CClinicalTrials.gg
CompletedNCT04941456Updated Dec 11, 2025Results posted

Does Endurance Improve With the Use of Passy-Muir Valve for Patients With Tracheostomy?

An interventional study of Open Tracheostomy and PMV in place in PMV, Exercise Endurance and Tracheostomy, sponsored by Gaylord Hospital, Inc. Completed at 1 site in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2025-12-11.

Sponsored by Gaylord Hospital, Inc · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
26
Allocation
Non-randomized
Ages
18 Years and older
Sex
All
01

Study summary

The purpose of this study is to determine if the use of the Passy-Muir Valve improves endurance for patients in the Long Term Acute Care setting as measured with the Six- Minute Walk Test.

Read the detailed description

A Passy-Muir Valve (PMV) is a one-way valve that blocks air flow from exhalation in patients with a tracheostomy, and redirects it through to the upper airway to enable functional use of the glottis.

Typically, PMVs are used to assist patients being weaned from mechanical ventilation to communicate more effectively after tracheostomy. Devices are available that can be used in-line with the ventilator, as well as after ventilator liberation with a tracheostomy collar. PMVs provide patients with the ability to communicate, swallow, and improve diaphragmatic strength, which lengthens the periods of time that patients remain free from ventilator assistance, which ultimately leads to decannulation.

Use of the PMV during physical therapy helps restore the pressure support in the trunk, allowing for natural increases in intra-thoracic pressure (ITP) and intra-abdominal pressures (IAP) in response to increased postural demands. With an open tracheostomy tube and therefore, an open system, thoracic pressures cannot be increased or sustained as airflow passes through the tracheostomy tube and bypasses the upper airway. This difficulty would be observed when a patient needs to crawl, sit, push, or stand up. The typical means of gross motor movement for mobility is to engage the glottis (vocal cords) to restrict the expiratory lung volume in order to stabilize the chest and upper body. Placing a PMV on the tracheostomy tube closes the system and restores a patient's ability to use the upper airway to control expiratory flow and improve ITP and IAP.

The Six-Minute Walk Test (6MWT) is a commonly used test for the objective assessment of functional exercise capacity for management of patients with moderate to severe pulmonary disease. The patient is asked to walk as far as possible along a 30 meter minimally trafficked corridor for a period of six minutes. The 6MWT is a safe test with rare complications, the most common adverse event is oxygen desaturation below 80%.

Participants will consist of inpatients with tracheostomy who can tolerate use of Passy-Muir Valve; participants will be approached and consented into the study within 72 hours of being deemed medically appropriate for PMV use by medical staff. The 6MWT will be administered each session to assess ambulation distance, alternating open tracheostomy vs Passy-Muir Valve in place on sequential days to compare results. The Borg Rating of Perceived Exertion (RPE) scale will be administered before and after each session to assess patient's subjective rating of physical exertion levels on a scale from 6 through 20; 20 being the most exertion possible. Oxygen saturation and heart rate will be monitored before and after each session via pulse oximeter to assess for physiologic appropriateness of exercise response. For safety of the participant, while performing the six-minute walk test, participants will be allowed to use assistive devices as prescribed by the participant's primary physical therapist.

Sample size: A convenience sample of 30 participants will be collected.

Data: All data will be collected and analyzed in a paired fashion as appropriate; adjustments for abnormal distribution, unequal variance, and repeated measure will be applied as necessary. In the case of missing or inconsistent data due to early withdraw, early participant discharge, or other unforeseen events, the datasets will be evaluated as normal. Paired T-test and Repeated Measures Analysis of Variance (ANOVA) will be conducted to evaluate differences in Borg RPE scores and six-minute walk tests, between treatment arms, as appropriate. Correlation analysis may also be conducted to evaluate if there is any correlation to treatment arm, Borg RPE scores, six-minute walk test, and other variables such as session number.

02

Conditions studied

  • PMV
  • Exercise Endurance
  • Tracheostomy

Keywords

  • Tracheostomy
  • PMV
  • Passy Muir Valve
  • Activity Tolerance
  • Intra-Thoracic Pressure
  • Six minute walk test
  • Borg Rating of Perceived Exertion
  • Oxygen Saturation
03

In context

Lead sponsor

Gaylord Hospital, Inc is the lead sponsor of 7 studies on the registry; none are open to participants now.

