Once daily, 1 week AK lesion reduction from baseline: 28.8 Complete clearance: 0 AK lesion reduction from baseline: 62.6 Complete clearance: 18.1 <0.001 <0.001 In 5-FU group application, site ...

Immunotherapy. 2012;4(9):939-945. The percentage of patients achieving complete clearance of their AKs in the 5-FU group was 19, 28.2 and 52.6% in the 1-, 2- and 4-week treatment groups, respectively.