screening visit, or plans to take any oral, injectable, or IV glucocorticoids during the course of the study. Note: Intra-articular injections to treat pain (e.g., joint pain, bursitis, etc.) are permitted 14. Is using hydroxyurea at time of screening or plans to use it during the study. 15. Is actively participating in an investigational study (drug or device) wherein he/she has received treatment from an investigational study drug or investigational study device in the last 2 weeks prior to screening.(Note: Did not apply to subjects who transitioned from Phase 1 to Phase 2) 16. Is currently abusing illicit drugs. 17. Is currently abusing marijuana. 18. Is currently abusing prescription drugs. 19. Is currently abusing alcohol. 20. Has a history of visual impairment which would not allow subject to participate in the study and perform all study procedures safely, as determined by the investigator. 21. Has elective surgery planned that requires general anesthesia during the course of the study. 22. Has sickle cell disease, hemoglobinopathy; or has received red blood cell transfusion or erythropoietin within 3 months prior to time of screening. 23. Plans to receive red blood cell transfusion or erythropoietin over the course of study participation. 24. Is diagnosed with current eating disorder such as anorexia or bulimia. 25. Has been diagnosed with chronic kidney disease greater than CKD2 that results in chronic anemia. 26. Has a hematocrit that is below the normal reference range of lab used. 27. Is on dialysis. 28. Has serum creatinine of \>2 mg/dL. 29. Has celiac disease that is not adequately treated as determined by the investigator. 30. Has had any of the following cardiovascular events within 1 year of screening: myocardial infarction, unstable angina, coronary artery bypass surgery, coronary artery stenting, transient ischemic attack, cerebrovascular accident, angina, congestive heart failure, or ventricular rhythm disturbances. 31. Has had any of the following cardiovascular events 1 year or more prior to screening: Myocardial infarction, unstable angina, coronary artery bypass surgery, coronary artery stenting, transient ischemic attack, cerebrovascular accident, angina, congestive heart failure, or ventricular rhythm disturbances. Subject may be enrolled if clearance from a board-certified cardiologist is provided prior to or at Screening. 32. Is a member of the research staff involved with the study. 33. Has used a MiniMed 780G pump prior to screening (Note: In Phase 2, this applies to new subjects only).
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Atlanta Diabetes Associates
Atlanta, Georgia, 30318, United States
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Atlantic Health System
Morristown, New Jersey, 07962, United States
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Bryan Health
Lincoln, Nebraska, 68506, United States
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East Coast Institute for Research
Jacksonville, Florida, 32204, United States
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East Coast Institute for Research
Canton, Georgia, 30114, United States
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East Coast Institute for Research
Macon, Georgia, 31210, United States
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Endocrine & Metabolic Consultants
Rockville, Maryland, 20852, United States
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Endocrine Research Solutions
Roswell, Georgia, 30076, United States
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Headlands Research California LLC
Escondido, California, 92025, United States
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Hoag Hospital Newport Beach
Newport Beach, California, 92663, United States
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Houston Methodist Research Institute
Houston, Texas, 77030, United States
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Iowa Diabetes Research
West Des Moines, Iowa, 50265, United States
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Javara
Thomasville, Georgia, 31792, United States
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Javara
Conroe, Texas, 77384, United States
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Loma Linda University Medical Center
Loma Linda, California, 92354, United States
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MedStar Good Samaritan Hospital
Baltimore, Maryland, 21239, United States
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Medical Investigations
Little Rock, Arkansas, 72211, United States
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Mills-Peninsula Medical Center: Diabetes Research Institute
San Mateo, California, 94401, United States
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NYC Research Inc
Long Island City, New York, 11106, United States
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NorthShore University Health System
Skokie, Illinois, 60077, United States
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Northwell Health Physician Partners Endocrinology
New York, New York, 10022, United States
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Park Nicollet International Diabetes Center
Saint Louis Park, Minnesota, 55416, United States
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Physicians East
Greenville, North Carolina, 27834, United States
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Prime Revival Research Institute
Flower Mound, Texas, 75028, United States
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Rainier Clinical Research Center
Renton, Washington, 98057, United States
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Sansum Diabetes Research Institute
Santa Barbara, California, 93105, United States
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Tekton Research
McKinney, Texas, 75069, United States
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Texas Diabetes and Endocrinology
Austin, Texas, 78731, United States
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USF Diabetes Center
Tampa, Florida, 33612, United States
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Velocity Clinical Research
Dallas, Texas, 75230, United States
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Virginia Endocrinology Research
Chesapeake, Virginia, 23321, United States
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