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<meta name="keywords" content="C4479236, dee52, developmental and epileptic encephalopathy 52, developmental and epileptic encephalopathy, 52, disease or syndrome, eiee52, epileptic encephalopathy, early infantile, 52, scn1b, autosomal dominant, autosomal recessive, birth defects, chromosomal disease, chromosome, clinical features, clinical findings, clinical genetics, clinical recommendations, clinvar, congenital chromosomal disease, consumer genetic resources, cytogenetic location, disease characteristics, disease definitions, disease descriptions, disease ontology, disease synonyms, disease vocabulary, dysmorphology, entrez, familial disease, gene, gene-disease relationship, genereviews, genetic disease, genetic disorder, genetic terminology, genetic testing registry, genetics home reference, genomic disease, gtr, hereditary disease, heritable disease, hpo, human phenotype ontology, inherited disease, management guidelines, maternal inheritance, medgen, medical genetics, medical subject headings, mesh, mitochondrial inheritance, mode of inheritance, national center for biotechnology information, national institutes of health, national library of medicine, ncbi, nih, nlm, omim, ordo, orphanet, paternal inheritance, phenome, position statements, professional practice guidelines, rare disease, reference sequence, refseq, snomed ct, syndrome, undiagnosed diseases, x-linked recessive" /><meta name="description" content="Developmental and epileptic encephalopathy-52 (DEE52) is a severe autosomal recessive seizure disorder characterized by infantile onset of refractory seizures with resultant delayed global neurologic development. Affected individuals have impaired intellectual development and may have other persistent neurologic abnormalities, including axial hypotonia and spasticity; death in childhood may occur (summary by Patino et al., 2009 and Ramadan et al., 2017). Some patients with DEE52 may have a clinical diagnosis of Dravet syndrome (607208), which is characterized by the onset of seizures in the first year or 2 of life after normal early development. Developmental delay, impaired intellectual development, and behavioral abnormalities usually become apparent later between 1 and 4 years of age. Dravet syndrome may also include 'severe myoclonic epilepsy in infancy' (SMEI) (summary by Patino et al., 2009).&#13; For a discussion of genetic heterogeneity of DEE, see 308350." /><meta name="robots" content="index,nofollow,noarchive" />
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<!--
UID=1376462
ConceptID=C4479236
-->
<!--imgCountBooks = 0--><h1 class="medgenTitle"><div class="MedGenTitleText">Developmental and epileptic encephalopathy, 52<span class="h1sub">(DEE52)</span></div></h1><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1376462</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information."><span class="highlight" style="background-color:">C4479236</span></a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div><table class="medgenTable"><tbody><tr><td>Synonyms:</td>
<td>DEE52; Epileptic encephalopathy, early infantile, 52</td></tr>
<tr><td colspan="2" class="small"> </td></tr><tr><td><a class="help jig-ncbi-popper" data-jig="ncbipopper" href="#target-gene-loc">Gene (location):<img class="pulldown" src="//static.pubmed.gov/portal/portal3rc.fcgi/4223267/img/4204968" /></a><div class="display-none" id="target-gene-loc">
Gene(s) directly associated with<br />
this condition or phenotype.</div></td>
<td><a target="_blank" title="SCN1B - ID: 6324 - NCBI Gene" href="/gene/6324" class="medgenPMinfo">SCN1B</a> (19q13.11)</td></tr>
<tr><td colspan="2" class="small"> </td></tr><tr><td>Monarch Initiative:</td>
<td><a href="https://monarchinitiative.org/disease/MONDO:0033361" target="_blank">MONDO:0033361</a></td></tr>
<tr><td>OMIM<span class="superscript">®</span>:</td>
<td><a href="https://omim.org/entry/617350" target="_blank">617350</a></td></tr>
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<div class="portlet mgSection" id="ID_100">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Definition">Definition</h1><a sid="100" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln">Developmental and epileptic encephalopathy-52 (DEE52) is a severe autosomal recessive seizure disorder characterized by infantile onset of refractory seizures with resultant delayed global neurologic development. Affected individuals have impaired intellectual development and may have other persistent neurologic abnormalities, including axial hypotonia and spasticity; death in childhood may occur (summary by Patino et al., 2009 and Ramadan et al., 2017). Some patients with DEE52 may have a clinical diagnosis of Dravet syndrome (607208), which is characterized by the onset of seizures in the first year or 2 of life after normal early development. Developmental delay, impaired intellectual development, and behavioral abnormalities usually become apparent later between 1 and 4 years of age. Dravet syndrome may also include 'severe myoclonic epilepsy in infancy' (SMEI) (summary by Patino et al., 2009).&#13; For a discussion of genetic heterogeneity of DEE, see 308350. [from <a title="Online Mendelian Inheritance in Man" href="http://www.omim.org" class="defSource" target="_blank">OMIM</a>]</div>
</div>
<div class="portlet mgSection" id="ID_102">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Clinical_features">Clinical features</h1><a sid="102" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln clinfeat"><strong>From HPO</strong><br />
<div class="divPopper rprt" id="clin_3232"><div><strong>Febrile seizure (within the age range of 3 months to 6 years)</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>3232</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0009952</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A febrile seizure is any type of seizure (most often a generalized tonic-clonic seizure) occurring with fever (at least 38 degrees Celsius) but in the absence of central nervous system infection, severe metabolic disturbance or other alternative precipitant in children between the ages of 3 months and 6 years.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/3232">Feature record</a> | <a href="/medgen?term=%22Febrile%20seizure%20(within%20the%20age%20range%20of%203%20months%20to%206%20years)%22%5BClinical%20Features%5D%20OR%203232%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_7753"><div><strong>Spasticity</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>7753</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0026838</a></dd><dt><span class="dotprefix"></span></dt><dd>Sign or Symptom</dd></dl></div></div></div>
<div class="spaceAbove">A motor disorder characterized by a velocity-dependent increase in tonic stretch reflexes with increased muscle tone, exaggerated (hyperexcitable) tendon reflexes.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/7753">Feature record</a> | <a href="/medgen?term=%22Spasticity%22%5BClinical%20Features%5D%20OR%207753%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_20693"><div><strong>Seizure</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>20693</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0036572</a></dd><dt><span class="dotprefix"></span></dt><dd>Sign or Symptom</dd></dl></div></div></div>
<div class="spaceAbove">A seizure is an intermittent abnormality of nervous system physiology characterized by a transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/20693">Feature record</a> | <a href="/medgen?term=%22Seizure%22%5BClinical%20Features%5D%20OR%2020693%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_68582"><div><strong>Abnormal pyramidal sign</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>68582</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0234132</a></dd><dt><span class="dotprefix"></span></dt><dd>Sign or Symptom</dd></dl></div></div></div>
<div class="spaceAbove">Functional neurological abnormalities related to dysfunction of the pyramidal tract.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/68582">Feature record</a> | <a href="/medgen?term=%22Abnormal%20pyramidal%20sign%22%5BClinical%20Features%5D%20OR%2068582%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_141670"><div><strong>Bilateral tonic-clonic seizure</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>141670</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0494475</a></dd><dt><span class="dotprefix"></span></dt><dd>Sign or Symptom</dd></dl></div></div></div>
