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The drug slows the decline in lung function, the leading cause of death for those with cystic fibrosis.

Thousands of patients who suffer from cystic fibrosis will now get access to a new drug on the NHS in England.

Vertex Pharmaceutical and NHS England reached an agreement to provide Orkambi and two other drugs to around 5,000 people.

Orkambi slows the decline in lung function, the most common cause of death for people with cystic fibrosis, and can be given to children as young as two.

It comes after a three year disagreement between the pharmaceutical firm and the NHS over the cost of the drug.

The deal also includes expanded access to the drugs Symkevi and Kalydeco, but cannot be used until a patient is 12 years old.

NHS chief executive Simon Stevens said the deal was a “long hoped-for moment”, while Health Secretary Matt Hancock said the deal was “great value for money” for the NHS.

There is estimated to be over 100,000 people who have cystic fibrosis in the UK.

It is a genetic condition which causes lung infections and problems digesting food.

There is currently no cure, with only half of sufferers living to the age of 32.