Increased waist circumference, high body mass index (BMI) and type 2 diabetes mellitus were associated with increased risk for liver cancer in a large prospective cohort study.
Peter Campbell, PhD, strategic director of Digestive System Cancer Research at the American Cancer Society is the lead author along with Katherine A. McGlynn, PhD, MPH, a senior investigator in the Metabolic Epidemiology Branch at the National Cancer Institute.
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‘Liver cancer rates have approximately tripled in the United States since the mid-1970s and the prognosis for patients diagnosed with this type of cancer is especially grim.’
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"Liver cancer rates have approximately tripled in the United States since the mid-1970s and the prognosis for patients diagnosed with this type of cancer is especially grim," said Campbell.
Given that obesity rates are increasing in the United States, his team studied whether obesity, as measured by BMI and waist circumference, and type 2 diabetes mellitus--an obesity related disease--are associated with liver cancer risk in a combined sample of U.S. adults from 14 different studies.
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Clinicians treating patients with advanced liver cancer have been offered a way of determining which patients may benefit most from the targeted therapy sorafenib.
Campbell and colleagues pooled data from 1.57 million adults enrolled in 14 different U.S.-based prospective studies. At enrollment, participants completed questionnaires related to their height, weight, alcohol intake, tobacco use, and other factors potentially related to cancer risk. None of them had cancer at enrollment.
Type 2 diabetes mellitus was diagnosed in 6.5 percent of the study participants. Over time, 2,162 developed liver cancer, which the study authors had verified. The researchers compared the rates of liver cancer among participants with and without obesity and diabetes to determine the relative risks of liver cancer.
Results: For every 5 kg/m2 increase in BMI, there was a 38 and 25 percent increase in the risk for liver cancer in men and women, respectively; the increase in risk was 8 percent for every 5 cm increase in waist circumference.
When adjusted for alcohol intake, smoking, race, and BMI, participants with type 2 diabetes mellitus were 2.61 times more likely to be diagnosed with liver cancer, and the risk increased with increase in BMI.
"We found that each of these three factors was associated, robustly, with liver cancer risk. All three relate to metabolic dysfunction," Campbell said. "This adds substantial support to liver cancer being on the list of obesity-associated cancers." The findings also add further evidence to support public health efforts aimed at curbing obesity, Campbell noted.
"This is yet another reason to maintain a body weight in the 'normal' range for your height," he said. He added that the findings are also consistent with other data indicating that obesity and diabetes might be playing a role in the rapid increase in liver cancer in recent decades. "Liver cancer isn't simply related to excess alcohol intake and viral hepatitis infection."
Campbell added, "The lifetime risk for liver cancer in the United States is about 1 percent; approximately eight adults per 100,000 will develop liver cancer in a given year. For adults with type 2 diabetes mellitus, their risk of developing liver cancer is more than doubled relative to those who do not have type 2 diabetes mellitus, according to this study."
McGlynn said, "From a public health perspective, these results are very important because obesity and diabetes, unfortunately, are common conditions in the population. While some other well-described risk factors, such as hepatitis B virus or hepatitis C virus, are associated with increased risks of liver cancer, these factors are much less common than are obesity and diabetes."
Source: Eurekalert
Clinicians Guide to Select Best Therapy for Patients With Advanced Liver Cancer
Clinicians treating patients with advanced liver cancer have been offered a way of determining which patients may benefit most from the targeted therapy sorafenib.
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Campbell and colleagues pooled data from 1.57 million adults enrolled in 14 different U.S.-based prospective studies. At enrollment, participants completed questionnaires related to their height, weight, alcohol intake, tobacco use, and other factors potentially related to cancer risk. None of them had cancer at enrollment.
Type 2 diabetes mellitus was diagnosed in 6.5 percent of the study participants. Over time, 2,162 developed liver cancer, which the study authors had verified. The researchers compared the rates of liver cancer among participants with and without obesity and diabetes to determine the relative risks of liver cancer.
Results: For every 5 kg/m2 increase in BMI, there was a 38 and 25 percent increase in the risk for liver cancer in men and women, respectively; the increase in risk was 8 percent for every 5 cm increase in waist circumference.
When adjusted for alcohol intake, smoking, race, and BMI, participants with type 2 diabetes mellitus were 2.61 times more likely to be diagnosed with liver cancer, and the risk increased with increase in BMI.
"We found that each of these three factors was associated, robustly, with liver cancer risk. All three relate to metabolic dysfunction," Campbell said. "This adds substantial support to liver cancer being on the list of obesity-associated cancers." The findings also add further evidence to support public health efforts aimed at curbing obesity, Campbell noted.
"This is yet another reason to maintain a body weight in the 'normal' range for your height," he said. He added that the findings are also consistent with other data indicating that obesity and diabetes might be playing a role in the rapid increase in liver cancer in recent decades. "Liver cancer isn't simply related to excess alcohol intake and viral hepatitis infection."
Campbell added, "The lifetime risk for liver cancer in the United States is about 1 percent; approximately eight adults per 100,000 will develop liver cancer in a given year. For adults with type 2 diabetes mellitus, their risk of developing liver cancer is more than doubled relative to those who do not have type 2 diabetes mellitus, according to this study."
McGlynn said, "From a public health perspective, these results are very important because obesity and diabetes, unfortunately, are common conditions in the population. While some other well-described risk factors, such as hepatitis B virus or hepatitis C virus, are associated with increased risks of liver cancer, these factors are much less common than are obesity and diabetes."
Source: Eurekalert
Monitoring Sugar Metabolism in Liver - A Key Diagnostic Marker for Liver Cancer
Scientists may have discovered a significant new diagnostic marker for liver cancer, revealed a paper published in Nature Cell Biology .
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 Eat Broccoli to Ward Off Liver Cancer RiskHigh consumption of fat and sugar are linked to the development of liver cancer. A diet rich in broccoli was found to reverse liver damage and reduce cancer risk. | Advertisement
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