<div class="spaceAbove">A bilateral tonic-clonic seizure is a seizure defined by a tonic (bilateral increased tone, lasting seconds to minutes) and then a clonic (bilateral sustained rhythmic jerking) phase.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/141670">Feature record</a> | <a href="/medgen?term=%22Bilateral%20tonic-clonic%20seizure%22%5BClinical%20Features%5D%20OR%20141670%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_452596"><div><strong>Epileptic encephalopathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>452596</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0543888</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A condition in which epileptiform abnormalities are believed to contribute to the progressive disturbance in cerebral function. Epileptic encephalaopathy is characterized by (1) electrographic EEG paroxysmal activity that is often aggressive, (2) seizures that are usually multiform and intractable, (3) cognitive, behavioral and neurological deficits that may be relentless, and (4) sometimes early death.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/452596">Feature record</a> | <a href="/medgen?term=%22Epileptic%20encephalopathy%22%5BClinical%20Features%5D%20OR%20452596%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_107838"><div><strong>Global developmental delay</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>107838</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0557874</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A delay in the achievement of motor or mental milestones in the domains of development of a child, including motor skills, speech and language, cognitive skills, and social and emotional skills. This term should only be used to describe children younger than five years of age.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/107838">Feature record</a> | <a href="/medgen?term=%22Global%20developmental%20delay%22%5BClinical%20Features%5D%20OR%20107838%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_108888"><div><strong>Atypical absence seizure</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>108888</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0595948</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">An atypical absence seizure is a type of generalized non-motor (absence) seizure characterized by interruption of ongoing activities and reduced responsiveness. In comparison to a typical absence seizure, changes in tone may be more pronounced, onset and/or cessation may be less abrupt, and the duration of the ictus and post-ictal recovery may be longer. Although not always available, an EEG often demonstrates slow (&lt;3 Hz), irregular, generalized spike-wave activity.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/108888">Feature record</a> | <a href="/medgen?term=%22Atypical%20absence%20seizure%22%5BClinical%20Features%5D%20OR%20108888%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_196692"><div><strong>Limb ataxia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>196692</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0750937</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A kind of ataxia that affects movements of the extremities.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/196692">Feature record</a> | <a href="/medgen?term=%22Limb%20ataxia%22%5BClinical%20Features%5D%20OR%20196692%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_335477"><div><strong>Focal hemiclonic seizure</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>335477</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1846620</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A type of focal clonic seizure characterized by sustained rhythmic jerking rapidly involves one side of the body at seizure onset.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/335477">Feature record</a> | <a href="/medgen?term=%22Focal%20hemiclonic%20seizure%22%5BClinical%20Features%5D%20OR%20335477%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_341348"><div><strong>Developmental stagnation</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>341348</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1848980</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A cessation of the development of a child in the areas of motor skills, speech and language, cognitive skills, and social and/or emotional skills.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/341348">Feature record</a> | <a href="/medgen?term=%22Developmental%20stagnation%22%5BClinical%20Features%5D%20OR%20341348%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_892704"><div><strong>Generalized myoclonic seizure</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>892704</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C4021759</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A generalized myoclonic seizure is a type of generalized motor seizure characterized by bilateral, sudden, brief (&lt;100 ms) involuntary single or multiple contraction of muscles or muscle groups of variable topography (axial, proximal limb, distal). Myoclonus is less regularly repetitive and less sustained than is clonus.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/892704">Feature record</a> | <a href="/medgen?term=%22Generalized%20myoclonic%20seizure%22%5BClinical%20Features%5D%20OR%20892704%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_346841"><div><strong>Generalized hypotonia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>346841</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1858120</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Generalized muscular hypotonia (abnormally low muscle tone).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/346841">Feature record</a> | <a href="/medgen?term=%22Generalized%20hypotonia%22%5BClinical%20Features%5D%20OR%20346841%5Buid%5D">Search on this feature</a></div></div><div class="TreeLite" data-jigconfig="closed: 1"><div class="concept-def"><a class="small" href="#" onclick="jQuery(&quot;.TreeLite&quot;,&quot;#ID_102&quot;).TreeLite().openAll(); return false;">Show all</a><a class="small" href="#" onclick="jQuery(&quot;.TreeLite&quot;,&quot;#ID_102&quot;).TreeLite().closeAll(); return false;">Hide all</a></div><ul><li><span class="TLline">Abnormality of the musculoskeletal system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_346841" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Generalized hypotonia</a></span></li></ul></li><li><span class="TLline">Abnormality of the nervous system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_68582" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Abnormal pyramidal sign</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_108888" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Atypical absence seizure</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_141670" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Bilateral tonic-clonic seizure</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_341348" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental stagnation</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_452596" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Epileptic encephalopathy</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_3232" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Febrile seizure (within the age range of 3 months to 6 years)</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_335477" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Focal hemiclonic seizure</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_892704" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Generalized myoclonic seizure</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_107838" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Global developmental delay</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_196692" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Limb ataxia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_20693" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Seizure</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_7753" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spasticity</a></span></li></ul></li></ul></div></div>
</div>
<div class="portlet mgSection" id="ID_105">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Professional_guidelines">Professional guidelines</h1><a sid="105" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><h3 class="subhead">PubMed<a class="help jig-ncbi-popper" data-jig="ncbipopper" href="#guidelinesHelpPM"><img class="pulldown" src="//static.pubmed.gov/portal/portal3rc.fcgi/4223267/img/4204968" /></a></h3>
<div class="nl"><a target="_blank" href="/pubmed/37225406">Genotype-phenotype correlation and treatment effects in young patients with GNAO1-associated disorders.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Thiel M,
Bamborschke D,
Janzarik WG,
Assmann B,
Zittel S,
Patzer S,
Auhuber A,
Opp J,
Matzker E,
Bevot A,
Seeger J,
van Baalen A,
Stüve B,
Brockmann K,
Cirak S,
Koy A</span><br />
<span class="medgenPMjournal">J Neurol Neurosurg Psychiatry</span>
2023 Oct;94(10):806-815.
Epub 2023 May 24
doi: 10.1136/jnnp-2022-330261.
