Trial Outcomes & Findings for Validation of a Knee Brace for Gonarthrosis (NCT NCT05814471)

NCT ID: NCT05814471

Last Updated: 2025-07-29

Results Overview

The scale was developped for this study. The mesure is an average of 5 items with 5 point scale rating system(1 harder to use; 5 easier to use). Mean score ranges from (1 harder to use; 5 easier to use)

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

5 participants

Primary outcome timeframe

Before the 2 weeks of intervention with each brace, assessed after a brace fitting protocol and a few minutes of wearing the intervention brace.

Results posted on

2025-07-29

Participant Flow

Total enrollment was 5 participants, since participants did all interventions in a sequence, the total amount of participants for each intervention was 5 since there were no exclusions nor drop-outs.

Participant milestones

Participant milestones
Measure
Adjustement Period(Velcro)First, Then Cable Fastening System Then Velcro Straps
A new knee brace is worn for a 14 days adjustement period with velcro straps. Then the brace is worn with a cable fastening system for a first 14 days intervention period, therefore the knee brace is held in place by a cable fastening system and 3d printed straps. The second 14 days intervention period is done with velcro straps keeping the brace in position.
Adjustement Period(Velcro)First, Then Velcro Straps Then Cable Fastening System
A new knee brace is worn for a 14 days adjustement period with velcro straps. The first 14 days intervention period is done with velcro straps keeping the brace in position. Then the brace is worn with a cable fastening system for a second 14 days intervention period, therefore the knee brace is held in place by a cable fastening system and 3d printed straps.
Adjustment Period(14 Days)
STARTED
3
2
Adjustment Period(14 Days)
COMPLETED
3
2
Adjustment Period(14 Days)
NOT COMPLETED
0
0
First Intervention(14 Days)
STARTED
3
2
First Intervention(14 Days)
COMPLETED
3
2
First Intervention(14 Days)
NOT COMPLETED
0
0
Second Intervention(14 Days)
STARTED
3
2
Second Intervention(14 Days)
COMPLETED
3
2
Second Intervention(14 Days)
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Validation of a Knee Brace for Gonarthrosis

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
All Participants
n=5 Participants
All participants who completed the intervention protocol.
Age, Categorical
<=18 years
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
4 Participants
n=5 Participants
Age, Categorical
>=65 years
1 Participants
n=5 Participants
Sex: Female, Male
Female
2 Participants
n=5 Participants
Sex: Female, Male
Male
3 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
Race (NIH/OMB)
White
0 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
5 Participants
n=5 Participants
Region of Enrollment
Canada
5 participants
n=5 Participants
Psychological Symptoms
28.0 units on a scale
STANDARD_DEVIATION 27.4 • n=5 Participants
Physical Symptoms
68.9 units on a scale
STANDARD_DEVIATION 23.9 • n=5 Participants

PRIMARY outcome

Timeframe: Before the 2 weeks of intervention with each brace, assessed after a brace fitting protocol and a few minutes of wearing the intervention brace.

The scale was developped for this study. The mesure is an average of 5 items with 5 point scale rating system(1 harder to use; 5 easier to use). Mean score ranges from (1 harder to use; 5 easier to use)

Outcome measures

Outcome measures
Measure
Cable Fastening System
n=5 Participants
The knee brace is worn for 2 weeks after adjustment period. The knee brace is held in place by a cable fastening system and 3d printed straps. Cable fastening system and 3d printed straps: The participants will wear a Odra knee brace held in place with by a cable fastening system and 3d printed straps for 2 weeks.
Velcro Straps
n=5 Participants
The knee brace is worn for 2 weeks after adjustment period. The knee brace is held in place by a velcro straps system. Velcro straps system: The participants will wear a Odra knee brace held in place with by a velcro straps system for 2 weeks.
Adjustment Period(Velcro-14 Days)
n=5 Participants
The participants wore a new Odra knee brace held in place with by a velcro straps system for 2 weeks.
Ease of Use Measurement Scale
4.05 score on a scale
Standard Deviation 0.26
3.00 score on a scale
Standard Deviation 1.21
4.05 score on a scale
Standard Deviation 0.78

PRIMARY outcome

Timeframe: Directly after the 2 weeks of intervention with each brace, assessed after a brace fitting protocol and a few minutes of wearing the intervention brace.

