Trial Outcomes & Findings for Internal Jugular Vein Compression Collar for Novel Symptomatic Treatment of Venous Pulsatile Tinnitus (NCT NCT05441540)

NCT ID: NCT05441540

Last Updated: 2024-04-16

Results Overview

Assessing the difference in pulsatile tinnitus symptom intensity without the collar vs. with the collar as evaluated by a 10 point Likert scale ranging 0-10 where 0 is no symptoms and 10 is maximal symptom intensity. Participants were allowed to use the collar for up to 30 days as often or as little as desired on a weekly basis but no longer than 2 hours continuously in accordance with the collar's FDA clearance. Participants completed a survey for each day of use reporting the intensity of their symptoms before wearing the collar and while wearing the collar. The difference between these symptom intensities with and without the collar is a single data point. Each data point was aggregated across all participants and across all days of use. From these aggregated data, the median and interquartile range were calculated. Therefore, the outcome is the median difference in intensity before and during wear of every day of collar use by every participant.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

20 participants

Primary outcome timeframe

From immediately before collar placement to less than or equal to two hours of wearing the collar for each day of use.

Results posted on

2024-04-16

Participant Flow

Participant milestones

Participant milestones
Measure
Treatment Group
Device will be fitted and worn up to two hours daily and participants will log changes in symptom intensity before and during device usage Internal Jugular Vein Compression Collar: The current FDA approved internal jugular vein compression collar, marketed as the Q collar, is manufactured by Q30 Innovations Home. It is designed to be worn around the neck of individuals aged 13 and older. It functions by lightly compressing the internal jugular vein's bilaterally, safely increasing intracranial volume and intracranial pressure. The FDA approved neck collar device is made of a thermoplastic elastomer that is specifically fitted to an individual to provide mild internal jugular vein compression. The product was developed and confirmed with ultrasonography to confirm appropriate fit and compression of the vein based on an athlete's neck circumference.
Overall Study
STARTED
20
Overall Study
COMPLETED
18
Overall Study
NOT COMPLETED
2

Reasons for withdrawal

Reasons for withdrawal
Measure
Treatment Group
Device will be fitted and worn up to two hours daily and participants will log changes in symptom intensity before and during device usage Internal Jugular Vein Compression Collar: The current FDA approved internal jugular vein compression collar, marketed as the Q collar, is manufactured by Q30 Innovations Home. It is designed to be worn around the neck of individuals aged 13 and older. It functions by lightly compressing the internal jugular vein's bilaterally, safely increasing intracranial volume and intracranial pressure. The FDA approved neck collar device is made of a thermoplastic elastomer that is specifically fitted to an individual to provide mild internal jugular vein compression. The product was developed and confirmed with ultrasonography to confirm appropriate fit and compression of the vein based on an athlete's neck circumference.
Overall Study
Withdrawal by Subject
2

Baseline Characteristics

Internal Jugular Vein Compression Collar for Novel Symptomatic Treatment of Venous Pulsatile Tinnitus

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Treatment Group
n=18 Participants
Device will be fitted and worn up to two hours daily and participants will log changes in symptom intensity before and during device usage Internal Jugular Vein Compression Collar: The current FDA approved internal jugular vein compression collar, marketed as the Q collar, is manufactured by Q30 Innovations Home. It is designed to be worn around the neck of individuals aged 13 and older. It functions by lightly compressing the internal jugular vein's bilaterally, safely increasing intracranial volume and intracranial pressure. The FDA approved neck collar device is made of a thermoplastic elastomer that is specifically fitted to an individual to provide mild internal jugular vein compression. The product was developed and confirmed with ultrasonography to confirm appropriate fit and compression of the vein based on an athlete's neck circumference.
Age, Continuous
45 years
STANDARD_DEVIATION 10 • n=39 Participants
Sex: Female, Male
Female
12 Participants
n=39 Participants
Sex: Female, Male
Male
6 Participants
n=39 Participants
Race/Ethnicity, Customized
Race/Ethnicity · White
15 Participants
n=39 Participants
Race/Ethnicity, Customized
Race/Ethnicity · Black/African American
2 Participants
n=39 Participants
Race/Ethnicity, Customized
Race/Ethnicity · Other Race
1 Participants
n=39 Participants
Region of Enrollment
United States
18 Participants
n=39 Participants
Body Mass Index (BMI)
26 kg/m^2
STANDARD_DEVIATION 3 • n=39 Participants

PRIMARY outcome

Timeframe: From immediately before collar placement to less than or equal to two hours of wearing the collar for each day of use.

Assessing the difference in pulsatile tinnitus symptom intensity without the collar vs. with the collar as evaluated by a 10 point Likert scale ranging 0-10 where 0 is no symptoms and 10 is maximal symptom intensity. Participants were allowed to use the collar for up to 30 days as often or as little as desired on a weekly basis but no longer than 2 hours continuously in accordance with the collar's FDA clearance. Participants completed a survey for each day of use reporting the intensity of their symptoms before wearing the collar and while wearing the collar. The difference between these symptom intensities with and without the collar is a single data point. Each data point was aggregated across all participants and across all days of use. From these aggregated data, the median and interquartile range were calculated. Therefore, the outcome is the median difference in intensity before and during wear of every day of collar use by every participant.

