Trial Outcomes & Findings for Do Rocker Bottom Shoes and Ankle-Foot Orthoses Reduce Pain and Improve Mobility for Ankle Osteoarthritis Patients (NCT NCT03524729)

NCT ID: NCT03524729

Last Updated: 2024-09-19

Results Overview

The daily step count of a participant as measured by a body worn pedometer.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

11 participants

Primary outcome timeframe

Three weeks

Results posted on

2024-09-19

Participant Flow

Participant milestones

Participant milestones
Measure
Ankle Osteoarthritis Patients: AFO, Then RB, Then C
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Healthy Control Subjects
Ambulatory adults (18+) with no known ankle osteoarthritis. Standard walking shoe: Standard walking shoe (control shoe) with no rocker sole.
Ankle Osteoarthritis Patients: C, Then RB, Then AFO
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Ankle Osteoarthritis Patients: C, Then AFO, Then RB
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Ankle Osteoarthritis Patients: RB, Then C, the AFO
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Ankle Osteoarthritis Patients: RB, the AFO, Then C
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Overall Study
STARTED
2
1
2
2
2
2
Overall Study
COMPLETED
2
1
2
1
2
1
Overall Study
NOT COMPLETED
0
0
0
1
0
1

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Do Rocker Bottom Shoes and Ankle-Foot Orthoses Reduce Pain and Improve Mobility for Ankle Osteoarthritis Patients

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Ankle Osteoarthritis Patients
n=10 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe: Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis: Dynamic carbon fiber ankle brace. Standard walking shoe: Standard walking shoe (control shoe) with no rocker sole.
Healthy Control Subjects
n=1 Participants
Ambulatory adults (18+) with no known ankle osteoarthritis. Standard walking shoe: Standard walking shoe (control shoe) with no rocker sole.
Total
n=11 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
3 Participants
n=5 Participants
1 Participants
n=7 Participants
4 Participants
n=5 Participants
Age, Categorical
>=65 years
7 Participants
n=5 Participants
0 Participants
n=7 Participants
7 Participants
n=5 Participants
Age, Continuous
66 years
n=5 Participants
62 years
n=7 Participants
65 years
n=5 Participants
Sex: Female, Male
Female
1 Participants
n=5 Participants
1 Participants
n=7 Participants
2 Participants
n=5 Participants
Sex: Female, Male
Male
9 Participants
n=5 Participants
0 Participants
n=7 Participants
9 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
White
10 Participants
n=5 Participants
1 Participants
n=7 Participants
11 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Region of Enrollment
United States
10 Participants
n=5 Participants
1 Participants
n=7 Participants
11 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Three weeks

Population: numbers analyzed are different as there was issue with the data collection device and data were not recorded

The daily step count of a participant as measured by a body worn pedometer.

Outcome measures

Outcome measures
Measure
Ankle Osteoarthritis Patients: AFO, Then RB, Then C
n=2 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Healthy Control Subjects
Ambulatory adults (18+) with no known ankle osteoarthritis. Standard walking shoe: Standard walking shoe (control shoe) with no rocker sole.
Ankle Osteoarthritis Patients: C, Then RB, Then AFO
n=2 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Ankle Osteoarthritis Patients: C, Then AFO, Then RB
n=1 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Ankle Osteoarthritis Patients: RB, Then C, the AFO
n=2 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Ankle Osteoarthritis Patients: RB, the AFO, Then C
n=1 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Daily Step Count (# Steps)
with C
3453 steps
Standard Deviation 244
2399 steps
Standard Deviation 268
3453 steps
Standard Deviation NA
no standard deviation for 1 participant
Daily Step Count (# Steps)
With AFO
2745 steps
Standard Deviation 1613
933 steps
Standard Deviation 671
2043 steps
Standard Deviation NA
no standard deviation for 1 participant
503 steps
Standard Deviation NA
data were not recorded, issue with data collection device for 1 participant. therefore no SD
2745 steps
Standard Deviation NA
no standard deviation for 1 participant
Daily Step Count (# Steps)
With RB
2053 steps
Standard Deviation 776
2574 steps
Standard Deviation 82
2053 steps
Standard Deviation NA
no standard deviation for 1 participant