<span class="bold">PMID: </span><a href="/pubmed/37225406" target="_blank">37225406</a></div>
<div class="nl"><a target="_blank" href="/pubmed/31152643">Different Clinical Expression of Anxiety Disorders in Children and Adolescents: Assessment and Treatment.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Pop-Jordanova N</span><br />
<span class="medgenPMjournal">Pril (Makedon Akad Nauk Umet Odd Med Nauki)</span>
2019 May 1;40(1):5-40.
doi: 10.2478/prilozi-2019-0001.
<span class="bold">PMID: </span><a href="/pubmed/31152643" target="_blank">31152643</a></div>
<div class="nl"><a target="_blank" href="/pubmed/29320603">Drug management for acute tonic-clonic convulsions including convulsive status epilepticus in children.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">McTague A,
Martland T,
Appleton R</span><br />
<span class="medgenPMjournal">Cochrane Database Syst Rev</span>
2018 Jan 10;1(1):CD001905.
doi: 10.1002/14651858.CD001905.pub3.
<span class="bold">PMID: </span><a href="/pubmed/29320603" target="_blank">29320603</a><a href="/pmc/articles/PMC6491279" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(developmental%20and%20epileptic%20encephalopathy%2C%2052)%20AND%20(%22english%20and%20humans%22%5BFilter%5D)%20AND%20(%20(%22practice%20guideline%22%5BFilter%5D)%20OR%20(practice*%5Btitl%5D%20AND%20(guideline%5Btitl%5D%20OR%20parameter%5Btitl%5D%20OR%20resource%5Btitl%5D%20OR%20bulletin%5Btitl%5D%20OR%20best%5Btitl%5D))%20OR%20(genetic*%5Btitl%5D%20AND%20(evaluation%5Btitl%5D%20OR%20counseling%5Btitl%5D%20OR%20screening%5Btitl%5D%20OR%20test*%5Btitl%5D))%20OR%20(clinical%5Btitl%5D%20AND%20((expert%5Btitl%5D%20AND%20consensus%5Btitl%5D)%20OR%20utility%5Btitl%5D%20OR%20guideline*%5Btitl%5D))%20OR%20(management%5Btitl%5D%20AND%20(clinical%5Btitl%5D%20OR%20diagnos*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20pain%5Btitl%5D%20OR%20surveillance%5Btitl%5D%20OR%20emergency%5Btitl%5D%20OR%20guideline*%5Btitl%5D%20OR%20therap*))%20OR%20(treatment%5Btitl%5D%20AND%20((evaluation%5Btitl%5D%20AND%20diagnosis%5Btitl%5D)%20OR%20(assessment%5Btitl%5D%20AND%20prevention%5Btitl%5D)%20OR%20therap*))%20OR%20(Diagnos*%5Btitl%5D%20AND%20(prenatal%5Btitl%5D%20OR%20treatment%5Btitl%5D%20OR%20follow-up%5Btitl%5D%20OR%20statement%5Btitl%5D%20OR%20criteria%5Btitl%5D%20OR%20newborn%5Btitl%5D%20OR%20differential%5Btitl%5D%20OR%20neonatal%5Btitl%5D%20OR%20neonate%5Btitl%5D))%20OR%20(guideline*%5Btitl%5D%20AND%20(pharmacogenetic*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20evidence-based%5Btitl%5D%20OR%20consensus%5Btitl%5D%20OR%20(technical%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20(molecular%5Btitl%5D%20AND%20testing%5Btitl%5D)))%20OR%20(risk%5Btitl%5D%20AND%20assessment%5Btitl%5D)%20OR%20(recommendation*%5Btitl%5D%20AND%20(statement%5Btitl%5D%20OR%20Evidence-based%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(care%20AND%20((Patient%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20primary%5Btitl%5D%20OR%20psychosocial%5Btitl%5D))%20OR%20(Health%5Btitl%5D%20AND%20supervision%5Btitl%5D)%20OR%20(statement%5Btitl%5D%20AND%20(policy%5Btitl%5D%20OR%20position%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(pharmacogenetics%5Btitl%5D%20AND%20(Dosing%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20genotype*%5Btitl%5D%20OR%20drug*%5Btitl%5D))%20OR%20(Chemotherapy%5Btitl%5D%20AND%20decision*%5Btitl%5D)%20OR%20(screening%5Btitl%5D%20AND%20(newborn%5Btitl%5D%20OR%20neonat*%5Btitl%5D%20OR%20detection%5Btitl%5D%20OR%20diagnos*%5Btitl%5D))%20OR%20(criteria%5Btitl%5D%20OR%20genotype*%5Btitl%5D)%20)%20NOT%20(%22Case%20reports%22%5BPublication%20type%5D%20OR%20%22clinical%20study%22%5BPublication%20Type%5D%20OR%20%22randomized%20controlled%20trial%22%5BPublication%20Type%5D)" title="PubMed search">See all (26)</a></div></div>
</div>
<div class="display-none help-popup" id="guidelinesHelpPM">These guidelines are articles in PubMed that match specific search criteria developed by MedGen to capture the most relevant practice guidelines. This list may not be comprehensive and may include broader topics as well. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div><div class="display-none help-popup" id="guidelinesHelpCurated">These guidelines are manually curated by the MedGen team
to supplement articles available in PubMed. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div>
<div class="portlet mgSection" id="ID_103">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Recent_clinical_studies">Recent clinical studies</h1><a sid="103" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><h3 class="subhead">Etiology</h3>
<div class="nl"><a target="_blank" href="/pubmed/38380699">L-serine treatment in patients with GRIN-related encephalopathy: a phase 2A, non-randomized study.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Juliá-Palacios N,