Of its 6 completed or terminated interventional studies of FDA-regulated products, 6 (100%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  1. Individual with tracheostomy who can tolerate daily 30 minute Physical Therapy sessions with use of PMV and be able to maintain oxygen saturations above 88% with exertion.
  2. Ability to understand and respond to simple verbal instructions and one step commands in English well enough to consent without any interpretation.
  3. Ability to ambulate a minimum of 10 feet with/without assistive device and with/without physical assistance.

Exclusion criteria

Exclusion Criteria:

  1. Active seizures
  2. Active Pregnancy
  3. Uncontrolled hypertension
  4. Cognitive deficits that would disrupt ability to provide informed consent
  5. Enteric infection control precautions
  6. Ongoing orthostasis
  7. Actively on decannulation protocol
  8. Medical instability that would cause a doctor to put therapy program on hold
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Non-randomized
Intervention model
Crossover assignment
Masking
None (open label)
Enrollment
26 participants (actual)

Study arms

  • Experimental
    Open Tracheostomy, Then Speaking Valve

    Participants perform the six-minute walk test each study session to assess ambulation distance, first using with an open tracheostomy on day 1 and then switching to a Passy-Muir Valve on day 2. Participants will alternate back and forth between open tracheostomy and Passy-Muir Valve until 3 sessions are completed with each condition.

    Other: Open Tracheostomy · Device: PMV in place

  • Experimental
    Speaking Valve, Then Open Tracheostomy

    Participants perform the six-minute walk test each study session to assess ambulation distance, first using the Passy-Muir Valve on day 1 and then switching to an open tracheostomy on day 2. Participants will alternate back and forth between the Passy-Muir Valve and open tracheostomy until 3 sessions are completed with each condition.

    Other: Open Tracheostomy · Device: PMV in place

Interventions

  • OtherOpen Tracheostomy

    Participants will perform the six minute walk test with an open tracheostomy. Participants will complete 1 to 3 session over approximately three-weeks.

    Also known as: Standard

  • DevicePMV in place

    Participants will perform the six minute walk test with a PMV in place. Participants will complete 1 to 3 sessions over approximately three-weeks.

    Also known as: PMV, Passy-Muir Valve

06

What researchers measure

Primary outcomes

  1. Six Minute Walk Test - First Paired Sessions

    During each session, Participants will be asked to walk as far as possible along a corridor for a period of six minutes. The distance the Participant walks will be recorded to compare if the Participant can walk further with or without the PMV in place. Participant can use a device to assist with balance and the Participant can be assisted by an investigator, if needed. Each session is scheduled in an alternating fashion for whether or not Participant will use the PMV (i.e. day one no PMV, day two with PMV, day three no PMV, day four with PMV). Participants will complete 3 sessions with the PMV in place and 3 sessions with an open tracheostomy. Study sessions will occur on consecutive days, five days a week, Monday through Friday, until a minimum of 2 to maximum of 6 sessions are completed. This will equate to 1 to 3 completed paired sessions.

    Time frame: The first paired study session (Day 1) will occur within 72 hours of the participant being cleared by Medical Staff for PMV use. The second paired session will occur the day after session 1 (Day 2).

  2. Six Minute Walk Test - Second Paired Sessions

    During each session, Participants will be asked to walk as far as possible along a corridor for a period of six minutes. The distance the Participant walks will be recorded to compare if the Participant can walk further with or without the PMV in place. Participant can use a device to assist with balance and the Participant can be assisted by an investigator, if needed. Each session is scheduled in an alternating fashion for whether or not Participant will use the PMV (i.e. day one no PMV, day two with PMV, day three no PMV, day four with PMV). Participants will complete 3 sessions with the PMV in place and 3 sessions with an open tracheostomy. Study sessions will occur on consecutive days, five days a week, Monday through Friday, until a minimum of 2 to maximum of 6 sessions are completed. This will equate to 1 to 3 completed paired sessions.

    Time frame: The third study session (Day 3) will occur the day following the second study session (Day 2). The fourth study session (Day 4) will occur the day following the third study session (Day 3).

