Analysis of the Distribution of Traditional Chinese Medicine Syndrome Elements and Influencing Factors in Patients with Immune-Related Adverse Events from Malignant Tumors: A Retrospective Study Based on Propensity Score Matching
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Analysis of the Distribution of Traditional Chinese Medicine Syndrome Elements and Influencing Factors in Patients with Immune-Related Adverse Events from Malignant Tumors: A Retrospective Study Based on Propensity Score Matching
Journal of Traditional Chinese MedicineVol. 66, Issue 11, Pages: 1147-1156(2025)
WANG Xiyue,LU Wenping,ZHUO Zhili.Analysis of the Distribution of Traditional Chinese Medicine Syndrome Elements and Influencing Factors in Patients with Immune-Related Adverse Events from Malignant Tumors: A Retrospective Study Based on Propensity Score Matching[J].Journal of Traditional Chinese Medicine,2025,66(11):1147-1156.
WANG Xiyue,LU Wenping,ZHUO Zhili.Analysis of the Distribution of Traditional Chinese Medicine Syndrome Elements and Influencing Factors in Patients with Immune-Related Adverse Events from Malignant Tumors: A Retrospective Study Based on Propensity Score Matching[J].Journal of Traditional Chinese Medicine,2025,66(11):1147-1156.DOI: 10.13288/j.11-2166/r.2025.11.011.
Analysis of the Distribution of Traditional Chinese Medicine Syndrome Elements and Influencing Factors in Patients with Immune-Related Adverse Events from Malignant Tumors: A Retrospective Study Based on Propensity Score Matching
To analyze the distribution of traditional Chinese medicine (TCM) syndrome elements in patients with immune-related adverse events (irAEs) associated with malignant tumor immunotherapy and to explore the influencing factors for the occurrence of irAEs.
Methods
2
Clinical data were retrospectively collected from malignant tumor patients treated with programmed death-1 (PD-1) inhibitors, including demographic information, tumor history, duration of immunotherapy, occurrence of irAEs, types and grades of irAEs (G1-G5), and TCM four-diagnostic information. Patients were divided into irAEs group and the non-irAEs group based on the occurrence of irAEs. Propensity score matching (PSM) at a 1∶2 ratio was performed to balance baseline characteristics between groups. Syndrome elements before treatment and cumulative contributions of syndrome elements before and after irAEs onset were evaluated using the "Syndrome Elements Differentiation Scale". Logistic regression analysis was conducted to identify factors associated with the occurrence of irAEs. The use of glucocorticoids in the irAEs group was also analyzed.
Results
2
After 1∶2 matching, 59 patients were included in the irAEs group and 118 were in the non-irAEs group. No statistically significant differences were found between groups in terms of age, gender, primary tumor site, pathological type, or tumor stage (
P
>0.05). Patients in the non-irAEs group were more likely to have received targeted therapy, while the irAEs group had a longer duration of immunotherapy and a higher rate of positive programmed death-ligand 1 (PD-L1) expression (
P
<0.05). In total, 72 irAEs events occurred among 59 patients, with an overall incidence rate of 19.4% (59/304) and a grade 3~5 incidence rate of 6.8% (4/59), mainly presenting as cardiotoxicity, nephrotoxicity, and pneumotoxicity.Before immunotherapy, the top three syndrome elements in the irAEs group were spleen (71.2%, 42/59), kidney (42.4%, 25/59), and lung (39.0%, 23/59). For the pathogenic nature elements,
yin
deficiency (52.5%, 31/59), phlegm (40.7%, 24/59), and dampness (35.6%, 21/59) ranked highest. Compared to the non-irAEs group, the distribution of spleen, kidney, liver,
yin
deficiency, and
qi
deficiency elements showed significant differences in the irAEs group (
P
<0.05). After the occurrence of irAEs,
the cumulative contributions of spleen, lung, stomach, heart,
yin
deficiency,
qi
deficiency, and
yang
hyperactivity elements increased significantly (
P
<0.05). Multivariate Logistic regression analysis indicated that duration of immunotherapy, spleen syndrome element, kidney syndrome element, liver syndrome element,
yin
deficiency element, and
qi
deficiency element were independent risk factors for irAEs (
P
<0.05 or
P
<0.01). Among the irAEs patients, 15 received glucocorticoid combined with TCM treatment, while 6 received glucocorticoid therapy alone. Patients receiving combined treatment required lower doses and shorter courses of glucocorticoids compared to those treated with glucocorticoids alone (
P
<0.05).
Conclusion
2
In malignant tumor patients, spleen, kidney, lung,
yin
deficiency, phlegm, dampness, and
qi
deficiency are the predominant syndrome elements before and after the occurrence of irAEs. However, elements such as heat and
qi
stagnation significantly increase after irAEs onset. Duration of immunotherapy, spleen, kidney, liver syndrome elements,
yin
deficiency, and
qi
deficiency are independent risk factors for the development of irAEs.
关键词
Keywords
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