Olivella M,
Sigatullina Bondarenko M,
Ibáñez-Micó S,
Muñoz-Cabello B,
Alonso-Luengo O,
Soto-Insuga V,
García-Navas D,
Cuesta-Herraiz L,
Andreo-Lillo P,
Aguilera-Albesa S,
Hedrera-Fernández A,
González Alguacil E,
Sánchez-Carpintero R,
Martín Del Valle F,
Jiménez González E,
Cean Cabrera L,
Medina-Rivera I,
Perez-Ordoñez M,
Colomé R,
Lopez L,
Engracia Cazorla M,
Fornaguera M,
Ormazabal A,
Alonso-Colmenero I,
Illescas KS,
Balsells-Mejía S,
Mari-Vico R,
Duffo Viñas M,
Cappuccio G,
Terrone G,
Romano R,
Manti F,
Mastrangelo M,
Alfonsi C,
de Siqueira Barros B,
Nizon M,
Gjerulfsen CE,
Muro VL,
Karall D,
Zeiner F,
Masnada S,
Peterlongo I,
Oyarzábal A,
Santos-Gómez A,
Altafaj X,
García-Cazorla Á</span><br />
<span class="medgenPMjournal">Brain</span>
2024 May 3;147(5):1653-1666.
doi: 10.1093/brain/awae041.
<span class="bold">PMID: </span><a href="/pubmed/38380699" target="_blank">38380699</a></div>
<div class="nl"><a target="_blank" href="/pubmed/37820708">Early-Life Epilepsies.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Akiyama LF,
Saneto RP</span><br />
<span class="medgenPMjournal">Pediatr Ann</span>
2023 Oct;52(10):e381-e387.
Epub 2023 Oct 1
doi: 10.3928/19382359-20230829-01.
<span class="bold">PMID: </span><a href="/pubmed/37820708" target="_blank">37820708</a></div>
<div class="nl"><a target="_blank" href="/pubmed/36331550">Expanding SPTAN1 monoallelic variant associated disorders: From epileptic encephalopathy to pure spastic paraplegia and ataxia.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Morsy H,
Benkirane M,
Cali E,
Rocca C,
Zhelcheska K,
Cipriani V,
Galanaki E,
Maroofian R,
Efthymiou S,
Murphy D,
O'Driscoll M,
Suri M,
Banka S,
Clayton-Smith J,
Wright T,
Redman M,
Bassetti JA,
Nizon M,
Cogne B,
Jamra RA,
Bartolomaeus T,
Heruth M,
Krey I,
Gburek-Augustat J,
Wieczorek D,
Gattermann F,
Mcentagart M,
Goldenberg A,
Guyant-Marechal L,
Garcia-Moreno H,
Giunti P,
Chabrol B,
Bacrot S,
Buissonnière R,
Magry V,
Gowda VK,
Srinivasan VM,
Melegh B,
Szabó A,
Sümegi K,
Cossée M,
Ziff M,
Butterfield R,
Hunt D,
Bird-Lieberman G,
Hanna M,
Koenig M,
Stankewich M,
Vandrovcova J,
Houlden H;
Genomics England Research Consortium</span><br />
<span class="medgenPMjournal">Genet Med</span>
2023 Jan;25(1):76-89.
Epub 2022 Nov 4
doi: 10.1016/j.gim.2022.09.013.
<span class="bold">PMID: </span><a href="/pubmed/36331550" target="_blank">36331550</a><a href="/pmc/articles/PMC10620943" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/29069555">Histopathological Findings in Brain Tissue Obtained during Epilepsy Surgery.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Blumcke I,
Spreafico R,
Haaker G,
Coras R,
Kobow K,
Bien CG,
Pfäfflin M,
Elger C,
Widman G,
Schramm J,
Becker A,
Braun KP,
Leijten F,
Baayen JC,
Aronica E,
Chassoux F,
Hamer H,
Stefan H,
Rössler K,
Thom M,
Walker MC,
Sisodiya SM,
Duncan JS,
McEvoy AW,
Pieper T,
Holthausen H,
Kudernatsch M,
Meencke HJ,
Kahane P,
Schulze-Bonhage A,
Zentner J,
Heiland DH,
Urbach H,
Steinhoff BJ,
Bast T,
Tassi L,
Lo Russo G,
Özkara C,
Oz B,
Krsek P,
Vogelgesang S,
Runge U,
Lerche H,
Weber Y,
Honavar M,
Pimentel J,
Arzimanoglou A,
Ulate-Campos A,
Noachtar S,
Hartl E,
Schijns O,
Guerrini R,
Barba C,
Jacques TS,
Cross JH,
Feucht M,
Mühlebner A,
Grunwald T,
Trinka E,
Winkler PA,
Gil-Nagel A,
Toledano Delgado R,
Mayer T,
Lutz M,
Zountsas B,
Garganis K,
Rosenow F,
Hermsen A,
von Oertzen TJ,
Diepgen TL,
Avanzini G;
EEBB Consortium</span><br />
<span class="medgenPMjournal">N Engl J Med</span>
2017 Oct 26;377(17):1648-1656.
doi: 10.1056/NEJMoa1703784.
<span class="bold">PMID: </span><a href="/pubmed/29069555" target="_blank">29069555</a></div>
<div class="nl"><a target="_blank" href="/pubmed/21449936">The etiologic classification of epilepsy.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Shorvon SD</span><br />
<span class="medgenPMjournal">Epilepsia</span>
2011 Jun;52(6):1052-7.
Epub 2011 Mar 30
doi: 10.1111/j.1528-1167.2011.03041.x.
<span class="bold">PMID: </span><a href="/pubmed/21449936" target="_blank">21449936</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Developmental%20and%20epileptic%20encephalopathy%2C%2052%22%20AND%20Etiology%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (216)</a></div><h3 class="subhead">Diagnosis</h3>
<div class="nl"><a target="_blank" href="/pubmed/38081201">Corticosteroids versus clobazam for treatment of children with epileptic encephalopathy with spike-wave activation in sleep (RESCUE ESES): a multicentre randomised controlled trial.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">van Arnhem MML,
van den Munckhof B,
Arzimanoglou A,
Perucca E,
Metsähonkala L,
Rubboli G,
Søndergaard Khinchi M,
de Saint-Martin A,
Klotz KA,
Jacobs J,
Cross JH,
Garcia Morales I,
Otte WM,
van Teeseling HC,
Leijten FSS,
Braun KPJ,
Jansen FE;
RESCUE ESES study group</span><br />
<span class="medgenPMjournal">Lancet Neurol</span>
2024 Feb;23(2):147-156.
Epub 2023 Dec 8
doi: 10.1016/S1474-4422(23)00409-X.
