CUHK Achilles Tendon Disorder Registry
Trial statusNot yet recruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age18+
SponsorChinese University of Hong Kong
About this trial
This is a long-term research registry for patients with Achilles tendon disorders (like tears, chronic pain, or ruptures) as well as healthy adults without tendon problems. The goal is to collect detailed information over time to understand which treatments work best for different people, identify risk factors for injury, and improve overall care. Adults over 18, both with and without Achilles tendon conditions, are eligible to join. Participants will attend several assessment visits at the Prince of Wales Hospital over the first year (at the start, 6 weeks, 3, 4, 6, and 12 months) for physical tests, ultrasounds, and questionnaires. After the first year, follow-up continues with annual online questionnaires for up to five years. The main measure is a standard questionnaire about tendon pain and function (VISA-A). The study aims to use this information to guide better, more personalized rehabilitation strategies, improve patient outcomes, and reduce long-term disability. All participation is voluntary and requires written consent.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Adults (>18 years of age)
Disqualifiers
Any physical or psychological comorbidity that would impair the ability to complete study assessments (e.g., significant neurological deficits) or preclude the provision of informed consent.
Concomitant diseases that severely affect lower limb function or assessment (e.g., severe osteoarthritis of the knee or hip, prior lower limb amputation, peripheral vascular disease, active rheumatoid arthritis, lower limb paralysis, etc.)
Trial population
Hong Kong Residents
Trial design
Design model
Cohort
Time perspective
Prospective
Treatments tested in this trial
Not listed
Trial groups
200 Participants
are grouped into 2 trial groupsGroup A: Healthy group
Group B: Achilles tendon disorder group
Trial outcomes
Primary outcomes
1
Victorian Institute of Sports Assessment (VISA-A)
The primary outcome measure will be the Victorian Institute of Sport Assessment (VISA-A) questionnaire, available in either the original English or validated Chinese version, depending on the participant's native language. This specific scoring system developed for the Achilles tendon is the most widely used score for clinical Achilles research. The VISA-A is scored on a scale of 0 to 100; lower scores indicate more severity of symptoms, while a score of 100 indicates a healthy and pain-free Achilles tendon.
Time frame
From enrollment to 5 years after baseline assessmentSecondary outcomes
1
Numeric Pain Rating Scale (NPRS)
The Numeric Pain Rating Scale (NPRS; 0-10, where 10 represents maximum pain) will be used to assess pain levels, as pain is the primary symptom of midportion Achilles tendinopathy. Participants will report their "Worst pain during sports in the past two weeks," "Worst pain during daily activities in the past two weeks."
Time frame
From enrollment to 5 years after baseline assessment2
Foot and Ankle Outcome Scores (FAOS)
The FAOS is a validated patient-reported scoring system used for general foot and ankle problems. It is split into five categories: symptoms, pain, daily activities, sporting function, and quality of life. Scores range from 0 to 100, with 0 being the lowest and 100 being the highest.
Time frame
From enrollment to 5 years after baseline assessment3
Achilles tendon resting angle (ATRA)
The ATRA will measure participants' tendon length/tension. Participants should be positioned in a prone position with the knee flexed to 90 degrees. The assessor will use a dynamic joint goniometer to measure the angle at which the foot passively falls.
Time frame
From enrollment to 1 year after baseline assessment4
Royal London hospital test
The Royal London Hospital Test is used to help diagnose mid-portion Achilles tendinopathy. The patient lies prone with the foot relaxed, and the examiner palpates the most tender spot on the Achilles tendon. The patient then moves the ankle through dorsiflexion and plantarflexion. A positive test occurs if tenderness decreases during dorsiflexion.
Time frame
From enrollment to 1 year after baseline assessmentLocations
Sponsors and contacts
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Source ClinicalTrials.gov
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