North American Mitochondrial Disease Consortium Patient Registry and Biorepository (NAMDC)

Who May Qualify: - Patients diagnosed with or suspected to have a mitochondrial disorder - Adult carriers of known mitochondrial DNA mutations - Patients with laboratory analysis indicative of a mitochondrial disorder. - Medical information and tissue samples are also accepted from deceased individuals who fulfill the above criteria. Who Should NOT Join This Trial: - Patients not suspected of having a mitochondrial disorder - Patients not suspected of carrying a mitochondrial DNA or nuclear DNA mutation that affects mitochondrial function. Always talk to your doctor about whether this trial is right for you.