The scale was developped for this study. The mesure is an average of 5 items with 5 point scale rating system(1 harder to use; 5 easier to use). Mean score ranges from (1 harder to use; 5 easier to use)

Outcome measures

Outcome measures
Measure
Cable Fastening System
n=5 Participants
The knee brace is worn for 2 weeks after adjustment period. The knee brace is held in place by a cable fastening system and 3d printed straps. Cable fastening system and 3d printed straps: The participants will wear a Odra knee brace held in place with by a cable fastening system and 3d printed straps for 2 weeks.
Velcro Straps
n=5 Participants
The knee brace is worn for 2 weeks after adjustment period. The knee brace is held in place by a velcro straps system. Velcro straps system: The participants will wear a Odra knee brace held in place with by a velcro straps system for 2 weeks.
Adjustment Period(Velcro-14 Days)
n=5 Participants
The participants wore a new Odra knee brace held in place with by a velcro straps system for 2 weeks.
Ease of Use Measurement Scale
4.60 score on a scale
Standard Deviation 0.33
3.45 score on a scale
Standard Deviation 1.17
3.80 score on a scale
Standard Deviation 0.54

PRIMARY outcome

Timeframe: Before the 2 weeks of intervention with each brace, assessed after a brace fitting protocol and a few minutes of wearing the intervention brace.

The scale was developped for this study. The mesure is an average of 2 items with 5 point scale rating system(1 lowest comfort; 5 highest comfort). Total score is adjusted to 0 (lowest comfort) to 100 (highest comfort).

Outcome measures

Outcome measures
Measure
Cable Fastening System
n=5 Participants
The knee brace is worn for 2 weeks after adjustment period. The knee brace is held in place by a cable fastening system and 3d printed straps. Cable fastening system and 3d printed straps: The participants will wear a Odra knee brace held in place with by a cable fastening system and 3d printed straps for 2 weeks.
Velcro Straps
n=5 Participants
The knee brace is worn for 2 weeks after adjustment period. The knee brace is held in place by a velcro straps system. Velcro straps system: The participants will wear a Odra knee brace held in place with by a velcro straps system for 2 weeks.
Adjustment Period(Velcro-14 Days)
n=5 Participants
The participants wore a new Odra knee brace held in place with by a velcro straps system for 2 weeks.
Comfort Measurement Scale
90 score on a scale
Standard Deviation 13.7
80 score on a scale
Standard Deviation 20.9
62.5 score on a scale
Standard Deviation 20.9

PRIMARY outcome

Timeframe: Directly after the 2 weeks of intervention with each brace, assessed after a brace fitting protocol and a few minutes of wearing the intervention brace.

The scale was developped for this study. The mesure is an average of 2 items with 5 point scale rating system(1 lowest comfort; 5 highest comfort). Total score is adjusted to 0 (lowest comfort) to 100 (highest comfort).

Outcome measures

Outcome measures
Measure
Cable Fastening System
n=5 Participants
The knee brace is worn for 2 weeks after adjustment period. The knee brace is held in place by a cable fastening system and 3d printed straps. Cable fastening system and 3d printed straps: The participants will wear a Odra knee brace held in place with by a cable fastening system and 3d printed straps for 2 weeks.
Velcro Straps
n=5 Participants
The knee brace is worn for 2 weeks after adjustment period. The knee brace is held in place by a velcro straps system. Velcro straps system: The participants will wear a Odra knee brace held in place with by a velcro straps system for 2 weeks.
Adjustment Period(Velcro-14 Days)
n=5 Participants
The participants wore a new Odra knee brace held in place with by a velcro straps system for 2 weeks.
Comfort Measurement Scale
90 score on a scale
Standard Deviation 11.2
75 score on a scale
Standard Deviation 30.6
77.5 score on a scale
Standard Deviation 16

PRIMARY outcome

Timeframe: Change between baseline(directly before adjustment period) and directly after 2 weeks adjustment period.

Knee injury and Osteoarthritis Outcome Total Score (KOOS), translated to French(Quebec). Minimum=0(worst symptoms); Maximum=100(no symptoms);

Outcome measures

Outcome measures
Measure
Cable Fastening System
n=5 Participants
The knee brace is worn for 2 weeks after adjustment period. The knee brace is held in place by a cable fastening system and 3d printed straps. Cable fastening system and 3d printed straps: The participants will wear a Odra knee brace held in place with by a cable fastening system and 3d printed straps for 2 weeks.
Velcro Straps
The knee brace is worn for 2 weeks after adjustment period. The knee brace is held in place by a velcro straps system. Velcro straps system: The participants will wear a Odra knee brace held in place with by a velcro straps system for 2 weeks.
Adjustment Period(Velcro-14 Days)
The participants wore a new Odra knee brace held in place with by a velcro straps system for 2 weeks.
Physical Symptoms
0.6 score on a scale
Standard Deviation 3.6

