Trial Outcomes & Findings for Effects of Low-calorie Sweetened Beverage Restriction in Youth With Type 1 Diabetes (NCT NCT04385888)

NCT ID: NCT04385888

Last Updated: 2025-08-26

Results Overview

Change in Time in Range (TIR)

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

62 participants

Primary outcome timeframe

Baseline vs Weeks 11-12

Results posted on

2025-08-26

Participant Flow

The reason that the number started does not equal the total enrollment is because there was a run-in period, prior to randomization, where 3 children (6 total participants including the child's parent) were lost to follow-up.

Participant milestones

Participant milestones
Measure
Low-calorie Sweetener Restriction: Children
Participants will be instructed to avoid low-calorie sweetened beverages and other sources of low-calorie sweeteners, and to instead consume unsweetened alternatives, such as plain or sparkling water for 12 weeks. Low-calorie sweetener restriction: Participants will avoid low-calorie sweetened beverages and other sources of low-calorie sweeteners for 12 weeks and will instead consume unsweetened alternatives, such as still or sparkling water
Usual Consumption/Control: Children
Participants will continue low-calorie sweetener consumption, as usual.
Low-calorie Sweetener Restriction: Parents
Participants will be instructed to have their child avoid low-calorie sweetened beverages and other sources of low-calorie sweeteners, and to instead consume unsweetened alternatives, such as plain or sparkling water for 12 weeks.
Usual Consumption/Control: Parents
Participants'children will continue low-calorie sweetener consumption, as usual.
Run-in Period
STARTED
16
15
16
15
Run-in Period
COMPLETED
15
13
15
13
Run-in Period
NOT COMPLETED
1
2
1
2
Randomized to Intervention or Control
STARTED
15
13
15
13
Randomized to Intervention or Control
COMPLETED
13
13
13
13
Randomized to Intervention or Control
NOT COMPLETED
2
0
2
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Effects of Low-calorie Sweetened Beverage Restriction in Youth With Type 1 Diabetes

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Low-calorie Sweetener Restriction: Children
n=15 Participants
Participants will be instructed to avoid low-calorie sweetened beverages and other sources of low-calorie sweeteners, and to instead consume unsweetened alternatives, such as plain or sparkling water for 12 weeks. Low-calorie sweetener restriction: Participants will avoid low-calorie sweetened beverages and other sources of low-calorie sweeteners for 12 weeks and will instead consume unsweetened alternatives, such as still or sparkling water
Usual Consumption/Control: Children
n=13 Participants
Participants will continue low-calorie sweetener consumption, as usual.
Low-calorie Sweetener Restriction: Parents
Participants will be instructed to have their child avoid low-calorie sweetened beverages and other sources of low-calorie sweeteners, and to instead consume unsweetened alternatives, such as plain or sparkling water for 12 weeks.
Usual Consumption/Control: Parents
Participants' children will continue low-calorie sweetener consumption, as usual.
Total
n=28 Participants
Total of all reporting groups
Age, Continuous
9.7 years
STANDARD_DEVIATION 1.8 • n=5 Participants
9.7 years
STANDARD_DEVIATION 2.3 • n=7 Participants
9.7 years
STANDARD_DEVIATION 2.0 • n=21 Participants
Sex: Female, Male
Female
7 Participants
n=5 Participants
7 Participants
n=7 Participants
14 Participants
n=21 Participants
Sex: Female, Male
Male
8 Participants
n=5 Participants
6 Participants
n=7 Participants
14 Participants
n=21 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
n=5 Participants
1 Participants
n=7 Participants
2 Participants
n=21 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
14 Participants
n=5 Participants
12 Participants
n=7 Participants
26 Participants
n=21 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Black or African American
6 Participants
n=5 Participants
6 Participants
n=7 Participants
12 Participants
n=21 Participants
Race (NIH/OMB)
White
8 Participants
n=5 Participants
6 Participants
n=7 Participants
14 Participants
n=21 Participants
Race (NIH/OMB)
More than one race
1 Participants
n=5 Participants
1 Participants
n=7 Participants
2 Participants
n=21 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=21 Participants
BMI percentile
62.1 percentile
STANDARD_DEVIATION 29.0 • n=5 Participants
73.9 percentile
STANDARD_DEVIATION 15.0 • n=7 Participants
67.6 percentile
STANDARD_DEVIATION 23.9 • n=21 Participants
Time since type 1 diabetes diagnosis
4.0 years
STANDARD_DEVIATION 2.9 • n=5 Participants
4.4 years
STANDARD_DEVIATION 2.1 • n=7 Participants
4.2 years
STANDARD_DEVIATION 2.5 • n=21 Participants

PRIMARY outcome

Timeframe: Baseline vs Weeks 11-12

Population: The outcome was measured only among children who completed the study.