Outcome measures

Outcome measures
Measure
Treatment Group
n=18 Participants
Device will be fitted and worn up to two hours daily and participants will log changes in symptom intensity before and during device usage Internal Jugular Vein Compression Collar: The current FDA approved internal jugular vein compression collar, marketed as the Q collar, is manufactured by Q30 Innovations Home. It is designed to be worn around the neck of individuals aged 13 and older. It functions by lightly compressing the internal jugular vein's bilaterally, safely increasing intracranial volume and intracranial pressure. The FDA approved neck collar device is made of a thermoplastic elastomer that is specifically fitted to an individual to provide mild internal jugular vein compression. The product was developed and confirmed with ultrasonography to confirm appropriate fit and compression of the vein based on an athlete's neck circumference.
Change From Baseline in Pulsatile Tinnitus Symptom Intensity
3 units on a scale
Interval 1.0 to 4.0

SECONDARY outcome

Timeframe: Baseline, 5 weeks later upon completion of study participation

Determine if quality of life changes appreciably while using the collar and participating in the study as measured by the tinnitus handicap inventory (THI), a 25-item validated survey that evaluates the degree of impact a patient's tinnitus has on their quality of life. It is scored on a scale of 0-100, where 0 represents no handicap and 100 represent catastrophic handicap.

Outcome measures

Outcome measures
Measure
Treatment Group
n=18 Participants
Device will be fitted and worn up to two hours daily and participants will log changes in symptom intensity before and during device usage Internal Jugular Vein Compression Collar: The current FDA approved internal jugular vein compression collar, marketed as the Q collar, is manufactured by Q30 Innovations Home. It is designed to be worn around the neck of individuals aged 13 and older. It functions by lightly compressing the internal jugular vein's bilaterally, safely increasing intracranial volume and intracranial pressure. The FDA approved neck collar device is made of a thermoplastic elastomer that is specifically fitted to an individual to provide mild internal jugular vein compression. The product was developed and confirmed with ultrasonography to confirm appropriate fit and compression of the vein based on an athlete's neck circumference.
Change From Baseline in Tinnitus Quality of Life From Collar Usage
12 score on a scale
Interval 7.0 to 16.0

SECONDARY outcome

Timeframe: From immediately before collar placement to less than or equal to two hours of wearing the collar for each day of use.

Participants were allowed to use the collar for up to 30 days as often or as little as desired on a weekly basis but no longer than 2 hours continuously in accordance with the collar's FDA clearance. Participants completed a survey containing a 0-10 point Likert scale of tinnitus intensity (where 0 is no symptoms and 10 is maximal symptom intensity) for each day of use reporting the intensity of their symptoms before wearing the collar and while wearing the collar. The difference between these symptom intensities with and without the collar is a single data point. These data points were grouped by week (week 1, week 2, week 3, week 4) across participants and the median for each reported. These medians were compared statistically to determine if the effect of the collar on symptom intensity changed by week.

Outcome measures

Outcome measures
Measure
Treatment Group
n=18 Participants
Device will be fitted and worn up to two hours daily and participants will log changes in symptom intensity before and during device usage Internal Jugular Vein Compression Collar: The current FDA approved internal jugular vein compression collar, marketed as the Q collar, is manufactured by Q30 Innovations Home. It is designed to be worn around the neck of individuals aged 13 and older. It functions by lightly compressing the internal jugular vein's bilaterally, safely increasing intracranial volume and intracranial pressure. The FDA approved neck collar device is made of a thermoplastic elastomer that is specifically fitted to an individual to provide mild internal jugular vein compression. The product was developed and confirmed with ultrasonography to confirm appropriate fit and compression of the vein based on an athlete's neck circumference.
Temporality of Collar Usage Effect on Symptom Intensity
Week 1
2 units on a scale
Interval 1.0 to 3.0
Temporality of Collar Usage Effect on Symptom Intensity
Week 2
2 units on a scale
Interval 2.0 to 3.0
Temporality of Collar Usage Effect on Symptom Intensity
Week 3
2 units on a scale
Interval 1.0 to 3.0
Temporality of Collar Usage Effect on Symptom Intensity
Week 4
3 units on a scale
Interval 1.25 to 3.0

SECONDARY outcome

Timeframe: From immediately before collar placement to less than or equal to two hours of wearing the collar for each day of use.

Assessing the difference in pulsatile tinnitus symptom intensity without the collar vs. with the collar as evaluated by a 10 point Likert scale ranging 0-10 where 0 is no symptoms and 10 is maximal symptom intensity. Participants were allowed to use the collar for up to 30 days as often or as little as desired on a weekly basis but no longer than 2 hours continuously in accordance with the collar's FDA clearance. Participants completed a survey for each day of use reporting the intensity of their symptoms before wearing the collar and while wearing the collar. The difference between these symptom intensities with and without the collar is a single data point. Each of these data points were grouped by location of measurement (in clinic vs. at-home) across participants, the medians of each of these two groups were reported, and then statistically compared to evaluate if the change in symptom intensity varied by location of measurement.

Outcome measures

Outcome measures
Measure
Treatment Group
n=18 Participants
Device will be fitted and worn up to two hours daily and participants will log changes in symptom intensity before and during device usage Internal Jugular Vein Compression Collar: The current FDA approved internal jugular vein compression collar, marketed as the Q collar, is manufactured by Q30 Innovations Home. It is designed to be worn around the neck of individuals aged 13 and older. It functions by lightly compressing the internal jugular vein's bilaterally, safely increasing intracranial volume and intracranial pressure. The FDA approved neck collar device is made of a thermoplastic elastomer that is specifically fitted to an individual to provide mild internal jugular vein compression. The product was developed and confirmed with ultrasonography to confirm appropriate fit and compression of the vein based on an athlete's neck circumference.
Observed Clinical Effect of Collar vs. Home Use Effect of Collar
Clinic Measurement
2 units on a scale
Interval 1.0 to 3.0
Observed Clinical Effect of Collar vs. Home Use Effect of Collar
Home Measurement
3 units on a scale
Interval 2.0 to 3.0

Adverse Events

Treatment Group

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Benjamin Succop

UNC School of Medicine

Phone: 8284439726

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place