1.Variations of Chemical Components in Gardeniae Fructus Before and After Being Charred Analyzed by UPLC-Q-Orbitrap MS/MS
Lan LI ; Jie HONG ; Yanan SONG ; Yilan LI ; Yun WANG ; Cun ZHANG
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(4):175-182
ObjectiveTo investigate the changes in chemical components of Gardeniae Fructus(GF) before and after being charred, providing data support for research on the material basis of GF Carbonisata(GFC). MethodsUltra-performance liquid chromatography-quadrupole-electrostatic field orbitrap high-resolution mass spectrometry(UPLC-Q-Orbitrap MS/MS) was used to conduct a comprehensive analysis of the chemical components in GF and GFC under positive and negative ion modes with Compound Discoverer 3.3 software and online database. Then, principal component analysis and partial least squares-discriminant analysis in SIMCA14.1 software were used to analyze the MS data of each sample. Based on the principle of variable importance in the projection(VIP) value>1, differential secondary and primary metabolites before and after carbonization were screened. In addition, MetaboAnalyst website was used for pathway enrichment of Kyoto Encyclopedia of Genes and Genomes(KEGG), so as to provide a reference for clarifying the processing mechanism. ResultsA total of 185 components were identified, including 96 secondary metabolites and 89 primary metabolites. These components were classified into nine categories, primarily including iridoid glycosides, flavonoids, and terpenoids, their fragmentation pathways were also analyzed. Simultaneously, multivariate statistical analysis was performed on the secondary and primary metabolites, identifying 70 and 59 differential metabolites, respectively. The secondary metabolites were enriched in two metabolic pathways, including C5-branched dibasic acid metabolism and flavonoid and flavonol biosynthesis, while the primary differential metabolites were enriched in seven pathways such as linoleic acid metabolism and tyrosine metabolism. ConclusionThe chemical components of GF change significantly after carbonization, with a significant decrease in the contents of iridoid glycosides and terpenoids such as hydroxyisogeniposide, crocin Ⅱ, crocetin, and jasminoside B. while the contents of 4-hydroxycoumarin, geniposidic acid, gentiopicroside, and gardenoside methyl ester increase significantly. This change is presumed to be associated with the enhanced cooling and hemostatic effects of the processed products. The identified key components provide a basis for elucidating the material basis underlying the efficacy changes before and after carbonization.
2.Exploration in Relationship Between Mitochondrial Homeostasis Dysregulation and Panvascular Diseases Based on Theory of ''Positive Deficiency Phlegm Stasis''
Hongping LI ; Jie WANG ; Zhenpeng ZHANG ; Chao LIU ; Lanchun LIU ; Chengzhi HOU
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(1):30-38
Panvascular diseases represent systemic vascular disorders characterized by atherosclerosis as their core pathological feature. Their incidence rates continue to rise, posing significant challenges for clinical management. Based on Traditional Chinese Medicine (TCM) theory of ''positive deficiency phlegm stasis'', this study delved into the pivotal role of mitochondrial homeostasis dysregulation in the pathogenesis and progression of pan-vascular diseases, along with its intrinsic connection to TCM pathogenesis. Mitochondrial homeostasis dysregulation pervades the entire course of these diseases, with mitochondrial oxidative stress serving as the initiating factor. Excessive reactive oxygen species (ROS) trigger endothelial dysfunction, lipid accumulation, and inflammatory initiation. Additionally, the imbalance between mitochondrial autophagy and apoptosis constitutes a pivotal link in disease progression. Excessive or insufficient autophagy may lead to the accumulation of damaged mitochondria and excessive cellular apoptosis, thereby promoting plaque instability. Furthermore, mitochondrial metabolic reprogramming impairs energy supply and function in vascular wall cells, hindering subsequent vascular repair. These pathological processes constitute the microscopic manifestation of the core pathogenesis, which is characterized by ''the intermingle of phlegm and stasis and the deficiency of healthy Qi''. Specifically, the endogenous phlegm-turbidity drives mitochondrial oxidative stress injuries, the mutual entanglement of phlegm and stasis induces an imbalance between mitochondrial autophagy and apoptosis, while deficiency of healthy Qi propels mitochondrial energy metabolism disorders and reprogramming. In view of this, this study proposed to employ phlegm-resolving and turbidity-clearing methods to mitigate mitochondrial oxidative stress injuries, phlegm-resolving and blood-activating methods to regulate mitochondrial autophagy and apoptosis, and spleen-tonifying and kidney-nourishing methods to modulate mitochondrial metabolic reprogramming. This approach can prevent and treat panvascular diseases by multi-target regulation of mitochondrial homeostasis, providing a theoretical framework and therapeutic strategies for the prevention and treatment of panvascular diseases through integrated Chinese and Western medicine.
