The Effect of Postoperative "Peanut Ball" Rehabilitation After Total Knee Replacement.
The Effect of Postoperative Rehabilitation With a "Peanut Ball" After Total Knee Replacement. A Randomized Study Evaluating Postoperative Pain and Knee Function.
1 other identifier
interventional
300
1 country
1
Brief Summary
The purpose of this randomized controlled study is to evaluate the effect of postoperative exercise with a "peanut ball" after total knee replacement, on pain, intake of pain killers, knee function, and health-related quality of life.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable knee-osteoarthritis
Started Jan 2021
Longer than P75 for not_applicable knee-osteoarthritis
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
January 10, 2021
CompletedFirst Submitted
Initial submission to the registry
November 16, 2021
CompletedFirst Posted
Study publicly available on registry
November 30, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 30, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
December 30, 2024
CompletedJuly 16, 2025
July 1, 2025
3 years
November 16, 2021
July 13, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
Visual analogue scale (VAS) (0-100)
The scale is from 0-100 and a higher value is associated with more pain. 0:no pain and 100: most possible pain.
Change from baseline (before surgery) to 3 months after surgery
Secondary Outcomes (5)
Range of movement
Change from baseline (before surgery) to 3 months after surgery
Forgotten Joint Score (FJS)
Change from baseline (before surgery) to 3 months after surgery.
Knee injury and Osteoarthritis Outcome Score (KOOS-12)
Change from baseline (before surgery) to 3 months after surgery.
30 second sit to stand test
Change from baseline (before surgery) to 3 months after surgery.
Euro Qol-five dimensions, Visual analogue scale (EQ-5D VAS)
Change from baseline (before surgery) to 3 months after surgery.
Study Arms (2)
Exercise with a "peanut ball".
EXPERIMENTALThe rehabilitation program consists of mobility- and functional training exercises with a "peanut ball".
Exercise without "peanut ball"
ACTIVE COMPARATORThe rehabilitation program consists of standard mobility- and functional training exercises without a "peanut ball".
Interventions
Eligibility Criteria
You may qualify if:
- Patients with osteoarthritis planned for surgery with total knee replacement at Skåne University Hospital.
You may not qualify if:
- Patients who do not understand and talk the Swedish language
- Patients with dementia
- Revision surgery of the knee
- Unicompartmentmental knee replacement
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Region Skanelead
Study Sites (1)
Region Skane, VO ortopedi
Lund, Sweden
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
November 16, 2021
First Posted
November 30, 2021
Study Start
January 10, 2021
Primary Completion
December 30, 2023
Study Completion
December 30, 2024
Last Updated
July 16, 2025
Record last verified: 2025-07
Data Sharing
- IPD Sharing
- Will not share