Lonsurf is a pill that combines two drugs (trifluridine and tipiracil), for patients with advanced colorectal cancer.
Lonsurf has been shown to improve survival in patients with advanced colorectal cancer who have exhausted other therapies.
Lonsurf is a twice a day oral therapy taken for 10 out of 28 days.
It does have side-effects which include neutropenia, anaemia, thrombocytopenia and tiredness. Other side-effects include those typically seen with other fluoropyrimidines such as 5FU.