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Table 2 Posted results of first-line combination regimen trials for pembrolizumab, nivolumab, and atezolizumab in advanced NSCLC

From: Achievements and futures of immune checkpoint inhibitors in non-small cell lung cancer

Identifier

Trials

Agent

Phase

Population

Arms

Biomarkers

ORR

mPFS

1 year

PFS rate

mOS

1 year OS rate

mDOR

Adverse Effects Rate (≥ grade 3)

NCT02039674

Keynote 021

Pembrolizumab

II

Untreated metastatic

Non-squamous NSCLC

Without EGFR/ALK alteration

Pembrolizumab + platinum

Regardless PD-L1

55.00%

24 m

NA

NR

NA

NA

39.00%

Platinum

29.00%

9.3 m

21.1 m

26.00%

NCT02578680

Keynote 189

Pembrolizumab

III

Untreated metastatic

Non-squamous NSCLC

Without EGFR/ALK alteration

Pembrolizumab + platinum

Regardless PD-L1

47.60%

8.8 m

34.10%

NR

69.20%

11.2 m

67.20%

Platinum

18.90%

4.9 m

17.30%

11.3 m

49.90%

7.8 m

65.80%

NCT02775435

Keynote 407

Pembrolizumab

III

Untreated metastatic, squamous NSCLC

Pembrolizumab + platinum

Regardless PD-L1

57.90%

6.4 m

NA

15.9 m

65.20%

7.7 m

69.80%

platinum

38.40%

4.8 m

NA

11.3 m

48.30%

4.8 m

68.20%

NCT02477826

Checkmate 227

Nivolumab

III

Untreated metastatic

Non-squamous NSCLC

Without EGFR/ALK alteration

Nivolumab + platinum

TMB ≥ 10mut/Mb

60.50%

NA

27.00%

NA

NA

NA

NA

Nivolumab + ipilimumab

45.30%

7.2 m

45.00%

31.20%

Platinum

27.00%

5.4 m

13.20%

36.10%

NCT02657434

Impower 131

Atezolizumab

III

Treatment-naïve Stage IV squamous NSCLC

Atezolizumoab + carboplatin

ITT population

49.00%

6.3 m

24.00%

14.0 m

55.60%

NA

69.00%

Carboplatin

41.00%

5.6 m

12.00%

13.9 m

56.80%

58.00%

2NCT02657434

Impower132

Atezolizumab12

III

Non-squamous NSCLC

Without EGFR/ALK

alterationUntreated metastatic

Atezolizumoab + carboplatin

ITT population

47.00%

7.6 m

33.70%

18.1 m

59.60%

10.1 m

69.00%

Carboplatin

32.00%

5.2 m

13.6 m

59.00%

NCT02659059

Checkmate 568

Nivolumab

II

Untreated metastatic

Non-squamous NSCLC

Without EGFR/ALK alteration

Nivolumab plus low-dose ipilimumab

PD-L1 < 1%

41.00%

6.8 m

52%a

NA

NA

NA

29.00%

PD-L1 ≥ 1%

15.00%

2.8 m

32%a

    

TMB ≥ 10 mut/Mb

44.00%

7.1 m

55%a

    

TMb < 10 mut/Mb

12.00%

2.6 m

31%a

    
  1. Combination strategies may help patients overcome NSCLC resistance that ICI monotherapy face with
  2. ORR objective response rate, PFS Progression Free Survival, OS overall survival, DOR Duration of Response, ITT intend to treat, TMB tumor mutation burden
  3. a6-month PFS rate