3.Exploring on Quality Evaluation Methods of Clinical Case Reports in Traditional Chinese Medicine Based on China Clinical Cases Library of Traditional Chinese Medicine
Kaige ZHANG ; Feng ZHANG ; Bo ZHOU ; Haimin CHEN ; Yong ZHU ; Changcheng HOU ; Liangzhen YOU ; Weijun HUANG ; Jie YANG ; Guoshuang ZHU ; Shukun GONG ; Jianwen HE ; Yang YE ; Yuqiu AN ; Chunquan SUN ; Qingjie YUAN ; Buman LI ; Xingzhong FENG ; Kegang CAO ; Hongcai SHANG ; Jihua GUO ; Xiaoxiao ZHANG ; Zhining TIAN
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(1):271-276
As the core vehicle for preserving and transmitting traditional Chinese medicine(TCM) academic thought and clinical experience, the establishment of a robust quality evaluation system for TCM clinical case reports is a crucial component in the current standardization and modernization of TCM. Based on the practical experience of constructing the China Clinical Cases Library of Traditional Chinese Medicine by the China Association of Chinese Medicine, this study conducted a comprehensive analysis of critical challenges, including insufficient authenticity and unfocused evaluation criteria. It proposed a three-dimensional evaluation framework grounded in the structure-process-outcome logic, encompassing three dimensions of authenticity and standardization, characteristics and advantages, application and translational impact. This framework integrated 12 key evaluation indicators in a systematic manner. The model preserved the academic characteristics of TCM syndrome differentiation and treatment, while aligning with modern scientific research standards, achieving a balance between individualized TCM experience and standardized evaluation. Concurrently, this study provided theoretical foundations and methodological guidance for evaluating the quality of TCM clinical cases, contributing significantly to the inheritance of TCM knowledge, evidence-based practice, and the reform of talent evaluation mechanisms.
4.Correlation between hand foot mouth disease incidence and meteorological factors with assessment for excess incidence risk among children in Jiujiang City
XIE Wenjing, XU Ting, ZHANG Jingjing, LI Jie, FU Weijie
Chinese Journal of School Health 2026;47(3):417-420
Objective:
To discuss the epidemiological characteristics of hand foot mouth disease (HFMD) among children in Jiujiang City, and its correlation with meteorological factors, so as to provide scientific evidence for developing targeted HFMD prevention and control measures.
Methods:
HFMD incidence data among children and meteorological factor records from Jiujiang City during 2019-2023 were collected. Pearson correlation analysis and Quasi-Poisson regression analysis of generalized additive model were used to analyze the relationship between the number of cases and meteorological factors, calculating correlation coefficients (r) and excess risk (ER).
