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NCT03524729: RB/AFO

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

Completed NA Results posted Last updated 19 September 2024
What this trial tests

NA trial testing Rocker bottom shoe in Ankle Osteoarthritis in 11 participants. Completed in 15 June 2023.

Timeline
1 January 2019
Primary endpoint
1 June 2022
15 June 2023

Quick facts

Lead sponsorVA Office of Research and Development
PhaseNA
StatusCompleted
Study typeINTERVENTIONAL
Allocationnon randomized
Designcrossover
Maskingnone
Primary purposetreatment
Enrollment11
Start date1 January 2019
Primary completion1 June 2022
Estimated completion15 June 2023
Sites1 location across United States

Drugs / interventions tested

Conditions studied

Sponsor

VA Office of Research and Development — full company profile →

Who can join

18 and older, any sex, with Ankle Osteoarthritis or Healthy Ankles. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Daily Step Count (# Steps) Primary · Three weeks

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

with C
GroupValue95% CI
Ankle Osteoarthritis Patients: AFO, Then RB, Then C3453± 244
Ankle Osteoarthritis Patients: C, Then RB, Then AFO2399± 268
Ankle Osteoarthritis Patients: RB, the AFO, Then C3453± NA
With AFO
GroupValue95% CI
Ankle Osteoarthritis Patients: AFO, Then RB, Then C2745± 1613
Ankle Osteoarthritis Patients: C, Then RB, Then AFO933± 671
Ankle Osteoarthritis Patients: C, Then AFO, Then RB2043± NA
Ankle Osteoarthritis Patients: RB, Then C, the AFO503± NA
Ankle Osteoarthritis Patients: RB, the AFO, Then C2745± NA
With RB
GroupValue95% CI
Ankle Osteoarthritis Patients: AFO, Then RB, Then C2053± 776
Ankle Osteoarthritis Patients: C, Then RB, Then AFO2574± 82
Ankle Osteoarthritis Patients: RB, the AFO, Then C2053± NA
Patient Reported Outcomes Measurement Information System (PROMIS) Physical Function Secondary · three weeks

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

C
GroupValue95% CI
Ankle Osteoarthritis Patients: AFO, Then RB, Then C50.9± 8.7
Ankle Osteoarthritis Patients: C, Then RB, Then AFO37.3± 7.7
Ankle Osteoarthritis Patients: C, Then AFO, Then RB37.9± NA
Ankle Osteoarthritis Patients: RB, Then C, the AFO43.5± NA
Ankle Osteoarthritis Patients: RB, the AFO, Then C50.9± NA
AFO
GroupValue95% CI
Ankle Osteoarthritis Patients: AFO, Then RB, Then C52± 5.1
Ankle Osteoarthritis Patients: C, Then RB, Then AFO22.5± 7.4
Ankle Osteoarthritis Patients: C, Then AFO, Then RB41± NA
Ankle Osteoarthritis Patients: RB, Then C, the AFO45.6± NA
Ankle Osteoarthritis Patients: RB, the AFO, Then C52± NA
RB
GroupValue95% CI
Ankle Osteoarthritis Patients: AFO, Then RB, Then C50.35± 2.2
Ankle Osteoarthritis Patients: C, Then RB, Then AFO41.4± 26.3
Ankle Osteoarthritis Patients: C, Then AFO, Then RB41.6± NA
Ankle Osteoarthritis Patients: RB, Then C, the AFO45.6± NA
Ankle Osteoarthritis Patients: RB, the AFO, Then C50± NA
Patient Reported Outcomes Measurement Information System (PROMIS) Pain Interference Secondary · three weeks

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

C
GroupValue95% CI
Ankle Osteoarthritis Patients: AFO, Then RB, Then C54± 2.8
Ankle Osteoarthritis Patients: C, Then RB, Then AFO56± 14.7
Ankle Osteoarthritis Patients: C, Then AFO, Then RB61± NA
Ankle Osteoarthritis Patients: RB, Then C, the AFO61± NA
Ankle Osteoarthritis Patients: RB, the AFO, Then C54± NA
AFO
GroupValue95% CI
Ankle Osteoarthritis Patients: AFO, Then RB, Then C52± 2.2
Ankle Osteoarthritis Patients: C, Then RB, Then AFO22± 4.3
Ankle Osteoarthritis Patients: C, Then AFO, Then RB41± NA
Ankle Osteoarthritis Patients: RB, Then C, the AFO45± NA
Ankle Osteoarthritis Patients: RB, the AFO, Then C52± NA
RB
GroupValue95% CI
Ankle Osteoarthritis Patients: AFO, Then RB, Then C50± 2.6
Ankle Osteoarthritis Patients: C, Then RB, Then AFO41± 1
Ankle Osteoarthritis Patients: C, Then AFO, Then RB42± NA
Ankle Osteoarthritis Patients: RB, Then C, the AFO46± NA
Ankle Osteoarthritis Patients: RB, the AFO, Then C50± NA
Foot and Ankle Ability Measure (FAAM) Secondary · three weeks

