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Evaluation of Neuromuscular Disease

Evaluation of Neuromuscular Diseases

The peripheral nervous system is the portion of the nervous system outside of the brain and spinal cord. It includes the 12 pairs of cranial nerves, 31 pairs of spinal nerves and their branches, nerves responsible for sensation and maintenance of normal body functions (sympathetic and parasympathetic nerves).

Years of research using clinical examinations, microscopic examinations, and electrophysiology have made the peripheral nervous system the best-studied and most available portion of the nervous system. However, even with all of the extensive studies conducted on the peripheral nervous system, many conditions remain unclassified.

The EMG Laboratory at the NIH concentrates on studying disorders of the peripheral nervous system. This protocol was designed to allow the EMG Laboratory to;

I) Learn more about established diseases of the peripheral nervous system

II) Identify and characterize new diseases of the peripheral nervous system

III) Assess current techniques in the diagnosis of diseases of the peripheral nervous system

IV) Refine old methods and develop new ones for the diagnosis of diseases of the peripheral nervous system.

Studieoversigt

Status

Afsluttet

Betingelser

Detaljeret beskrivelse

Combined with careful clinical examination, electrophysiology and histopathology have rendered the peripheral nervous system the best studied and most accessible level of the nervous system. But even after intensive diagnostic evaluation of peripheral neuropathies in large diagnostic centers, 24 to 70% of disorders remain unclassified. Analogous statistics for disorders of muscle and neuromuscular transmission are not known but probably similar, if not worse. Clearly, detailed diagnostic characterization of disorders of the peripheral nervous system is the first stage in clinical intervention.

Currently, the EMG Laboratory at the NIH offers complete clinical, electrophysiologic, and, when appropriate, pathologic evaluations on all referrals from the other Branches and Institutes. Since these referrals come primarily from within the NIH, most disorders are secondary to other systemic disease. This protocol is designed to extend the services to direct referrals of primary disorders of the peripheral nervous system. The purposes are first, to learn more about established diseases; second, to identify and characterize new diseases; third, to assess current methodologies and technologies; and fourth, to refine old methods and develop new ones. Under this umbrella protocol, individual cases and clinical series can be investigated.

Undersøgelsestype

Observationel

Tilmelding

1500

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

    • Maryland
      • Bethesda, Maryland, Forenede Stater, 20892
        • National Institute of Neurological Disorders and Stroke (NINDS)

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Barn
  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ja

Køn, der er berettiget til at studere

Alle

Beskrivelse

Patients with disorders of the peripheral nervous system, including neuropathies, myopathies, or defective neuromuscular transmission.

Normal age-matched volunteers, including some from within a neurologic population.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart

1. oktober 1984

Studieafslutning

1. november 2002

Datoer for studieregistrering

Først indsendt

3. november 1999

Først indsendt, der opfyldte QC-kriterier

3. november 1999

Først opslået (Skøn)

4. november 1999

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

4. marts 2008

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

3. marts 2008

Sidst verificeret

1. november 2002

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • 840203
  • 84-N-0203

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .