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HaemophiliaNCT05425888

Functional and Proprioceptive Status in Patients With Hemophilic Ankle Arthropathy

An observational study of Haemophilia, run by Investigación en Hemofilia y Fisioterapia at 1 site in Spain.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Introduction: Hemophilic ankle arthropathy is manifested by functional degenerative alterations (muscle strength deficit, mobility and proprioception), intra-articular and chronic pain. Design: Case-control study. Read more about this study

Who is it for?
Ages 18 to 45 years, men onlyHealthy volunteers can take part
Conditions the study is for
Haemophilia
What is being tested?
Hemophilia group
How many people
32 participants
Where
1 siteSpain
Study dates
22 Jun 2022to 23 Dec 2022
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 45 years
  • Men only
  • Healthy volunteers accepted
  • Adult

Study population: Patients with hemophilic ankle arthropathy older than 18 years (group of cases). Healthy subjects without ankle joint damage, of the same age range (control groups).

Who may be able to join

  • Patients diagnosed with hemophilia A and B.
  • Over 18 years.
  • With medical diagnosis of ankle arthropathy.
  • With clinical evaluation by Hemophilia Joint Health Score.
  • In prophylactic treatment or on demand with FVIII / FIX concentrates for coagulation.
  • No previous hemarthrosis of the ankles in the 3 months prior to evaluation.

Who cannot join

  • Patients with inhibitors (antibodies against FVIII or FIX).
  • Patients with neurological or cognitive disorders that prevent the understanding of questionnaires and physical tests.
  • Failure to sign the informed consent document

Trial locations and contacts

1 site in 1 country.

Spain1 site
  • Universidad Católica San Antonio

    Murcia

Other trials in Spain

About this study

Official title: Functional and Proprioceptive Status in Patients With Hemophilic Ankle Arthropathy. A Case-control Study

Introduction: Hemophilic ankle arthropathy is manifested by functional degenerative alterations (muscle strength deficit, mobility and proprioception), intra-articular and chronic pain.

Design: Case-control study. Objective: To observe the differences between patients with hemophilic ankle arthropathy and their healthy peers, regarding dorsiflexion, dorsiflexion strength, biomechanical analysis of gait and balance, and functionality.

Read more

Patients: 10 patients with hemophilic ankle arthropathy and 12 healthy subjects without ankle joint damage.

Measurement instruments and study variables: dorsiflexion (range of motion), dorsiflexion strength (dynamometry), biomechanical analysis of gait and balance (RS SCAN® model platform), and functionality (2 Minute Walk Test).

Expected results: Analyze the main differences and their relationship based on the clinical and independent variables of patients with hemophilia, compared to their healthy peers.

Conditions
Haemophilia
Being tested
Hemophilia group
Keywords
Hemophilic arthropathy, Ankle, Joint pain, Functionality, Range of motion, Proprioception
Medical subject headings
Hemophilia A, Arthralgia

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Hemophilia groupOther

    Evaluation of the study variables: dorsal flexion; dorsiflexion strength; tibialis anterior muscle activation; biomechanical analysis of gait and balance; and functionality.

Study groups in NCT05425888
Study groupRoleWhat they receive
Hemophilia groupGroup of adult patients with hemophilia, diagnosed with bilateral hemophilic ankle arthropathy
Receives: Other: Hemophilia group
Control groupGroup of healthy subjects with sociodemographic characteristics similar to patients with hemophilia, diagnosed with bilateral hemophilic ankle arthropathy.
Receives: Other: Hemophilia group

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Assess the dorsal flexion with numerical scale of range of motion

    Measurement with Leg Motion system. Subjects will stand with the big toe on the starting line and the knee touching a metal stick. The metal rod will move away from the foot up to the maximum ankle dorsiflexion allowed, without taking the heel off the ground and with knee contact on the rod. Three measurements will be made for each ankle and the mean value will be used for data analysis. All measurements will be made with the patient barefoot.

    Measured: Screening visit

  2. Assess the dorsiflexion strength with dynamometry

    The maximal isometric strength of the ankle flexor muscles will be tested. Both extremities will be evaluated with a manual dynamometer (model Lafayette Manual Muscle Tester 01165). The examiner will hold the dynamometer on the sole of the foot while the subject exerts maximal force against it. The unit of measurement of this measurement instrument is the Newton per square centimeter (N/cm2), where the higher the score, the greater the muscle force.

    Measured: Screening visit

Secondary outcomes (2)
  1. Assess the biomechanical analysis of gait and balance with pressure platform

    It will be evaluated using an Rs Scan® pressure platform and FootScan® pressure measurement system. This scientific version biomechanical examination device measures plantar pressure using an X-Y array of resistive pressure sensitive sensors that are scanned sequentially. The system records pressure data when the subject is standing or walking on the platform. Measurements will be made with the basic 0.5m platform with 4,096 sensors with resistive technology and 300Hz data acquisition frequency. The biomechanics of walking will be analyzed with the analysis of the probes and the static balance in a time of 30 seconds

    Measured: Screening visit

  2. Assess the functionality with pressure platform

    The 2-Minute Walking Test will be used. The functional capacity to exercise, in clinical practice, will be evaluated by means of a modified version, used in populations with pathologies with special characteristics, of the 6-minute version. It will be carried out in a closed corridor, with a length of 30 m delimited between cones. Before the test, participants must rest for at least 10 minutes. Subsequently, they will be instructed to complete the circuit by walking around the cones as fast as possible, but without running, for 2 minutes. They will be allowed to use walking aids, slow down or stop to rest if necessary. The distance covered at the end of the 2 minutes will be recorded by the evaluator. This instrument has shown excellent test-retest reliability.

    Measured: Screening visit

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted21 Jun 2022
  2. Study start22 Jun 2022
  3. Primary completion18 Nov 2022
  4. Study completion23 Dec 2022

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Case-control
Time perspective
Prospective
Enrolment
32 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05425888
Sponsor's protocol ID
He-AnkleCon
Status last verified
Feb 2024
First submitted
10 Jun 2022
Last updated
9 Feb 2024
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided

Questions about this trial

What is this clinical trial studying?

An observational study of Haemophilia, run by Investigación en Hemofilia y Fisioterapia at 1 site in Spain.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 6 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 9 Feb 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Spain. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Assess the dorsal flexion with numerical scale of range of motion (time frame: Screening visit). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 9 Feb 2024.

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