PRIMARY outcome

Timeframe: Change between directly after 2 weeks adjustment period and directly after 2 weeks of use for each arm

Knee injury and Osteoarthritis Outcome Total Score (KOOS), translated to French(Quebec). Minimum=0(worst symptoms); Maximum=100(no symptoms);

Outcome measures

Outcome measures
Measure
Cable Fastening System
n=5 Participants
The knee brace is worn for 2 weeks after adjustment period. The knee brace is held in place by a cable fastening system and 3d printed straps. Cable fastening system and 3d printed straps: The participants will wear a Odra knee brace held in place with by a cable fastening system and 3d printed straps for 2 weeks.
Velcro Straps
n=5 Participants
The knee brace is worn for 2 weeks after adjustment period. The knee brace is held in place by a velcro straps system. Velcro straps system: The participants will wear a Odra knee brace held in place with by a velcro straps system for 2 weeks.
Adjustment Period(Velcro-14 Days)
The participants wore a new Odra knee brace held in place with by a velcro straps system for 2 weeks.
Physical Symptoms
2.0 score on a scale
Standard Deviation 2.3
-0.2 score on a scale
Standard Deviation 5.4

PRIMARY outcome

Timeframe: Change between baseline(directly before adjustment period) and directly after 2 weeks adjustment period.

Psychological Symptoms Inventory Total Score(Ilfeld, F. W. (1976). Further validation of a psychiatric symptom index in a normal population. Psychological Reports, 39(3, Pt 2), 1215-1228.). Minimum=0; (No symptoms); Maximum=100(Worst Symptoms);

Outcome measures

Outcome measures
Measure
Cable Fastening System
n=5 Participants
The knee brace is worn for 2 weeks after adjustment period. The knee brace is held in place by a cable fastening system and 3d printed straps. Cable fastening system and 3d printed straps: The participants will wear a Odra knee brace held in place with by a cable fastening system and 3d printed straps for 2 weeks.
Velcro Straps
The knee brace is worn for 2 weeks after adjustment period. The knee brace is held in place by a velcro straps system. Velcro straps system: The participants will wear a Odra knee brace held in place with by a velcro straps system for 2 weeks.
Adjustment Period(Velcro-14 Days)
The participants wore a new Odra knee brace held in place with by a velcro straps system for 2 weeks.
Psychological Symptoms
-3.4 score on a scale
Standard Deviation 6.5

PRIMARY outcome

Timeframe: Change between directly after 2 weeks adjustment period and directly after 2 weeks of use for each arm

Psychological Symptoms Inventory Total Score(Ilfeld, F. W. (1976). Further validation of a psychiatric symptom index in a normal population. Psychological Reports, 39(3, Pt 2), 1215-1228.). Minimum=0; (No symptoms); Maximum=100(Worst Symptoms);

Outcome measures

Outcome measures
Measure
Cable Fastening System
n=5 Participants
The knee brace is worn for 2 weeks after adjustment period. The knee brace is held in place by a cable fastening system and 3d printed straps. Cable fastening system and 3d printed straps: The participants will wear a Odra knee brace held in place with by a cable fastening system and 3d printed straps for 2 weeks.
Velcro Straps
n=5 Participants
The knee brace is worn for 2 weeks after adjustment period. The knee brace is held in place by a velcro straps system. Velcro straps system: The participants will wear a Odra knee brace held in place with by a velcro straps system for 2 weeks.
Adjustment Period(Velcro-14 Days)
The participants wore a new Odra knee brace held in place with by a velcro straps system for 2 weeks.
Psychological Symptoms
-7.4 score on a scale
Standard Deviation 6.1
-6.7 score on a scale
Standard Deviation 6.1

Adverse Events

Cable Fastening System

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

Velcro Straps

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

Adjustment Period

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

Edith Martin

Topmed

Phone: 418 683-2104

Results disclosure agreements

  • Principal investigator is a sponsor employee The only disclosure restriction on the PI is that the sponsor can review results communications prior to public release and can embargo communications regarding trial results for a period that is 1 year from the time submitted to the sponsor for review. The sponsor cannot require changes to the communication and cannot extend the embargo.
  • Publication restrictions are in place

Restriction type: OTHER