- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03959423
Safety Evaluation of the Advanced Hybrid Closed Loop (AHCL) System
Safety Evaluation of the Advanced Hybrid Closed Loop (AHCL) System in Type 1 Adult and Pediatric Subjects
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Arkansas
-
Little Rock, Arkansas, United States, 72211
- Arkansas Diabetes and Endocrinology Center
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California
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La Jolla, California, United States, 92037
- Scripps Whittier Diabetes Institute
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Torrance, California, United States, 90505
- SoCal Diabetes
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Walnut Creek, California, United States, 94598
- Diablo Clinical Research
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Colorado
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Aurora, Colorado, United States, 80045
- Barbara Davis Center - Adults
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Aurora, Colorado, United States, 80045
- Barbara Davis Center - Pediatric
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Connecticut
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New Haven, Connecticut, United States, 06511
- Yale Diabetes Research Program
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Florida
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Tampa, Florida, United States, 33613
- University of South Florida
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Georgia
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Atlanta, Georgia, United States, 30318
- Atlanta Diabetes Associates
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Roswell, Georgia, United States, 30076
- Southeastern Endocrine
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Idaho
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Idaho Falls, Idaho, United States, 83404
- Rocky Mountain Diabetes Center
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Minnesota
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Minneapolis, Minnesota, United States, 55416
- International Diabetes Center
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Tennessee
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Bartlett, Tennessee, United States, 38133
- AM Diabetes & Endocrinology Center
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Texas
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Austin, Texas, United States, 78681
- Texas Endocrinology
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San Antonio, Texas, United States, 78229
- Diabetes and Glandular Disease Clinic
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Washington
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Renton, Washington, United States, 98057
- Rainier Clinical Research
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Seattle, Washington, United States, 98105
- Seattle Children's Hospital and Medical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Subject is age 7-75 years at time of Screening
- Subjects 14-75 years of age: A clinical diagnosis of type 1 diabetes for 2 years or more as determined via medical record or source documentation by an individual qualified to make a medical diagnosis
- Subjects 7-13 years of age: A clinical diagnosis of type 1 diabetes for 1 year or more as determined via medical record or source documentation by an individual qualified to make a medical diagnosis Study-specific inclusion criteria
- Subject is willing to perform ≥ 4 finger stick blood glucose measurements daily
- Subject is willing to perform required sensor calibrations
- Subject is willing to wear the system continuously throughout the study
- Subject must have a minimum daily insulin requirement (Total Daily Dose) of greater than or equal to 8 units
- Subject has a Glycosylated hemoglobin (HbA1c) 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 NGSP certified Central Laboratory. HbA1c testing must follow National Glycohemoglobin Standardization Program (NGSP) standards.
- Subject has 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.
- Pump therapy for greater than 6 months prior to screening (with or without CGM experience)
- Subject must have a companion or caregiver available at night for the duration of the study period who resides (or will live) in in the same building (or home). A companion or caregiver should also be available during exercise challenges in the same building, home or location (if not at home). This requirement may be verified by subject report at screening visit.
- Subject willing to upload data from the study pump, must have Internet access and a computer system that meets the requirements for uploading the study pump
- If subject has celiac disease, it has been adequately treated as determined by the investigator
Subject is willing to take one of the following insulins and can financially support the use of either of the 2 insulin preparations throughout the course of the study (i.e. co-payments for insulin with insurance or able to pay full amount)
- Humalog™* (insulin lispro injection)
- NovoLog™* (insulin aspart)
- Subjects with history of cardiovascular event 1 year or more from the time of screening must have an EKG within 6 months prior to screening or during screening. If subject has an abnormal EKG, participation is allowed if there is clearance from a cardiologist
Subjects with the 3 or more cardiovascular risk factors listed below must have an EKG within 6 months prior to screening or during screening. If subject has an abnormal EKG, participation is allowed if there is clearance from a cardiologist
a. Cardiovascular risk factors include:
- Age >35 years
- Type 1 diabetes of >15 years' duration
- Presence of any additional risk factor for coronary artery disease
- Presence of microvascular disease (proliferative retinopathy or nephropathy, including microalbuminuria)
- Presence of peripheral vascular disease
- Presence of autonomic neuropathy
- Subjects with history of cardiovascular event 1 year or more from the time of screening must have a stress test within 6 months prior to screening or during run in period. If subject fails stress test, participation is allowed if there is clearance from a cardiologist
Exclusion Criteria:
Subject has a history of 1 or more episodes of severe hypoglycemia, which resulted in any the following during the 6 months prior to Screening:
- Medical assistance (i.e. Paramedics, Emergency Room (ER) or Hospitalization)
- Coma
- Seizures
- Subject has been hospitalized or has visited the ER in the 6 months prior to Screening resulting in a primary diagnosis of uncontrolled diabetes
- Subject has had Diabetic Ketoacidosis (DKA) in the 6 months prior to Screening.
