A pill has been found to almost double the survival time for advanced pancreatic cancer patients, with experts describing the trial as a game-changer.

The drug, called daraxonrasib, appears to be a breakthrough in managing a disease that has the highest mortality rate of all major cancers.

It helps prevent the spread of cancer by locking onto and shutting off the mutated KRAS gene, which is in more than 90% of pancreatic tumours and spurs cancer growth.

The trial, which included 500 patients in North America, Europe, and Asia, found the average survival time for patients on chemotherapy was 6.6 months, compared with 13.2 months for patients on daraxonrasib. It also caused fewer side effects.

"These results are landscape-changing for metastatic pancreatic cancer patients with a KRAS mutation," said Rachna Shroff, chief of the division of haematology/oncology at the University of Arizona Cancer Centre.

Pancreatic cancer is often spotted late and is notoriously difficult to treat. More than half of people with pancreatic cancer die within three months of diagnosis.

There are 11,500 diagnoses of the disease in Britain each year and around 10,200 deaths, according to Cancer Research UK. Actor Alan Rickman died of the disease in 2016, five months after diagnosis.

Symptoms can include jaundice, itchy skin, darker pee, paler poo, unexplained weight loss, tiredness and high temperature.

It can be difficult to diagnose because the symptoms often do not appear in the early stages and can point to other conditions.

The trial, led by American scientists and presented at the American Society of Clinical Oncology annual meeting in Chicago, involved 248 patients who received daraxonrasib and 252 who received chemotherapy.

Most had tumours with specific mutations of the KRAS gene.

As well as significantly extending the lives of patients, the drug, taken once daily, also caused fewer side-effects when compared to chemotherapy.

Severe side-effects were experienced by 43.6% of patients on daraxonrasib compared to 57.5% on chemotherapy.

Anna Jewell, director of services, research and innovation at Pancreatic Cancer UK, said the treatments were "some of the most exciting developments we have seen in pancreatic cancer for a very long time".

She added: "More time with those we love most is truly priceless. We must do everything possible to ensure the most promising new treatments are available here in the UK."

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Small pill doubles life span for pancreatic cancer patients

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