Understanding and Treating Jansen's and Eiken Syndromes

PTH Inverse Agonists as Therapy for Jansens Disease

NIH-funded research Massachusetts General Hospital · NIH-11161480

This research explores new ways to correct genetic problems that cause rare bone conditions like Jansen's and Eiken Syndromes.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionMassachusetts General Hospital NIH-funded
Lab location1 site (Boston, United States)
Project IDNIH-11161480 on NIH RePORTER

What this research studies

Jansen's Metaphyseal Chondrodysplasia (JMC) and Eiken Syndrome (ES) are rare genetic conditions that affect bone growth, leading to severe deformities and short stature. These conditions happen because of changes in a specific receptor in the body, called PTH1R, which then sends too many signals. Our team is looking into special compounds called PTH inverse agonists that can calm down this overactive receptor. We hope to find a way to stop the harmful signals and improve bone development for those affected.

Who could benefit from this research

Good fit: This research is focused on understanding the genetic causes of Jansen's Metaphyseal Chondrodysplasia and Eiken Syndrome in adults and children.

Not a fit: Patients without Jansen's Metaphyseal Chondrodysplasia or Eiken Syndrome would not directly benefit from this specific research.

Why it matters

Potential benefit: If successful, this work could lead to new medications that correct the underlying cause of Jansen's and Eiken Syndromes, potentially improving bone health and overall quality of life for patients.

How similar studies have performed: Early laboratory tests have shown that these special compounds can suppress the overactive signals in cells from patients, suggesting a promising new approach.

Where this research is happening

Boston, 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.