Trial Outcomes & Findings for Effect of High Frequency Chest Wall Oscillation Vests on Spirometry Measurements (NCT NCT03534986)

NCT ID: NCT03534986

Last Updated: 2018-10-03

Results Overview

Tidal Volume, the lung volume representing the normal volume of air displaced between normal inhalation and exhalation when extra effort is not applied

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

32 participants

Primary outcome timeframe

30 minutes

Results posted on

2018-10-03

Participant Flow

Participant milestones

Participant milestones
Measure
AffloVest The Vest Arm
Devices placed on highest intensity / highest frequency International Biophysics AffloVest: High-frequency chest wall oscillation vest Hill-Rom The Vest: High-frequency chest wall oscillation vest
AffloVest inCourage Arm
Devices placed on highest intensity / highest frequency International Biophysics AffloVest: High-frequency chest wall oscillation vest Respirtech inCourage: High-frequency chest wall oscillation vest
AffloVest SmartVest Arm
Devices placed on highest intensity / highest frequency International Biophysics AffloVest: High-frequency chest wall oscillation vest Electromed SmartVest: High-frequency chest wall oscillation vest
Overall Study
STARTED
10
10
12
Overall Study
COMPLETED
10
10
10
Overall Study
NOT COMPLETED
0
0
2

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
AffloVest The Vest Arm
n=10 Participants
Devices placed on highest intensity / highest frequency International Biophysics AffloVest: High-frequency chest wall oscillation vest Hill-Rom The Vest: High-frequency chest wall oscillation vest
AffloVest inCourage Arm
n=10 Participants
Devices placed on highest intensity / highest frequency International Biophysics AffloVest: High-frequency chest wall oscillation vest Respirtech inCourage: High-frequency chest wall oscillation vest
AffloVest SmartVest Arm
n=12 Participants
Devices placed on highest intensity / highest frequency International Biophysics AffloVest: High-frequency chest wall oscillation vest Electromed SmartVest: High-frequency chest wall oscillation vest
Total
n=32 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=10 Participants
0 Participants
n=10 Participants
0 Participants
n=12 Participants
0 Participants
n=32 Participants
Age, Categorical
Between 18 and 65 years
10 Participants
n=10 Participants
10 Participants
n=10 Participants
12 Participants
n=12 Participants
32 Participants
n=32 Participants
Age, Categorical
>=65 years
0 Participants
n=10 Participants
0 Participants
n=10 Participants
0 Participants
n=12 Participants
0 Participants
n=32 Participants
Age, Continuous
28.4 years
STANDARD_DEVIATION 11.9 • n=10 Participants
30.6 years
STANDARD_DEVIATION 13.3 • n=10 Participants
34.7 years
STANDARD_DEVIATION 10.2 • n=12 Participants
31.7 years
STANDARD_DEVIATION 11.7 • n=32 Participants
Sex: Female, Male
Female
2 Participants
n=10 Participants
4 Participants
n=10 Participants
7 Participants
n=12 Participants
13 Participants
n=32 Participants
Sex: Female, Male
Male
8 Participants
n=10 Participants
6 Participants
n=10 Participants
5 Participants
n=12 Participants
19 Participants
n=32 Participants
Race and Ethnicity Not Collected
0 Participants
Race and Ethnicity were not collected from any participant.
Region of Enrollment
United States
10 participants
n=10 Participants
10 participants
n=10 Participants
12 participants
n=12 Participants
32 participants
n=32 Participants

PRIMARY outcome

Timeframe: 30 minutes

Tidal Volume, the lung volume representing the normal volume of air displaced between normal inhalation and exhalation when extra effort is not applied

Outcome measures

Outcome measures
Measure
Baseline
n=10 Participants
Patient Baseline Results
AffloVest Arm
n=10 Participants
Devices placed on highest intensity / highest frequency Hill-Rom The Vest: High-frequency chest wall oscillation vest
Compressor Arm
n=10 Participants
Devices placed on highest intensity / highest frequency Compressor-type device
TV
0.93 L
Interval 0.3 to 2.32
1.00 L
Interval 0.27 to 2.28
1.07 L
Interval 0.24 to 2.69

PRIMARY outcome

Timeframe: 30 minutes

Peak Expiratory Flow, a person's maximum speed of expiration

Outcome measures

Outcome measures
Measure
Baseline
n=10 Participants
Patient Baseline Results
AffloVest Arm
n=10 Participants
Devices placed on highest intensity / highest frequency Hill-Rom The Vest: High-frequency chest wall oscillation vest
Compressor Arm
n=10 Participants
Devices placed on highest intensity / highest frequency Compressor-type device
PEF
8.19 L/s
Interval 3.96 to 11.82
8.28 L/s
Interval 3.5 to 12.0
8.13 L/s
Interval 4.23 to 12.89

PRIMARY outcome

Timeframe: 30 minutes

Forced Vital Capacity, the amount of air which can be forcibly exhaled from the lungs after taking the deepest breath possible

Outcome measures

Outcome measures
Measure
Baseline
n=10 Participants
Patient Baseline Results
AffloVest Arm
n=10 Participants
Devices placed on highest intensity / highest frequency Hill-Rom The Vest: High-frequency chest wall oscillation vest
Compressor Arm
n=10 Participants
Devices placed on highest intensity / highest frequency Compressor-type device
FVC
4.29 L
Interval 2.48 to 6.57
4.25 L
Interval 2.5 to 7.42
4.12 L
Interval 2.29 to 6.73

PRIMARY outcome

Timeframe: 30 minutes

Forced Expiratory Volume, the volume of air that can be forced out in one second after taking a deep breath

Outcome measures

Outcome measures
Measure
Baseline
n=10 Participants
Patient Baseline Results
AffloVest Arm
n=10 Participants
Devices placed on highest intensity / highest frequency Hill-Rom The Vest: High-frequency chest wall oscillation vest
Compressor Arm
n=10 Participants
Devices placed on highest intensity / highest frequency Compressor-type device
FEV1
3.51 L
Interval 2.05 to 5.54
3.46 L
Interval 2.0 to 6.19
3.30 L
Interval 1.92 to 5.83

PRIMARY outcome

Timeframe: 30 minutes

Forced Expiratory Flow (25-75%), the peak expiratory flow at 25 - 75% FVC

Outcome measures

Outcome measures
Measure
Baseline
n=10 Participants
Patient Baseline Results
AffloVest Arm
n=10 Participants
Devices placed on highest intensity / highest frequency Hill-Rom The Vest: High-frequency chest wall oscillation vest
Compressor Arm
n=10 Participants
Devices placed on highest intensity / highest frequency Compressor-type device
FEF25-75%
3.71 L/s
Interval 1.77 to 6.43
3.54 L/s
Interval 1.63 to 6.37
3.19 L/s
Interval 1.19 to 6.22

Adverse Events

AffloVest The Vest Arm

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

AffloVest inCourage Arm

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

AffloVest SmartVest Arm

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

VP of Engineering and Quality

International Biophysics Corporation

Phone: 512-814-0046

Results disclosure agreements

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