I én undersøgelse udviklede 29% af læsionerne, som havde nået et partielt respons (PR), men ikke opnået klinisk komplet respons (CCR) inden for de første 12 uger af behandlingen, et CCR ved fortsat behandling ud over de 12 uger.
In one trial, 29% of the lesions that had reached a partial response (PR) but had not attained clinical complete response (CCR) within the first 12 weeks of treatment developed a CCR during continuing treatment beyond 12 weeks.