Study Stopped
Because this study was initiated during the COVID pandemic, several outcome measures (including those requiring in-person assessments) were abandoned.
Unsweetened Sparkling Water and Changes in Sweetness Perception in Adolescents
Reducing Added Sugar Intake on Sweetness Perception in Adolescents by Substituting Unsweetened Sparkling Water for Sugar Sweetened Beverages
2 other identifiers
interventional
22
1 country
1
Brief Summary
The study design is a prospective observational study in adolescents who are at risk for developing Type 2 Diabetes (T2D), to evaluate the effectiveness of sparkling water to reduce dietary intake of added sugars and thereby improve glycemia. Study data on consumption and the flavor profile of sparkling water will serve as a measure of acceptability. The study intervention will be to provide carbonated flavored sparkling water for 12 weeks to adolescents (and their families) who have a usual intake of 2 or more servings of sugar sweetened beverages (SSB) per day and are at a high risk for developing type 2 diabetes. Study measures will be obtained before and after the exposure to carbonated flavored sparkling water and each participant will serve as his/her own control. To encourage the participants to substitute the carbonated flavored sparkling water, study personnel will send them weekly iMessages through the Technology Assisted Dietary Assessment (TADA) app. In addition, investigators will monitor the participants' diet, using the TADA app, every two weeks, for 4 days. Study measurements will be obtained at baseline, before the intervention, during and at the end of the 12 week intervention. Objective: Determine the effect of reducing added sugars intake by substituting carbonated sparkling water on T2D risk in adolescents. Hypothesis: Adolescents who decrease consumption of SSB by substituting sparkling water will experience decreased blood glucose concentrations and increased insulin sensitivity during an oral glucose tolerance test and decreased glucose excursions during continued glucose monitoring, compared to those who do not decrease consumption of SSB.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started Mar 2020
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
March 9, 2020
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 20, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
June 20, 2021
CompletedFirst Submitted
Initial submission to the registry
July 10, 2023
CompletedFirst Posted
Study publicly available on registry
August 1, 2023
CompletedResults Posted
Study results publicly available
February 12, 2025
CompletedFebruary 12, 2025
January 1, 2025
1.3 years
July 10, 2023
July 17, 2024
January 21, 2025
Conditions
Outcome Measures
Primary Outcomes (8)
Change in Dietary Consumption of SSB and Sparkling Water
Dietary consumption of SSB and Sparkling water were assessed using Technology Assisted Dietary Assessment (TADA) system, a mobile food record
Between 0 and 12 weeks (pre-testing was at week 0, post-testing at week 12)
Change in 2 Hour Glucose Concentrations
Oral glucose tolerance testing will be performed in the morning after participants have undergone an overnight fast for 8 hours at baseline and Week 12. Blood samples will be obtained at -15, 0, 15, 30, 60, 90,120 minutes, relative to ingestion of a glucose drink at a dose of 1.75 g/kg body weight (maximum 75 g glucose).
Between 0 and 12 weeks (pre-testing was at week 0, post-testing at week 12)
Change in Fasting Glucose
Fasting glucose will be measured after overnight fast for 8 hours, just prior to the initiation of the baseline oral glucose tolerance testing at Baseline and Week 12.
Between 0 and 12 weeks (pre-testing was at week 0, post-testing at week 12)
Change in Hemoglobin A1c (HbA1c) Concentration
HbA1c will be measured just prior to the initiation of the oral glucose tolerance testing at baseline and Week 12.
Between 0 and 12 weeks (pre-testing was at week 0, post-testing at week 12)
Change in Whole-body Insulin Sensitivity Index (WBISI)
For measures of insulin action, which takes into account serum glucose and insulin concentrations, serum fractions from the oral glucose tolerance tests will be frozen at -80 degrees C until analysis. The inverse of fasting insulin (1/fasting insulin) will be used as a surrogate estimate of whole-body insulin sensitivity.
