Sweeteners under scrutiny: could aspartame or sucralose worsen prediabetes?

NCT ID NCT05337098

First seen Dec 11, 2025 · Last updated Jun 23, 2026 · Updated 29 times

Summary

This study looks at whether the artificial sweeteners aspartame and sucralose change how the body handles sugar in older adults with prediabetes. Researchers will give participants either one of the sweeteners or a placebo for several weeks and track blood sugar levels continuously. The goal is to see if these common sweeteners might actually make blood sugar control worse.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for INSULIN SENSITIVITY are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Virginia Tech

    RECRUITING

    Blacksburg, Virginia, 24061, United States

    Contact

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

aspartame and sucralose (artificial sweeteners)

What this could lead to

If it works, this could help people with prediabetes choose which artificial sweeteners are safer for blood sugar control.

What could go wrong

This is a small, early-stage study with only 30 participants. Results may not apply to everyone, and the sweeteners might not affect blood sugar as expected.

Conditions

The condition(s) this trial relates to.

Insulin Resistance prediabetes syndrome

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.