Coalition to Cure Calpain 3

C3 has a pinpoint focus to drive research toward a treatment or cure for calpainopathy (LGMD2A/R1 and LGMDD4)

For Patients For Researchers For Supporters

Understanding Calpainopathy

Learn more about LGMD2A/R1 and LGMDD4, how these types of limb-girdle muscular dystrophy are diagnosed and inherited, and how you can take part in advancing research

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Advancing the Science

Explore the projects we fund, our grant program, and the toolbox we’re building to speed research and clinical trials in LGMD2A/R1 and LGMDD4

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Fueling Treatments

Your support helps us make a big impact, even with small investments. Discover how you can get involved and help fuel treatments and a cure for calpainopathy (LGMD2A/R1 and LGMDD4).

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Your support helps us fund the most promising scientific research to find treatments and a cure for this rare, muscle-wasting disease

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Djunda Ratenan-Peltier Awarded C3 Travel Grant

C3 is pleased to announce that Djunda Ratenan-Peltier was awarded a Travel Grant for the presentation of her research at the international conference New Directions in Biology and Disease of Skeletal Muscle, which took place from June 7 to 10, 2026 in Fort Lauderdale, Florida. Ms. Ratenan-Peltier is a PhD student in Life Sciences at…

Coalition to Cure Calpain 3

For Patients

Understanding Calpainopathy

Understanding Calpainopathy

For Researchers

Advancing the Science

Advancing the Science

For Supporters

Fueling Treatments

Fueling Treatments

Donate Now

Join the Patient Registry

Djunda Ratenan-Peltier Awarded C3 Travel Grant

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Discover Our Research