Between 0 and 12 weeks (pre-testing was at week 0, post-testing at week 12)
Change in Insulinogenic Index (IGI)
For measures of insulin action, which takes into account serum glucose and insulin concentrations, serum fractions from the oral glucose tolerance tests will be frozen at -80 degrees C until analysis. Early phase insulin secretion during the OGTT will be expressed as the insulinogenic index (IGI) or the ratio of the incremental response of insulin to glucose at 30 minutes of the OGTT (IGI30).
Between 0 and 12 weeks (pre-testing was at week 0, post-testing at week 12)
Change in Oral Disposition Index (oDI)
For measures of insulin action, which takes into account serum glucose and insulin concentrations, serum fractions from the oral glucose tolerance tests will be frozen at -80 degrees C until analysis. The oDI will be calculated as IGI30 × 1/fasting insulin.
Between 0 and 12 weeks (pre-testing was at week 0, post-testing at week 12)
Change in Glycemic Control
We will collect free-living, glucose measures for 6 consecutive days using the Continuous Glucose Monitoring (CGM; FreeStyle Libre Pro System; Abbott; Abbott Park, IL). The CGM will be administered to participants 6 days before the start of Week 0 and Week 12, and the monitor will be removed at the clinic visit. For the placement of the CGM, the back of the participant's upper arm will be cleaned with an alcohol wipe and dried. The sensor will be firmly adhered to the arm with the needle application inserted. The FreeStyle sensor measures glucose every 15 sec and records an average glucose value every 15 min for up to 14 days.
Between 0 and 12 weeks (pre-testing was at week 0, post-testing at week 12)
Secondary Outcomes (15)
Change in Flavor Perception of Beverage Sweetness - Tested With a Beverage With Sugar Concentration 0% (Weight Per Volume)
Between 0 and 12 weeks (pre-testing was at week 0, post-testing at week 12)
Change in Flavor Perception of Beverage Sweetness - Tested With a Beverage With Sugar Concentration 1.8% (Weight Per Volume)
Between 0 and 12 weeks (pre-testing was at week 0, post-testing at week 12)
Change in Flavor Perception of Beverage Sweetness - Tested With a Beverage With Sugar Concentration 2.8% (Weight Per Volume)
Between 0 and 12 weeks (pre-testing was at week 0, post-testing at week 12)
Change in Flavor Perception of Beverage Sweetness - Tested With a Beverage With Sugar Concentration 4.4% (Weight Per Volume)
Between 0 and 12 weeks (pre-testing was at week 0, post-testing at week 12)
Change in Flavor Perception of Beverage Sweetness - Tested With a Beverage With Sugar Concentration 6.8% (Weight Per Volume)
Between 0 and 12 weeks (pre-testing was at week 0, post-testing at week 12)
- +10 more secondary outcomes
Study Arms (1)
Replacement of SSB with Unsweetened Sparkling Beverage
EXPERIMENTALTo encourage participants to substitute sparkling water flavored water for SSB intake, we will provide enough supplies of the drinks to adolescents (and their families) each month. We will also provide iPhones with the TADA app to the adolescent participants. Study staff will remind participants to consume the sparkling water through iMessages sent through the TADA app.
Interventions
Unsweetened sparkling waters are carbonated water with flavoring, completely unsweetened, which are commercially available in soda-like flavors like cola
Eligibility Criteria
You may qualify if:
- Male and female adolescents (age 10-21 years)
- Overweight and Obese (body mass index ≥ 85 percentile for age and sex)
- High consumers of SSB, defined as \>2 or more servings per day
- Family history of diabetes in a first or second degree relative OR prediabetes (i.e., evidence of either impaired glucose tolerance (HbA1c 5.7 - 6.4%, or plasma glucose between 140-199 mg/dL at 2 hours on oral glucose tolerance testing) or impaired fasting plasma glucose (≥ 100 mg/dL))
You may not qualify if:
- Use of medications that affect glucose metabolism (such as glucocorticoid-containing medications or atypical antipsychotics). We will not exclude female participants who currently use, are planning to use, or planning to stop taking oral contraceptives.
