Abstract P5-11-10: Gonadotropins Plasma Levels Are Significantly Influenced by Body Mass Index in Postmenopausal Breast Cancer Patients Undergoing Endocrine Therapy with Aromatase Inhibitors: Is This a Surrogate Marker for Serum Estrogen Bioactivity?

Author(s):  
M Hubalek ◽  
A Oberguggenberger ◽  
B Beer ◽  
V Meraner ◽  
H Oberacher ◽  
...  
2015 ◽  
Vol 33 (28_suppl) ◽  
pp. 94-94
Author(s):  
Raquel E. Reinbolt ◽  
Xueliang Jeff Pan ◽  
Kaitlin K. Wandell ◽  
Robert Pilarski ◽  
Rachel M. Layman ◽  
...  

94 Background: Weight gain concerns breast cancer patients, can impact quality of life, may lead to therapy non-adherence, and is associated with increased recurrence risk and mortality. Early placebo-controlled trials did not identify a clear correlation between Tamoxifen (TAM) and weight gain; gain due to aromatase inhibitors (AIs) is not well characterized. We hypothesized that weight gain occurs more frequently than previously reported in breast cancer patients receiving endocrine therapy. Methods: This is a retrospective chart review investigating body mass index (BMI) change in women after breast cancer therapy. Patients with early stage breast cancer and whom had BMI and treatment data (at least 90 days) from 2003-2012 were identified in The Columbus Breast Cancer Tissue Bank. Patients were separated by treatment received: chemotherapy with and without endocrine therapy vs. endocrine therapy alone (including both TAM and AIs) vs. no other treatment. Results: A total of 970 subjects were included in the analysis. At diagnosis and/or treatment initiation, patients’ mean BMI was 29.2 ± 7.0 kg/m2; mean age 53.7± 11.6 years; and average length of therapy/follow up per patient, 1833 days (range 90-3,990). Patients who received an AI alone had significantly decreased BMIs during therapy (-0.65± 0.29 kg/m2, p = 0.025), whereas patients receiving chemotherapy alone, chemotherapy with TAM, or TAM followed by AI therapy, had significantly increased BMIs (0.51 ± 0.25, 0.73 ± 0.26, 1.01 ± 0.51 kg/m2; p = 0.039, 0.005, 0.045, respectively). Both older age and a higher BMI at diagnosis were associated with a significantly greater decline in BMI over treatment time (p < 0.001 and p < 0.001, respectively). In a multivariate regression model, after adjusting for age and initial BMI effect, the BMI change noted among different treatment groups was no longer significantly different (p = 0.43). BMI change was not statistically associated with treatment length (p = 0.26). Conclusions: Our review of a large, early stage breast cancer patient cohort showed no association between weight gain and endocrine therapy after adjusting for the effect of initial BMI and age at diagnosis. Additional study is needed to identify other factors impacting weight in this population.


The Breast ◽  
2017 ◽  
Vol 32 ◽  
pp. S89-S90
Author(s):  
V. Liberale ◽  
T. Romenskaya ◽  
L. Fuso ◽  
L.G. Sgro ◽  
L. Ottino ◽  
...  

2010 ◽  
Vol 28 (15_suppl) ◽  
pp. 512-512 ◽  
Author(s):  
G. Pfeiler ◽  
R. Königsberg ◽  
C. F. Singer ◽  
M. Seifert ◽  
P. C. Dubsky ◽  
...  

Background: Breast Cancer is one of the leading causes of death worldwide. Pakistan alone has the highest rate of Breast Cancer than any other Asian country as approximately 90000 new cases are diagnosed every year out of which 40000 dies. Obesity is also a critical public health problem growing with every passing year in Pakistan and worldwide. Research studies are being conducted worldwide regarding the relation between the two problems. Objective: The objective of this study is to determine the prevalence of obesity in breast cancer patients in a tertiary care hospital in Karachi, Pakistan. Methods: BMI is used as a screening tool for overweight and obesity. According to World Health Organization, a body mass index (BMI) over 25 is considered overweight, and over 30 is obese. A retrospective analysis of 262 patients diagnosed with Breast Cancer during 2019 and 2020 was performed. Patients’ hospital records in Oncology were reviewed. The weight in kilograms and height in centimeters of patients were reviewed. Their BMI was calculated and recorded using the SPSS system. Results: The median BMI was 28.25 kg/m2 with an interquartile range of 25.15 - 31.99 kg/m2. Nearly 80% of the study participants had body mass index higher than normal levels (n=203, 77.5%) and out of them approximately half were overweight (n=104, 51.2%) and the remaining were obese (n=99, 48.7%). Conclusion: We conclude from our study that body mass index is positively correlated with breast cancer occurrence and thus the proportion of females having BMI >= 25 was significantly higher among patients.


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