Results:
The annual reported children HFMD cases in Jiujiang City during 2019-2023 were 4 299, 4 671, 2 560, 3 230, and 3 584, respectively. Except for a peak in autumn-winter in 2020, outbreaks occurred mainly in spring and summer in other years. The majority of cases involved scattered children (71.11%) and children in daycare centers (26.64%). Pearson correlation analysis showed that total case counts, cases among scattered children, and cases among children in daycare centers were positively correlated with average temperature ( r =0.36, 0.39, 0.23), maximum temperature ( r =0.32, 0.36, 0.20), minimum temperature ( r =0.37, 0.41, 0.24), and average relative humidity ( r =0.19, 0.20, 0.15) (all P <0.05). Quasi-Poisson regression analysis of generalized additive model revealed that total cases, cases among scattered children, and cases among daycare children were positively associated with average temperature ( r =0.05, 0.06, 0.03) and average relative humidity ( r =0.03, 0.02, 0.02) (all P <0.01). Excess incidence risk analysis indicated that for every 10 ℃ increase in average temperature, the ER (95% CI ) values were 72.16 (45.91-103.14), 79.76 (52.99- 111.23 ) and 39.30 (14.45-69.54) among total children, scattered children and daycare children, respectively; for every 10% increase in average relative humidity, the ER (95% CI ) values were 28.69 (12.22-47.56), 27.81 (12.01-45.84) and 24.42 (5.56-46.65), respectively.
Conclusions
The incidence level of HFMD among children in Jiujiang City is positively correlated with the average temperature and average relative humidity. Higher temperature and humidity are associated with an increased risk of excess HFMD incidence in scattered children compared to children in daycare centers.
5.Exploration of the Staged and Phased Differentiation and Treatment Approach for Gastric Cancer Immunotherapy Based on the Theory of Shaoyang (少阳) and Shaoyin (少阴) as the Pivots
Wenkang ZHANG ; Yuansha GE ; Kexin LIU ; Jie LI
Journal of Traditional Chinese Medicine 2026;67(7):730-735
Based on the theory that Shaoyang (少阳) and Shaoyin (少阴) function as the principal pivots, and integrating the laws of qi-fire transformation, yin-yang alternation, and the waxing and waning of healthy qi and pathogenic factors, as well as the action characteristics of immune checkpoint inhibitors (ICIs), this study systematically expounds the dynamic evolution laws of the Shaoyang and Shaoyin pivots and constructs a stage- and phase-based differentiation and treatment framework for gastric cancer immunotherapy. In the neoadjuvant treatment stage, the core pathogenesis is the dysfunction of the Shaoyang pivot and the disorder of qi and fire transformation, often accompanied by stagnation of cold-deficiency in the middle jiao (焦). In the postoperative adjuvant treatment stage, the dominant factors are the depletion of Shaoyin fire and the damage of yin fluid, accompanied by the lingering of residual pathogen in the Shaoyang level and the obstruction of collaterals by phlegm and stasis. In the advanced stage, the critical conditions are the exhaustion of the Shaoyin pivot, the blockage of orifices by turbid toxins, and the separation of yin and yang, leading to the rampant of pathogenic toxins and the emergence of various complicated syndromes. The treatment should be guided by the principle of regulating the double pivot. In the neoadjuvant treatment stage, it is recommended to activate the Shaoyang pivot and warm and promote the qi movement in the middle jiao. In the postoperative adjuvant treatment stage, clearing the residual pathogenic factors from the pivot and nourishing the Shaoyin. In the advanced stage, rescuing the Shaoyin pivot and opening the orifices to transform turbidity. Furthermore, stage-based treatment should serve as the foundation for dynamically assessing the patient's immune status and phase-specific changes in immunity, thereby promoting immune activation while preventing and managing immune overactivation and drug resistance.
