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StrokeNCT03770377

Laryngeal Adaptation for Speech and Swallowing

A study testing Intermittent Perturbation to Continuous Perturbation and Continuous Perturbation to Intermittent Perturbation in people with Stroke and Spinocerebellar Ataxia, run by University of Florida.

Withdrawn

Withdrawn. The study stopped before anyone enrolled.

Official record
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Trial summary

This study will test laryngeal adaptation in speech and swallowing function in healthy adults, in patients with cerebral stroke, and in patients with spinocerebellar ataxia type 6. Read more about this study

Who is it for?
Ages 21 to 100 yearsHealthy volunteers can take part
Conditions the study is for
Stroke, Spinocerebellar Ataxia, Cerebral Stroke
What is being tested?
Intermittent Perturbation to Continuous Perturbation and Continuous Perturbation to Intermittent Perturbation
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
0 participants
Where
No sites listed yet
Study dates
24 Aug 2018to 30 Aug 2019
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 21 to 100 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Patient Inclusion Criteria:

All stroke and ataxia

Ataxia

  • DNA diagnosis of SCA6 and phenotype consistent with the DNA diagnosis
  • No recessive, X-linked or mitochondrial

Stroke

  • Bilateral or unilateral middle cerebral artery (MCA) stroke
  • No structural abnormalities (i.e. nodules)
  • Dysphagia involving laryngeal dysfunction

Stroke and ataxia with speech and swallowing disorders

  • no structural abnormalities
  • dysphagia involving laryngeal dysfunction

Patient Exclusion Criteria:

  • Montreal Cognitive Assess. <24
  • Moderate to severe hearing loss
  • Barium allergy
  • Other confounding speech disorder (i.e. stuttering)
  • Chemo-radiation, surgical head and neck treatment
  • Smoking Hx in the past 5 yrs or >5 years at any one time
  • Twenty one years of age or older
  • Breathing disorders or diseases

About this study

This study will test laryngeal adaptation in speech and swallowing function in healthy adults, in patients with cerebral stroke, and in patients with spinocerebellar ataxia type 6. The findings from this proposal will be the first step toward implementing rehabilitation techniques that help patients to prevent speech and swallowing errors before they occur.

Being tested
Intermittent Perturbation to Continuous Perturbation, Continuous Perturbation to Intermittent Perturbation
Keywords
speech, swallowing, rehabilitation, stroke, deglutition, dysphagia, dysarthria, laryngeal, ataxia
Medical subject headings
Stroke, Spinocerebellar Ataxias, Deglutition Disorders, Dysarthria, Speech, Laryngeal Diseases, Ataxia

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Intermittent Perturbation to Continuous PerturbationDevice

    Also called I to C Paradigm

    Manipulate the Movement Planning Period (MPP), by interrupting sensory predictions by removing e-stim during the inter-trial interval (Intermittent Perturbation), followed by a washout/de-adaptation period.

  • Continuous Perturbation to Intermittent PerturbationDevice

    Also called C to I Paradigm

    Manipulate the Movement Planning Period (MPP), by keep sensory input about the perturbation constant by maintaining e-stim during the inter-trial interval.

Study groups in NCT03770377
Study groupRoleWhat they receive
Stroke without DysarthriaExperimentalExamine laryngeal adaptation across all study groups: (1) baseline measures of speech or swallowing , (2) a clinical examination of disease/condition severity and (3) the experimental paradigm.
Receives: Device: Intermittent Perturbation to Continuous Perturbation; Device: Continuous Perturbation to Intermittent Perturbation
Stroke with DysarthriaExperimentalExamine laryngeal adaptation across all study groups: (1) baseline measures of speech or swallowing , (2) a clinical examination of disease/condition severity and (3) the experimental paradigm.
Receives: Device: Intermittent Perturbation to Continuous Perturbation; Device: Continuous Perturbation to Intermittent Perturbation
SCA6 without DysarthriaExperimentalExamine laryngeal adaptation across all study groups: (1) baseline measures of speech or swallowing , (2) a clinical examination of disease/condition severity and (3) the experimental paradigm.
Receives: Device: Intermittent Perturbation to Continuous Perturbation; Device: Continuous Perturbation to Intermittent Perturbation
SCA6 with DysarthriaExperimentalExamine laryngeal adaptation across all study groups: (1) baseline measures of speech or swallowing , (2) a clinical examination of disease/condition severity and (3) the experimental paradigm.
Receives: Device: Intermittent Perturbation to Continuous Perturbation; Device: Continuous Perturbation to Intermittent Perturbation
Age-Matched ControlsActive comparatorExamine laryngeal adaptation across all study groups: (1) baseline measures of speech or swallowing , (2) a clinical examination of disease/condition severity and (3) the experimental paradigm.
Receives: Device: Intermittent Perturbation to Continuous Perturbation; Device: Continuous Perturbation to Intermittent Perturbation

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Laryngeal Adaptation in Speech

    To differentiate laryngeal adaptation during speech among cerebral stroke, SCA6, and healthy controls when vocal loudness is perturbed with expiratory loading.

    Measured: Day 1

  2. Laryngeal Adaptation in Swallowing

    To differentiate laryngeal adaptation among cerebral stroke, SCA6, and healthy controls when swallowing is perturbed with neck surface electrical stimulation to restrict laryngeal elevation.

    Measured: Day 1

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted10 Dec 2018
  2. Study start24 Aug 2018
  3. Primary completion30 Aug 2019
  4. Study completion30 Aug 2019

Why it stopped: IRB Closure

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Crossover
Model description
A cross-sectional study design will be used to examine laryngeal adaptation across all study groups.
Masking
None (open label)
Enrolment
0 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03770377
Sponsor's protocol ID
IRB201702917 -A
Other IDs
R01DC016275-01A1, OCR19032, 5R01DC016275-02
Status last verified
Jun 2021
First submitted
29 Nov 2018
Last updated
15 Jun 2021
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
Yes

Questions about this trial

What is this clinical trial studying?

A study testing Intermittent Perturbation to Continuous Perturbation and Continuous Perturbation to Intermittent Perturbation in people with Stroke and Spinocerebellar Ataxia, run by University of Florida.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: withdrawn, as of the sponsor's last update on 15 Jun 2021. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study was withdrawn before enrolling participants, so there are no results.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Laryngeal Adaptation in Speech (time frame: Day 1). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 15 Jun 2021.

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