Comparing diets to lower blood sugar in polycystic ovary syndrome

Glycemic reduction approaches in polycystic ovary syndrome: a comparative effectiveness study

NIH-funded research University of Michigan at Ann Arbor · NIH-11238894

This compares different diet plans to help women with PCOS lower blood sugar, lose weight, and improve insulin-related hormone levels.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Michigan at Ann Arbor NIH-funded
Lab location1 site (Ann Arbor, United States)
Project IDNIH-11238894 on NIH RePORTER

What this research studies

You would be invited to follow one of several nutrition plans—such as a standard diet, a DASH-style plan, or a very low-carbohydrate plan—for a set period while researchers track your health. The team will collect blood tests, body weight and BMI measures, and hormone or insulin-related markers, and ask about diet adherence and symptoms like acne. Visits will include counseling and follow-up to support the assigned eating plan and monitor changes. The researchers will compare how each approach affects glucose control, weight, and PCOS-related hormonal measures over time.

Who could benefit from this research

Good fit: Women aged 21 or older with a diagnosis of PCOS, especially those who are overweight or obese and concerned about blood sugar or insulin resistance, are ideal candidates.

Not a fit: People without PCOS, men, pregnant women, or anyone unable to follow dietary changes are unlikely to benefit directly from this work.

Why it matters

Potential benefit: If successful, this could identify which diet best reduces diabetes risk and improves weight and hormonal symptoms for women with PCOS.

How similar studies have performed: Prior trials show modest metabolic benefits from lower-carbohydrate diets in PCOS and stronger effects of very low-carb diets in type 2 diabetes, but very low-carb approaches have not been well tested specifically in PCOS.

Where this research is happening

Ann Arbor, 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.
Conditions Adult-Onset Diabetes Mellitus
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.