Publications by authors named "Krzakowski M"

Immune checkpoint inhibitors (ICIs) have become an established treatment option for patients with advanced non-small cell lung cancer (NSCLC). However, the efficacy of single-agent immunotherapy as well as in combination with chemotherapy seems to be dependent on the presence of molecular abnormalities in some genes-serine/threonine kinase 11 (), Kelch-like ECH-associated protein 1 () and Kirsten rat sarcoma viral oncogene homolog () among them. The gene is a critical regulator of the cellular response to oxidative stress and electrophilic stress, thus playing a pivotal role in maintaining cellular homeostasis.

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  • The study investigated the impact of venous thromboembolic events (VTE) on overall survival in patients with ALK-positive lung cancer who received treatment with ALK inhibitors.
  • A total of 54 patients were analyzed, finding that 22.2% experienced VTE, which significantly reduced their overall survival compared to those without VTE (median of 11.7 vs. 37.4 months).
  • The findings highlighted that active treatment with certain ALK inhibitors, as well as specific clinical factors like liver metastases and higher leukocyte counts, increased the risk of VTE and negatively affected patient survival.
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  • The POL-MOL study aimed to assess the use of molecular testing in Polish patients diagnosed with metastatic non-small cell lung cancer (NSCLC), as its extent was previously unknown.
  • Oncologists completed questionnaires about molecular testing for various genetic mutations and PD-L1 assessment, collecting data from 1001 patients receiving systemic treatment.
  • Results indicated that molecular tests were conducted in 78% of NSCLC patients, with higher testing rates in more advanced disease stages, and about 30% of tests in squamous cell carcinoma patients were positive for specific mutations.
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  • Many patients with advanced cancer, like tracheal cancers, can't be cured, making palliative care vital.
  • Existing studies mostly look at palliative care as part of broader cancer treatments and don't focus solely on tracheal tumors.
  • This review presents the first detailed clinical guidelines for palliative treatment specifically for tracheal cancer, addressing unique challenges not covered by other cancer treatment guidelines.
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Context: Nonsmall Cell Lung Cancer (NSCLC) treatment relies on first-line immunotherapy as single agent or combined with chemotherapy. Oligoprogression may be observed in this setting.

Material And Method: We performed a European multicentric retrospective study on patients treated with first-line immunotherapy, who presented with oligoprogressive disease, treated with a local ablative treatment.

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Pulmonary benign metastasizing leiomyoma (PBML) is a rare condition characterized by the spread of uterine leiomyomas to the lungs, typically observed in premenopausal women with a history of hysterectomy or myomectomy. This report presents a unique case of a postmenopausal woman, aged 65, that emphasizes the clinical, radiological, histologic, and immunohistochemical aspects of the disease. On presentation, the patient suffered from severe pain.

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  • The study examined the effect of PD-L1 expression levels on overall survival (OS) in stage IV non-small cell lung cancer (NSCLC) patients treated with pembrolizumab.
  • A total of 617 patients from multiple oncology centers were analyzed, categorized by PD-L1 expression levels (≥50%).
  • The results indicated no significant difference in OS related to varying PD-L1 expression levels, suggesting that higher PD-L1 levels do not correlate with improved survival outcomes in these patients.
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The key association between gut dysbiosis and cancer is already known. Here, we used whole-genome shotgun sequencing (WGS) and gas chromatography/mass spectrometry (GC/MS) to conduct metagenomic and metabolomic analyses to identify common and distinct taxonomic configurations among 40, 45, 71, 34, 50, 60, and 40 patients with colorectal cancer, stomach cancer, breast cancer, lung cancer, melanoma, lymphoid neoplasms and acute myeloid leukemia (AML), respectively, and compared the data with those from sex- and age-matched healthy controls (HC). α-diversity differed only between the lymphoid neoplasm and AML groups and their respective HC, while β-diversity differed between all groups and their HC.

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The efficacy of pembrolizumab in the treatment-naïve non-small-cell lung cancer (NSCLC) patients was proved in the KEYNOTE-024 randomized trial. The aim of this systematic literature review was to identify and summarize the real world evidence (RWE) of overall survival (OS) in previously untreated patients with NSCLC receiving pembrolizumab monotherapy. A systematic search was conducted in PubMed (MEDLINE®) and EMBASE databases.

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Objective: Primary tracheal tumors are very rare and their management is not definitely established. Due to its rarity, providing patient care in terms of optimal management poses a considerable challenge. The purpose of this study was to investigate treatment outcomes in patients with these rare tumors.

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Background: Primary tracheal tumors are very rare and the literature on this subject is limited. The most common histological type of primary tracheal tumors is squamous cell carcinoma (SCC), followed by adenoid cystic carcinoma (ACC). Limited knowledge exists regarding the behavior and outcomes of different histological types of tracheal cancers.

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Introduction: Pembrolizumab combined with chemotherapy has become the standard of care for patients with non-small-cell lung cancer (NSCLC) and the expression of programmed death ligand 1 (PD-L1) in <50% of tumour cells (TC).

Methods: We evaluated the efficacy of the treatment in real-world practice, paying attention to the predictive factors, with a special focus on low level of PD-L1 expression. This study is a multicenter retrospective analysis of patients with stage IV NSCLC.

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• Genetic alterations in can lead to the expression of oncogenic fusion proteins in multiple tumor types, including in 1% to 2% of non–small-cell lung cancer (NSCLC) cases. Approximately 40% of patients with fusion-positive NSCLC have baseline central nervous system (CNS) metastases, indicating the need for a treatment with CNS activity. Entrectinib, a potent ROS1 tyrosine kinase inhibitor with activity in the CNS, has previously demonstrated overall and intracranial efficacy, and a manageable safety profile, in patients with fusion-positive NSCLC.