  3. Six Minute Walk Test - Third Paired Sessions

    During each session, Participants will be asked to walk as far as possible along a corridor for a period of six minutes. The distance the Participant walks will be recorded to compare if the Participant can walk further with or without the PMV in place. Participant can use a device to assist with balance and the Participant can be assisted by an investigator, if needed. Each session is scheduled in an alternating fashion for whether or not Participant will use the PMV (i.e. day one no PMV, day two with PMV, day three no PMV, day four with PMV). Participants will complete 3 sessions with the PMV in place and 3 sessions with an open tracheostomy. Study sessions will occur on consecutive days, five days a week, Monday through Friday, until a minimum of 2 to maximum of 6 sessions are completed. This will equate to 1 to 3 completed paired sessions.

    Time frame: The fifth study session (Day 5) will occur the day following the fourth study session (Day 4). The sixth study session (Day 6) will occur the day following the fifth study session (Day 5).

  4. Average Change of Borg Rating of Perceived Exertion - First Paired Sessions

    Borg Rating of Perceived Exertion is a self reported outcome score, based on a scale of 6 through 20 (20 being the hardest or most exertion, 6 being the least exertion). The first session will occur within 72 hours of the participant being cleared by Medical Staff for PMV use. Subsequent sessions will occur on every consecutive day following for 6 days total, Monday through Friday, until a minimum of 2 to maximum of 6 sessions are completed. This will equal 1 to 3 paired sessions. Average change will be calculated by using Post intervention scores subtracted by Pre intervention scores.

    Time frame: The first paired study session (Day 1) will occur within 72 hours of the participant being cleared by Medical Staff for PMV use. The second paired session will occur the day after session 1 (Day 2).

  5. Average Change of Borg Rating of Perceived Exertion - Second Paired Sessions

    Borg Rating of Perceived Exertion is a self reported outcome score, based on a scale of 6 through 20 (20 being the hardest or most exertion, 6 being the least exertion). The first session will occur within 72 hours of the participant being cleared by Medical Staff for PMV use. Subsequent sessions will occur on every consecutive day following for 6 days total, Monday through Friday, until a minimum of 2 to maximum of 6 sessions are completed. This will equal 1 to 3 paired sessions. Average change will be calculated by using Post intervention scores subtracted by Pre intervention scores.

    Time frame: The third study session (Day 3) will occur the day following the second study session (Day 2). The fourth study session (Day 4) will occur the day following the third study session (Day 3).

  6. Average Change of Borg Rating of Perceived Exertion - Third Paired Sessions

    Borg Rating of Perceived Exertion is a self reported outcome score, based on a scale of 6 through 20 (20 being the hardest or most exertion, 6 being the least exertion). The first session will occur within 72 hours of the participant being cleared by Medical Staff for PMV use. Subsequent sessions will occur on every consecutive day following for 6 days total, Monday through Friday, until a minimum of 2 to maximum of 6 sessions are completed. This will equal 1 to 3 paired sessions. Average change will be calculated by using Post intervention scores subtracted by Pre intervention scores.

    Time frame: The fifth study session (Day 5) will occur the day following the fourth study session (Day 4). The sixth study session (Day 6) will occur the day following the fifth study session (Day 5).

Secondary outcomes

  1. Change in Heart Rate - First Paired Sessions

    Using a finger pulse-oxygen meter. These are paired data from session 1 and session 2. Change will be calculated using Post intervention scores minus Pre intervention scores.

    Time frame: Participant heart rate will be measured just prior and immediately after each intervention.

  2. Change in Oxygen Saturation - First Paired Sessions

    Using a finger pulse-oxygen meter. These are paired data from session 1 and session 2. Change will be calculated using Post intervention scores minus Pre intervention scores.

    Time frame: Participant oxygen saturation will be measured just prior and immediately after each intervention.

  3. Active Standing Time - First Paired Sessions

    The duration of active standing time, including standing rest breaks and active ambulation, that participants are able to tolerate while completing the six-minute walk test will be recorded. These are paired data from session 1 and session 2.

    Time frame: Participant active standing time will be recorded immediately after each intervention.

07

Results

Posted Dec 11, 2025

Participant flow

Eligible participants were recruited from the inpatient population admitted to Gaylord Hospital.

