Table 3

Median OS and 1-year, 2-year and 3-year OS rates

mOS (months) (95% CI)1-year OS
(%; 95% CI)
2-year OS
(%; 95% CI)
3-year OS
(%; 95% CI)
All patients19 (15.9 to 22.0)69 (63.5 to 74.5)41.1 (34.9 to 47.9)30.1 (22.2 to 37.9)
Number of MBM
 1–329 (16.9 to 41.4)71.2 (63.6 to 78.8)57.0 (46.8 to 67.2)42.3 (28.6 to 56.0)
 >314 (10.2 to 17.9)52.1 (44.3 to 59.9)32.2 (23.9 to 40.4)22.7 (13.5 to 31.9)
BRAF status
 BRAF wild type19 (14.9 to 23.0)61.3 (51.9 to 70.7)40.1 (28.3 to 51.9)N/A
 BRAF mutant18 (14.1 to 21.9)60.7 (53.8 to 67.6)42.0 (34.2 to 49.8)27.3 (18.1 to 36.5)
LDH level
 Normal21 (15.1 to 26.9)69.3 (61.6 to 76.7)45.9 (36.3 to 55.5)32.6 (20.4 to 44.6)
 Elevated19 (12.8 to 25.1)58.4 (48.8 to 68.0)40.1 (29.1 to 51.1)32.9 (19.9 to 45.8)
 2×>ULN7 (6.1 to 7.9)32.1 (17.6 to 46.6)22.9 (8.0 to 37.8)8.6 (5.5 to 22.7)
S100B level
 Normal22 (18.2 to 25.8)78.4 (68.6 to 88.2)44.7 (30.8 to 58.6)36.1 (20.6 to 51.6)
 Elevated17 (9.6 to 24.4)57.0 (48.2 to 65.8)42.8 (32.8 to 52.8)32.3 (20.5 to 44.6)
 10×>ULN17 (8.2 to 25.8)53.5 (40.4 to 66.6)30.9 (15.8 to 45.9)20.6 (1.2 to 40.0)
Best intracerebral response
 CRNot reached92.7 (82.9 to 100)85.6 (69.3 to 100)N/A
 PR42 (22.6 to 61.4)86.9 (76.9 to 96.9)62.9 (46.0 to 79.8)55.1 (34.5 to 75.7)
 SDNot reached93.6 (86.5 to 100)83.6 (71.1 to 96.1)50.2 (19.0 to 81.4)
 PD10 (16.7 to 23.3)39.0 (31.4 to 46.6)20.0 (13.1 to 26.9)12.8 (6.0 to 19.3)
CombiIT
 First line17 (10.7 to 23.9)56.4 (48.9 to 63.8)44.7 (35.9 to 53.5)27.9 (11.2 to 44.6)
 Not first line21 (17.8 to 24.2)67.9 (59.9 to 75.9)41.9 (32.7 to 51.1)31.6 (21.8 to 41.4)
BRAF mutant patients
 First-line targeted therapy22 (17.2 to 26.77)65.6 (55.2 to 76)44.3 (34.5 to 57.7)32.0 (20 to 44)
 First-line CombiIT16 (7 to 25)53.6 (43.2 to 64)42.9 (30.7 to 55.1)N/A
BRAF wild-type patients
 First-line CombiIT21 (10.2 to 31.8)59.6 (52.6 to 73.4)47 (33.8 to 60.1)47 (33.8 to 60.1)
 First-line not CombiIT19 (16.3 to 21.7)68.3 (50.1 to 74.2)31.9 (11.5 to 52.3)31.9 (11.5 to 52.3)
STR/surgery (at any time point)
 Yes24 (19.6 to 28.4)70.6 (63.7 to 77.5)49.5 (40.9 to 58.1)36.5 (26.3 to 46.7)
 No16 (7.6 to 24.4)53.2 (41.0 to 65.4)40.9 (26.6 to 55.2)N/A
WBRT8 (4.9 to 11.0)40.7 (28.4 to 53.0)20.8 (9.4 to 32.2)10.4 (1.4 to 22.2)
STR/surgery
 Upfront26 (21.1 to 30.9)72.5 (65.1 to 79.9)50.9 (41.3 to 60.5)39.5 (28.3 to 50.7)
 Later16 (10.8 to 21.2)63.7 (47.6 to 79.8)44.3 (24.9 to 63.7)22.2 (1.5 to 45.9)
ECOG-PS
 022 (16.4 to 27.6)65.7 (59.0 to 72.4)47.1 (39.1 to 55.1)36.4 (26.4 to 46.4)
 118 (7.3 to 28.7)52.3 (40.1 to 64.5)38.0 (34.1 to 519)22.2 (6.1 to 38.3)
 >18 (7.3 to 17.1)49.3 (31.8 to 66.7)23.5 (5.5 to 41.5)5.9 (5.1 to 16.9)
Presence of symptomatic MBM
 No19 (10.7 to 27.2)62.5 (53.4 to 71.8)45.4 (34.6 to 56.2)35.1 (21.8 to 48.4)
 Yes12 (7.0 to 17.0)46 (32.1 to 59.9)28.1 (13.8 to 42.4)15.0 (0 to 30.7)
  • CombiIT, nivolumab plus ipilimumab; CR, complete response; ECOG-PS, Eastern Cooperative Oncology Group performance status; MBM, melanoma brain metastases; mOS, median overall survival; PD, progressive disease; PR, partial response; SD, stable disease; STR, stereotactic radiosurgery; ULN, upper level normal; WBRT, whole brain radiotherapy.