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CoughPhase 1/2NCT02183519

Respiratory Kinematics of Cough in Healthy Older Adults and Parkinson's Disease

A Phase 1/2 study testing Capsaicin and Voluntary cough test in people with Cough and Parkinson's Disease, run by University of Florida at 2 sites in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this research study is to test cough function in individuals with Parkinson's disease and healthy older adults. Cough is a complex, defensive function which involves movement of the chest and lungs. Read more about this study

Who is it for?
Ages 55 to 85 yearsHealthy volunteers can take part
Conditions the study is for
Cough, Parkinson's Disease
What is being tested?
Capsaicin and Voluntary cough test
Could I receive a placebo?
No, everyone receives an active treatment
How many people
44 participants
Where
2 sitesUnited States
Study dates
Oct 2014to Aug 2015
Phase
Phase 1/2
Are there results?
Yes, posted in the registrySummary in the doctors' view

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 55 to 85 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Age 55-85 years
  • Ability to provide informed consent
  • For participants with Parkinson's disease (PD):
  • Diagnosis of PD (Hoehn \& Yahr stages II-IV) by a University of Florida Movement Disorders fellowship trained neurologist having completed a clinical assessment of each participant's PD severity and arriving at the diagnosis of PD by applying strict United Kingdom brain bank criteria.

Who cannot join

  • Participants with PD:
  • History of neurological disorders other than PD (e.g. multiple sclerosis, stroke, brain tumor, etc)
  • Healthy older adults:
  • History of neurological disease including PD
  • History of head and neck cancer
  • History of breathing disorders or disease (i.e. chronic obstructive pulmonary disease, asthma)
Show all 10Show fewer
  • History of smoking for more than 5 years at any one time (as this reduces the sensitivity to capsaicin)
  • History of chest infection the last 5 weeks
  • Failure of a screening test of pulmonary function (e.g. forced expiratory volume in one second/forced vital capacity<75%)
  • Difficulty complying due to neuropsychological dysfunction (i.e. severe depression)

Trial locations and contacts

2 sites in 1 country.

United States2 sites
  • Center for Movement Disorders and Neurorestoration

    Gainesville, Florida, 32611

  • Dauer Hall, University of Florida

    Gainesville, Florida, 32611

Other trials in United States

About this study

Official title: Respiratory Kinematics of Reflex and Voluntary Cough in Healthy Older Adults and Parkinson's Disease

The purpose of this research study is to test cough function in individuals with Parkinson's disease and healthy older adults. Cough is a complex, defensive function which involves movement of the chest and lungs. The investigators want to compare the movement of the chest wall and the lungs during voluntary and reflex cough.

The long-term goal of this research is to develop treatments for people with cough dysfunction. Cough dysfunction increases the risk for respiratory infections such as pneumonia. The results from this study will provide information to help researchers understand the difference between reflex and voluntary cough more fully.

Read the detailed description

If the participant agrees to participate, the investigators will first test pulmonary (lung) function. Next, the investigators will test voluntary and reflex cough. After this first round of cough testing, the investigators will ask participants to cough long and hard during voluntary and reflex cough testing. Finally, the investigators will view the larynx (voice box) with an endoscopic camera inserted through the nose. This test is done to see if there are any changes in the larynx that may influence cough.

Being tested
Capsaicin, Voluntary cough test
Keywords
Cough, Reflex, Voluntary, Healthy older adults, Parkinson's disease, Respiratory kinematics, Cueing
Medical subject headings
Cough, Parkinson Disease

What participants receive

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

  • CapsaicinDrug

    For reflex cough testing, all participants will receive various concentrations of nebulized capsaicin. Delivery of multiple concentrations and doses of capsaicin allows for accurate assessment of both the strength (airflow measures) of reflex, as well as cough sensitivity.

  • Voluntary cough testOther

    Participants will be fitted with a facemask covering their mouth and nose, and instructed to cough into the facemask.

Study groups in NCT02183519
Study groupRoleWhat they receive
Healthy older adultsExperimentalAll participants will receive reflex and voluntary cough testing. This will include coughing on command (voluntary cough) and coughing in response to capsaicin (reflex cough). This data will me measured to determine the strength of the cough (from both voluntary and reflex cough) and cough sensitivity (reflex cough only). Following baseline reflex and voluntary cough assessment, the participants will be cued to cough long and hard during both reflex and voluntary cough tasks. These data will help the investigators understand the baseline characteristics of voluntary and reflex cough, whether older adults can modify the magnitude of their cough response with verbal and visual cues.
Receives: Drug: Capsaicin; Other: Voluntary cough test
Parkinson's diseaseExperimentalAll participants will receive reflex and voluntary cough testing. This will include coughing on command (voluntary cough) and coughing in response to capsaicin (reflex cough). This data will me measured to determine the strength of the cough (from both voluntary and reflex cough) and cough sensitivity (reflex cough only). Following baseline reflex and voluntary cough assessment, the participants will be cued to cough long and hard during both reflex and voluntary cough tasks. These data will help the investigators understand the baseline characteristics of voluntary and reflex cough, whether older adults can modify the magnitude of their cough response with verbal and visual cues.
Receives: Drug: Capsaicin; Other: Voluntary cough test

What is being measured

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

  1. Peak Expiratory Flow Rate

    Peak expiratory flow rate is the maximum volume of air that is expelled per unit time for each cough in a cough epoch. Measured in liters/second.

    Measured: 1-2 hours

Timeline

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

  1. First posted8 Jul 2014 (estimated)
  2. Study startOct 2014
  3. Primary completionAug 2015
  4. Study completionAug 2015

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 1/2
Primary purpose
Treatment
Allocation
Non-randomised
Intervention model
Parallel groups
Model description
Participants with Parkinson's Disease are evaluated in parallel against a control group of health older adults
Masking
None (open label)
Enrolment
44 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02183519
Sponsor's protocol ID
IRB201400477
Status last verified
Feb 2017
First submitted
2 Jul 2014
Last updated
24 Mar 2017
Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No

Publications

  • Smith JA, Aliverti A, Quaranta M, McGuinness K, Kelsall A, Earis J, Calverley PM. Chest wall dynamics during voluntary and induced cough in healthy volunteers. J Physiol. 2012 Feb 1;590(3):563-74. doi: 10.1113/jphysiol.2011.213157. Epub 2011 Dec 5.

    PubMed 22144580

Questions about this trial

What is this clinical trial studying?

A Phase 1/2 study testing Capsaicin and Voluntary cough test in people with Cough and Parkinson's Disease, run by University of Florida at 2 sites in United States.

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

Who may be eligible to take part?

The sponsor lists 4 inclusion and 10 exclusion criteria. 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: finished, as of the sponsor's last update on 24 Mar 2017. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

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.

What does this combined phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 24 Mar 2017). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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?

Peak Expiratory Flow Rate (time frame: 1-2 hours). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02183519, which also lists 1 linked publication.

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 24 Mar 2017.

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