Understanding Muscle Weakness and Stiffness Conditions

Pathophysiology of Myotonia and Periodic Paralysis

NIH-funded research University of California Los Angeles · NIH-11126637

This project explores the reasons behind muscle weakness and stiffness in conditions like periodic paralysis and myotonia, aiming to find new ways to help patients.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of California Los Angeles NIH-funded
Lab location1 site (Los Angeles, United States)
Project IDNIH-11126637 on NIH RePORTER

What this research studies

This project seeks to understand the fundamental causes of muscle weakness and stiffness in conditions known as periodic paralysis and myotonia. These conditions are linked to issues with ion channels in skeletal muscle, which can lead to severe weakness and muscle stiffness that depend on activity. Researchers are studying how specific changes in these channels cause symptoms and how factors like stress, diet, or temperature can trigger episodes. The ultimate goal is to use this deeper understanding to design and test new treatments.

Who could benefit from this research

Good fit: This research is relevant for individuals living with periodic paralysis, myotonia, or other muscle conditions caused by problems with ion channels.

Not a fit: Patients whose muscle conditions are not related to ion channel defects or the specific mechanisms explored in this project may not directly benefit from these findings.

Why it matters

Potential benefit: If successful, this work could lead to the development of new therapies that reduce or prevent the debilitating episodes of weakness and stiffness for patients with myotonia and periodic paralysis.

How similar studies have performed: Previous work has successfully established clear links between specific genetic mutations in ion channels and the clinical symptoms observed in these muscle disorders.

Where this research is happening

Los Angeles, 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.