Table 1 - Demographic characteristics of the two groups (n = 52)
A-B (n = 26)
B-A (n = 26)
Sex
Male
18
17
Female
8
9
Median age, yr (range)
55.5 (28-69)
54 (31-70)
ECOG performance status
0
15
12
1
11
14
Primary tumor
Gastric cancer
13
Colorectal cancer
16
Others
2
Table 2 - Efficacy of both groups on nausea
Observation
Group
Nausea score
CRR
ER
period
-
+
++
+++
%
P
Day 1
A
34
10
6
68.0
0.373
88.0
0.505
B
38
4
76.0
92.0
Day 2
21
24.0
0.004
66.0
0.009
26
5
52.0
Day 3
20
0.001
64.0
0.005
29
58.0
Day 4
3
36.0
0.016
70.0
0.053
30
7
60.0
86.0
Day 5
27
54.0
0.309
78.0
0.050
32
CRR,complete response rate, calculated as the percentage of no nausea (-); ER, effective rate, calculated as the percentage of sum of no nausea (-) and slight nausea but no influence on food intake (+), namely [(-) + (+ )].
Table 3 - Efficacy of both groups on vomiting
Antiemetic efficacy
CR
PR
MR
F
44
0.485
98.0
1.000*
47
94.0
33
0.019
90.0
0.433*
43
96.0
28
56.0
0.035
84.0
0.110
0.068
41
82.0
0.182
CR, complete response; PR, partial response; MR, minor response; F, treatment failure; CRR, complete response rate; ER, effective rate, the percentage of (CR+PR).
*Continuity correction.
Table 4 - Efficacy of both groups on anorexia
Anorexia score
0.271
0.712*
25
30.0
80.0
0.084
19
62.0
0.000
24
72.0
0.022
40.0
0.046
CRR, complete response rate, the percentage of anorexia score (-); ER, effective rate, the percentage of anorexia score [(-)+(+)].
Table 5 - Summary of adverse events occurring in 5% or more of patients in the two treatment groups [no.(%)]
Group A (n = 52)
Group B (n = 50)
Constipation
12 (23.1)
10 (20)
0.706
Headache
6 (11.5)
5 (10)
0.802
Peripheral neurology
11 (21.2)
9 (18)
0.688
Hot flushing
9 (17.3)
8 (16)
0.859
Sedation/dizziness
5 (9.6)
21 (42)
In parenthesis, percentage.