Melanoma: CheckMate 066 trial

Abbreviations

No EU-CTR

Investigated (inv)
Comparator (comp)

NIVO

DACA

210

208

Phase:

3

Randomisation:

Double blind

Primary tumour:

Melanoma

Subtype (biomarker):

Any

Stage:

meta

Line of therapy:

L1

Primary
NIVO
DACA
HR
p
OS (@1yr)
72.9 %
42.1%
0.42 (0.25-0.73)
<0.001
Secondaries
NIVO
DACA
HR
p
PFS
5.1 mo
2.2 mo
0.43 (0.34-0.56)
<0.001
ORR
40%
13.9%
4.06
<0.001
CR
7.6%
1.0%
DoR
NR
6.0 mo
(all grades, %)
NIVO
DACA
p
Fatigue
19.9
14.6
NA
Pruritus
17
5.4
NA
Nausea
16.5
41.5
NA
Diarrhea
16
15.6
NA
Rash
15
2.9
NA
Vitiligo
10.7
0.5
NA
AE leading to discontinuation
6.8
11.7
NA
Pyrexia
7.3
4.9
NA
Hypothyroidism
4.4
0.5
NA
Hyperthyroidism
3.4
0
NA
Constipation
10.7
12.2
NA
Vomiting
6.3
21.0
NA
Neutropenia
0
11.2
NA
Thrombocytopenia
0
10.2
NA
  • Inclusion
  • Exclusion

- Men and women ≥18 years of age - Eastern Cooperative Oncology Group Performance Status of 0 or 1 - Untreated and histologically confirmed unresectable Stage III or Stage IV melanoma, as per the staging system of the American Joint Committee on Cancer - Measurable disease as per Response Evaluation Criteria in Solid Tumors 1.1 - Tumor tissue from an unresectable or metastatic site of disease must be provided for biomarker analyses - Known BRAF wild-type, as per regionally acceptable V600 mutational status testing. BRAF mutant patients and those with indeterminate or unknown BRAF status are not permitted to randomize

- Active brain metastases or leptomeningeal metastases - Ocular melanoma - Any active, known, or suspected autoimmune disease

Characteristics
NIVO
DACA
Age & sex
Median agedc-comma yr (range)
64 (18 - 86)
66 (26 - 87)
Maledc-comma no.
121 (57.6%)
125 (60.1%)
Femaledc-comma no.
89 (42.4%)
83 (39.9%)
ECOG PS
0
148 (70.5%)
121 (58.2%)
1
60 (28.6%)
84 (40.4%)
2
1 (0.5%)
3 (1.4%)
Metastasis stage
M1c
128 (61.0%)
127 (61.1%)
M0dc-comma M1adc-comma or M1b
82 (39.0%)
81 (38.9%)
Lactate dehydrogenase
≤ULN
120 (57.1%)
125 (60.1%)
>ULN
79 (37.6%)
74 (35.6%)
≤2xULN
178 (84.8%)
177 (85.1%)
>2xULN
21 (10.0%)
22 (10.6%)
History of brain metastases
Yes
7 (3.3%)
8 (3.8%)
No
203 (96.7%)
200 (96.2%)
PD-L1 status (min. 5%)
Positive
74 (35.2%)
74 (35.6%)
Negative or indeterminate
136 (64.8%)
134 (64.4%)
BRAF status
Mutation
0.0
0.0
No mutation
202 (96.2%)
204 (98.1%)
Not reported
8 (3.8%)
4 (1.9%)
Prior systemic therapy
Adjuvant therapy
32 (15.2%)
36 (17.3%)
Neoadjuvant therapy
1 (0.5%)
1 (0.5%)
Geographic region
Europe or Canada
145 (69.0%)
145 (69.7%)
Israeldc-comma Australiadc-comma or South America
65 (31.0%)
63 (30.3%)
Ad-hoc:
no.pts inv.
no.pts comp.
NIVO
DACA
HR
p
  • OS (@1yr)
analisys of OS (@1yr)
NIVO
DACA
HR (95% CI)
PD-L1 status
positive
NR
12.39
0.30 (0.15-0.60)
negative or indeterminate
NR
10.22
0.48 (0.32-0.71)
M stage at study entry
M0/M1a/M1b
NR
12.39
0.31 (0.16-0.63)
M1c
NR
9.33
0.47 (0.32-0.71)
Age
< 65 yr
NR
11.17
0.52 (0.32-0.85)
≥ 65 and < 75 yr
NR
11.7
0.44 (0.24-0.81)
Gender
Male
NR
9.2
0.34 (0.22-0.54)
Female
NR
12.39
0.56 (0.33-0.95)
ECOG at entry
0
NR
11.83
0.32 (0.20-0.53)
1
12.68
7.43
0.64 (0.40-1.04)
LDH baeline
≤ ULN
NR
14.85
0.35 (0.19-0.62)
> ULN
NR
6.31
0.41 (0.26-0.65)
Region
W. Europe & Canada
NR
9.92
0.36 (0.23-0.56)
Rest of World
NR
11.17
0.53 (0.30-0.93)
History of brain metastases
Yes
NR
NR
NE
No
NR
10.41
0.41 (0.29-0.58)
analisys of
NIVO
DACA
HR (95% CI)