Freedom from progression according to UGT1A1 (TA) repeats, UGT1A1 TA6/TA6 (patients with (TA)6 wild-type phenotype TA6/TA6) and UGT1A1*28 (patients with at least 1 (TA)7 allele: 67 or 77). FFP (A) and FFTF (B) according to UGT1A1 (TA) repeats, UGT1A1 TA6/TA6 (patients with (TA) 6 wild-type phenotype: TA6/TA6) and UGT1A1*28 (patients with at least 1 (TA) 7 allele: 67 or 77).