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. 2020 Feb;6(1):10.15761/crt.1000293.
doi: 10.15761/crt.1000293. Epub 2020 Feb 28.

A retrospective analysis of commonly prescribed medications and the risk of developing breast cancer related lymphedema

Eelco Fj Meijer  1   2   3 , Echoe M Bouta  1   2   3 , Clive Mendonca  4 , Melissa N Skolny  2   3 , Laura W Salama  2   3 , Alphonse G Taghian  2   3 , Timothy P Padera  1   2   3
Affiliations

A retrospective analysis of commonly prescribed medications and the risk of developing breast cancer related lymphedema

Eelco Fj Meijer et al. Clin Res Trials. 2020 Feb.

Abstract

Objectives: Breast cancer related lymphedema (BCRL) is a common complication of current breast cancer treatment modalities, significantly lowering quality of life for these patients and often leading to recurrent infections. Here, based on pre-clinical literature, we aim to retrospectively evaluate the risks of prescribed medications on BCRL development.

Methods: All post-operative breast cancer patients who received radiotherapy from 2005-2013 at Massachusetts General Hospital and developed lymphedema(n=115) were included in the analysis. Comparable patients without lymphedema(n=230) were randomly selected as control. The following classes of medications were analyzed: NSAIDs, corticosteroids, angiotensin system inhibitors, calcium channel blockers and hormonal therapy. Known risk factors for lymphedema development were included as variables, including BMI, age at diagnosis, type of surgery, number of lymph nodes removed and radiation therapy. Outcomes were BCRL development and lymphedema severity.

Results: Similarly, to previous studies, we found that an increase in BMI increases the risk of BCRL(p=0.006) and axillary lymph node dissection has a higher risk of developing BCRL compared to sentinel lymph node biopsy(p=0.045). None of the drugs studied increased the risk of BCRL development or lymphedema severity. However, lymphedema severity was positively correlated with the number of lymph nodes removed(p=0.034).

Conclusion: We found that anti-inflammatory drugs, anti-hypertensive drugs and hormonal therapy taken during the year postoperatively do not increase the risk of BCRL development or lymphedema severity in breast cancer patients. While others have demonstrated that the number of lymph nodes removed during surgery increases the risk of BCRL, we found it also correlates to lymphedema severity.

Keywords: BCRL; breast cancer; lymphedema; severity; treatment.

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Conflict of interest statement

Conflict of interest The authors declare that they have no conflict of interest. CM did not receive any payments for his contributions. Declarations of interest None.

Figures

Figure 1.
Figure 1.
Linear correlation between RVC and number of lymph nodes (LNs) removed Multiple regression was performed with the arm RVC outcome and the potential risk factors from Table 1. Only the number of LNs removed was correlated to RVC and is plotted here as a univariate.
See this image and copyright information in PMC

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