Participant flow — Overall Study
MilestoneSpeaking Valve, Then Open TracheostomyOpen Tracheostomy, Then Speaking Valve
Started1313
Completed1113
Not completed20
Withdrew: Withdrawal by subject10
Withdrew: Protocol violation10

Outcome measures

PrimarySix Minute Walk Test - First Paired Sessions

During each session, Participants will be asked to walk as far as possible along a corridor for a period of six minutes. The distance the Participant walks will be recorded to compare if the Participant can walk further with or without the PMV in place. Participant can use a device to assist with balance and the Participant can be assisted by an investigator, if needed. Each session is scheduled in an alternating fashion for whether or not Participant will use the PMV (i.e. day one no PMV, day two with PMV, day three no PMV, day four with PMV). Participants will complete 3 sessions with the PMV in place and 3 sessions with an open tracheostomy. Study sessions will occur on consecutive days, five days a week, Monday through Friday, until a minimum of 2 to maximum of 6 sessions are completed. This will equate to 1 to 3 completed paired sessions.

Time frame:
The first paired study session (Day 1) will occur within 72 hours of the participant being cleared by Medical Staff for PMV use. The second paired session will occur the day after session 1 (Day 2).
Reported as:
Mean · Feet
Six Minute Walk Test - First Paired Sessions
FeetSpeaking ValveOpen Tracheostomy
Six Minute Walk Test - First Paired Sessions413 ± 348387 ± 301.1
Statistical analysis
  • Speaking Valve vs Open Tracheostomy · t-test, 2 sided · p = 0.2795 · Mean difference (final values): -26.08 · 95% CI -74.80 to 22.63Paired t-test
PrimarySix Minute Walk Test - Second Paired Sessions

During each session, Participants will be asked to walk as far as possible along a corridor for a period of six minutes. The distance the Participant walks will be recorded to compare if the Participant can walk further with or without the PMV in place. Participant can use a device to assist with balance and the Participant can be assisted by an investigator, if needed. Each session is scheduled in an alternating fashion for whether or not Participant will use the PMV (i.e. day one no PMV, day two with PMV, day three no PMV, day four with PMV). Participants will complete 3 sessions with the PMV in place and 3 sessions with an open tracheostomy. Study sessions will occur on consecutive days, five days a week, Monday through Friday, until a minimum of 2 to maximum of 6 sessions are completed. This will equate to 1 to 3 completed paired sessions.

Time frame:
The third study session (Day 3) will occur the day following the second study session (Day 2). The fourth study session (Day 4) will occur the day following the third study session (Day 3).
Reported as:
Mean · Feet
Six Minute Walk Test - Second Paired Sessions
FeetSpeaking ValveOpen Tracheostomy
Six Minute Walk Test - Second Paired Sessions350 ± 378.81384.6 ± 386.61
PrimarySix Minute Walk Test - Third Paired Sessions

During each session, Participants will be asked to walk as far as possible along a corridor for a period of six minutes. The distance the Participant walks will be recorded to compare if the Participant can walk further with or without the PMV in place. Participant can use a device to assist with balance and the Participant can be assisted by an investigator, if needed. Each session is scheduled in an alternating fashion for whether or not Participant will use the PMV (i.e. day one no PMV, day two with PMV, day three no PMV, day four with PMV). Participants will complete 3 sessions with the PMV in place and 3 sessions with an open tracheostomy. Study sessions will occur on consecutive days, five days a week, Monday through Friday, until a minimum of 2 to maximum of 6 sessions are completed. This will equate to 1 to 3 completed paired sessions.

Time frame:
The fifth study session (Day 5) will occur the day following the fourth study session (Day 4). The sixth study session (Day 6) will occur the day following the fifth study session (Day 5).
Reported as:
Mean · Feet
Six Minute Walk Test - Third Paired Sessions
FeetSpeaking ValveOpen Tracheostomy
Six Minute Walk Test - Third Paired Sessions380 ± 84.85357.5 ± 166.17
PrimaryAverage Change of Borg Rating of Perceived Exertion - First Paired Sessions

Borg Rating of Perceived Exertion is a self reported outcome score, based on a scale of 6 through 20 (20 being the hardest or most exertion, 6 being the least exertion). The first session will occur within 72 hours of the participant being cleared by Medical Staff for PMV use. Subsequent sessions will occur on every consecutive day following for 6 days total, Monday through Friday, until a minimum of 2 to maximum of 6 sessions are completed. This will equal 1 to 3 paired sessions. Average change will be calculated by using Post intervention scores subtracted by Pre intervention scores.

