Characteristics of patients treated with talimogene laherparepvec in OPTiM by complete response and partial response (per investigator assessment)a

CharacteristicComplete response (n = 50)Partial response (n = 43)
Median (IQR) age, years70 (60–78)63 (53–77)
Female20 (40)21 (49)
ECOG performance status = 042 (84)31 (72)
AJCC stage
 IIIB/C31 (62)15 (35)
 IVM1a15 (30)14 (33)
 IIIB–IVM1a46 (92)29 (67)
 IVM1b2 (4)7 (16)
 IVM1c2 (4)7 (16)
In-transit or distant skin metastases
 IIIB–IVM1a42 (84)20 (47)
 IIIB–IVM1c44 (88)26 (60)
Elevated LDH (>ULN)00
Line of treatment
 1st33 (66)27 (63)
  ≥ 2nd17 (34)16 (37)
Median baseline tumor burden (range), cm24.6 (0.3–38.3)10.9 (0.6–280.6)
BRAF status
 Mutation5 (10)9 (21)
 Wild type5 (10)9 (21)
 Unknown/missing40 (80)25 (58)
HSV-1 seropositive at baseline32 (64)28 (65)

Data presented are number (%) of patients, unless otherwise indicated

aAmong 295 patients randomized to talimogene laherparepvec, 291 received treatment and 287 were evaluable for response assessment per investigator assessment

AJCC American Joint Committee on Cancer, ECOG Eastern Cooperative Oncology Group, HSV herpes simplex virus, IQR interquartile range, LDH lactate dehydrogenase, ULN upper limit of normal