Change in Time in Range (TIR)

Outcome measures

Outcome measures
Measure
Low-calorie Sweetener Restriction
n=13 Participants
Participants will be instructed to avoid low-calorie sweetened beverages and other sources of low-calorie sweeteners, and to instead consume unsweetened alternatives, such as plain or sparkling water for 12 weeks. Low-calorie sweetener restriction: Participants will avoid low-calorie sweetened beverages and other sources of low-calorie sweeteners for 12 weeks and will instead consume unsweetened alternatives, such as still or sparkling water
Usual Consumption/Control
n=13 Participants
Participants will continue low-calorie sweetener consumption, as usual.
Low-calorie Sweetener Restriction: Parents
Participants will be instructed to have their child avoid low-calorie sweetened beverages and other sources of low-calorie sweeteners, and to instead consume unsweetened alternatives, such as plain or sparkling water for 12 weeks.
Usual Consumption/Control: Parents
Participants' children will continue low-calorie sweetener consumption, as usual.
Glycemic Variability
2.00 percent
Standard Deviation 2.59
3.91 percent
Standard Deviation 2.59

SECONDARY outcome

Timeframe: Baseline vs. Week 12

Population: Outcomes were assessed for children, not parents

Change in visceral fat area will be assessed using DXA. Due to COVID-19, very few participants were able to have visceral fat measured pre and post intervention.

Outcome measures

Outcome measures
Measure
Low-calorie Sweetener Restriction
n=3 Participants
Participants will be instructed to avoid low-calorie sweetened beverages and other sources of low-calorie sweeteners, and to instead consume unsweetened alternatives, such as plain or sparkling water for 12 weeks. Low-calorie sweetener restriction: Participants will avoid low-calorie sweetened beverages and other sources of low-calorie sweeteners for 12 weeks and will instead consume unsweetened alternatives, such as still or sparkling water
Usual Consumption/Control
n=5 Participants
Participants will continue low-calorie sweetener consumption, as usual.
Low-calorie Sweetener Restriction: Parents
Participants will be instructed to have their child avoid low-calorie sweetened beverages and other sources of low-calorie sweeteners, and to instead consume unsweetened alternatives, such as plain or sparkling water for 12 weeks.
Usual Consumption/Control: Parents
Participants' children will continue low-calorie sweetener consumption, as usual.
Visceral Adiposity
0.1 % body fat
Standard Error 1.1
1.0 % body fat
Standard Error 0.8

SECONDARY outcome

Timeframe: Baseline vs Week 12

Population: The outcome was measured among children, not parents.

We will collect a blood sample to measure TNF-alpha and calculate the change from baseline.

Outcome measures

Outcome measures
Measure
Low-calorie Sweetener Restriction
n=13 Participants
Participants will be instructed to avoid low-calorie sweetened beverages and other sources of low-calorie sweeteners, and to instead consume unsweetened alternatives, such as plain or sparkling water for 12 weeks. Low-calorie sweetener restriction: Participants will avoid low-calorie sweetened beverages and other sources of low-calorie sweeteners for 12 weeks and will instead consume unsweetened alternatives, such as still or sparkling water
Usual Consumption/Control
n=13 Participants
Participants will continue low-calorie sweetener consumption, as usual.
Low-calorie Sweetener Restriction: Parents
Participants will be instructed to have their child avoid low-calorie sweetened beverages and other sources of low-calorie sweeteners, and to instead consume unsweetened alternatives, such as plain or sparkling water for 12 weeks.
Usual Consumption/Control: Parents
Participants' children will continue low-calorie sweetener consumption, as usual.
Change in Inflammatory Cytokines (TNF-alpha)
0.08 pg/mL
Standard Error 0.07
-0.23 pg/mL
Standard Error 0.08

Adverse Events

Low-calorie Sweetener Restriction: Children

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Usual Consumption/Control: Children

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Low-calorie Sweetener Restriction: Parents

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Usual Consumption/Control: Parents

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Allison Sylvetsky

George Washington University

Phone: 202-994-5602

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place