Time frame:
The first paired study session (Day 1) will occur within 72 hours of the participant being cleared by Medical Staff for PMV use. The second paired session will occur the day after session 1 (Day 2).
Reported as:
Mean · Change of score on a scale
Average Change of Borg Rating of Perceived Exertion - First Paired Sessions
Change of score on a scaleSpeaking ValveOpen Tracheostomy
Average Change of Borg Rating of Perceived Exertion - First Paired Sessions4.35 ± 2.923.65 ± 2.52
Statistical analysis
  • Speaking Valve vs Open Tracheostomy · t-test, 2 sided · p = 0.3416 · Mean difference (final values): -0.6957 · 95% CI -2.179 to 0.7877Paired t-test
PrimaryAverage Change of Borg Rating of Perceived Exertion - Second Paired Sessions

Borg Rating of Perceived Exertion is a self reported outcome score, based on a scale of 6 through 20 (20 being the hardest or most exertion, 6 being the least exertion). The first session will occur within 72 hours of the participant being cleared by Medical Staff for PMV use. Subsequent sessions will occur on every consecutive day following for 6 days total, Monday through Friday, until a minimum of 2 to maximum of 6 sessions are completed. This will equal 1 to 3 paired sessions. Average change will be calculated by using Post intervention scores subtracted by Pre intervention scores.

Time frame:
The third study session (Day 3) will occur the day following the second study session (Day 2). The fourth study session (Day 4) will occur the day following the third study session (Day 3).
Reported as:
Mean · Change of score on a scale
Average Change of Borg Rating of Perceived Exertion - Second Paired Sessions
Change of score on a scaleSpeaking ValveOpen Tracheostomy
Average Change of Borg Rating of Perceived Exertion - Second Paired Sessions6 ± 4.065.8 ± 4.82
PrimaryAverage Change of Borg Rating of Perceived Exertion - Third Paired Sessions

Borg Rating of Perceived Exertion is a self reported outcome score, based on a scale of 6 through 20 (20 being the hardest or most exertion, 6 being the least exertion). The first session will occur within 72 hours of the participant being cleared by Medical Staff for PMV use. Subsequent sessions will occur on every consecutive day following for 6 days total, Monday through Friday, until a minimum of 2 to maximum of 6 sessions are completed. This will equal 1 to 3 paired sessions. Average change will be calculated by using Post intervention scores subtracted by Pre intervention scores.

Time frame:
The fifth study session (Day 5) will occur the day following the fourth study session (Day 4). The sixth study session (Day 6) will occur the day following the fifth study session (Day 5).
Reported as:
Mean · Change of score on a scale
Average Change of Borg Rating of Perceived Exertion - Third Paired Sessions
Change of score on a scaleSpeaking ValveOpen Tracheostomy
Average Change of Borg Rating of Perceived Exertion - Third Paired Sessions4.5 ± 0.718 ± 1.41
SecondaryChange in Heart Rate - First Paired Sessions

Using a finger pulse-oxygen meter. These are paired data from session 1 and session 2. Change will be calculated using Post intervention scores minus Pre intervention scores.

Time frame:
Participant heart rate will be measured just prior and immediately after each intervention.
Reported as:
Mean · Change in beats per minute
Change in Heart Rate - First Paired Sessions
Change in beats per minuteSpeaking ValveOpen Tracheostomy
Change in Heart Rate - First Paired Sessions18 ± 12.515.4 ± 12.4
SecondaryChange in Oxygen Saturation - First Paired Sessions

Using a finger pulse-oxygen meter. These are paired data from session 1 and session 2. Change will be calculated using Post intervention scores minus Pre intervention scores.

