Submandibular Gland Needle Core Biopsy and Skin Punch Biopsy as Tissue Biomarkers for the Diagnosis and Monitoring of Disease Progression of Parkinson’s Disease and REM Sleep Behavior Disorder

Overview

Información sobre este estudio

Determine 1) the magnitude of SMG and skin a-syn density change over time, 2) the

improvement in adequate tissue acquisition doing bilateral SMG biopsies, 3) any laterality differences between

SMG gland a-syn density, 4) correlate a-syn density and changes in density between SMG and skin biopsies

Specific Aim 1. Determine, with bilateral submandibular gland (SMG) biopsies in 30 clinically

diagnosed subjects with Parkinson’s disease (PD) and 20 clinically probable REM sleep behavior

disorder (RBD) subjects whether bilateral biopsies improve the rate of acquisition of adequate

glandular tissue, whether alpha-synuclein (a-syn) SMG pathology correlates with clinical severity

and/or disease duration, and whether there is a left-right difference in the density of a-syn pathology.

Specific Aim 2. Determine, with a second SMG biopsy in previously biopsied PD and RBD subjects,

whether a-syn pathology density increases, decreases, or remains the same after a 1.5-2 year time

interval and whether there is a correlation between a-syn SMG pathology and clinical and/or disease

progression.

Specific Aim 3. Determine whether a-syn pathology density in skin punch biopsies correlates

with clinical measures and increases, decreases, or remains the same after a 1.5-2 year time

interval, and whether the density and changes over time correlate with those found in SMG

biopsies.

Elegibilidad para la participación

Los requisitos de elegibilidad de los participantes incluyen la edad, el sexo, el tipo y el estadio de la enfermedad, y los problemas de salud o tratamientos previos. Las pautas difieren de un estudio a otro e identifican quiénes pueden o no pueden participar. No hay garantía de que cada persona elegible que desee participar en un ensayo se inscribirá. Comunícate con el equipo del estudio para analizar la elegibilidad del estudio y la posible participación.

Inclusion Criteria - Control Group:

  • Aged 21-85 years.
  • No history or exam findings of Parkinson’s disease or other movement disorder.
  • No history of REM Sleep Behavior Disorder (RBD).

Inclusion Criteria - REM Sleep Behvior Disorder (RBD) Group:

  • No history or exam findings of parkinsonism or dementia.

Inclusion Criteria - Parkinson's Disease:

  • Meets MDS diagnostic criteria for Parkinson’s disease

Exclusion Criteria - All Groups:

  • No contraindications to having skin or submandibular gland biopsies.
  • No history or exam findings for dementia.

Sedes participantes de Mayo Clinic

Los estatus de los estudios cambian con frecuencia. Comunícate con el equipo del estudio para obtener la información más actualizada acerca de la posibilidad de participar.

Sede de Mayo Clinic Estatus Contacto

Scottsdale/Phoenix, Ariz.

Investigador principal de Mayo Clinic

Charles Adler, M.D., Ph.D.

Abierto para la inscripción

Contact information:

Jennifer Hill

(480) 301-4720

Hill.Jennifer4@mayo.edu

More information

Publicaciones

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CLS-20543556

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