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Immune checkpoint inhibitors and other immune-based cancer therapies have profoundly transformed the treatment of solid and hematological malignancies, leading to durable responses and significant survival benefits in a growing number of patients [...]

Background Vaccination rates are still suboptimal in cancer patients. Oncologists play a central role in recommending vaccines to their patients. Our goal was to investigate vaccine acceptance among cancer patients and understand the factors shaping their choices, thereby aiding physicians in better supporting their patients’ vaccination decisions. Methods We designed a prospective cross-sectional survey exploring vaccination status, attitudes, and reasons for hesitancy towards vaccinations against the main vaccine preventable diseases (VPDs) among patients undergoing active cancer treatment. The primary endpoint was to evaluate the proportion of vaccinated subjects in our cohort of cancer patients. The secondary endpoints were to assess the proportion of vaccinated subjects against different types of VPDs: flu, COVID-19, pneumococcal disease, Herpes Zoster (HZ). Results Between 12 February and 01 March 2024, a total of three hundred and seventeen patients with cancer were invited to respond to the survey, 309 of whom (97%) agreed to do it. Two hundred seventy-three patients (0.88, 95% confidence interval [CI] 0.84–0.91) had received at least one vaccination. Two hundred thirty-one patients (74.76%) reported that at their first oncology visit their oncologist recommended vaccinations, primarily anti-flu (92.21%) and anti-SARS-CoV-2 (83.55%) vaccinations, while less frequently the anti-pneumococcal (42.42%) and anti-HZ (37%) vaccines were recommended. On the univariate analysis, age over 75 years ( p  = 0.041), marital status ( p  = 0.003) and the oncologist’s vaccine recommendation during the first visit ( p  < 0.001) were significantly associated to vaccine acceptance. At the multivariable analysis, these variables were independently associated with vaccine willingness. Overall in our cancer population, the two main reasons for vaccine hesitancy were the lack of recommendation by the oncologist (55.41%, n  = 128) and the lack of awareness of the importance of vaccination in the context of oncological care (49.35%, n  = 114). Conclusions This survey emphasizes the importance of vaccine counseling by the oncologist to their patients. Oncologists can motivate patients to receive the correct vaccine schedule by addressing doubts and concerns about the potential negative impact of the vaccine on cancer and cancer therapies.

Purpose Breast lesions classified as of “uncertain malignant potential” represent a heterogeneous group of abnormalities with an increased risk of associated malignancy. Clinical management of B3 lesions diagnosed on vacuum-assisted breast biopsy (VABB) is still challenging: surgical excision is no longer the only available treatment and VABB may be sufficient for therapeutic excision. The aim of the present study is to evaluate the positive predictive value (PPV) for malignancy in B3 lesions that underwent surgical excision, identifying possible upgrading predictive factors and characterizing the malignant lesions eventually diagnosed. These results are compared with a subset of patients with B3 lesions who underwent follow-up. Methods A total of 1250 VABBs were performed between January 2006 and December 2017 at our center. In total, 150 B3 cases were diagnosed and 68 of them underwent surgical excision. VABB findings were correlated with excision histology. A PPV for malignancy for each B3 subtype was derived. Results The overall PPV rate was 28%, with the highest upgrade rate for atypical ductal hyperplasia (41%), followed by classical lobular neoplasia (29%) and flat epithelial atypia (11%). Only two cases of carcinoma were detected in the follow-up cohort, both associated with atypical ductal hyperplasia at VABB. Conclusion Open surgery is recommended in case of atypical ductal hyperplasia while, for other B3 lesions, excision with VABB only may be an acceptable alternative if radio-pathological correlation is assessed, if all microcalcifications have been removed by VABB, and if the lesion lacks high-risk cytological features. Key Points • Surgical treatment is strongly recommended in case of ADH, while the upgrade rate in case of pure FEA, especially following complete microcalcification removal by VABB, may be sufficiently low to advice surveillance as a management strategy. • The use of 11-G- or 8-G-needle VABB, resulting in possible complete diagnostic excision of the lesion, can be an acceptable alternative in case of RS, considering open surgery only for selected high-risk patients. • LN management is more controversial: surgical excision may be recommended following classical LN diagnosis on breast biopsy if an additional B3 lesion is concurrently detected while in the presence of isolated LN with adequate radiological-pathological correlation follow-up alone could be an acceptable option.

Background: Trastuzumab–deruxtecan (T-DXd), a new-generation antibody drug conjugate, has greatly improved the survival and clinical benefit rates of patients affected by advanced HER2-positive/HER2-low breast cancer according to the results of controlled clinical trials with a manageable safety profile. Data from randomized clinical trials can provide valuable information for the management of patients in everyday clinical practice, including those who would typically be excluded from such trials due to not meeting the inclusion criteria. Methods: In this narrative review, we describe and discuss real-world studies in the literature on the use of T-Dxd in HER2-positive and HER2-low MBC patients, providing a critical analysis of the specific settings of clinical interest. Results: Using a PubMed search, we identified nine real-world studies on T-DXd that are available in the literature. A total of 7146 patients have been included in these retrospective studies. A total of 5/9 studies also included HER2-low MBC patients. In the majority of cases, patients had high disease burden with lung and liver involvement. We then reviewed and discussed clinical areas of interest, including heavily pretreated patients, poor performance status, HER2-positive versus HER2-low disease, brain metastasis, elderly patients, lung toxicity, safety profile, and dose modifications. Conclusions: Our analysis confirms the activity of the drug described in real-world studies and shows a favorable safety profile, with manageable adverse effects.