6.Effects of Yangxin Tongmai Formula (养心通脉方) on Methylation Key Genes and the PERK/ATF4/CHOP Signaling Pathway in Myocardial Tissue of Coronary Heart Disease Model Rats with Blood Stasis Syndrome
Chun ZHANG ; Shumeng ZHANG ; Yan MAO ; Xing CHEN ; Huifang KUANG ; Yi YANG ; Lingli CHEN ; Jie LI
Journal of Traditional Chinese Medicine 2026;67(7):784-791
ObjectiveTo investigate the mechanism of Yangxin Tongmai Formula (养心通脉方, YTF) in trea-ting coronary heart disease with blood stasis syndrome based on DNA methylation. MethodsSeventy-two SD rats were randomly divided into a control group (n=12) and a modeling group (n=60). The modeling group was subjected to a high-fat diet, intragastric administration of vitamin D3, and subcutaneous injection of isoprenaline to establish the rat model of coronary heart disease with blood stasis syndrome. Forty-one successfully modeled rats were then randomly allocated into model group, YTF low-, medium-, and high-dose groups, and the atorvastatin calcium group, with 8 rats in each group and 1 rat reserved. The YTF low-, medium-, and high-dose groups received YTF at 6, 12, and 18 g/(kg·d) by gavage, respectively. The atorvastatin calcium group received atorvastatin calcium tablets at 1.8 mg/(kg·d) by gavage. The control group and the model group received 0.9% sodium chloride injection at 4 ml/(kg·d) by gavage. All administrations were performed once daily for 3 weeks. Twenty-four hours after the last administration, serum lipid levels including total cholesterol (TC), triglycerides (TG), low-density lipoprotein cholesterol (LDL-C), and high-density lipoprotein cholesterol (HDL-C), myocardial enzymes including cardiac troponin T (cTnT), creatine kinase MB (CK-MB), and lactate dehydrogenase (LDH), and inflammatory factors including interleukin-1β (IL-1β) and interleukin-10 (IL-10) were detected by ELISA. Pathological changes in myocardial tissue were observed via HE staining. Whole blood DNA methylation sequencing was used to analyze differential methylation gene expression among the control group, model group, and YTF high-dose group. Western Blotting was used to verify the protein levels of the key genes and downstream signaling pathways. ResultsCompared to the control group, the model group showed increased levels of TC, TG, LDL-C, cTnT, CK-MB, LDH, and IL-1β, along with decreased levels of HDL-C and IL-10 (P<0.05 or P<0.01). Compared to the model group, all treatment groups exhibited decreased levels of TC, LDL-C, CK-MB, and LDH, along with increased IL-10 levels. Among these, the high-dose YTF group demonstrated superior efficacy in reducing cTnT levels compared to the other TCM groups (P<0.05 or P<0.01). HE staining indicated that the YTF high-dose group ameliorated myocardial cell swelling, disordered arrangement, pyknosis, and disappearance of nuclei, thereby reducing myocardial cell damage. Whole blood DNA methylation sequencing identified 240 differentially methylated genes shared by the control group, model group, and YTF high-dose group, including 109 hypermethylated and 131 hypomethylated genes; eif2ak3 was identified as a key differentially methylated gene. Compared to the control group, the model group exhibited increased protein levels of eukaryotic translation initiation factor 2 alpha kinase 3 (eIf2ak3), phosphorylated protein kinase RNA-like endoplasmic reticulum kinase (p-PERK), activating transcription factor 4 (ATF4), C/EBP homologous protein (CHOP), and Bax, along with a decreased level of B-cell lymphoma-2 (Bcl-2) protein (P<0.05 or P<0.01). Compared to the model group, the YTF high-dose group showed decreased protein levels of eIf2ak3, p-PERK, ATF4, CHOP, and Bax, and an increased level of Bcl-2 protein (P<0.05 or P<0.01). ConclusionYTF may regulate key differentially methylated genes such as eIf2ak3 and the PERK/ATF4/CHOP signaling pathway, thereby inhibiting endoplasmic reticulum stress, reducing myocardial cell apoptosis, and exerting therapeutic effects in coronary heart disease blood stasis syndrome.
