Table 1 A. Patient baseline characteristics. B Genomic alterations of patients with ≥1 targetable alteration*.

From: Challenges and opportunities associated with the MD Anderson IMPACT2 randomized study in precision oncology

TABLE 1A. Patient Baseline Characteristics

Group

No. of patients, Part A (%)

No. of patients, Part B (%)

Total no. of patients (%)

(N = 391)

(N = 209)

(N = 600)

Age, years

<60

194 (49.6)

118 (56.5)

312 (52.0)

≥60

197 (50.4)

91 (43.5)

288 (48.0)

Gender

Female

197 (50.4)

112 (53.6)

309 (51.5)

Male

194 (49.6)

97 (46.4)

291 (48.5)

No. of prior therapies

≤3

234 (59.8)

84 (40.2)

318 (53.0)

>3

151 (38.6)

125 (59.8)

276 (46.0)

UNK

6 (1.5)

0

6 (1.0)

PS

0

50 (12.8)

30 (14.4)

80 (13.3)

1

341 (87.2)

179 (85.6)

520 (86.7)

No. of metastatic sites

0–2

234 (59.8)

129 (61.7)

363 (60.5)

>2

157 (40.2)

79 (37.8)

236 (39.3)

UNK

0

1 (0.5)

1 (0.2)

Liver metastases

No

236 (60.4)

113 (54.1)

349 (58.2)

Yes

155 (39.6)

95 (45.5)

250 (41.7)

UNK

0

1 (0.5)

1 (0.2)

PLT count, x 109/L

<140

43 (11.0)

30 (14.4)

73 (12.2)

140–440

334 (85.4)

169 (80.9)

503 (83.3)

>440

14 (3.6)

6 (2.9)

20 (3.3)

UNK

0

4 (1.9)

4 (0.7)

Alb, g/dL

<3.5

35 (9.0)

19 (9.1)

54 (9.0)

≥3.5

356 (91.0)

186 (89.0)

542 (90.3)

UNK

0

4 (1.9)

4 (0.7)

LDH, IU/L

≤ULN

270 (69.1)

91 (43.5)

361 (60.2)

>ULN

96 (24.6)

94 (45.0)

190 (31.7)

UNK

25 (6.4)

24 (11.5)

49 (8.2)

TABLE 1B. B Genomic Alterations of Patients with ≥1 Targetable Alterations by Pathway

No. of patients, Part A

No. of patients, Part B

Total no. of patients

(N = 317)

(N = 157)

(N = 474)

PI3K/Akt/mTOR pathway

105 (33.1)

41 (26.1)

146 (30.8)

MAPK signaling

88 (27.7)

47 (29.9)

135 (28.4)

Tyrosine kinases

53 (16.7)

29 (15.5)

82 (17.2)

TP53

161 (50.8%)

69 (43.9%)

230 (48.5%)

Other (non-p53) tumor suppressor/apoptosis–associated genes

38 (12.0%)

10 (6.4%)

48 (10.1%)

Cell cycle–associated genes

128 (40.3)

37 (23.6)

165 (34.8)

Hormone pathway

7 (2.2)

1 (0.6)

8 (1.7)

DNA repair pathway

15 (4.7)

4 (2.5)

19 (4.0)

  1. Table 1A: Alb albumin, LDH lactate dehydrogenase, PLT platelet, PS performance status, UNK unknown, ULN upper limit of normal.
  2. Table 1B: Akt protein kinase B, MAPK mitogen-activated protein kinase, mTOR mammalian target of rapamycin, PI3K phosphoinositide 3-kinase, TP53 tumor suppressor protein 53.
  3. *Data cut-off 10/07/2021.