<span class="bold">PMID: </span><a href="/pubmed/38081201" target="_blank">38081201</a></div>
<div class="nl"><a target="_blank" href="/pubmed/37921875">Clinical and functional consequences of GRIA variants in patients with neurological diseases.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">XiangWei W,
Perszyk RE,
Liu N,
Xu Y,
Bhattacharya S,
Shaulsky GH,
Smith-Hicks C,
Fatemi A,
Fry AE,
Chandler K,
Wang T,
Vogt J,
Cohen JS,
Paciorkowski AR,
Poduri A,
Zhang Y,
Wang S,
Wang Y,
Zhai Q,
Fang F,
Leng J,
Garber K,
Myers SJ,
Jauss RT,
Park KL,
Benke TA,
Lemke JR,
Yuan H,
Jiang Y,
Traynelis SF</span><br />
<span class="medgenPMjournal">Cell Mol Life Sci</span>
2023 Nov 3;80(11):345.
doi: 10.1007/s00018-023-04991-6.
<span class="bold">PMID: </span><a href="/pubmed/37921875" target="_blank">37921875</a><a href="/pmc/articles/PMC10754216" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/31152643">Different Clinical Expression of Anxiety Disorders in Children and Adolescents: Assessment and Treatment.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Pop-Jordanova N</span><br />
<span class="medgenPMjournal">Pril (Makedon Akad Nauk Umet Odd Med Nauki)</span>
2019 May 1;40(1):5-40.
doi: 10.2478/prilozi-2019-0001.
<span class="bold">PMID: </span><a href="/pubmed/31152643" target="_blank">31152643</a></div>
<div class="nl"><a target="_blank" href="/pubmed/29069555">Histopathological Findings in Brain Tissue Obtained during Epilepsy Surgery.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Blumcke I,
Spreafico R,
Haaker G,
Coras R,
Kobow K,
Bien CG,
Pfäfflin M,
Elger C,
Widman G,
Schramm J,
Becker A,
Braun KP,
Leijten F,
Baayen JC,
Aronica E,
Chassoux F,
Hamer H,
Stefan H,
Rössler K,
Thom M,
Walker MC,
Sisodiya SM,
Duncan JS,
McEvoy AW,
Pieper T,
Holthausen H,
Kudernatsch M,
Meencke HJ,
Kahane P,
Schulze-Bonhage A,
Zentner J,
Heiland DH,
Urbach H,
Steinhoff BJ,
Bast T,
Tassi L,
Lo Russo G,
Özkara C,
Oz B,
Krsek P,
Vogelgesang S,
Runge U,
Lerche H,
Weber Y,
Honavar M,
Pimentel J,
Arzimanoglou A,
Ulate-Campos A,
Noachtar S,
Hartl E,
Schijns O,
Guerrini R,
Barba C,
Jacques TS,
Cross JH,
Feucht M,
Mühlebner A,
Grunwald T,
Trinka E,
Winkler PA,
Gil-Nagel A,
Toledano Delgado R,
Mayer T,
Lutz M,
Zountsas B,
Garganis K,
Rosenow F,
Hermsen A,
von Oertzen TJ,
Diepgen TL,
Avanzini G;
EEBB Consortium</span><br />
<span class="medgenPMjournal">N Engl J Med</span>
2017 Oct 26;377(17):1648-1656.
doi: 10.1056/NEJMoa1703784.
<span class="bold">PMID: </span><a href="/pubmed/29069555" target="_blank">29069555</a></div>
<div class="nl"><a target="_blank" href="/pubmed/23613074">Prenatal valproate exposure and risk of autism spectrum disorders and childhood autism.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Christensen J,
Grønborg TK,
Sørensen MJ,
Schendel D,
Parner ET,
Pedersen LH,
Vestergaard M</span><br />
<span class="medgenPMjournal">JAMA</span>
2013 Apr 24;309(16):1696-703.
doi: 10.1001/jama.2013.2270.
<span class="bold">PMID: </span><a href="/pubmed/23613074" target="_blank">23613074</a><a href="/pmc/articles/PMC4511955" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Developmental%20and%20epileptic%20encephalopathy%2C%2052%22%20AND%20Diagnosis%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (131)</a></div><h3 class="subhead">Therapy</h3>
<div class="nl"><a target="_blank" href="/pubmed/38380699">L-serine treatment in patients with GRIN-related encephalopathy: a phase 2A, non-randomized study.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Juliá-Palacios N,
Olivella M,
Sigatullina Bondarenko M,
Ibáñez-Micó S,
Muñoz-Cabello B,
Alonso-Luengo O,
Soto-Insuga V,
García-Navas D,
Cuesta-Herraiz L,
Andreo-Lillo P,
Aguilera-Albesa S,
Hedrera-Fernández A,
González Alguacil E,
Sánchez-Carpintero R,
Martín Del Valle F,
Jiménez González E,
Cean Cabrera L,
Medina-Rivera I,
Perez-Ordoñez M,
Colomé R,
Lopez L,
Engracia Cazorla M,
Fornaguera M,
Ormazabal A,
Alonso-Colmenero I,
Illescas KS,
Balsells-Mejía S,
Mari-Vico R,
Duffo Viñas M,
Cappuccio G,
Terrone G,
Romano R,
Manti F,
Mastrangelo M,
Alfonsi C,
de Siqueira Barros B,
Nizon M,
Gjerulfsen CE,
Muro VL,
Karall D,
Zeiner F,
Masnada S,
Peterlongo I,
Oyarzábal A,
Santos-Gómez A,
Altafaj X,
García-Cazorla Á</span><br />
<span class="medgenPMjournal">Brain</span>
2024 May 3;147(5):1653-1666.
doi: 10.1093/brain/awae041.
<span class="bold">PMID: </span><a href="/pubmed/38380699" target="_blank">38380699</a></div>
<div class="nl"><a target="_blank" href="/pubmed/31862249">Fenfluramine hydrochloride for the treatment of seizures in Dravet syndrome: a randomised, double-blind, placebo-controlled trial.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Lagae L,
Sullivan J,
Knupp K,
Laux L,
Polster T,
Nikanorova M,
Devinsky O,
Cross JH,
Guerrini R,
Talwar D,
Miller I,
Farfel G,
Galer BS,
Gammaitoni A,
Mistry A,
Morrison G,
Lock M,
Agarwal A,
Lai WW,
Ceulemans B;
FAiRE DS Study Group</span><br />
<span class="medgenPMjournal">Lancet</span>
2019 Dec 21;394(10216):2243-2254.
Epub 2019 Dec 17
doi: 10.1016/S0140-6736(19)32500-0.
