Better Ways to Treat Hypothyroidism

New Approaches for the treatment of Hypothyroidism

NIH-funded research University of Connecticut Sch of Med/dnt · NIH-11158865

This project looks for the best way to combine two thyroid hormones, LT4 and LT3, to help people with hypothyroidism feel better and reduce heart risks.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Connecticut Sch of Med/dnt NIH-funded
Lab location1 site (Farmington, United States)
Project IDNIH-11158865 on NIH RePORTER

What this research studies

Many people with hypothyroidism take levothyroxine (LT4), but some still experience heart-related risks and a lower quality of life, possibly because their bodies miss the T3 hormone normally made by the thyroid. While some past studies have explored adding T3 to LT4, the results have been mixed, partly due to concerns about T3's short lifespan in the body and potential heart side effects. This project aims to discover the safest and most effective dose and timing for T3 when combined with LT4. The goal is to establish a clear treatment plan that can be used in larger future studies.

Who could benefit from this research

Good fit: People with hypothyroidism who are currently treated with levothyroxine but still experience symptoms or have cardiovascular risks might be ideal candidates.

Not a fit: Patients whose hypothyroidism is well-managed with current levothyroxine treatment and who do not experience ongoing symptoms or cardiovascular concerns may not see additional benefit from this specific approach.

Why it matters

Potential benefit: If successful, this could lead to a new, more effective, and safer treatment option for people with hypothyroidism, potentially improving their quality of life and reducing cardiovascular risks.

How similar studies have performed: While some previous clinical trials with T3-containing therapies have shown promise, a systematic assessment of optimal dosing and frequency for combination therapy is still needed.

Where this research is happening

Farmington, 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.