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Development of a Clinical Screening, Diagnostic and Evaluation Tool for Patients With Lower Limb Lymphedema: Aim 4 (EvaLymph-Leg4)

C

Catholic University (KU) of Leuven

Status

Not yet enrolling

Conditions

Lower Limb Lymphedema

Treatments

Diagnostic Test: 2 clinical evaluations with 1 month in between

Study type

Observational

Funder types

Other

Identifiers

NCT06038864
s66033-aim4

Details and patient eligibility

About

Research investigating measurement properties for evaluating the decongestive treatment effect on different edema characteristics (e.g. water volume, hardness of the skin, water content,..) at the level of the lower limbs is missing. Information about the clinical relevant change criteria after treatment for nearly all these edema characteristics, is not present and requires investigation.

To assess the merits of each treatment in a reproducible manner, a reliable way of measuring limb volume and other edema characteristics must be established, as the evaluation of treatment effects without appropriate tools might lead to biased treatment effects.

First of all, in clinical practice, it is of utmost importance to know which edema characteristics need to be evaluated in order to assess the clinical evolution of a patient with lymphedema during and after treatment. Secondly, in order to draw proper conclusions about the treatment effect, it is necessary that to know from which criterion (or cut-off value) one can speak of a real clinical change for a certain lymphedema characteristic. Given that the edema characteristics that are most responsive to treatment and their corresponding criteria for clinically significant and relevant changes at the lower limbs have never been investigated before, the need for this research is high.

Therefore, the research questions in this study are: Which measurement tool(s) are able to detect clinically relevant changes in the lymphedema characteristics after the intensive treatment and during the maintenance treatment? When can a clinician speak of a clinically relevant change?

Enrollment

120 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Intensive treatment group

    • Unilateral or bilateral, primary or secondary LLL
    • No active metastases
    • If cancer-related lymphedema, time interval since surgery/ radiotherapy/ chemotherapy is ≥3 months
    • Objective diagnosis of lymphedema: ≥ 5% volume difference OR ≥ 2 minor/ 1 major criteria on lymphoscintigraphy OR presence of ICG dermal backflow
    • Age ≥ 18 years
    • Able to read, understand and speak Dutch
    • Planned to start with intensive decongestive lymphatic therapy at one or both legs
  • Maintenance treatment group

    • See inclusion criteria 'intensive treatment group'
    • But: instead of patients planned to start with intensive lymphatic therapy, patients of this group should have ended their intensive treatment phase at least 3 months ago (= currently receiving maintenance decongestive lymphatic therapy)

Exclusion criteria

  • Pregnant participants
  • Presence of chronic venous insufficiency C4, C5, C6; deep venous thrombosis; post-thrombotic syndrome
  • Presence of skin infections of wounds at the level of the lower limbs at the moment of inclusion

Trial design

120 participants in 2 patient groups

Intensive group
Description:
Patients with lower limb lymphoedema planned for intensive treatment
Treatment:
Diagnostic Test: 2 clinical evaluations with 1 month in between
Maintenance group
Description:
Patients with stable lower limb lymphoedema who are in the maintenance phase (at least 3 months)
Treatment:
Diagnostic Test: 2 clinical evaluations with 1 month in between

Trial contacts and locations

2

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Central trial contact

Tessa De Vrieze, Dr.; Nele Devoogdt, Prof. Dr.

Data sourced from clinicaltrials.gov

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