The Summer Camp Study: Blood Glucose Control With a Bi-Hormonal Bionic Endocrine Pancreas

NCT ID: NCT01833988

Last Updated: 2017-09-08

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

32 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-04-30

Study Completion Date

2014-12-31

Brief Summary

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This study will test the hypothesis that a wearable automated bionic pancreas system that automatically delivers both insulin and glucagon can improved glycemic control vs. usual care for young people with type 1 diabetes 12-20 in a diabetes camp environment.

Detailed Description

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The bionic pancreas will be compared to usual care in a crossover design in which each volunteer will serve as his or her own control. Each volunteer will be under closed-loop glucose control for five days and usual camp level of diabetes care for five days in random order with a one day washout period in between.

Conditions

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Type 1 Diabetes

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Bi-hormonal Bionic Pancreas

Bi-hormonal Bionic Pancreas

Group Type EXPERIMENTAL

Bi-hormonal Bionic Pancreas

Intervention Type DEVICE

Automated blood glucose control via a closed-loop bionic pancreas device.

Usual Care

Usual Care

Group Type ACTIVE_COMPARATOR

Usual Care

Intervention Type OTHER

Comparator week to closed-loop control, utilizing usual camp care and the subject's own insulin pump.

Interventions

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Bi-hormonal Bionic Pancreas

Automated blood glucose control via a closed-loop bionic pancreas device.

Intervention Type DEVICE

Usual Care

Comparator week to closed-loop control, utilizing usual camp care and the subject's own insulin pump.

Intervention Type OTHER

Other Intervention Names

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Boston University Bionic Pancreas

Eligibility Criteria

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Inclusion Criteria

* Age 12-20 years with type 1 diabetes for at least one year.
* Diabetes managed using an insulin infusion pump and rapid- or very-rapid-acting insulins including insulin aspart (NovoLog), insulin lispro (Humalog), and insulin glulisine (Apidra) for at least three months prior to enrollment.
* Otherwise healthy (mild chronic disease such as asthma will be allowed if well controlled that do not require medications that result in exclusion).

Exclusion Criteria

* Unable to provide informed assent
* Unable to comply with study procedures.
* Current participation in another diabetes-related clinical trial other than one that is primarily observational in nature.
* Total daily dose (TDD) of insulin that is \> 2 units/kg.
* Pregnancy (positive urine HCG), plan to become pregnant in the immediate future, or sexually active without use of contraception
* Hypoglycemia unawareness (self-reported or legal guardian report of consistent lack of hypoglycemia symptoms when BG is \< 50 mg/dl)
* End stage renal disease on dialysis (hemodialysis or peritoneal dialysis).
* History of prolonged QT or arrhythmia
* History of congenital heart disease or current known cardiac disease
* Acute illness (other than non-vomiting viral illness) or exacerbation of chronic illness other than type 1 diabetes at the time of the study.
* Seizure disorder or history of hypoglycemic seizures or coma in the last five years
* Untreated or inadequately treated mental illness (indicators would include symptoms such as psychosis, hallucinations, mania, and any psychiatric hospitalization in the last year), or treatment with second generation anti-psychotic medications, which are known to affect glucose regulation.
* Electrically powered implants (e.g. cochlear implants, neurostimulators) that might be susceptible to radiofrequency interference.
* Use non-insulin, injectable (e.g. exenatide, pramlintide) or oral (e.g. thiazolidinediones, biguanides, sulfonylureas, meglitinides, dipeptidyl peptidase-4 inhibitors, acarbose)anti-diabetic medications.
* History of adverse reaction to glucagon (including allergy) besides nausea and vomiting.
* Unwilling or unable to completely avoid acetaminophen during the usual care and closed-loop BG control portions of the study.
* History of eating disorder such as anorexia, bulimia, "diabulemia" or omission of insulin to manipulate weight
* History of intentional, inappropriate administration of insulin leading to severe hypoglycemia requiring treatment
* Any factors that, in the opinion of the principal investigator, would interfere with the safe completion of the study procedures.
Minimum Eligible Age

12 Years

Maximum Eligible Age

20 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Boston University

OTHER

Sponsor Role collaborator

Massachusetts General Hospital

OTHER

Sponsor Role lead

Responsible Party

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Steven J. Russell, MD, PhD

Assistant Professor of Medicine

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Steven J Russell, MD PhD

Role: PRINCIPAL_INVESTIGATOR

Massachusetts General Hospital

Locations

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Massachusetts General Hospital

Boston, Massachusetts, United States

Site Status

Countries

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United States

References

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Russell SJ, El-Khatib FH, Sinha M, Magyar KL, McKeon K, Goergen LG, Balliro C, Hillard MA, Nathan DM, Damiano ER. Outpatient glycemic control with a bionic pancreas in type 1 diabetes. N Engl J Med. 2014 Jul 24;371(4):313-325. doi: 10.1056/NEJMoa1314474. Epub 2014 Jun 15.

Reference Type DERIVED
PMID: 24931572 (View on PubMed)

Provided Documents

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Document Type: Study Protocol and Statistical Analysis Plan

View Document

Related Links

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http://www.bionicpancreas.org

Information about this and related studies

Other Identifiers

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2013p000561

Identifier Type: -

Identifier Source: org_study_id

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