Synonyms: EPM3 | PME type 3 | Progressive myoclonic epilepsy due to KCTD7 deficiency | Progressive myoclonus epilepsy type 3
A rare genetic neuronal ceroid lipofuscinosis disorder characterized by infantile- to early childhood-onset of progressive myoclonic seizures (occasionally accompanied by generalized tonic-clonic seizures) and severe progressive neurological regression leading to psychomotor and cognitive decline cerebellar ataxia dementia and frequently early death. Vision loss may be associated. EEG typically reveals epileptiform activity with predominance in the posterior region and photosensitivity.
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 September 2026
Newly diagnosed with
Progressive myoclonic epilepsy type 3?
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Advocacy Organizations
Access to Life NGO
Access to Life is Ukraine’s first patient advocacy organization for rare genetic epilepsies, anchored in Dravet syndrome and SCN1A-related conditions. We support 600+ families nationwide, advocate for a national clinical protocol and drug access, and are building Ukraine’s National Patient Resource Centre and Patient Registry for genetic epilepsies.
Canadian Society for Mucopolysaccharide & Related Diseases Inc.
The Canadian MPS Society is a charitable organization dedicated to supporting individuals and families affected by mucopolysaccharidoses (MPS) and related lysosomal storage disorders. We are helping families live their best lives.
Childhood Dementia Initiative
Our vision is for sustainable global health solutions for childhood dementia. This will be achieved through the following outcomes: - Treatments and cures available for children with dementia - Access to equitable and quality care for children with dementia and their families - Childhood dementia is a global health policy priority.
Genetic Epilepsy Team Australia
Collaboration of research and care
Genetic Support Network of Victoria
The Genetic Support Network of Victoria is an organisation that supports people living with genetic, undiagnosed and rare conditions and those who support them including community and families, patient support organisations, health professionals and industry. Our vision is our community flourishing and living their best lives.
KIF1A.ORG
KIF1A.ORG is a global community dedicated to improving the lives of those affected by KIF1A Associated Neurological Disorder (KAND) and accelerating research to find a cure.
Legacy Bridges Foundation, Inc
The Legacy Bridges Foundation, Inc. is a 501(c)3 non-profit organization founded to bridge the gap to support, educate and advocate for individuals, families and caregivers of those living with epilepsy and other seizure related disorders. The Legacy Bridges Foundation, Inc. is dedicated to helping champions live a sustainable life through participation of essential supportive programs and service
Louisiana Metabolic Disorders Coalition
We support, educate, and advocate for patients & families affected by metabolic disorders.
Lysosomal Storage Disorders Society – Pakistan
LSD Society Pakistan is a registered Non-Profit organization set up by a group of parents dedicated and committed to improve the lives of Lysosomal Storage Disease patients in Pakistan by advocating for patients’ rights and creating awareness in general public. The objective of LSD Society is to advocate with the government and other stakeholders to establish a sustainable healthcare system
Lysosomal Storage Disorders Support Society
LSDSS endeavors to transform the life of children affected by rare Lysosomal Storage Disorders. Our mission is to increase awareness about the prevention of such disorders in future offspring as well as counsel the affected patients and families on how to cope with existing conditions, ensuring no patient or family living with an LSD ever feels alone.
Mickie?s Miracles
To help families get into Level IV Pediatric Epilepsy Centers for diagnosis and treatment urgently -- and provide support to families for every season of the pediatric epilepsy journey.
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.
Pediatric Epilepsy Research Consortium
The Pediatric Epilepsy Research Consortium (PERC) is a group of US pediatric epilepsy centers, researchers and professionals in field of epilepsy whose goal is to provide a network and infrastructure to facilitate collegial, collaborative practice-changing research that will provide answers needed to improve the care of children with epilepsy.
Rare Epilepsy Network (REN)
REN connects and empowers the rare epilepsy community to collaborate across research, care, education, and advocacy to improve outcomes for patients and families.
ReNU2 Foundation
ReNU2 Foundation supports families affected by RNU2-2-related neurodevelopmental disease. We foster collaboration, raise awareness, and advance research—pursuing a world where every family has testing, informed care, community, and treatment.
Uganda Alliance of Patients Organization
Supporting patients to access quality, safe and patient-centered healthcare services.
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Clinical Trials
For a list of clinical trials in this disease area, please click here.