<span class="bold">PMID: </span><a href="/pubmed/31862249" target="_blank">31862249</a></div>
<div class="nl"><a target="_blank" href="/pubmed/29320603">Drug management for acute tonic-clonic convulsions including convulsive status epilepticus in children.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">McTague A,
Martland T,
Appleton R</span><br />
<span class="medgenPMjournal">Cochrane Database Syst Rev</span>
2018 Jan 10;1(1):CD001905.
doi: 10.1002/14651858.CD001905.pub3.
<span class="bold">PMID: </span><a href="/pubmed/29320603" target="_blank">29320603</a><a href="/pmc/articles/PMC6491279" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/23613074">Prenatal valproate exposure and risk of autism spectrum disorders and childhood autism.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Christensen J,
Grønborg TK,
Sørensen MJ,
Schendel D,
Parner ET,
Pedersen LH,
Vestergaard M</span><br />
<span class="medgenPMjournal">JAMA</span>
2013 Apr 24;309(16):1696-703.
doi: 10.1001/jama.2013.2270.
<span class="bold">PMID: </span><a href="/pubmed/23613074" target="_blank">23613074</a><a href="/pmc/articles/PMC4511955" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/21838793">Diuretics and epilepsy: will the past and present meet?</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Maa EH,
Kahle KT,
Walcott BP,
Spitz MC,
Staley KJ</span><br />
<span class="medgenPMjournal">Epilepsia</span>
2011 Sep;52(9):1559-69.
Epub 2011 Aug 12
doi: 10.1111/j.1528-1167.2011.03203.x.
<span class="bold">PMID: </span><a href="/pubmed/21838793" target="_blank">21838793</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Developmental%20and%20epileptic%20encephalopathy%2C%2052%22%20AND%20Therapy%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (93)</a></div><h3 class="subhead">Prognosis</h3>
<div class="nl"><a target="_blank" href="/pubmed/37921875">Clinical and functional consequences of GRIA variants in patients with neurological diseases.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">XiangWei W,
Perszyk RE,
Liu N,
Xu Y,
Bhattacharya S,
Shaulsky GH,
Smith-Hicks C,
Fatemi A,
Fry AE,
Chandler K,
Wang T,
Vogt J,
Cohen JS,
Paciorkowski AR,
Poduri A,
Zhang Y,
Wang S,
Wang Y,
Zhai Q,
Fang F,
Leng J,
Garber K,
Myers SJ,
Jauss RT,
Park KL,
Benke TA,
Lemke JR,
Yuan H,
Jiang Y,
Traynelis SF</span><br />
<span class="medgenPMjournal">Cell Mol Life Sci</span>
2023 Nov 3;80(11):345.
doi: 10.1007/s00018-023-04991-6.
<span class="bold">PMID: </span><a href="/pubmed/37921875" target="_blank">37921875</a><a href="/pmc/articles/PMC10754216" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/35468861">Large-scale discovery of novel neurodevelopmental disorder-related genes through a unified analysis of single-nucleotide and copy number variants.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Hamanaka K,
Miyake N,
Mizuguchi T,
Miyatake S,
Uchiyama Y,
Tsuchida N,
Sekiguchi F,
Mitsuhashi S,
Tsurusaki Y,
Nakashima M,
Saitsu H,
Yamada K,
Sakamoto M,
Fukuda H,
Ohori S,
Saida K,
Itai T,
Azuma Y,
Koshimizu E,
Fujita A,
Erturk B,
Hiraki Y,
Ch'ng GS,
Kato M,
Okamoto N,
Takata A,
Matsumoto N</span><br />
<span class="medgenPMjournal">Genome Med</span>
2022 Apr 26;14(1):40.
doi: 10.1186/s13073-022-01042-w.
<span class="bold">PMID: </span><a href="/pubmed/35468861" target="_blank">35468861</a><a href="/pmc/articles/PMC9040275" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/31152643">Different Clinical Expression of Anxiety Disorders in Children and Adolescents: Assessment and Treatment.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Pop-Jordanova N</span><br />
<span class="medgenPMjournal">Pril (Makedon Akad Nauk Umet Odd Med Nauki)</span>
2019 May 1;40(1):5-40.
doi: 10.2478/prilozi-2019-0001.
<span class="bold">PMID: </span><a href="/pubmed/31152643" target="_blank">31152643</a></div>
<div class="nl"><a target="_blank" href="/pubmed/23613074">Prenatal valproate exposure and risk of autism spectrum disorders and childhood autism.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Christensen J,
Grønborg TK,
Sørensen MJ,
Schendel D,
Parner ET,
Pedersen LH,
Vestergaard M</span><br />
<span class="medgenPMjournal">JAMA</span>
2013 Apr 24;309(16):1696-703.
doi: 10.1001/jama.2013.2270.
<span class="bold">PMID: </span><a href="/pubmed/23613074" target="_blank">23613074</a><a href="/pmc/articles/PMC4511955" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/21449936">The etiologic classification of epilepsy.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Shorvon SD</span><br />
<span class="medgenPMjournal">Epilepsia</span>
2011 Jun;52(6):1052-7.
Epub 2011 Mar 30
doi: 10.1111/j.1528-1167.2011.03041.x.
<span class="bold">PMID: </span><a href="/pubmed/21449936" target="_blank">21449936</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Developmental%20and%20epileptic%20encephalopathy%2C%2052%22%20AND%20Prognosis%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (110)</a></div><h3 class="subhead">Clinical prediction guides</h3>
<div class="nl"><a target="_blank" href="/pubmed/38380699">L-serine treatment in patients with GRIN-related encephalopathy: a phase 2A, non-randomized study.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Juliá-Palacios N,
Olivella M,
Sigatullina Bondarenko M,
Ibáñez-Micó S,
Muñoz-Cabello B,
Alonso-Luengo O,
Soto-Insuga V,
García-Navas D,
Cuesta-Herraiz L,
Andreo-Lillo P,
Aguilera-Albesa S,
Hedrera-Fernández A,
González Alguacil E,
Sánchez-Carpintero R,
Martín Del Valle F,
Jiménez González E,
Cean Cabrera L,
Medina-Rivera I,
Perez-Ordoñez M,
Colomé R,
Lopez L,
Engracia Cazorla M,
Fornaguera M,
Ormazabal A,
Alonso-Colmenero I,
Illescas KS,
Balsells-Mejía S,
Mari-Vico R,
Duffo Viñas M,
Cappuccio G,
Terrone G,
Romano R,
Manti F,
Mastrangelo M,
Alfonsi C,
de Siqueira Barros B,
Nizon M,
Gjerulfsen CE,
Muro VL,
Karall D,
Zeiner F,
Masnada S,
Peterlongo I,
Oyarzábal A,
Santos-Gómez A,
Altafaj X,
García-Cazorla Á</span><br />
<span class="medgenPMjournal">Brain</span>
2024 May 3;147(5):1653-1666.
doi: 10.1093/brain/awae041.