Introduction The hyperinflammation phase of severe SARS-CoV-2 is characterised by complete blood count alterations. In this context, the neutrophil-to-lymphocyte ratio (NLR) and the platelet-to-lymphocyte ratio (PLR) can be used as prognostic factors. We studied NLR and PLR trends at different timepoints and computed optimal cutoffs to predict four outcomes: use of continuous positive airways pressure (CPAP), intensive care unit (ICU) admission, invasive ventilation and death. Methods We retrospectively included all adult patients with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pneumonia admitted from 23 January 2020 to 18 May 2021. Analyses included non-parametric tests to study the ability of NLR and PLR to distinguish the patients’ outcomes at each timepoint. Receiver operating characteristic (ROC) curves were built for NLR and PLR at each timepoint (minus discharge) to identify cutoffs to distinguish severe and non-severe disease. Their statistical significance was assessed with the chi-square test. Collection of data under the SMACORE database was approved with protocol number 20200046877. Results We included 2169 patients. NLR and PLR were higher in severe coronavirus disease 2019 (COVID-19). Both ratios were able to distinguish the outcomes at each timepoint. For NLR, the areas under the receiver operating characteristic curve (AUROC) ranged between 0.59 and 0.81, and for PLR between 0.53 and 0.67. From each ROC curve we computed an optimal cutoff value. Conclusion NLR and PLR cutoffs are able to distinguish severity grades and mortality at different timepoints during the course of disease, and, as such, they allow a tailored approach. Future prospects include validating our cutoffs in a prospective cohort and comparing their performance against other COVID-19 scores.

Introduction The gut microbiota (GM) can influence the pathogenesis of immune‐mediated adverse events (irAEs). Proton pump inhibitors (PPIs) can affect the integrity of GM, but their role in promoting irAEs is still poorly understood. Methods In this retrospective single‐center cohort study, the primary endpoint was the evaluation of the incidence of gastrointestinal (GI) irAEs in cancer patients on PPIs (exposed) versus cancer patients who were not on PPIs (unexposed). Results Three hundred and sixty three patients' records (248 M/115F, median age 69) were reviewed. Twenty‐three exposed patients (92%) developed GI irAEs while only two unexposed patients (8%) developed GI irAEs (hazard ratio [HR] 13.22, 95% confidence interval [CI] 3.11–56.10, p < 0.000). This HR was confirmed after weighting for the propensity score (HR15.13 95% CI 3.22–71.03, p < 0.000). Conclusion Chronic PPI use is associated with an increased risk of GI irAES.

Gastric cancer (GC) is a complex disease with various etiologies. While Helicobacter pylori infection is still one of the leading risk factors for GC, increasing evidence suggests a link between GC and other infective agents such as Epstein Bar Virus (EBV). EBV-associated gastric cancer (EBVaGC) is now recognized as a distinct subgroup of GC, and the complex interactions between the virus and gastric mucosa may influence its development. A recent integrative analysis of the genome and proteome of GC tissues by The Cancer Genome Atlas project has identified EBVaGC as a specific subtype characterized by PIK3CA and ARID1A mutations, extensive DNA hyper-methylation, and activation of immune signaling pathways. These molecular characteristics are markers of the unique molecular profile of this subset of GC and are potential targets for therapy. This review aims to provide an overview of the current knowledge on EBVaGC. It will focus on the epidemiology, clinic-pathological features, and genetic characteristics of EBVaGC. Additionally, it will discuss recent data indicating the potential use of EBV infection as a predictive biomarker of response to chemotherapy and immune checkpoint inhibitors. The review also delves into potential therapeutic approaches for EBVaGC, including targeted therapies and adoptive immunotherapy, highlighting the promising potential of EBV as a therapeutic target.

Emergency use authorization of drugs against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) by regulatory authorities has provided new options to treat high-risk outpatients with mild-to-moderate Coronavirus disease 2019 (COVID-19). We conducted an ambispective cohort study of patients with solid tumors on active treatment to examine the effectiveness of these drugs in preventing the progression to severe COVID-19. Sixty-nine patients with solid tumors (43 women, 26 men; median age 61, range 26–80) reported a laboratory-confirmed diagnosis of SARS-CoV-2 infection. Forty-nine patients received early therapy. Only one patient (14.5%) required hospitalization for COVID-19. As for safety, two patients (5.9%) reported nausea during nirmatrelvir/ritonavir. The majority of treated patients showed a reduced time to negative sample (73 vs. 18%, p = 0.0011) and shorter symptoms’ duration (94 vs. 27%; p < 0.0001) compared to the patients not treated with the early COVID-19 therapies. Our data suggest that early therapies may reduce the morbidity of COVID-19 in patients with solid tumors.

Breast cancer is the most common malignancy in the female sex; although recent therapies have significantly changed the natural history of this cancer, it remains a significant challenge. In the past decade, evidence has been put forward that some oncogenic viruses may play a role in the development of sporadic breast cancer; however, data are scattered and mostly reported as sparse case series or small case–control studies. In this review, we organize and report current evidence regarding the role of high-risk human papillomavirus, mouse mammary tumor virus, Epstein–Barr virus, cytomegalovirus, bovine leukemia virus, human polyomavirus 2, and Merkel cell polyomavirus in the pathogenesis of breast cancer.