Table 1 Demographics, clinicopathologic characteristics and outcomes for the BR36 cohort (all enrolled patients)

From: ctDNA response after pembrolizumab in non-small cell lung cancer: phase 2 adaptive trial results

Characteristic

Number (%)

Sex

 Female

26 (52.0)

 Male

24 (48.0)

Race

 White

41 (82.0)

 Black

2 (4.0)

 Asian

4 (8.0)

 Not Reported

3 (6.0)

Agea

 <65 years

22 (44.0)

 ≥65 years

28 (56.0)

ECOG PS

 0

12 (24.0)

 1

38 (76.0)

Smoking status (current)

 Yes

12 (24.0)

 No

37 (74.0)

 Missing

1 (2.0)

Smoking history

 >100 cigarettes during lifetime

49 (98.0)

 Missing

1 (2.0)

Prior systemic therapy

 No

46 (92.0)

 Yes

4 (8.0)

Prior radiation

 No

27 (54.0)

 Yes

23 (46.0)

Prior surgery

 No

1 (2.0)

 Yes

49 (98.0)

Stage

 Stage IIIb

1 (2.0)

 Stage IV

49 (98.0)

Histology

 Adenocarcinoma

38 (76.0)

 Squamous cell carcinoma

6 (12.0)

 Other

6 (12.0)

PD-L1 expression

 ≥50% TPS

48 (96.0)

 1–49%

2 (4.0)

RECIST response

 CR/PR

16 (32.0)

 SD/PD

34 (68.0)

ctDNA response

 mR

15 (42.9)

 mPD

20 (57.10)

  1. aMedian age was 65.5 years (range, 50–87 years).
  2. bNot a candidate for surgical resection or definitive chemoradiation.