<span class="bold">PMID: </span><a href="/pubmed/38380699" target="_blank">38380699</a></div>
<div class="nl"><a target="_blank" href="/pubmed/35468861">Large-scale discovery of novel neurodevelopmental disorder-related genes through a unified analysis of single-nucleotide and copy number variants.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Hamanaka K,
Miyake N,
Mizuguchi T,
Miyatake S,
Uchiyama Y,
Tsuchida N,
Sekiguchi F,
Mitsuhashi S,
Tsurusaki Y,
Nakashima M,
Saitsu H,
Yamada K,
Sakamoto M,
Fukuda H,
Ohori S,
Saida K,
Itai T,
Azuma Y,
Koshimizu E,
Fujita A,
Erturk B,
Hiraki Y,
Ch'ng GS,
Kato M,
Okamoto N,
Takata A,
Matsumoto N</span><br />
<span class="medgenPMjournal">Genome Med</span>
2022 Apr 26;14(1):40.
doi: 10.1186/s13073-022-01042-w.
<span class="bold">PMID: </span><a href="/pubmed/35468861" target="_blank">35468861</a><a href="/pmc/articles/PMC9040275" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/31862249">Fenfluramine hydrochloride for the treatment of seizures in Dravet syndrome: a randomised, double-blind, placebo-controlled trial.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Lagae L,
Sullivan J,
Knupp K,
Laux L,
Polster T,
Nikanorova M,
Devinsky O,
Cross JH,
Guerrini R,
Talwar D,
Miller I,
Farfel G,
Galer BS,
Gammaitoni A,
Mistry A,
Morrison G,
Lock M,
Agarwal A,
Lai WW,
Ceulemans B;
FAiRE DS Study Group</span><br />
<span class="medgenPMjournal">Lancet</span>
2019 Dec 21;394(10216):2243-2254.
Epub 2019 Dec 17
doi: 10.1016/S0140-6736(19)32500-0.
<span class="bold">PMID: </span><a href="/pubmed/31862249" target="_blank">31862249</a></div>
<div class="nl"><a target="_blank" href="/pubmed/31152643">Different Clinical Expression of Anxiety Disorders in Children and Adolescents: Assessment and Treatment.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Pop-Jordanova N</span><br />
<span class="medgenPMjournal">Pril (Makedon Akad Nauk Umet Odd Med Nauki)</span>
2019 May 1;40(1):5-40.
doi: 10.2478/prilozi-2019-0001.
<span class="bold">PMID: </span><a href="/pubmed/31152643" target="_blank">31152643</a></div>
<div class="nl"><a target="_blank" href="/pubmed/29320603">Drug management for acute tonic-clonic convulsions including convulsive status epilepticus in children.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">McTague A,
Martland T,
Appleton R</span><br />
<span class="medgenPMjournal">Cochrane Database Syst Rev</span>
2018 Jan 10;1(1):CD001905.
doi: 10.1002/14651858.CD001905.pub3.
<span class="bold">PMID: </span><a href="/pubmed/29320603" target="_blank">29320603</a><a href="/pmc/articles/PMC6491279" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Developmental%20and%20epileptic%20encephalopathy%2C%2052%22%20AND%20Clinical%20prediction%20guides%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (118)</a></div></div>
</div>
<div class="portlet mgSection" id="ID_104">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Recent_systematic_reviews">Recent systematic reviews</h1><a sid="104" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln">
<div class="nl"><a target="_blank" href="/pubmed/37023554">The influence of disease course and surgery on quality of life in children with focal cortical dysplasia and long-term epilepsy-associated tumours: A systematic review and meta-analysis.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Vasilica AM,
Winsor A,
Chari A,
Scott R,
Baldeweg T,
Tisdall M</span><br />
<span class="medgenPMjournal">Epilepsy Res</span>
2023 May;192:107132.
Epub 2023 Mar 30
doi: 10.1016/j.eplepsyres.2023.107132.
<span class="bold">PMID: </span><a href="/pubmed/37023554" target="_blank">37023554</a></div>
<div class="nl"><a target="_blank" href="/pubmed/36219224">Early surgical approaches in pediatric epilepsy - a systematic review and meta-analysis.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Frank NA,
Greuter L,
Guzman R,
Soleman J</span><br />
<span class="medgenPMjournal">Childs Nerv Syst</span>
2023 Mar;39(3):677-688.
Epub 2022 Oct 11
doi: 10.1007/s00381-022-05699-x.
<span class="bold">PMID: </span><a href="/pubmed/36219224" target="_blank">36219224</a></div>
<div class="nl"><a target="_blank" href="/pubmed/33605607">A Systematic Review of Seizure-Freedom Rates in Patients With Benign Epilepsy of Childhood With Centrotemporal Spikes Receiving Antiepileptic Drugs.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Gerstl L,
Willimsky E,
Rémi C,
Noachtar S,
Borggräfe I,
Tacke M</span><br />
<span class="medgenPMjournal">Clin Neuropharmacol</span>
2021 Mar-Apr 01;44(2):39-46.
doi: 10.1097/WNF.0000000000000435.
<span class="bold">PMID: </span><a href="/pubmed/33605607" target="_blank">33605607</a></div>
<div class="nl"><a target="_blank" href="/pubmed/33461030">Efficacy and tolerability of fenfluramine in patients with Dravet syndrome: A systematic review and meta-analysis.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Sharawat IK,
Panda PK,
Kasinathan A,
Panda P,
Dawman L,
Joshi K</span><br />
<span class="medgenPMjournal">Seizure</span>
2021 Feb;85:119-126.
Epub 2021 Jan 11
doi: 10.1016/j.seizure.2020.12.016.
