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Small Daily Aspirin Dose 'cuts Cancer Risk'


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Small daily aspirin dose 'cuts cancer risk'

 

_49311722_walsh_bbc.jpg By Fergus Walsh Medical

correspondent, BBC News

 

_50316709_jex_891611_de01-1.jpg

 

Prof Peter Rothwell explains why taking aspirin reduces the

risk of dying from cancer

 

 

A small daily dose of aspirin - 75mg

- substantially reduces death rates from a range of common cancers, a study

suggests.

 

Research at Oxford University and other centres found that it cut overall

cancer deaths by at least a fifth.

 

The study, published in the Lancet, covered some 25,000 patients, mostly from

the UK.

 

Experts say the findings show aspirin's benefits often outweighed its

associated risk of causing bleeding.

 

Aspirin is already known to cut the risk of heart attack and stroke among

those at increased risk. But the protective effects against cardiovascular

disease are thought to be small for healthy adults, and aspirin increases the

risks of stomach and gut bleeds.

 

 

However, this latest research shows that when weighing up the risks and benefits of taking

aspirin, experts should also consider its protective effect against cancer.

 

Those patients who were given aspirin had a 25% lower risk of death from

cancer during the trial period and a 10% reduction in death from any cause

compared to patients who were not given the drug.

Lasting protection

 

The treatment with aspirin lasted for between four and eight years, but long

term-follow-up of around 12,500 patients showed the protective effect continued

for 20 years in both men and women.

 

 

Continue reading the main story

“Start Quote

We encourage anyone interested in taking aspirin on a

regular basis to talk to their GP firstâ€

End Quote Ed Young Cancer Research UK

 

 

Lead researcher Professor Peter Rothwell said the

findings might well underestimate the reduction in deaths that would result from

longer-term treatment with aspirin.

 

The risk of cancer death was reduced by 20% over 20 years. For individual

cancers the reduction was about 40% for bowel cancer, 30% for lung cancer, 10%

for prostate cancer and 60% for oesophageal cancer.

 

The reductions in pancreas, stomach and brain cancers were difficult to

quantify because of smaller numbers of deaths.

 

There was also not enough data to show an effect on breast or ovarian cancer

and the authors suggest this is because there were not enough women in the

trials. Large-scale studies investigating the effects on these cancers are under

way.

 

Professor Rothwell said he was not urging healthy middle-aged adults to

immediately start taking aspirin, but said the evidence on cancer "tips things

towards it being well worth it". The benefit in cancer reduction were found from

a low daily dose of 75mg.

 

Professor Rothwell said the annual risk of major internal bleeding was about

1 in 1,000 and aspirin roughly doubled that risk. But he said the danger of

major bleeding was "very low" in middle age but increased dramatically after

75.

 

Continue reading the main story

“Start Quote

Aspirin should be thought of in the same context as

lifestyle changes such as diet and exercise which can help to preserve

healthâ€

End Quote Professor Peter Elwood Cardiff University

 

A sensible time to consider starting daily aspirin use

would be between 45-50, continuing for around 25 years, he said.

 

Cancer Research UK described the results as "promising". But Ed Yong, head of

health information and evidence, said: "We encourage anyone interested in taking

aspirin on a regular basis to talk to their GP first."

 

Professor Peter Elwood, an epidemiologist from Cardiff University, who

carried out some of the first studies into the effects of aspirin on health,

said individuals should make up their own minds:

 

"Aspirin should be thought of in the same context as lifestyle changes such

as diet and exercise which can help to preserve health."

 

Professor Elwood said taking aspirin at night and with calcium seemed to

enhance its effects. He suggested taking it with a glass of milk as this could

also reduce stomach irritation.

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