Status:

COMPLETED

Effect of Prebiotics on the Gut Microbiome Profile and Beta Cell Function

Lead Sponsor:

Indiana University

Collaborating Sponsors:

National Center for Advancing Translational Sciences (NCATS)

Conditions:

Type 1 Diabetes

Eligibility:

All Genders

11-17 years

Phase:

PHASE1

Brief Summary

Data suggest that intestinal microbiota might be critically involved both in autoimmunity and in glucose homeostasis. An acetylated and butyrylated form of high amylose maize starch (HAMS-AB) that inc...

Detailed Description

This is a pilot, single center clinical trial to evaluate the effect of using the prebiotic, HAMS-AB, on the gut microbiome profile, glycemia and β-cell function in children and adolescents ages 12-16...

Eligibility Criteria

Inclusion

  • Be between 11-17 years of age
  • Willing to consume HAMS-AB and follow a diabetic diet
  • Diagnosed by American Diabetes Association criteria with T1D in the last 4-36 months
  • Random non-fasting C-peptide of 0.17nmol/ml or greater
  • Willing to use an effective form of contraception if sexually active
  • BMI\< 85% for age and sex
  • Positive for any one of the following diabetes-related autoantibodies that are tested clinically \[insulin autoantibody (if tested within 14 days of diagnosis), glutamic acid decarboxylase (GAD), insulinoma-associated protein-2 (IA-2), or Zinc transporter 8 autoantibodies (ZnT8)\].

Exclusion

  • Presence of severe, active disease that interferes with dietary intake or requires the use of chronic medication, except for well-controlled hypothyroidism and mild asthma not requiring oral steroids.
  • Diabetes other than T1D (Known monogenic forms of diabetes, Type 2 diabetes)
  • Chronic illness known to affect glucose metabolism (e.g. Cushing syndrome, polycystic ovarian disorder, cystic fibrosis) or taking medications that affect glucose metabolism (e.g. steroids, metformin)
  • Psychiatric impairment or current use of anti-psychotic medication
  • Any condition that, in the investigator's opinion, may compromise study participation or may confound the interpretation of the study results.
  • Female participants of child-bearing age with reproductive potential, must not be pregnant and agree to use an effective form of birth control or be abstinent during the study period (see below)
  • History of recurrent infections
  • History of on-going infections or antibiotic treatment within the past three months
  • History of immune compromise
  • Steroid intake (inhaled or oral)
  • Other immunosuppressant use in past 6 months
  • History of gastrointestinal disease
  • Possible or confirmed celiac disease
  • Pregnancy or possible pregnancy
  • Allergy to corn (prebiotic)
  • Allergy to milk or milk products or soy present in Boost
  • Participation in other intervention research trials within the past 3 months
  • Anticipate major changes in diabetes management during study (change from injection to pump, new start of continuous glucose monitoring)
  • Consuming high fiber or vegetarian diet (consuming three or more servings of high fiber foods on 4 or more days per week) using validated dietary assessments (see below under schedule of events table).
  • Taking fiber supplements
  • \-

Key Trial Info

Start Date :

June 22 2020

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

June 9 2023

Estimated Enrollment :

12 Patients enrolled

Trial Details

Trial ID

NCT04114357

Start Date

June 22 2020

End Date

June 9 2023

Last Update

October 1 2024

Active Locations (1)

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Indiana University School of Medicine

Indianapolis, Indiana, United States, 46202