Synonyms: Booth-Haworth-Dilling syndrome | Mitochondrial encephalomyopathy-aminoacidopathy syndrome | mtDNA depletion syndrome, encephalomyopathic form with methylmalonic aciduria
A rare mitochondrial DNA depletion syndrome characterized by neonatal or infantile onset of global developmental delay hypotonia failure to thrive progressive neurologic decline sensorineural deafness and movement disorder. Seizures external ophthalmoplegia polyneuropathy cardiomyopathy and renal tubular dysfunction have also been reported. Brain imaging may show T2-weighted hyperintensities in the basal ganglia and laboratory examination may reveal lactic acidosis and mild methylmalonic aciduria.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version October 2024
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Mitochondrial DNA depletion syndrome, encephalomyopathic form with methylmalonic aciduria?
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Advocacy Organizations
COMBINEDBrain Inc
COMBINEDBrain is a consortium for outcome measures and biomarkers for neurodevelopmental disorders. We are collaborating to cure rare, non-verbal brain disorders.
Cure Mito Foundation
Our mission is to empower families to come together with a common goal of finding treatments, and ultimately a cure, for this devastating disease.
CureARS
Our Mission is to spread awareness, connect and provide support to affected families and fund research for the ultra-rare Mitochondrial Aminoacyl t-RNA Synthetase (mtARS) genes in order to pave the way to suitable treatment options and ultimately a cure.
Louisiana Metabolic Disorders Coalition
We support, educate, and advocate for patients & families affected by metabolic disorders.
Mississippi Metabolics Foundation
Our mission at Mississippi Metabolics Foundation (MMF) is to advocate, educate, and support families in MS affected by genetic metabolic disorders/inborn errors of metabolism (IEM's). MMF promotes initiatives and further advancements in legislation, education, research, clinical trials, studies, therapies, targeted treatments, and eventual cures for IEM’s and all rare diseases.
MitoAction
MitoAction’s mission is to improve the quality of life for children, adults, and families living with mitochondrial disease through support, education, outreach, advocacy, clinical research initiatives and by granting wishes for children affected by mitochondrial disease.
Moonshots for Unicorns
Curing single-gene disorders
Syndromes Without A Name (SWAN) Australia
Provide information, support and advocacy to families caring for a child with an undiagnosed or rare genetic condition.
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Clinical Trials
For a list of clinical trials in this disease area, please click here.