Impact of reducing non-nutritive sweeteners during pregnancy and lactation on health outcomes for mothers and infants

Effects of a non-nutritive sweetener reduction intervention in pregnancy and lactation on maternal and infant outcomes (the SWEETPEA trial)

NIH-funded research George Washington University · NIH-11019759

This study is looking at how cutting back on artificial sweeteners during pregnancy and breastfeeding might impact the health of moms and their babies, helping to provide better advice for women in this situation.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionGeorge Washington University NIH-funded
Lab location1 site (Washington, United States)
Project IDNIH-11019759 on NIH RePORTER

What this research studies

This research investigates how reducing the intake of non-nutritive sweeteners (NNS) during pregnancy and lactation affects the health of both mothers and their infants. The study will involve a randomized controlled trial to assess changes in maternal blood sugar levels, infant body composition, and gut microbiome development. By comparing outcomes between those who reduce NNS consumption and those who do not, the research aims to provide clearer guidelines for pregnant and lactating women regarding sweetener intake. Participants will be monitored over time to evaluate both maternal and infant health outcomes.

Who could benefit from this research

Good fit: Ideal candidates for this research are pregnant or lactating women who consume non-nutritive sweeteners regularly.

Not a fit: Patients who are not pregnant or lactating, or those who do not consume non-nutritive sweeteners, may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved health guidelines for pregnant and lactating women, potentially reducing the risk of obesity and metabolic disorders in their children.

How similar studies have performed: While some observational studies have suggested links between NNS consumption and adverse outcomes, this research represents a novel approach by conducting a randomized controlled trial to establish clearer causal relationships.

Where this research is happening

Washington, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.