7.Effect of mesaconate combined with LR on prolonging the golden treatment time window and its resuscitation efficacy for hemorrhagic shock rats under high-altitude conditions
Yuanqun ZHOU ; Xinming XIANG ; Xingnan OUYANG ; Jie ZHANG ; Qinghui LI ; Liangming LIU ; Tao LI
China Pharmacy 2026;37(6):720-726
OBJECTIVE To observe the effects of endogenous metabolite mesaconate combined with Sodium lactate Ringer’s injection (LR) on prolonging the golden treatment time window and its resuscitation efficacy in rats with hemorrhagic shock under high-altitude conditions. METHODS Rats were divided into the shock group, LR group, and 5, 20, 50 mg/kg mesaconate+LR groups, with 20 rats in each group, to investigate the effect of additional use of mesaconate on the golden treatment time window. After establishing a model of uncontrolled hemorrhagic shock under high-altitude conditions in all groups by housing in a hypobaric hypoxia chamber combined with splenic artery transection, rats in the shock group received no resuscitation, while rats in the LR group and mesaconate+LR groups underwent low-pressure resuscitation with LR or mesaconate combined with LR. Blood pressure control, fluid infusion volume, blood loss rate and survival status were observed in each group. Rats were further divided into the normal group, shock group and mesaconate (50 mg/kg)+LR group, with 10 or 20 rats in each group, to evaluate the resuscitation effects after extending the golden treatment time window by additionally using mesaconate. Except for the normal group, the other groups underwent the same procedure to establish an uncontrolled hemorrhagic shock model under high-altitude conditions. Rats in the shock group received no resuscitation. In the mesaconate+LR group, after 3 h of low-pressure resuscitation, bleeding control was performed by ligation of the spleen artery, and the infusion volume and blood loss rate were recorded; subsequently, the rats received LR resuscitation with twice the volume of blood loss. Then, blood gas indicators of the mesaconate+LR group were measured at different time points. Survival rates, indicators related to sublingual microcirculatory perfusion, liver and kidney blood flow, indicators related to the function of vital organs, and lung and brain water content were observed in all groups. RESULTS LR infusion alone could effectively maintain mean arterial pressure (MAP) within 50-60 mmHg for approximately 1 h. The administration of mesaconate combined with LR during hypotensive resuscitation could maintain MAP within 50-60 mmHg for over 3 h, with significantly reduced fluid infusion volume and blood loss rate in 50 mg/kg mesaconate+LR group, compared to the LR group ( P <0.05). In the LR group, rats maintained low pressure for up to 1 hour with a survival rate of 52.94%, and no rats survived beyond 2 h. In the 5, 20 and 50 mg/kg mesaconate+LR groups, rats maintained low pressure for up to 1 h with a survival rate exceeding 80%; in the 20 and 50 mg/kg mesaconate+LR groups, rats maintained low pressure for up to 3 h with a survival rate exceeding 70%. After complete resuscitation with mesaconate combined with LR, the 72 h survival rate of rats was 43.75%, and significant improvements in blood gas parameters were observed compared to the end of the shock phase ( P <0.05). Compared to the shock group, the mesaconate+LR group showed significant recovery in sublingual microcirculatory indicators, and liver/kidney blood flow after complete resuscitation ( P <0.05), with significant reductions in heart, liver and kidney function-related indicators and lung water content ( P <0.05). CONCLUSIONS Mesaconate combined with LR significantly extends the golden treatment time window for hemorrhagic shock in rats under high-altitude conditions, improves blood gas parameters, sublingual microcirculatory perfusion, and liver/kidney blood flow, mitigates vital organ impairment and pulmonary edema, and increases the survival rate of shocked rats.