<span class="bold">PMID: </span><a href="/pubmed/33461030" target="_blank">33461030</a></div>
<div class="nl"><a target="_blank" href="/pubmed/29320603">Drug management for acute tonic-clonic convulsions including convulsive status epilepticus in children.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">McTague A,
Martland T,
Appleton R</span><br />
<span class="medgenPMjournal">Cochrane Database Syst Rev</span>
2018 Jan 10;1(1):CD001905.
doi: 10.1002/14651858.CD001905.pub3.
<span class="bold">PMID: </span><a href="/pubmed/29320603" target="_blank">29320603</a><a href="/pmc/articles/PMC6491279" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Developmental%20and%20epileptic%20encephalopathy%2C%2052%22%20AND%20systematic%5Bsb%5D%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (8)</a></div></div>
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<h2 class="offscreen_noflow">Supplemental Content</h2>
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<div class="portlet mgSection" id="ID_113">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Table_of_contents">Table of contents</h1><a sid="113" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><ul id="my-toc"></ul></div>
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<div class="portlet mgSection" id="ID_106">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Genetic_Testing_Registry">Genetic Testing Registry</h1><a sid="106" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><ul><li><a href="/gtr/tests?term=C4479236%5bDISCUI%5d&amp;filter=method%3A2%5F8" target="_blank">Deletion/duplication analysis (10)</a></li>
<li><a href="/gtr/tests?term=C4479236%5bDISCUI%5d&amp;filter=method%3A2%5F7" target="_blank">Sequence analysis of the entire coding region (23)</a></li>
<li><a href="/gtr/tests?term=C4479236%5bDISCUI%5d&amp;filter=method%3A2%5F19" target="_blank">Targeted variant analysis (1)</a></li>
<li class="portletSeeAll portletSeeAllPad"><total><a href="/gtr/tests?term=C4479236%5bDISCUI%5d" target="_blank">See all (24)</a></total></li>
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<div class="portlet_content ln"><ul><li><a href="https://www.omim.org/search?index=entry&amp;start=1&amp;limit=10&amp;sort=score%20desc&amp;field=number&amp;search=617350" target="_blank">OMIM</a></li><li><a href="https://clinicaltrials.gov/search?cond=Developmental%20and%20epileptic%20encephalopathy,%2052" target="_blank">ClinicalTrials.gov</a></li></ul></div>
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<div class="portlet_content ln"><ul class="a_poppers"><li><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(developmental%20and%20epileptic%20encephalopathy%2C%2052)%20AND%20(%22english%20and%20humans%22%5BFilter%5D)%20AND%20(%20(%22practice%20guideline%22%5BFilter%5D)%20OR%20(practice*%5Btitl%5D%20AND%20(guideline%5Btitl%5D%20OR%20parameter%5Btitl%5D%20OR%20resource%5Btitl%5D%20OR%20bulletin%5Btitl%5D%20OR%20best%5Btitl%5D))%20OR%20(genetic*%5Btitl%5D%20AND%20(evaluation%5Btitl%5D%20OR%20counseling%5Btitl%5D%20OR%20screening%5Btitl%5D%20OR%20test*%5Btitl%5D))%20OR%20(clinical%5Btitl%5D%20AND%20((expert%5Btitl%5D%20AND%20consensus%5Btitl%5D)%20OR%20utility%5Btitl%5D%20OR%20guideline*%5Btitl%5D))%20OR%20(management%5Btitl%5D%20AND%20(clinical%5Btitl%5D%20OR%20diagnos*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20pain%5Btitl%5D%20OR%20surveillance%5Btitl%5D%20OR%20emergency%5Btitl%5D%20OR%20guideline*%5Btitl%5D%20OR%20therap*))%20OR%20(treatment%5Btitl%5D%20AND%20((evaluation%5Btitl%5D%20AND%20diagnosis%5Btitl%5D)%20OR%20(assessment%5Btitl%5D%20AND%20prevention%5Btitl%5D)%20OR%20therap*))%20OR%20(Diagnos*%5Btitl%5D%20AND%20(prenatal%5Btitl%5D%20OR%20treatment%5Btitl%5D%20OR%20follow-up%5Btitl%5D%20OR%20statement%5Btitl%5D%20OR%20criteria%5Btitl%5D%20OR%20newborn%5Btitl%5D%20OR%20differential%5Btitl%5D%20OR%20neonatal%5Btitl%5D%20OR%20neonate%5Btitl%5D))%20OR%20(guideline*%5Btitl%5D%20AND%20(pharmacogenetic*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20evidence-based%5Btitl%5D%20OR%20consensus%5Btitl%5D%20OR%20(technical%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20(molecular%5Btitl%5D%20AND%20testing%5Btitl%5D)))%20OR%20(risk%5Btitl%5D%20AND%20assessment%5Btitl%5D)%20OR%20(recommendation*%5Btitl%5D%20AND%20(statement%5Btitl%5D%20OR%20Evidence-based%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(care%20AND%20((Patient%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20primary%5Btitl%5D%20OR%20psychosocial%5Btitl%5D))%20OR%20(Health%5Btitl%5D%20AND%20supervision%5Btitl%5D)%20OR%20(statement%5Btitl%5D%20AND%20(policy%5Btitl%5D%20OR%20position%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(pharmacogenetics%5Btitl%5D%20AND%20(Dosing%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20genotype*%5Btitl%5D%20OR%20drug*%5Btitl%5D))%20OR%20(Chemotherapy%5Btitl%5D%20AND%20decision*%5Btitl%5D)%20OR%20(screening%5Btitl%5D%20AND%20(newborn%5Btitl%5D%20OR%20neonat*%5Btitl%5D%20OR%20detection%5Btitl%5D%20OR%20diagnos*%5Btitl%5D))%20OR%20(criteria%5Btitl%5D%20OR%20genotype*%5Btitl%5D)%20)%20NOT%20(%22Case%20reports%22%5BPublication%20type%5D%20OR%20%22clinical%20study%22%5BPublication%20Type%5D%20OR%20%22randomized%20controlled%20trial%22%5BPublication%20Type%5D)" title="PubMed search">PubMed</a><div class="help-popup">See practice and clinical guidelines in PubMed. The search results may include broader topics and may not capture all published guidelines. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div></li></ul></div>
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