Time frame:
Participant oxygen saturation will be measured just prior and immediately after each intervention.
Reported as:
Mean · Change in O2 Saturation percentage
Change in Oxygen Saturation - First Paired Sessions
Change in O2 Saturation percentageSpeaking ValveOpen Tracheostomy
Change in Oxygen Saturation - First Paired Sessions-3.6 ± 4.3-2.3 ± 3.9
SecondaryActive Standing Time - First Paired Sessions

The duration of active standing time, including standing rest breaks and active ambulation, that participants are able to tolerate while completing the six-minute walk test will be recorded. These are paired data from session 1 and session 2.

Time frame:
Participant active standing time will be recorded immediately after each intervention.
Reported as:
Mean · seconds
Active Standing Time - First Paired Sessions
secondsSpeaking ValveOpen Tracheostomy
Active Standing Time - First Paired Sessions259 ± 110257 ± 113

Adverse events

Collected over Participants were assessed for adverse events during the course of enrollment in study activities, on average 1 month from baseline.. Non-serious events are listed at a 0% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Speaking Valve0/13 (0%)0/13 (0%)0/13 (0%)
Open Tracheostomy0/13 (0%)0/13 (0%)0/13 (0%)

Baseline characteristics

Age, Categorical
Age, Categorical(Participants)Open Tracheostomy, Then Speaking ValveSpeaking Valve, Then Open TracheostomyTotal
<=18 years000
Between 18 and 65 years5712
>=65 years8614
Sex: Female, Male
Sex: Female, Male(Participants)Open Tracheostomy, Then Speaking ValveSpeaking Valve, Then Open TracheostomyTotal
Female7411
Male6915
Race (NIH/OMB)
Race (NIH/OMB)(Participants)Open Tracheostomy, Then Speaking ValveSpeaking Valve, Then Open TracheostomyTotal
American Indian or Alaska Native000
Asian022
Native Hawaiian or Other Pacific Islander000
Black or African American123
White10616
More than one race000
Unknown or Not Reported235
Region of Enrollment
Region of Enrollment(participants)Open Tracheostomy, Then Speaking ValveSpeaking Valve, Then Open TracheostomyTotal
United States131326
08

Study locations

1 site
  • Gaylord Hospital
    Wallingford, Connecticut 06492, United States
09

References and documents

Publications

  • Massery M, Hagins M, Stafford R, Moerchen V, Hodges PW. Effect of airway control by glottal structures on postural stability. J Appl Physiol (1985). 2013 Aug 15;115(4):483-90. doi: 10.1152/japplphysiol.01226.2012. Epub 2013 Jun 13. PubMed 23766504 ↗
  • Roberts KJ. Enhancing Early Mobility With a Speaking Valve. Respir Care. 2020 Feb;65(2):269-270. doi: 10.4187/respcare.07671. No abstract available. PubMed 31988255 ↗
  • Agarwala P, Salzman SH. Six-Minute Walk Test: Clinical Role, Technique, Coding, and Reimbursement. Chest. 2020 Mar;157(3):603-611. doi: 10.1016/j.chest.2019.10.014. Epub 2019 Nov 2. PubMed 31689414 ↗
  • Ceron C, Otto D, Signorini AV, Beck MC, Camilis M, Sganzerla D, Rosa RG, Teixeira C. The Effect of Speaking Valves on ICU Mobility of Individuals With Tracheostomy. Respir Care. 2020 Feb;65(2):144-149. doi: 10.4187/respcare.06768. Epub 2019 Oct 15. PubMed 31615923 ↗

Study documents

  • Protocol and statistical analysis plan · Jun 24, 2024

Documents are hosted by the registry — open the source record to download them.

Individual participant data

Plan to share: No — Copies of the study protocol will be provided upon reasonable request. Requests for copies of deidentified study data will considered on a case by case basis.

10

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Dec 11, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT04941456
Lead sponsor
Gaylord Hospital, Inc
Responsible party
Sponsor
First posted
Jun 28, 2021
Start date
Jul 29, 2021
Primary completion
Jun 24, 2024
Completion
Jun 24, 2024
Results posted
Dec 11, 2025
Last update
Dec 11, 2025

Study contacts

Erica Cutler, DPT
principal investigator · Gaylord Hospital

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
Yes
View the source record on ClinicalTrials.gov ↗

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