The Initiation of Swallowing Can Indicate the Prognosis of DOC

April 16, 2018 updated by: Jing Wang, Hangzhou Normal University

The Initiation of Swallowing Can Indicate the Prognosis of Disorders of Consciousness

This study is aimed to detect the initiation of swallowing act in DOC patients, to find if it is a good item as a stimulus and to detect the relationship between the initiation of swallowing act and the prognosis of DOC patients.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

Studies suggest that the initiation and patterning of swallowing of the pharyngeal phase is also under active cortical control for both spontaneous as well as volitional swallowing in awake humans and non-human primates. A recent study found that most patients of disorders of consciousness (DOC) would recover their swallowing ability quickly. And there is no study about detecting the initiation of swallowing act in DOC patients. This study is aimed to detect the initiation of swallowing act in DOC patients, to find if it is a good item as a stimulus and to detect the relationship between the initiation of swallowing act and the prognosis of DOC patients. DOC patients were recruited (standard diagnosis procedure is 4 times CRS-R testing within 2 weeks). The different four stimuli were as follows: 1) One command (as recommended in CRS-R) which was "open your mouth". 2) Put a spoon in front of the patient's mouth without a command. 3) One command with a spoon in front of the mouth, the command is "there is a spoon and open your mouth". 4) One command with a spoon full of water in front of the mouth, the command is "there is a spoon with water and open your mouth". We presented these stimuli orderly in front of the patient's mouth and presented any one of them over 4 trials at 15 second intervals.

Study Type

Observational

Enrollment (Actual)

24

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • China
    • Zhejiang
      • Hangzhou, Zhejiang, China, 3100036
        • International Vegetative State and Consciousness Science Institute, Hangzhou Normal University

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

25 years to 75 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Probability Sample

Study Population

patients with disorders of consciousness

Description

Inclusion Criteria:

  • age ≥ 18 years
  • no administration of central nervous system stimulant, neuro-muscular blocking agents, or sedative within the prior 24 hours
  • a diagnosis of VS or MCS-, based on the behavioral assessment of standardized CRS-R
  • periods of eye opening (indicating preserved sleep-wake cycles).

Exclusion Criteria:

  • documented history of prior brain injury
  • premorbid illness resulting in documented functional disabilities up to time of the injury
  • acute illness (e.g., pyrexia, pneumonia, diarrhea)
  • receiving hyperbaric oxygen treatments within 2 hours
  • fracture of the mandible.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Cohort
  • Time Perspectives: Prospective

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
patients with disorders of consciousness
Patients with disorders of consciousness from several brain injury, assessed by Coma Recovery Scale-Revised (CRS-R), have been clinically classified into coma, unresponsive wakefulness syndrome and minimally conscious state.
Diagnostic test: Coma Recovery Scale-Revised
Patients with disorders of consciousness were assessed by Coma Recovery Scale-Revised (CRS-R). In addition, we selected four stimuli: 1) only a command (as recommended in CRS-R), which was "open your mouth"; 2) only a spoon without a command; 3) a spoon and a command, the command was "there is a spoon and open your mouth"; 4) a spoon with water and a command, the command was "there is a spoon with water and open your mouth". In brief, we presented these stimuli orderly in front of the patient's mouth and presented any one of them over 4 trials at 15 second intervals.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Coma Recovery Scale-Revised （CRS-R）
Time Frame: Six month later
examine the prognostic value of patients, longitudinal behavioral assessments were repeatedly conducted by means of the CRS-R 6-month later
Six month later

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Hangzhou Normal University

Investigators

  • Study Chair: Haibo Di, Pro, International Vegetative State and Consciousness Science Institute, Hangzhou Normal University

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

June 3, 2016

Primary Completion (Actual)

March 24, 2018

Study Completion (Actual)

April 12, 2018

Study Registration Dates

First Submitted

April 16, 2018

First Submitted That Met QC Criteria

April 16, 2018

First Posted (Actual)

April 25, 2018

Study Record Updates

Last Update Posted (Actual)

April 25, 2018

Last Update Submitted That Met QC Criteria

April 16, 2018

Last Verified

April 1, 2018

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 2017A02529

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

Yes

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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