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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/ct2/show/NCT02580877
Registration number
NCT02580877
Ethics application status
Date submitted
30/09/2015
Date registered
20/10/2015
Date last updated
27/07/2020
Titles & IDs
Public title
Immune Effects of Oral Insulin in Relatives at Risk for Type 1 Diabetes Mellitus (TN20)
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Scientific title
Exploring Immunologic Effects of Oral Insulin in Relatives at Risk for Type 1
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Secondary ID [1]
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UC4DK106993
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Secondary ID [2]
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Oral Insulin-TN20
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Type 1 Diabetes
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Condition category
Condition code
Metabolic and Endocrine
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Diabetes
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - 67.5 mg oral insulin crystals daily
Treatment: Drugs - 500mg oral insulin crystals every other week
Experimental: 67.5 mg oral insulin crystals daily - 67.5 mg oral insulin crystals in capsules (by mouth or sprinkled on food) given daily for six months
Experimental: 500mg oral insulin crystals every other week - 500 mg oral insulin crystals in capsules (by mouth or sprinkled on food) given every other week for six months
Treatment: Drugs: 67.5 mg oral insulin crystals daily
human insulin crystals in capsules
Treatment: Drugs: 500mg oral insulin crystals every other week
human insulin crystals in capsules
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Change in GAD65 Autoantibody Titer (DK Units/mL)
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Assessment method [1]
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Change in T-lymphocyte (GAD65) biomarker of beta cell specific immune response
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Timepoint [1]
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13 and 26 weeks after first dose versus baseline
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Primary outcome [2]
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Change in mIAA Autoantibody Titer From Baseline
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Assessment method [2]
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Micro-islet autoantibodies (mIAA) autoantibody titers are a measure of of beta cell immune response
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Timepoint [2]
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13 and 26 weeks after first dose versus baseline
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Eligibility
Key inclusion criteria
- Participants in TrialNet Natural History/Pathway to Prevention Study (TN01); is
relative of proband with type 1 diabetes
- Between ages 3-45 with normal Oral Glucose Tolerance Test (OGTT) or between ages 3-7
with an abnormal OGTT
- Confirmed positive for insulin autoantibodies within previous six months
- Confirmed positive for one or more other autoantibodies on two separate occasions
within the past six months
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Minimum age
3
Years
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Maximum age
45
Years
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
- Diagnosed with type 1 diabetes
- History of treatment with insulin or oral hypoglycemic agent
- History of therapy with immunosuppressive drugs or non-physiologic glucocorticoids
within the past two years for a period of more than three months
- Ongoing use of medications known to influence glucose tolerance
- Pregnant or intending to become pregnant while on study or lactating
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Study design
Purpose of the study
Prevention
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 2
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/01/2016
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
1/03/2018
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Sample size
Target
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Accrual to date
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Final
92
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Recruitment in Australia
Recruitment state(s)
VIC
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Recruitment hospital [1]
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Walter and Eliza Hall Institute of Medical Research - Parkville
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Recruitment postcode(s) [1]
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3050 - Parkville
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Recruitment outside Australia
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United States of America
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California
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United States of America
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Colorado
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Florida
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Georgia
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Illinois
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Indiana
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Massachusetts
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New York
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Pennsylvania
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United States of America
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Tennessee
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United States of America
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Texas
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United States of America
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Washington
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Country [13]
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Canada
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Ontario
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Country [14]
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Italy
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State/province [14]
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Milan
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Funding & Sponsors
Primary sponsor type
Government body
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Name
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
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Address
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Other collaborator category [1]
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Other
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Name [1]
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Type 1 Diabetes TrialNet
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Address [1]
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Ethics approval
Ethics application status
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Summary
Brief summary
The study is a 2 arm, multi-center, randomized, open-labeled clinical trial designed to
assess the effects of varying doses and schedules of oral insulin on immunological and
metabolic markers in relatives at risk for type 1 diabetes (T1D).
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Trial website
https://clinicaltrials.gov/ct2/show/NCT02580877
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Trial related presentations / publications
Skyler JS, Krischer JP, Wolfsdorf J, Cowie C, Palmer JP, Greenbaum C, Cuthbertson D, Rafkin-Mervis LE, Chase HP, Leschek E. Effects of oral insulin in relatives of patients with type 1 diabetes: The Diabetes Prevention Trial--Type 1. Diabetes Care. 2005 May;28(5):1068-76. doi: 10.2337/diacare.28.5.1068.
Bonifacio E, Ziegler AG, Klingensmith G, Schober E, Bingley PJ, Rottenkolber M, Theil A, Eugster A, Puff R, Peplow C, Buettner F, Lange K, Hasford J, Achenbach P; Pre-POINT Study Group. Effects of high-dose oral insulin on immune responses in children at high risk for type 1 diabetes: the Pre-POINT randomized clinical trial. JAMA. 2015 Apr 21;313(15):1541-9. doi: 10.1001/jama.2015.2928.
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Public notes
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Contacts
Principal investigator
Name
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Carla Greenbaum, MD
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Address
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Type 1 Diabetes TrialNet
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Contact person for public queries
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Contact person for scientific queries
Summary Results
For IPD and results data, please see
https://clinicaltrials.gov/ct2/show/NCT02580877
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