- Syndromic obesity (such as Prader Willi, hypothalamic obesity, or Laurence-Moon-Biedl)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Indiana University School of Public Health
Bloomington, Indiana, 47405, United States
Related Publications (8)
Andes LJ, Cheng YJ, Rolka DB, Gregg EW, Imperatore G. Prevalence of Prediabetes Among Adolescents and Young Adults in the United States, 2005-2016. JAMA Pediatr. 2020 Feb 1;174(2):e194498. doi: 10.1001/jamapediatrics.2019.4498. Epub 2020 Feb 3.
PMID: 31790544BACKGROUNDBanfield EC, Liu Y, Davis JS, Chang S, Frazier-Wood AC. Poor Adherence to US Dietary Guidelines for Children and Adolescents in the National Health and Nutrition Examination Survey Population. J Acad Nutr Diet. 2016 Jan;116(1):21-27. doi: 10.1016/j.jand.2015.08.010. Epub 2015 Sep 26.
PMID: 26391469BACKGROUNDReedy J, Krebs-Smith SM. Dietary sources of energy, solid fats, and added sugars among children and adolescents in the United States. J Am Diet Assoc. 2010 Oct;110(10):1477-84. doi: 10.1016/j.jada.2010.07.010.
PMID: 20869486BACKGROUNDBailey RL, Fulgoni VL, Cowan AE, Gaine PC. Sources of Added Sugars in Young Children, Adolescents, and Adults with Low and High Intakes of Added Sugars. Nutrients. 2018 Jan 17;10(1):102. doi: 10.3390/nu10010102.
PMID: 29342109BACKGROUNDBoushey CJ, Kerr DA, Wright J, Lutes KD, Ebert DS, Delp EJ. Use of technology in children's dietary assessment. Eur J Clin Nutr. 2009 Feb;63 Suppl 1(Suppl 1):S50-7. doi: 10.1038/ejcn.2008.65.
PMID: 19190645BACKGROUNDRunning, C.A. Desensitization but not sensitization from commercial chemesthetic beverages. Food Quality and Preference 2018 Vol. 69 Pages 21-27; DOI: 10.1016/j.foodqual.2018.05.001
BACKGROUNDWang J, Light K, Henderson M, O'Loughlin J, Mathieu ME, Paradis G, Gray-Donald K. Consumption of added sugars from liquid but not solid sources predicts impaired glucose homeostasis and insulin resistance among youth at risk of obesity. J Nutr. 2014 Jan;144(1):81-6. doi: 10.3945/jn.113.182519. Epub 2013 Nov 6.
PMID: 24198307BACKGROUNDMatsuda M, DeFronzo RA. Insulin sensitivity indices obtained from oral glucose tolerance testing: comparison with the euglycemic insulin clamp. Diabetes Care. 1999 Sep;22(9):1462-70. doi: 10.2337/diacare.22.9.1462.
PMID: 10480510BACKGROUND
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Limitations and Caveats
Because of the Covid-19 pandemic, data were not collected for the following outcomes: * Change in Dietary consumption of SSB and Sparkling water assessed with the TADA system * 2 hour Glucose Concentrations Measured Using 2 hour Oral Glucose Tolerance Testing * Fasting glucose and Hemoglobin A1C * Insulin Sensitivity measures (WBISI, IGI, and oDI) * Glycemic Control Measured Using Continuous Glucose Monitoring * CVD Outcomes (Blood Triglycerides, Blood Pressure and Waist Circumference)
Results Point of Contact
- Title
- Nana Gletsu Miller
- Organization
- Indiana University
Study Officials
- PRINCIPAL INVESTIGATOR
Nana Gletsu Miller, PhD
Indiana University
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- BASIC SCIENCE
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Associate Professor
Study Record Dates
First Submitted
July 10, 2023
First Posted
August 1, 2023
Study Start
March 9, 2020
Primary Completion
June 20, 2021
Study Completion
June 20, 2021
Last Updated
February 12, 2025
Results First Posted
February 12, 2025
Record last verified: 2025-01
Data Sharing
- IPD Sharing
- Will not share