Publications by authors named "CaiCun Zhou"

Background: Co-inhibition of immune checkpoints lymphocyte-activation gene 3 (LAG-3) and PD-1 is believed to enhance cancer immunotherapy through synergistic effects. Herein, we evaluate the safety and efficacy of IBI110 (anti-LAG-3 antibody) with sintilimab (an anti-PD-1 antibody) in Chinese patients with advanced solid tumors.

Methods: In this open-label phase I study, phase Ia dose escalation of IBI110 monotherapy and phase Ib combination dose escalation of IBI110 plus sintilimab were conducted in patients with advanced solid tumors.

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Pyrotinib, a novel pan-HER tyrosine kinase inhibitor, has demonstrated substantial anti-tumor activity in non-small cell lung cancer (NSCLC) patients harboring HER2 mutations. However, the inevitable resistance to pyrotinib necessitates an in-depth understanding of the underlying mechanisms. In this study, potential resistance-associated mutations were identified through genomic sequencing of clinically paired samples and were validated using in vitro and in vivo models.

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A randomized double-blind phase 3 trial (CHOICE-01, NCT03856411) demonstrated that combining toripalimab with chemotherapy substantially improves progression-free survival (PFS) in advanced non-small cell lung cancer (NSCLC) patients without pretreatment. This study presents the prespecified final analysis of overall survival (OS) and biomarkers utilizing circulating tumor DNA (ctDNA) and tissue-based sequencing. Additionally, the analysis revealed a higher median overall survival (OS, 23.

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Article Synopsis
  • Third-generation EGFR-tyrosine kinase inhibitors (EGFR-TKIs) are commonly used to treat patients with EGFR-mutant non-small cell lung cancer (NSCLC), but the factors affecting response or resistance to these treatments remain unclear.
  • This study utilized various advanced techniques such as single-cell RNA sequencing and flow cytometry to analyze tumor samples before and after treatment, revealing that resistant tumors had a significant presence of CXCR1 neutrophils, which were linked to immune suppression and tumor growth.
  • Patients with lower levels of CXCR1 neutrophils prior to treatment had better outcomes, including longer progression-free and overall survival, suggesting that CXCR1 neutrophil infiltration could serve as a predictor for treatment efficacy
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The discovery of the association between EGFR mutations and the efficacy of EGFR tyrosine-kinase inhibitors (TKIs) has revolutionized the treatment paradigm for patients with non-small-cell lung cancer (NSCLC). Currently, third-generation EGFR TKIs, which are often characterized by potent central nervous system penetrance, are the standard-of-care first-line treatment for advanced-stage EGFR-mutant NSCLC. Rational combinations of third-generation EGFR TKIs with anti-angiogenic drugs, chemotherapy, the EGFR-MET bispecific antibody amivantamab or local tumour ablation are being investigated as strategies to delay drug resistance and increase clinical benefit.

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  • A phase 3 study showed that combining camrelizumab with chemotherapy significantly improved progression-free survival in patients with advanced non-squamous non-small-cell lung cancer compared to chemotherapy alone.
  • After 5 years, overall survival rates were 31.2% for those receiving camrelizumab and chemotherapy versus 19.3% for those on chemotherapy alone, indicating a substantial benefit.
  • Patients who completed two years of treatment with camrelizumab had an impressive 5-year overall survival rate of 84.3%, reinforcing its effectiveness and safety as a first-line therapy for this cancer type.
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Background: The anti-angiogenic drugs showed remarkable efficacy in the treatment of lung cancer. Nonetheless, the potential roles of the intra-tumoral immune cell abundances and peripheral blood immunological features in prognosis prediction of patients with advanced lung cancer receiving anti-angiogenesis-based therapies remain unknown. In this study, we aimed to develop an immune-based model for early identification of patients with advanced lung cancer who would benefit from anti-angiogenesis-based therapies.

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  • Current percutaneous transthoracic needle biopsy (PTNB) systems face challenges, prompting the development of a new registration-free navigation system aimed at improving accuracy and efficiency in CT-guided procedures.
  • A study with 98 participants showed this new system achieved an impressive primary biopsy success rate of 98.98% with significantly fewer CT scans and a short procedure time of about 18 minutes.
  • While the system is deemed effective and safe, it did record few adverse events, primarily hemorrhage and pneumothorax, highlighting the importance of monitoring during clinical use.*
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Efficacious strategies for early detection of lung cancer metastasis are of significance for improving the survival of lung cancer patients. Here we show the marker genes and serum secretome foreshadowing the lung cancer site-specific metastasis through dynamic network biomarker (DNB) algorithm, utilizing two clinical cohorts of four major types of lung cancer distant metastases, with single-cell RNA sequencing (scRNA-seq) of primary lesions and liquid chromatography-mass spectrometry data of sera. Also, we locate the intermediate status of cancer cells, along with its gene signatures, in each metastatic state trajectory that cancer cells at this stage still have no specific organotropism.

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Importance: Patients with extensive-stage small cell lung cancer (ES-SCLC) have poor prognoses and unmet medical needs.

Objective: To evaluate the efficacy and safety of toripalimab plus etoposide and platinum-based chemotherapy (EP) vs placebo plus EP as a first-line treatment for patients with ES-SCLC.