8.Analysis of the application status of prescription pre-review systems in Yunnan province
Fan XU ; Wenjie YIN ; Kejia LI ; Zhengfu LI ; Jie CHEN ; Meixian WU ; Ruixiang CHEN ; Songmei LI ; Guowen ZHANG ; Te LI
China Pharmacy 2026;37(1):6-10
OBJECTIVE To investigate the application status of prescription pre-review systems in healthcare institutions of Yunnan province, evaluate their system functions and management capabilities, and provide a practical basis for promoting rational drug use. METHODS A questionnaire survey was conducted among public healthcare institutions at or above the secondary level in Yunnan province to investigate the deployment status of the systems. A capability maturity assessment framework was constructed, encompassing 6 dimensions and 39 indicators, including real-time prescription review, prescription correlation review, rule setting, evidence-based information support, prescription authority management, and system operation management. This framework was then used to evaluate the institutions that had implemented the pre-review systems. RESULTS A total of 100 valid questionnaires were collected, with 37 institutions having adopted prescription pre-review systems, mainly tertiary hospitals. The system predominantly adopted a modular architecture and was embedded into the hospital information system through application programming interfaces and middleware, providing certain capabilities for real-time prescription risk identification. Evaluation results indicated that basic functions such as reviewing indications, contraindications, and drug compatibility performed well, while deficiencies remained in functions related to parenteral nutrition prescription, review of drug dosage for specific diseases, individual patient characteristic recognition, and rule setting. Moreover, the construction of review centers and establishment of management systems were also not well-developed. CONCLUSIONS The overall application rate of prescription pre-review systems in Yunnan province remains low. System functions and management mechanisms require further improvement. It is recommended to enhance information infrastructure in lower-level institutions and explore regionally unified review models to promote standardized and intelligent development of prescription review practices.
9.Effects of subanesthetic dose of esketamine on postoperative anxiety and recovery in patients undergoing laparo-scopic cholecystectomy
Zhangzhen ZHONG ; Xian ZHENG ; Ting XU ; Jie WANG ; Hui CAO ; Xinggen ZHOU ; Hui LI ; Jiacheng ZHAO ; Hui LIU ; Chao ZHANG
China Pharmacy 2026;37(2):204-209
OBJECTIVE To investigate the effects of subanesthetic dose of esketamine on postoperative anxiety and recovery in patients undergoing laparoscopic cholecystectomy. METHODS A total of 200 patients scheduled for laparoscopic cholecystectomy at Suzhou Ninth Hospital Affiliated to Soochow University from January 2023 to December 2024 were randomly assigned to control group (n=100) and observation group (n=100). One minute before the initiation of anesthesia, patients in the control group received intravenous injections of Propofol emulsion injection, Sufentanil citrate injection, and Succinylcholine chloride injection. On this basis, patients in the observation group received an intravenous injection of Esketamine hydrochloride injection. The anxiety status of patients in both groups was compared, along with their general intraoperative conditions (including sufentanil dosage, duration of pneumoperitoneum, operative time, anesthesia time, and extubation time), postoperative recovery, incidence of adverse reactions, and the need for dezocine rescue analgesia. Heart rate and mean arterial pressure, entropy index (state entropy and response entropy), inflammatory marker levels [interleukin-6 (IL-6) and C-reactive protein (CRP)], numerical rating scale (NRS) for pain intensity were compared between the two groups at different time points. RESULTS No significant differences were found between the two groups in pneumoperitoneum duration, operative time, anesthesia time,extubation time, incidence of postoperative dry mouth, entropy index or length of stay in the post-anesthesia care unit (P>0.05). Compared with the control group, the observation group showed significantly lower postoperative STAI-S scores, reduced intraoperative sufentanil consumption, decreased incidence of postoperative nausea, vomiting, and shivering, the need for dezocine rescue analgesia, as well as lower plasma IL-6 and CRP levels at 24 h after surgery, and NRS (P<0.05). The heart rate and mean arterial pressure of patients in the observation group at the start of surgery, end of surgery, and during extubation were all significantly higher than those in the control group (P<0.05). CONCLUSIONS Subanesthetic dose of esketamine can effectively alleviate postoperative anxiety, reduce intraoperative opioid consumption, suppress postoperative inflammatory response, relieve postoperative pain, and promote recovery in patients undergoing laparoscopic cholecystectomy.