- Subject has Hypoglycemia Unawareness, as measured by the Gold questionnaire (Gold, MacLeod et al. 1994) at Screening
- Subject is unable to tolerate tape adhesive in the area of sensor placement
- Subject has any unresolved adverse skin condition in the area of sensor placement (e.g., psoriasis, dermatitis herpetiformis, rash, Staphylococcus infection)
- Women of child-bearing potential who have a positive pregnancy test at Screening or plan to become pregnant during the course of the study
- Females who are sexually active and able to conceive will be excluded if they are not using an effective method of contraception and do not agree to continue using an effective method of contraception for the duration of the study as determined by investigator.
- Subject 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, ventricular rhythm disturbances or thromboembolic disease
- Subject is being treated for hyperthyroidism at time of Screening
- Subject has a diagnosis of adrenal insufficiency
- Subject has taken any oral, injectable, or intravenous (IV) glucocorticoids within 8 weeks from time of Screening, or plans to take any oral, injectable, or IV glucocorticoids during the course of the study
- Subject 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
- Subject is currently abusing illicit drugs
- Subject is currently abusing marijuana
- Subject is currently abusing prescription drugs
- Subject is currently abusing alcohol
- Subject is using pramlintide (Symlin), DPP-4 inhibitor, liraglutide (Victoza or other GLP-1 agonists), metformin, canagliflozin (Invokana or other SGLT2 inhibitors) at time of Screening
- Subject 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
- Subject has elective surgery planned that requires general anesthesia during the course of the study
- Subject has a sickle cell disease, hemoglobinopathy; or has received red blood cell transfusion or erythropoietin within 3 months prior to time of Screening
- Subject plans to receive red blood cell transfusion or erythropoietin over the course of study participation
- Subject diagnosed with current eating disorder such as anorexia or bulimia
- Subject has been diagnosed with chronic kidney disease that results in chronic anemia
- Subject has a hematocrit that is below the normal reference range of lab used.
- Subject is on dialysis
- Subject has serum creatinine of >2 mg/dL.
- Research staff involved with the study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Subjects 7-75 years of age
Subjects who have been diagnosed with type 1 diabetes
|
670G 4.0 system with GS3; 780G system with G4S (continued access phase);
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in HbA1c
Time Frame: Baseline to End of 3-Month Study Period
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The overall mean difference of the change in HbA1c from baseline to end of 3-month Study Period.
|
Baseline to End of 3-Month Study Period
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Change in Percentage of Euglycemia
Time Frame: Baseline to End of 3-Month Study Period
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The overall mean change in % of time in euglycemia (70-180 mg/dL) from baseline to end of 3-month Study Period will be estimated.
|
Baseline to End of 3-Month Study Period
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Severe Hypoglycemic Event
Time Frame: 3-month Study Period
|
Number of severe hypoglycemic events occurred during 3-month Study Period
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3-month Study Period
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Number of Diabetic Ketoacidosis (DKA) Event
Time Frame: 3-month Study Period
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Number of Diabetic Ketoacidosis (DKA) event occurred during 3-month Study Period
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3-month Study Period
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Change in Percent of Time in Hypoglycemic Range (<70 mg/dL)
Time Frame: Baseline to End of 3-Month Study Period
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The overall mean change in % of time in hypoglycemic range (<70 mg/dL) from baseline to end of 3-month Study Period will be estimated.
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Baseline to End of 3-Month Study Period
|
Collaborators and Investigators
Sponsor
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- CIP321
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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