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Changes in soluble PD-L1 levels in patients with advanced non-small cell lung cancer Cover

Changes in soluble PD-L1 levels in patients with advanced non-small cell lung cancer

Open Access
|Nov 2024

Figures & Tables

Figure 1:

ROC curve of serum PD-L
ROC curve of serum PD-L

Figure 2:

Distribution characteristics of mPD-L1 and sPD-L1.
Distribution characteristics of mPD-L1 and sPD-L1.

mPD-L1 expression ratio in some clinical trials on NSCLC_

Clinical trialsPositive mPD-L1 expression ratioPD-L1 antibody type
CheckMate 057[18]455/582 (78%)28-8
CheckMate 017[19]225/272 (83%)28-8
CheckMate 012[20]32/46 (70%)28-8
CheckMate 227[21]1189/1739 (68%)28-8
Keynote 189[22]63%22C3
Keynote 001[23]60,8%22C3
Keynote 010[24]1475/2222 (66%)22C3
Keynote 021[25]56,8%22C3
Keynote 042[26]1978/3019 (66%)22C3
Keynote 024[27]500/1653 (30,2%)22C3
POPLAR[28]109/287 (37,9%)SP142
JAVELIN Lung 100[29]88/156 (56,4%)73-10
JAVELIN Lung 200[30]527/792 (66%)73-10

Values of sPD-L1 concentration according to clinical and paraclinical characteristics_

FeatureSubgroupMedian (IQR)p**
GenderMale (n = 59)1.09 (0.5 – 2.56)0.67
Female (n = 21)0.93 (0.6 – 1.49)
SmokingYes (n = 38)1.08 (0.56 – 2.430.965
No (n = 42)1.03 (0.59 – 2.28)
StagingIIIB (n = 16)1.06 (0.68 – 2.16)0.764
IV (n = 64)1.08 (0.52 – 2.36)
Age≤ 65 (n = 40)1.04 (0.55 – 2.49)0.577
> 65 (n = 40)1.1 (0.67 – 2.27)
Tumor size< 30 mm (n = 27)1.49 (0.65 – 2.29)0.981
≥ 30 mm (n = 53)1.07 (0.56 – 2.28)
PhenotypeADC (n = 58)0.96 (0.59 – 2.25)0.763
SCC (n = 16)1.17 (0.46 – 2.24)
ASC (n = 6)2.0 (0.57 – 3.59)
EGFR mutationPositive (n = 24)1.125 (0.69 – 2.2125)0.187
Negative (n = 56)2.56 (0.865 – 4.80)

Logistic regression model between increased sPD-L1 and mPD-L1 and clinical and paraclinical characteristics of NSCLC_

sPDL1 expression low – highORSEzp95% CI
Age1.060.03171.850.0650.9961.121
Gender0.340.2732−1.340.1790.0721.635
BMI0.860.1049−1.270.2040.6731.088
Disease duration1.0030.00680.520.6040.9901.017
Clubbing9.4914.4131.480.1390.483186.36
Bronchial Obstruction0.060.0753−2.190.0290.0040.7417
Tumor size1.010.01520.770.4420.9821.042
Metastases0.210.2167−1.510.1310.0271.595
ADC0.790.5333−0.350.7260.2092.968
_cons1.565.28850.130.8960.0021202.81
p = 0.031; R2 = 0.20

Characteristics of study subjects_

FeatureNSCLC (n1 = 80)Control (n2 = 30)p
General Characteristics
Age (X ± SD) (years)65.58 ± 12.1561.23 ± 15.840.096*
Male59 (73.75%)14 (46.67%)0.007a
Female21 (26.25%)16 (53.33%)
Smoking38 (47.5%)8 (26.67%)< 0.049a
BMI20,85 ± 2,4121,1 ± 2,060.624*
Clinical Features:
Fatigue36 (45.0%)0
Weight loss32 (40.0%)0
Fever11 (13.75%)0
Clubbing7 (8.75%)0
Peripheral Lymphadenopathy15 (18.75%)0
Cough66 (82.5%)0
Sputum22 (27.5%)0
Hemoptysis9 (11.25%)0
Chest pain52 (65.0%)0
Dyspnea29 (36.25%)0
Bronchial Obstruction6 (7.5%)NA
Consolidation syndrome11 (13.92%)NA
Pleural effusion36 (45.0%)NA
Mediastinal Syndrome4 (5.0%)NA
CT Chest Imaging Characteristics:
Nodules27 (23.75%)NA
Mass53 (66.25%)NA
Largest Tumor Size (X±SD) (mm)47.73 ± 21.46NA
Pleural effusion38 (47.5%)NA
Mediastinal lymph nodes21 (26.25%)NA
Atelectasis15 (18.75%)NA
StagingNA
IIIB16 (20.0%)NA
IV64 (80.0%)NA
Pathology and Gene mutations:
ADC58 (72.5%)NA
SCC16 (20.0%)NA
ASC6 (7.5%)NA
EGFR mutation24 (30.0%)NA
sPD-L1 in PBMC:
Median (Min – Max)1.08 (0.01 – 5.56)0.42 (0.01 – 1.66)< 0.001**
mPD-L1 molecular expression:
Negative31 (38.75%)NA
Positive49 (61.25%)NA
Expression level
- Low (1 – 49%)26 (32.5%)NA
- High (≥ 50%)23 (28.75)NA
Median (min – max)10 (0 – 50)NA
X ± SD (%)27.82 ± 33.61NA

Relationship between mPD-L1 and sPD-L1 expression_

mPD-L1 expressionsPD-L1 Median (IQR)p**
Not expressed (n = 31)0.93 (0.48 – 2.06)0.304
Expressed (n = 49)1.09 (0.64 – 2.56)
Expression level- Low (n = 26)1.21 (0.65 – 2.7)0.726
- High (n = 23)1.04 (0.49 – 2.56)
DOI: https://doi.org/10.2478/fco-2023-0036 | Journal eISSN: 1792-362X | Journal ISSN: 1792-345X
Language: English
Page range: 36 - 44
Submitted on: May 19, 2024
Accepted on: Aug 2, 2024
Published on: Nov 10, 2024
Published by: Helenic Society of Medical Oncology
In partnership with: Paradigm Publishing Services
Publication frequency: 2 times per year

© 2024 Thang Ba Ta, Nhung Thi Kim Pham, Dung Tien Nguyen, Tien Viet Tran, Cuong Tan Tran, Thuc Cong Luong, Hoan Ngoc Vu, Hien Thi Dieu Le, Bang Ngoc Dao, published by Helenic Society of Medical Oncology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.