SECONDARY outcome

Timeframe: Three weeks

Population: Due to COVID-19 delays and moving to a remote data collection, the investigators were unable to capture this outcome measure data

Range of motion of the ankle joint in degrees as measured by biplane fluoroscopy and/ or CT scan

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Three weeks

Population: Due to COVID-19 delays and moving to a remote data collection, the investigators were unable to capture this outcome measure data

Self-selected walking speed as measured with a stop watch when walking a fixed distance.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Three weeks

Population: Due to COVID-19 delays and moving to a remote data collection, the investigators were unable to capture this outcome measure data

Would you continue to wear the device if you were not part of the study? Why/why not?

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: three weeks

Population: numbers analyzed are different as there was issue with the data collection device and data were not recorded

Self reported capability of physical function Min: 0 Max: 100 A higher score indicates better physical function

Outcome measures

Outcome measures
Measure
Ankle Osteoarthritis Patients: AFO, Then RB, Then C
n=2 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Healthy Control Subjects
Ambulatory adults (18+) with no known ankle osteoarthritis. Standard walking shoe: Standard walking shoe (control shoe) with no rocker sole.
Ankle Osteoarthritis Patients: C, Then RB, Then AFO
n=2 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Ankle Osteoarthritis Patients: C, Then AFO, Then RB
n=1 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Ankle Osteoarthritis Patients: RB, Then C, the AFO
n=1 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Ankle Osteoarthritis Patients: RB, the AFO, Then C
n=1 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Patient Reported Outcomes Measurement Information System (PROMIS) Physical Function
C
50.9 score on a scale
Standard Deviation 8.7
37.3 score on a scale
Standard Deviation 7.7
37.9 score on a scale
Standard Deviation NA
only one participant, therefor no SD
43.5 score on a scale
Standard Deviation NA
only one participant, therefor no SD
50.9 score on a scale
Standard Deviation NA
only one participant, therefor no SD
Patient Reported Outcomes Measurement Information System (PROMIS) Physical Function
AFO
52 score on a scale
Standard Deviation 5.1
22.5 score on a scale
Standard Deviation 7.4
41 score on a scale
Standard Deviation NA
only one participant, therefor no SD
45.6 score on a scale
Standard Deviation NA
only one participant, therefor no SD
52 score on a scale
Standard Deviation NA
only one participant, therefor no SD
Patient Reported Outcomes Measurement Information System (PROMIS) Physical Function
RB
50.35 score on a scale
Standard Deviation 2.2
41.4 score on a scale
Standard Deviation 26.3
41.6 score on a scale
Standard Deviation NA
only one participant, therefor no SD
45.6 score on a scale
Standard Deviation NA
only one participant, therefor no SD
50 score on a scale
Standard Deviation NA
only one participant, therefor no SD

SECONDARY outcome

Timeframe: Three weeks

Population: Due to COVID-19 delays and moving to a remote data collection, the investigators were unable to capture this outcome measure data

Fast walking speed as measured with a stop watch when walking a fixed distance.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Three weeks

Population: Due to COVID-19 delays and moving to a remote data collection, the investigators were unable to capture this outcome measure data

Self-selected walking speed get out of a chair, walk to a line, turn around, walk back to the chair and sit down as measured with a stop watch.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Three weeks

Population: Due to COVID-19 delays and moving to a remote data collection, the investigators were unable to capture this outcome measure data

Do you like the device? Why/why not?

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Three Months

Population: Due to COVID-19 delays and moving to a remote data collection, the investigators were unable to capture this outcome measure data

Do you have a preference to one of the treatments? Which one? Why/why not?