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

C
GroupValue95% CI
Ankle Osteoarthritis Patients: AFO, Then RB, Then C71± 23
Ankle Osteoarthritis Patients: C, Then RB, Then AFO70± 35
Ankle Osteoarthritis Patients: C, Then AFO, Then RB45± NA
Ankle Osteoarthritis Patients: RB, Then C, the AFO50± NA
Ankle Osteoarthritis Patients: RB, the AFO, Then C72± NA
AFO
GroupValue95% CI
Ankle Osteoarthritis Patients: AFO, Then RB, Then C92± 1
Ankle Osteoarthritis Patients: C, Then RB, Then AFO63± 26
Ankle Osteoarthritis Patients: C, Then AFO, Then RB57± NA
Ankle Osteoarthritis Patients: RB, Then C, the AFO30± NA
Ankle Osteoarthritis Patients: RB, the AFO, Then C92± NA
RB
GroupValue95% CI
Ankle Osteoarthritis Patients: AFO, Then RB, Then C70± 42
Ankle Osteoarthritis Patients: C, Then RB, Then AFO60± 7
Ankle Osteoarthritis Patients: C, Then AFO, Then RB64± NA
Ankle Osteoarthritis Patients: RB, Then C, the AFO51± NA
Ankle Osteoarthritis Patients: RB, the AFO, Then C70± NA
Numeric Pain Rating Scale Secondary · three weeks

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

C
GroupValue95% CI
Ankle Osteoarthritis Patients: AFO, Then RB, Then C3.5± 2.1
Ankle Osteoarthritis Patients: C, Then RB, Then AFO5± 2.8
Ankle Osteoarthritis Patients: C, Then AFO, Then RB5± NA
Ankle Osteoarthritis Patients: RB, Then C, the AFO2± NA
Ankle Osteoarthritis Patients: RB, the AFO, Then C3.5± NA
AFO
GroupValue95% CI
Ankle Osteoarthritis Patients: AFO, Then RB, Then C3± 1.4
Ankle Osteoarthritis Patients: C, Then RB, Then AFO3.5± 4.9
Ankle Osteoarthritis Patients: C, Then AFO, Then RB5± NA
Ankle Osteoarthritis Patients: RB, Then C, the AFO5± NA
Ankle Osteoarthritis Patients: RB, the AFO, Then C3± NA
RB
GroupValue95% CI
Ankle Osteoarthritis Patients: AFO, Then RB, Then C2.5± 0.7
Ankle Osteoarthritis Patients: C, Then RB, Then AFO3± 4.2
Ankle Osteoarthritis Patients: C, Then AFO, Then RB6± NA
Ankle Osteoarthritis Patients: RB, Then C, the AFO7± NA
Ankle Osteoarthritis Patients: RB, the AFO, Then C2.5± NA

Adverse events — posted to ClinicalTrials.gov

Time frame: 6 weeks. Reporting threshold: 5%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.

Ankle Foot Orthosis (AFO)
Serious: 0/8 (0%)
Deaths: 0/8
Healthy Control Subjects
Serious: 0/1 (0%)
Deaths: 0/1
Rocker Bottom Shoe (RB)
Serious: 0/8 (0%)
Deaths: 0/8
Control (C)
Serious: 1/8 (13%)
Deaths: 0/8

Serious adverse events (1 terms)

ReactionSystemAnkle Foot Orthosis (AFO)Healthy Control SubjectsRocker Bottom Shoe (RB)Control (C)
infectionSkin and subcutaneous tissue disorders

Most-reported serious reactions: infection.

Data from ClinicalTrials.gov NCT03524729 adverse events section.

Sponsor's own description

Ankle osteoarthritis (OA) is a painful, progressive condition that can severely limit physical activity and reduce quality of life. Rocker bottom (RB) shoes and ankle-foot orthoses (AFOs) are commonly used as non-surgical treatments for ankle OA. RB shoes have a curved sole in the toe to heel direction that may alleviate joint pain by reducing ankle range of motion (ROM). Similarly, AFOs may reduce joint motion by securing the foot and ankle within the ankle-foot orthosis (AFO) frame. This study aims to determine the ability of RB shoes and AFOs to improve mobility, by relieving pain and reducing joint ROM.

Publications & conference data

No peer-reviewed publications indexed yet for this trial. Completed trials usually publish results within 12-18 months.

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Other recruiting trials for Ankle Osteoarthritis

Currently open trials in the same condition.

Other VA Office of Research and Development trials

Trials by the same sponsor.

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Data sources for this page

Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT03524729.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing