Dataset Information

Abdominal and gluteofemoral size and risk of liver cancer: The liver cancer pooling project.

ABSTRACT: Obesity is known to be associated with primary liver cancer (PLC), but the separate effects of excess abdominal and gluteofemoral size are unclear. Thus, we examined the association between waist and hip circumference with risk of PLC overall and by histologic type-hepatocellular carcinoma (HCC) and intrahepatic cholangiocarcinoma (ICC). The Liver Cancer Pooling Project is a consortium of prospective cohort studies that include data from 1,167,244 individuals (PLC n = 2,208, HCC n = 1,154, ICC n = 335). Multivariable-adjusted hazard ratios (HRs) and 95% confidence intervals (CI) were estimated using proportional hazards regression. Waist circumference, per 5 cm increase, was associated with an 11% increased PLC risk (HR = 1.11, 95%CI: 1.09-1.14), including when adjusted for hip circumference (HR = 1.12, 95%CI: 1.08-1.17) and also when restricted to individuals in a normal body mass index (BMI) range (18.5 to <25 kg/m² ; HR = 1.14, 95%CI: 1.07-1.21). Hip circumference, per 5 cm increase, was associated with a 9% increased PLC risk (HR = 1.09, 95%CI: 1.06-1.12), but no association remained after adjustment for waist circumference (HR = 0.99, 95%CI: 0.94-1.03). HCC and ICC results were similar. These findings suggest that excess abdominal size is associated with an increased risk of liver cancer, even among individuals considered to have a normal BMI. However, excess gluteofemoral size alone confers no increased risk. Our findings extend prior analyses, which found an association between excess adiposity and risk of liver cancer, by disentangling the separate effects of excess abdominal and gluteofemoral size through utilization of both waist and hip circumference measurements.

SUBMITTER: Florio AA

PROVIDER: S-EPMC7391795 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Abdominal and gluteofemoral size and risk of liver cancer: The liver cancer pooling project.

Florio Andrea A AA Campbell Peter T PT Zhang Xuehong X Zeleniuch-Jacquotte Anne A Wactawski-Wende Jean J Smith-Warner Stephanie A SA Sinha Rashmi R Simon Tracey G TG Sesso Howard D HD Schairer Catherine C Rosenberg Lynn L Rohan Thomas E TE Robien Kim K Renehan Andrew G AG Purdue Mark P MP Poynter Jenny N JN Palmer Julie R JR Newton Christina C CC Lu Yunxia Y Linet Martha S MS Liao Linda M LM Lee I-Min IM Koshiol Jill J Kitahara Cari M CM Kirsh Victoria A VA Hofmann Jonathan N JN Graubard Barry I BI Giovannucci Edward E Gaziano John M JM Gapstur Susan M SM Freedman Neal D ND Demuth Jane J Chong Dawn Q DQ Chan Andrew T AT Buring Julie E JE Bradshaw Patrick T PT Beane Freeman Laura E LE McGlynn Katherine A KA Petrick Jessica L JL

International journal of cancer 20191223 3

Obesity is known to be associated with primary liver cancer (PLC), but the separate effects of excess abdominal and gluteofemoral size are unclear. Thus, we examined the association between waist and hip circumference with risk of PLC overall and by histologic type-hepatocellular carcinoma (HCC) and intrahepatic cholangiocarcinoma (ICC). The Liver Cancer Pooling Project is a consortium of prospective cohort studies that include data from 1,167,244 individuals (PLC n = 2,208, HCC n = 1,154, ICC n ...[more]

PMID: 31677159

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Project description:Background & aimsIncidence rates of liver cancer in most populations are two to three times higher among men than women. The higher rates among men have led to the suggestion that androgens are related to increased risk whereas oestrogens are related to decreased risk. This hypothesis was investigated in the present study via a nested case-control analysis of pre-diagnostic sex steroid hormone levels among men in five US cohorts.MethodsConcentrations of sex steroid hormones and sex hormone-binding globulin were quantitated using gas chromatography-mass spectrometry and a competitive electrochemiluminescence immunoassay, respectively. Multivariable conditional logistic regression was used to calculate odds ratios (ORs) and 95% CIs for associations between hormones and liver cancer among 275 men who subsequently developed liver cancer and 768 comparison men.ResultsHigher concentrations of total testosterone (OR per one-unit increase in log2 = 1.77, 95% CI = 1.38-2.29), dihydrotestosterone (OR = 1.76, 95% CI = 1.21-2.57), oestrone (OR = 1.74, 95% CI = 1.08-2.79), total oestradiol (OR = 1.58, 95% CI=1.22-20.05), and sex hormone-binding globulin (OR = 1.63, 95% CI = 1.27-2.11) were associated with increased risk. Higher concentrations of dehydroepiandrosterone (DHEA), however, were associated with a 53% decreased risk (OR = 0.47, 95% CI = 0.33-0.68).ConclusionsHigher concentrations of both androgens (testosterone, dihydrotestosterone) and their aromatised oestrogenic metabolites (oestrone, oestradiol) were observed among men who subsequently developed liver cancer compared with men who did not. As DHEA is an adrenal precursor of both androgens and oestrogens, these results may suggest that a lower capacity to convert DHEA to androgens, and their subsequent conversion to oestrogens, confers a lower risk of liver cancer, whereas a greater capacity to convert DHEA confers a greater risk.Impact and implicationsThis study does not fully support the current hormone hypothesis as both androgen and oestrogen levels were associated with increased risk of liver cancer among men. The study also found that higher DHEA levels were associated with lower risk, thus suggesting the hypothesis that greater capacity to convert DHEA could be associated with increased liver cancer risk among men.

Dataset Information

Abdominal and gluteofemoral size and risk of liver cancer: The liver cancer pooling project.

Publications

Abdominal and gluteofemoral size and risk of liver cancer: The liver cancer pooling project.

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