Oral Glucose Tolerance Testing Using Candy for Cystic Fibrosis

Oral Glucose Tolerance Testing Using Candy: A Sweet Solution to Improve Screening Compliance in Cystic Fibrosis

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT04579939

Enrollment

Registered

2020-10-08

Start date

2021-02-25

Completion date

2021-12-30

Last updated

2022-01-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cystic Fibrosis

Brief summary

The study aims to determine if a popular dextrose candy alternative yields a similar glycemic curve compared to the standard oral Dextrose solution used in the Oral Glucose Tolerance Test.

Interventions

DIAGNOSTIC_TESTCandy Glucose Tolerance Test

Participants will use a popular dextrose candy alternative to help assess glycemic response.

Study design

Allocation

Intervention model

SINGLE_GROUP

Primary purpose

BASIC_SCIENCE

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

10 Years to 21 Years

Healthy volunteers

Inclusion criteria

* Males and Females ages 10-21 years. * Cystic Fibrosis (CF) must be diagnosed. * Ability to sign informed consent if they are 18 years or older. * Written parental permission if age 10-17 years old.

Exclusion criteria

* Active CF flare as determined by the primary CF team . * Use of steroids. * Inability to tolerate oral feedings. * Prior intestinal surgery. * Concern for allergy or intolerance to dextrose, fructose, or corn derivatives.

Design outcomes

Primary

Measure	Time frame	Description
Glycemic Response	Baseline, Day 1	The investigators will obtain glucose values at standard clinical times for oral glucose tolerance testing

Secondary

Measure	Time frame	Description
Patient and Parent Satisfaction	Day 2	Self-rated satisfaction using the candy alternative will be assessed via survey

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026