Disease & disorder

hyperekplexia

MONDO:0017658

A neurologic disorder classically characterized by pronounced startle responses to tactile or acoustic stimuli and hypertonia

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Research intelligence

Directly mapped studies only · unique clinical trials

Current registry observations. Phase counts may overlap. Study start dates are not registry registration dates. Investigational interventions are not approved-treatment recommendations.

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Verified disease and drug mappings that co-occur within the same study; not evidence of effectiveness.

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Background context

Hyperekplexia

Hyperekplexia (; "exaggerated surprise") is a neurological disorder characterized by a pronounced startle response to tactile or acoustic stimuli and an ensuing period of hypertonia. The hypertonia may be predominantly truncal, attenuated during sleep, or less prominent after one year of age. Classic hyperekplexia is caused by genetic mutations in a number of different genes, all of which play an important role in glycine neurotransmission. Glycine is used by the central nervous system as an inhibitory neurotransmitter. Hyperekplexia is generally classified as a genetic disease; some disorders can mimic the exaggerated startle of hyperekplexia.

Background only. Canonical identity remains MONDO; clinical-trial relationships come from ClinicalTrials.gov.

Drugs being studied

Disease identity and terminology: MONDO. Trial relationships: ClinicalTrials.gov.