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: three weeks

Population: issue with data collection device, data were not collected for all participants

Self reported consequences of pain on relevant aspects of one's life. Min:0 Max: 100 A higher score indicates more pain interference

Outcome measures

Outcome measures
Measure
Ankle Osteoarthritis Patients: AFO, Then RB, Then C
n=2 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Healthy Control Subjects
Ambulatory adults (18+) with no known ankle osteoarthritis. Standard walking shoe: Standard walking shoe (control shoe) with no rocker sole.
Ankle Osteoarthritis Patients: C, Then RB, Then AFO
n=2 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Ankle Osteoarthritis Patients: C, Then AFO, Then RB
n=1 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Ankle Osteoarthritis Patients: RB, Then C, the AFO
n=1 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Ankle Osteoarthritis Patients: RB, the AFO, Then C
n=1 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Patient Reported Outcomes Measurement Information System (PROMIS) Pain Interference
C
54 score on a scale
Standard Deviation 2.8
56 score on a scale
Standard Deviation 14.7
61 score on a scale
Standard Deviation NA
only one participant, therefor no SD
61 score on a scale
Standard Deviation NA
only one participant, therefor no SD
54 score on a scale
Standard Deviation NA
only one participant, therefor no SD
Patient Reported Outcomes Measurement Information System (PROMIS) Pain Interference
AFO
52 score on a scale
Standard Deviation 2.2
22 score on a scale
Standard Deviation 4.3
41 score on a scale
Standard Deviation NA
only one participant, therefor no SD
45 score on a scale
Standard Deviation NA
only one participant, therefor no SD
52 score on a scale
Standard Deviation NA
only one participant, therefor no SD
Patient Reported Outcomes Measurement Information System (PROMIS) Pain Interference
RB
50 score on a scale
Standard Deviation 2.6
41 score on a scale
Standard Deviation 1
42 score on a scale
Standard Deviation NA
only one participant, therefor no SD
46 score on a scale
Standard Deviation NA
only one participant, therefor no SD
50 score on a scale
Standard Deviation NA
only one participant, therefor no SD

SECONDARY outcome

Timeframe: three weeks

Population: issue with data collection device, data were not collected for all participants

American Academy of Orthopaedic Surgeons Foot and Ankle Module questionnaire designed to assess foot and ankle conditions. Min:0 Max: 100 Higher= better

Outcome measures

Outcome measures
Measure
Ankle Osteoarthritis Patients: AFO, Then RB, Then C
n=2 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Healthy Control Subjects
Ambulatory adults (18+) with no known ankle osteoarthritis. Standard walking shoe: Standard walking shoe (control shoe) with no rocker sole.
Ankle Osteoarthritis Patients: C, Then RB, Then AFO
n=2 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Ankle Osteoarthritis Patients: C, Then AFO, Then RB
n=1 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Ankle Osteoarthritis Patients: RB, Then C, the AFO
n=1 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Ankle Osteoarthritis Patients: RB, the AFO, Then C
n=1 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Foot and Ankle Ability Measure (FAAM)
C
71 score on a scale
Standard Deviation 23
70 score on a scale
Standard Deviation 35
45 score on a scale
Standard Deviation NA
only 1 participant, no SD
50 score on a scale
Standard Deviation NA
only 1 participant, no SD
72 score on a scale
Standard Deviation NA
only 1 participant, no SD
Foot and Ankle Ability Measure (FAAM)
AFO
92 score on a scale
Standard Deviation 1
63 score on a scale
Standard Deviation 26
57 score on a scale
Standard Deviation NA
only 1 participant, no SD
30 score on a scale
Standard Deviation NA
only 1 participant, no SD
92 score on a scale
Standard Deviation NA
only 1 participant, no SD
Foot and Ankle Ability Measure (FAAM)
RB
70 score on a scale
Standard Deviation 42
60 score on a scale
Standard Deviation 7
64 score on a scale
Standard Deviation NA
only 1 participant, no SD
51 score on a scale
Standard Deviation NA
only 1 participant, no SD
70 score on a scale
Standard Deviation NA
only 1 participant, no SD