Design, Setting, And Participants: This multicenter, double-blind, placebo-controlled phase 3 randomized clinical trial (EXTENTORCH study) enrolled patients from September 26, 2019, to May 20, 2021, and was conducted at 49 sites in China.

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  • Oncogenic RET alterations are key targets in various cancers, leading to a phase 1 study of the RET inhibitor SY-5007 in patients with RET-altered solid tumors, focusing on safety, maximum tolerated dose, and efficacy.
  • The study involved 122 patients across different cancer types, revealing a high rate of treatment-related adverse events (96.7%), particularly hypertension and diarrhea, alongside a promising overall response rate of 57.8%.
  • SY-5007 demonstrated notable efficacy regardless of prior treatments, with median progression-free survival of 21.1 months; circulating tumor DNA analysis indicated that monitoring RET alterations could inform treatment responses and resistance.
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  • Anti-PD-1 immunotherapy combined with chemotherapy has been shown to significantly extend survival rates for patients with squamous cell lung cancer (LUSC), but further research is needed to identify predictive biomarkers for treatment response.
  • The study involved RNA sequencing of 349 LUSC samples and additional experiments, revealing that a high presence of activated CD8 T and CD56 natural killer (NK) cells correlates with better patient outcomes.
  • Researchers established a new classification system based on tumor cornification and immune cell infiltration, which could help predict the effectiveness of the combination treatment and highlight potential immune evasion mechanisms in certain tumor cells.
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Introduction: Previous results from the phase 3 ALESIA study (NCT02838420) revealed that alectinib (a central nervous system [CNS]-active, ALK inhibitor) had clinical benefits in treatment-naïve Asian patients with advanced -positive NSCLC, consistent with the global ALEX study. We present updated data after more than or equal to 5 years of follow-up from the "last patient in" date.

Methods: Adult patients with treatment-naïve, advanced -positive NSCLC from mainland China, South Korea, and Thailand were randomized 2:1 to receive twice-daily 600 mg alectinib (n = 125) or 250 mg crizotinib (n = 62).

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  • Research seeks to improve chemotherapy and PD-1 inhibitors for advanced non-small-cell lung cancer (NSCLC) by analyzing circulating tumor DNA (ctDNA) from 460 patients in the CHOICE-01 study.
  • Key predictive markers such as ctDNA status, tumor mutational burden, and chromosomal instability were identified to tailor treatment strategies for better patient outcomes.
  • An integrated ctDNA-based stratification system, called blood-based genomic immune subtypes (bGIS), offers a new way to personalize therapies and monitor treatment responses in advanced NSCLC patients.
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  • Nofazinlimab is a humanized antibody targeting PD-1, showing no dose-limiting toxicities in an Australian first-in-human study with a maximum tolerated dose not reached in the 1-10 mg/kg range.
  • A phase 1a/1b trial in Chinese patients assessed its safety and efficacy, with phase 1a determining a recommended phase 2 dose of 200 mg every 3 weeks, while no dose-limiting toxicities were reported in phase 1b.
  • The results indicated that 23.9% of patients achieved confirmed objective responses, particularly in those with unresectable hepatocellular carcinoma when combined with lenvatinib, showing promising preliminary efficacy for further studies.
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  • A study has identified a 15-gene panel that can predict the effectiveness of PD-1 blockade plus chemotherapy in patients with untreated advanced non-small-cell lung cancer (NSCLC), as not all patients respond well to this treatment.
  • Researchers analyzed clinical and genomic data from 287 patients across various trials, discovering that alterations in the gene panel are linked to poorer treatment outcomes and survival rates.
  • Combining the gene panel's predictive ability with PD-L1 expression levels improves the accuracy of predicting who will benefit from this treatment approach, highlighting the relationship between tumor biology and the immune environment.
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Background: Immune checkpoint inhibitors (ICIs) have improved the prognosis of patients with non-small cell lung cancer but rarely been explored in pulmonary sarcomatoid carcinoma (PSC). This multicenter study aimed to evaluate the effectiveness of ICIs for PSC and its underlying mechanism.

Methods: Advanced PSC who received ICIs between August 2018 and May 2022 from 11 centers in China were included.

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Macrophage-to-osteoclast differentiation (osteoclastogenesis) plays an essential role in tumor osteolytic bone metastasis (BM), while its specific mechanisms remain largely uncertain in lung adenocarcinoma BM. In this study, we demonstrate that integrin-binding sialoprotein (IBSP), which is highly expressed in the cancer cells from bone metastatic and primary lesions of patients with lung adenocarcinoma, can facilitate BM and directly promote macrophage-to-osteoclast differentiation independent of RANKL/M-CSF. In vivo results further suggest that osteolytic BM in lung cancer specifically relies on IBSP-induced macrophage-to-osteoclast differentiation.

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KRAS G12D is the most frequently mutated oncogenic KRAS subtype in solid tumors and remains undruggable in clinical settings. Here, we developed a high affinity, selective, long-acting, and non-covalent KRAS G12D inhibitor, HRS-4642, with an affinity constant of 0.083 nM.

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Advances in the multidisciplinary care of early stage resectable NSCLC (rNSCLC) are emerging at an unprecedented pace. Numerous phase 3 trials produced results that have transformed patient outcomes for the better, yet these findings also require important modifications to the patient treatment journey trajectory and reorganization of care pathways. Perhaps, most notably, the need for multispecialty collaboration for this patient population has never been greater.

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