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Objectives: In the Phase I/III IMpower133 study, first-line atezolizumab plus carboplatin and etoposide (CP/ET) treatment for extensive-stage small cell lung cancer (ES-SCLC) significantly improved overall survival (OS) and progression-free survival versus placebo plus CP/ET. We explored patient and disease characteristics associated with long-term survival in IMpower133, and associations of differential gene expression and SCLC-A (ASCL1-driven), SCLC-N (NEUROD1-driven), SCLC-P (POU2F3-driven), and SCLC-inflamed (SCLC-I) transcriptional subtypes with long-term survival.

Materials And Methods: Patients with previously untreated ES-SCLC were randomized 1:1 to four 21-day cycles of CP/ET with atezolizumab or placebo.

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Background: The efficacy of nivolumab and atezolizumab in advanced pre-treated NSCLC was documented in prospective trials. We aim to confirm the benefits and indicate predictive factors for immunotherapy in daily practice.

Methods: This study was a retrospective analysis.

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Article Synopsis
  • The text discusses a new approach to treating advanced renal cancer by combining immunotherapy and targeted therapy, particularly focusing on cabozantinib + nivolumab.
  • The review compares this combination with other therapies recommended in current guidelines, looking at their effectiveness in clinical trials for metastatic clear-cell renal cell carcinoma (RCC).
  • A network meta-analysis (NMA) indicated that cabozantinib + nivolumab outperformed other treatments like axitinib + pembrolizumab and nivolumab + ipilimumab in terms of overall survival and progression-free survival, with statistically significant advantages under certain conditions.
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Non-small-cell lung cancer (NSCLC) represents 85% of new cases of lung cancer. Over the past two decades, treatment of patients with NSCLC has evolved from the empiric use of chemotherapy to more advanced targeted therapy dedicated to patients with an epidermal growth factor receptor () mutation. The multinational REFLECT study analyzed treatment patterns, outcomes, and testing practices among patients with -mutated advanced NSCLC receiving first-line EGFR tyrosine kinase inhibitor (TKI) therapy across Europe and Israel.

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The study was conducted in the era when maintenance immunotherapy with durvalumab was not available in clinical practice after chemoradiotherapy (CRT) in unresectable non-small-cell lung cancer (NSCLC). The main aim of the study was to check whether the presence of cardiovascular diseases (CVD) and their pharmacotherapy affects the overall survival (OS) in such NSCLC patients undergoing sequential CRT. The group of 196 patients were analyzed: 101 patients with CVD (51.

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The role of sequential chemoradiotherapy in non-small cell lung cancer (NSCLC) patients who are not eligible for concurrent therapy has not been clearly defined. The aim of this study was to determine the usefulness of Karnofsky performance status (KPS) monitoring and to define the factors determining clinical deterioration during sequential chemoradiotherapy in patients treated from July 2009 to October 2014. The study included 196 patients.

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Savolitinib is a highly selective MET tyrosine kinase inhibitor. MET is involved in numerous cellular processes such as proliferation, differentiation and the formation of distant metastases. MET amplification and MET overexpression are quite common in many cancers, but MET exon 14 skipping alteration is most common in non-small cell lung cancer (NSCLC).

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Background The implementation of next-generation sequencing (NGS) into daily practice allows for the identification of a greater number of molecular abnormalities. We aimed to confirm the benefits of immunotherapy in the group of patients with KRAS aberrations treated within clinical practice. Methods This study was a retrospective analysis of the patients (pts) treated in routine practice within the National Drug Programme in Poland.

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Continuous progress in the diagnostics and treatment of neuroendocrine neoplasms (NENs), the emerging results of new clinical trials, and the new guidelines issued by medical societies have prompted experts from the Polish Network of Neuroendocrine Tumours to update the 2017 recommendations regarding the management of neuroendocrine neoplasms. This article presents the general recommendations for the management of NENs, resulting from the findings of the experts participating in the Fourth Round Table Conference, entitled "Polish Guidelines for the Diagnostics and Treatment of Neuroendocrine Neoplasms of the gastrointestinal tract, Żelechów, June 2021". Drawing from the extensive experience of centres treating these cancers, we hope that we have managed to formulate the optimal method of treating patients with NENs, applying the latest reports and achievements in the field of medicine, which can be effectively implemented in our country.

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Cancer of unknown primary (CUP) represents a rare oncological and heterogeneous disease in which one or more metastases are present, but the location of the primary site is unknown. Pathological diagnosis, using immunohistochemistry, of such metastatic materials is challenging and frequently does not allow for determining the tissue of origin (ToO). The selection of systemic therapy in patients with CUP is usually based on empiric grounds, and the prognosis is generally unfavourable.

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Introduction: In the phase 1/3 IMpower133 study, atezolizumab plus carboplatin and etoposide (CP/ET) followed by maintenance atezolizumab for first-line treatment of extensive-stage SCLC (ES-SCLC) led to improvement in both overall survival (OS) and progression-free survival (PFS) versus placebo plus CP/ET followed by maintenance placebo. We explored the benefit of atezolizumab versus placebo in the subset of patients who reached the IMpower133 maintenance phase and the safety profile of maintenance therapy.

Methods: Patients with untreated ES-SCLC were randomized 1:1 to four 21-day cycles of CP/ET with atezolizumab or placebo, followed by maintenance atezolizumab or placebo.

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