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. Author manuscript; available in PMC: 2015 Jul 31.
Published in final edited form as: Clin Cancer Res. 2011 Oct 25;17(24):7743–7753. doi: 10.1158/1078-0432.CCR-11-1540

Table 2. Number of patients with grade 3 or 4 nonhematologic toxicities per topotecan dose level.

Dose level

1 2 3 4 5 6 7 8 Expanded MTD cohort
10 mg/m2 15 mg/m2 20 mg/m2 27 mg/m2 36 mg/m2 48 mg/m2 64 mg/m2 85 mg/m2
n = 4 n = 6 n = 4 n = 5 n = 9 n = 5 n = 7 n = 5 N = 16
Mucositis (grade 4) 1 (25%) 2 (33%) 2 (50%) 4 (80%) 5 (56%) 5 (100%) 7 (100%) 4 (80%) 15 (94%)
Number of days with grade 4 mucositis. median (range) 0 (0-1) 0 (0-10) 2.5 (0-6) 2 (0-7) 1 (0-20) 5 (1-9) 6 (4-11) 8 (0-12) 6 (0-20)
Enteritis 0 1 (17%) 3 (75%) 3 (60%) 4 (44%) 2 (40%) 4 (57%) 3 (60%) 5 (31 %)
Hematuria 0 1 (17%) 1 (25%) 0 0 0 1 (14%) 1 (20%) 0
Cortical function 0 1 (17%) 0 1 (20%) 1 (11 %) 0 0 0 2 (13%)
Peripheral nerve function 0 1 (17%) 0 0 0 0 1 (14%) 0 0
Reduction in ejection fraction 0 0 0 1 (20%) 0 0 0 1 (20%) 1 (6%)
Pulmonary clinical status 1 (25%) 1 (17%) 0 1 (20%) 0 0 0 0 1 (6%)
Nonrelapse deaths 0 0 0 0 0 0 1 (14%) 1 (20%) 2 (13%)
Fungal infection Septic shock Arrhythmia (1) and bacterial sepsis (1)