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Clinical Trial Summary

Breast-cancer related lymphoedema (BCRL) is a common phenomenon. Early diagnosis and treatment is very important to alter the normal progression of this disease. A threshold (>= 3% volume change) that recognizes subclinical lymphedema is promoted. When the lymphedema is diagnosed late, options for treatment are diminished as fibrous tissue is formed. Preoperative investigation with near-infrared fluorescence lymphography can show an abnormality. Even if a linear transport is visualized, velocity of the transport can be diminished or a different pathway than normal can be visualized. Such an extensive evaluation has not been performed yet. This lymphofluoroscopy gives an opportunity to detect lymphedema earlier than clinically visible (subclinical). The investigators hypothesize that the evolution of lymphedema can be altered if treatment is started in the subclinical phase.


Clinical Trial Description

Breast-cancer related lymphoedema (BCRL) is a common phenomenon. Estimates of incidence rates have varied over time, especially since the progression to less invasive techniques as sentinel node procedures and radiotherapy. According to a review article of DiSipio the incidence of arm lymphedema was about four times higher in women who had an axillary lymph node dissection (18 studies; 19.9%, 13.5-28.2) than in those who had sentinel lymph node biopsy (18 studies; 5.6%, 6.1-7.9). Several other risk factors are already suggested as having a negative impact on the development of lymphedema such as BMI and chemotherapy. A comprehensive overview of all treatment related risk factors and patient related risk factors, including demographics, has not been reported yet. Lymphedema is identified with upper limb volume measurements eg circumference measurements, water displacement and perometer. Bioimpedance spectroscopy can also be used to assess the extracellular fluid. A 10% limb volume change has been reported as the most accurate threshold to diagnose lymphedema. However, with this definition an underestimation of the incidence rate of lymphoedema is made. Therefore, recently a threshold of 5% limb volume change is proposed. A study by Rockson et al suggested that in almost 75 % of the cases, lymphoedema is established in the first year after breast cancer treatment. But up to two years after surgery, there still is a possibility to develop lymphoedema. Early diagnosis and treatment is very important to alter the normal progression of this disease. A threshold (>= 3% volume change) that recognizes subclinical lymphedema is promoted. When the lymphedema is diagnosed late, options for treatment are diminished as fibrous tissue is formed. During near-infrared fluorescence lymphography (lymphofluoroscopy), a fluorescent substance is injected subcutaneously in the hand and the transport of lymph is visualized from the hand up to the axilla. A normal transport is defined as a linear image and an abnormal transport as a dermal backflow image. The dermal backflow image is divided in three different classifications according to the severity. Preoperative investigation with near-infrared fluorescence lymphography can show an abnormality. Even if a linear transport is visualized, velocity of the transport can be diminished or a different pathway than normal can be visualized. Such an extensive evaluation has not been performed yet. This lymphofluoroscopy gives an opportunity to detect lymphedema earlier than clinically visible (subclinical). The investigators hypothesize that the evolution of lymphedema can be altered if treatment is started in the subclinical phase. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03210311
Study type Interventional
Source Universitaire Ziekenhuizen Leuven
Contact Sarah Thomis, MD
Phone 003216346948
Email sarah.thomis@uzleuven.be
Status Recruiting
Phase N/A
Start date October 9, 2017
Completion date April 1, 2023

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