NCT03615638

Brief Summary

Knee osteoarthritis (OA) is a common musculoskeletal disorder among older people. Since the prevalence of knee OA increases with age, it is anticipated that the prevalence and burden of knee OA will increase significantly given the aging population. Total knee arthroplasty (TKA) is used to treat patients with severe knee OA. While TKA has been shown to improve knee pain, function and quality of life of patients with knee OA, up to 50% of patients with post-TKA may suffer from falls within in the first year after TKA. Given that Tai Chi can significantly improve the balance and function of older people, a fall prevention program may improve balance, pain, and function of post-TKA patients. As such, the current 3-arm randomized controlled trial (RCT) aims to compare the effectiveness of a post-operative community-based fall prevention program in improving knee pain, function and balance of patients with unilateral TKA against a group of TKA patients receiving standard post-operative care, and age- and gender-matched asymptomatic controls over 1 year.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
78

participants targeted

Target at P50-P75 for not_applicable knee-osteoarthritis

Timeline
Completed

Started Oct 2018

Longer than P75 for not_applicable knee-osteoarthritis

Geographic Reach
1 country

2 active sites

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

July 31, 2018

Completed
6 days until next milestone

First Posted

Study publicly available on registry

August 6, 2018

Completed
2 months until next milestone

Study Start

First participant enrolled

October 1, 2018

Completed
3.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2021

Completed
Last Updated

July 30, 2020

Status Verified

July 1, 2020

Enrollment Period

3.3 years

First QC Date

July 31, 2018

Last Update Submit

July 28, 2020

Conditions

Keywords

Fall preventionTotal knee arthroplastyCommnuity-based

Outcome Measures

Primary Outcomes (1)

  • Chinese version of Knee Injury and Osteoarthritis Outcome Scale

    A 42-item questionnaire with 5 subscales to assess pain, symptoms, activities of daily living, sports and recreation function, and knee-related quality of life

    1 year

Secondary Outcomes (6)

  • 11-point numeric pain rating scale

    1 year

  • Chinese version Falls Efficacy Scale - International

    1 year

  • Number of post-operative trips/falls

    1 year

  • Chinese version geriatric depression scale

    1 year

  • Chinese version Insomnia Severity Index

    1 year

  • +1 more secondary outcomes

Study Arms (3)

Fall prevention group

EXPERIMENTAL

Fall prevention program

Other: Fall prevention program

Usual care group

NO INTERVENTION

Usual postoperative care

Asymptomatic control

NO INTERVENTION

No intervention

Interventions

12-week fall prevention program (including warm-up, cool-down, education, Tai Chi, and lower limb strengthening)

Fall prevention group

Eligibility Criteria

Age60 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Participants undergoing TKA for intervention group and usual postoperative care group
  • Age- and gender-matched asymptomatic controls without knee pain in the last 12 months.
  • Can speak and understand Cantonese/English.

You may not qualify if:

  • Living in assisted living facilities, requiring nursing care
  • Medical 'red flag' conditions
  • A history of cancer in the last five years
  • Cauda equine syndrome
  • Knee fracture
  • Auto-immune disease (e.g. rheumatoid arthritis) even if they have OA
  • Inflammatory or septic arthritis
  • Systemic disease
  • Amputation
  • History of orthopedic or neurological surgery to the spine, pelvis or hips
  • Neurological diseases (e.g. stroke or Parkinson's disease)
  • Mini-Mental State Examination score \< 24
  • Depression subscale score of Depression Anxiety Stress Scales \> 21
  • Severe comorbidity leading to severe deterioration of quality of life or major healthcare utilization
  • Osteochondritis dissecans
  • +3 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Queen Mary Hospital

Hong Kong, Hong Kong

RECRUITING

Yan Chai Hospital

Hong Kong, Hong Kong

RECRUITING

Related Publications (1)

  • Lo CWT, Brodie MA, Tsang WWN, Yan CH, Lam PL, Chan CM, Lord SR, Wong AYL. Acceptability and feasibility of a community-based strength, balance, and Tai Chi rehabilitation program in improving physical function and balance of patients after total knee arthroplasty: study protocol for a pilot randomized controlled trial. Trials. 2021 Feb 11;22(1):129. doi: 10.1186/s13063-021-05055-5.

MeSH Terms

Conditions

Osteoarthritis, Knee

Condition Hierarchy (Ancestors)

OsteoarthritisArthritisJoint DiseasesMusculoskeletal DiseasesRheumatic Diseases

Study Officials

  • Arnold Wong, PhD

    The Hong Kong Polytechnic University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
The orthopedic surgeons, outcomes assessor and statistician will be blinded.
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Single-blinded 3-arm randomized controlled trial
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assistant Professor

Study Record Dates

First Submitted

July 31, 2018

First Posted

August 6, 2018

Study Start

October 1, 2018

Primary Completion

December 31, 2021

Study Completion

December 31, 2021

Last Updated

July 30, 2020

Record last verified: 2020-07

Data Sharing

IPD Sharing
Will not share

Locations