The Rare Diseases Network is looking for participants in a new study looking for unknown causes of the most common types of CMT.
Update, October 2026: This study (Inherited Neuropathy Consortium study 6602, “Genetics of CMT – Modifiers of CMT1A, New Causes of CMT”) is still listed as recruiting on the consortium’s study page and on ClinicalTrials.gov (NCT01193088), which was last updated in October 2025. Check with a participating site before you rely on it.
If you have CMT1A confirmed with genetic testing that shows the usual cause — duplication of the PMP22 gene — the study wants to understand why the symptoms can vary so much by recruiting 1,000 people to look at other possible, constellated genetic causes.
If you have been diagnosed with CMT2 via nerve conduction studies but have had no genetic cause confirmed and you have a close relative who is willing to participate, the study hopes to find new genetic causes.
Learn more by contacting the researchers at the Inherited Neuropathy Consortium site.
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