10.Expert consensus on neoadjuvant PD-1 inhibitors for locally advanced oral squamous cell carcinoma (2026)
LI Jinsong ; LIAO Guiqing ; LI Longjiang ; ZHANG Chenping ; SHANG Chenping ; ZHANG Jie ; ZHONG Laiping ; LIU Bing ; CHEN Gang ; WEI Jianhua ; JI Tong ; LI Chunjie ; LIN Lisong ; REN Guoxin ; LI Yi ; SHANG Wei ; HAN Bing ; JIANG Canhua ; ZHANG Sheng ; SONG Ming ; LIU Xuekui ; WANG Anxun ; LIU Shuguang ; CHEN Zhanhong ; WANG Youyuan ; LIN Zhaoyu ; LI Haigang ; DUAN Xiaohui ; YE Ling ; ZHENG Jun ; WANG Jun ; LV Xiaozhi ; ZHU Lijun ; CAO Haotian
Journal of Prevention and Treatment for Stomatological Diseases 2026;34(2):105-118
Oral squamous cell carcinoma (OSCC) is a common head and neck malignancy. Approximately 50% to 60% of patients with OSCC are diagnosed at a locally advanced stage (clinical staging III-IVa). Even with comprehensive and sequential treatment primarily based on surgery, the 5-year overall survival rate remains below 50%, and patients often suffer from postoperative functional impairments such as difficulties with speaking and swallowing. Programmed death receptor-1 (PD-1) inhibitors are increasingly used in the neoadjuvant treatment of locally advanced OSCC and have shown encouraging efficacy. However, clinical practice still faces key challenges, including the definition of indications, optimization of combination regimens, and standards for efficacy evaluation. Based on the latest research advances worldwide and the clinical experience of the expert group, this expert consensus systematically evaluates the application of PD-1 inhibitors in the neoadjuvant treatment of locally advanced OSCC, covering combination strategies, treatment cycles and surgical timing, efficacy assessment, use of biomarkers, management of special populations and immune related adverse events, principles for immunotherapy rechallenge, and function preservation strategies. After multiple rounds of panel discussion and through anonymous voting using the Delphi method, the following consensus statements have been formulated: 1) Neoadjuvant therapy with PD-1 inhibitors can be used preoperatively in patients with locally advanced OSCC. The preferred regimen is a PD-1 inhibitor combined with platinum based chemotherapy, administered for 2-3 cycles. 2) During the efficacy evaluation of neoadjuvant therapy, radiographic assessment should follow the dual criteria of Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 and immune RECIST (iRECIST). After surgery, systematic pathological evaluation of both the primary lesion and regional lymph nodes is required. For combination chemotherapy regimens, PD-L1 expression and combined positive score need not be used as mandatory inclusion or exclusion criteria. 3) For special populations such as the elderly (≥ 70 years), individuals with stable HIV viral load, and carriers of chronic HBV/HCV, PD-1 inhibitors may be used cautiously under the guidance of a multidisciplinary team (MDT), with close monitoring for adverse events. 4) For patients with a poor response to neoadjuvant therapy, continuation of the original treatment regimen is not recommended; the subsequent treatment plan should be adjusted promptly after MDT assessment. Organ transplant recipients and patients with active autoimmune diseases are not recommended to receive neoadjuvant PD-1 inhibitor therapy due to the high risk of immune related activation. Rechallenge is generally not advised for patients who have experienced high risk immune related adverse events such as immune mediated myocarditis, neurotoxicity, or pneumonitis. 5) For patients with a good pathological response, individualized de escalation surgery and function preservation strategies can be explored. This consensus aims to promote the standardized, safe, and precise application of neoadjuvant PD-1 inhibitor strategies in the management of locally advanced OSCC patients.


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