SECONDARY outcome

Timeframe: three weeks

Population: issue with data collection device, data were not collected for all participants

The Numeric Pain Rating Scale is a measure of pain intensity in adults in which the respondent selects a whole number (0-10) that best reflects the intensity of her / his pain. The scale will be administered verbally. scale of 1-10 higher= worse

Outcome measures

Outcome measures
Measure
Ankle Osteoarthritis Patients: AFO, Then RB, Then C
n=2 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Healthy Control Subjects
Ambulatory adults (18+) with no known ankle osteoarthritis. Standard walking shoe: Standard walking shoe (control shoe) with no rocker sole.
Ankle Osteoarthritis Patients: C, Then RB, Then AFO
n=2 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Ankle Osteoarthritis Patients: C, Then AFO, Then RB
n=1 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Ankle Osteoarthritis Patients: RB, Then C, the AFO
n=1 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Ankle Osteoarthritis Patients: RB, the AFO, Then C
n=1 Participants
Ambulatory adult patients (18+) with ankle osteoarthritis. Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole. Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace. Control (C): Standard walking shoe (control shoe) with no rocker sole. First Intervention (3 weeks) Washout (1 week) Second Intervention (3 weeks) Washout (1 week) Third Intervention (3 weeks)
Numeric Pain Rating Scale
AFO
3 score on a scale
Standard Deviation 1.4
3.5 score on a scale
Standard Deviation 4.9
5 score on a scale
Standard Deviation NA
only 1 participant, no SD
5 score on a scale
Standard Deviation NA
only 1 participant, no SD
3 score on a scale
Standard Deviation NA
only 1 participant, no SD
Numeric Pain Rating Scale
C
3.5 score on a scale
Standard Deviation 2.1
5 score on a scale
Standard Deviation 2.8
5 score on a scale
Standard Deviation NA
only 1 participant, no SD
2 score on a scale
Standard Deviation NA
only 1 participant, no SD
3.5 score on a scale
Standard Deviation NA
only 1 participant, no SD
Numeric Pain Rating Scale
RB
2.5 score on a scale
Standard Deviation 0.7
3 score on a scale
Standard Deviation 4.2
6 score on a scale
Standard Deviation NA
only 1 participant, no SD
7 score on a scale
Standard Deviation NA
only 1 participant, no SD
2.5 score on a scale
Standard Deviation NA
only 1 participant, no SD

Adverse Events

Ankle Foot Orthosis (AFO)

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

Healthy Control Subjects

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

Rocker Bottom Shoe (RB)

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

Control (C)

Serious events: 1 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Ankle Foot Orthosis (AFO)
n=8 participants at risk
Ankle foot orthosis (AFO): Dynamic carbon fiber ankle brace.
Healthy Control Subjects
n=1 participants at risk
Ambulatory adults (18+) with no known ankle osteoarthritis. Standard walking shoe: Standard walking shoe (control shoe) with no rocker sole.
Rocker Bottom Shoe (RB)
n=8 participants at risk
Rocker bottom shoe (RB): Walking shoe with a anterior posterior rocker sole.
Control (C)
n=8 participants at risk
Control (C): Standard walking shoe (control shoe) with no rocker sole.
Skin and subcutaneous tissue disorders
infection
0.00%
0/8 • 6 weeks
we did not expect mortality during this study
0.00%
0/1 • 6 weeks
we did not expect mortality during this study
0.00%
0/8 • 6 weeks
we did not expect mortality during this study
12.5%
1/8 • Number of events 1 • 6 weeks
we did not expect mortality during this study

Other adverse events

Adverse event data not reported

Additional Information

Dr. Sangeorzan

VA

Phone: 206-516-3261

Results disclosure agreements

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