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Magnesium (Mg2+) has gained oncologists’ attention due to its wide range of biological functions and frequent use as a complementary or integrative agent. This review outlines Mg’s actions, its complex role in carcinogenesis and tumor risk, and clinical issues. Mg2+ is essential in numerous biochemical processes, including adenosine triphosphate production, cellular signal transduction, DNA, RNA and protein synthesis, and bone formation. Pertinent full-text articles were thoroughly examined, and the most relevant ones were selected for inclusion in this review. There is conflicting scientific evidence about the relationship between Mg2+ changes and cancer risk, apart from colorectal cancer. Chronic Mg2+ deficiency leads to immune dysfunctions and enhanced baseline inflammation associated with oxidative stress related to various age-associated morbidities and cancer. On the other hand, Mg2+ deficiency is associated with drug or chemotherapy-related hypomagnesemia, postoperative pain, cachexia, opioid-induced constipation, normal tissue protection from radiation damage, and prevention of nephrotoxicity. A balanced diet usually provides sufficient Mg2+, but supplementation may be necessary in some clinical settings.

Inhibition of angiogenesis is a valuable treatment strategy for ovarian cancer. Pazopanib is an anti-angiogenic drug active in ovarian cancer. We assessed the effect of adding pazopanib to paclitaxel for patients with platinum-resistant or platinum-refractory advanced ovarian cancer. We did this open-label, randomised phase 2 trial at 11 hospitals in Italy. We included patients with platinum-resistant or platinum-refractory ovarian cancer previously treated with a maximum of two lines of chemotherapy, Eastern Cooperative Oncology Group performance status 0–1, and no residual peripheral neurotoxicity. Patients were randomly assigned (1:1) to receive weekly paclitaxel 80 mg/m2 with or without pazopanib 800 mg daily, and stratified by centre, number of previous lines of chemotherapy, and platinum-free interval status. The primary endpoint was progression-free survival, assessed in the modified intention-to-treat population. This trial is registered with ClinicalTrials.gov, number NCT01644825. This report is the final analysis; the trial is completed. Between Dec 15, 2010, and Feb 8, 2013, we enrolled 74 patients: 37 were randomly assigned to receive paclitaxel and pazopanib and 37 were randomly assigned to receive paclitaxel only. One patient, in the paclitaxel only group, withdrew from the study and was excluded from analyses. Median follow-up was 16·1 months (IQR 12·5–20·8). Progression-free survival was significantly longer in the pazopanib plus paclitaxel group than in the paclitaxel only group (median 6·35 months [95% CI 5·36–11·02] vs 3·49 months [2·01–5·66]; hazard ratio 0·42 [95% CI 0·25–0·69]; p=0·0002). We recorded no unexpected toxic effects or deaths from toxic effects. Adverse events were more common in the pazopanib and paclitaxel group than in the paclitaxel only group. The most common grade 3–4 adverse events were neutropenia (11 [30%] in the pazopanib group vs one [3%] in the paclitaxel group), fatigue (four [11%] vs two [6%]), leucopenia (four [11%] vs one [3%]), hypertension (three [8%] vs none [0%]), raised aspartate aminotransferase or alanine aminotransferase (three [8%] vs none), and anaemia (two [5%] vs five [14%]). One patient in the pazopanib group had ileal perforation. Our findings suggest that a phase 3 study of the combination of weekly paclitaxel plus pazopanib for patients with platinum-resistant or platinum-refractory advanced ovarian cancer is warranted. National Cancer Institute of Napoli and GlaxoSmithKline.

Breast cancer associated with BRCA1 and BRCA2 mutations presents unique therapeutic challenges, traditionally favoring mastectomy due to concerns over recurrence and new primaries. However, evolving evidence and advances in multimodal therapy have reshaped this paradigm, positioning breast-conserving surgery (BCS) as a viable option for selected carriers. This narrative review synthesizes current data from meta-analyses, retrospective cohorts, and pivotal studies, including a multicenter analysis which affirmed oncologic equivalence between BCS and mastectomy when combined with radiotherapy and systemic therapy. While meta-analyses confirm higher local events following BCS, survival remains comparable, indicating that recurrence reflects genetic predisposition rather than surgical inadequacy. Optimized systemic treatments, including chemotherapy, endocrine therapy, risk-reducing salpingo-oophorectomy, and PARP inhibitors, further mitigate recurrence risk. Meanwhile, patient-centered outcomes favor BCS: studies consistently link it to improved body image, psychosocial well-being, and quality of life, especially for younger BRCA carriers. Fertility-preserving options remain viable, with evidence supporting the safety of pregnancy, breastfeeding, and assisted reproductive technologies in BRCA-mutated survivors. These findings support individualized surgical planning for BRCA carriers within multidisciplinary care, balancing oncologic safety, systemic strategies, and psychosocial priorities. BCS should be considered a standard option for well-selected patients in hereditary breast cancer management.

Patients with luminal breast cancer (BC) may develop central nervous system metastases in 20%–40% of cases. Radiation or surgical therapy represents the cornerstone of treating central nervous system metastases. Meanwhile, the best practice for metastatic luminal BC involves using cyclin-dependent kinase 4/6 inhibitors combined with endocrine therapy. To our knowledge, this is the first case to report a dramatic response of breast metastases to abemaciclib plus endocrine therapy without radiation therapy, particularly in a patient who presented with seizures and sudden coma. She received brain surgery to control a large bleeding metastasis. Abemaciclib was crushed and diluted in water for administration via the nasogastric tube, while an upfront fulvestrant was given since aromatase inhibitors cannot be diluted. Beyond the radiological response, the clinical improvement was notable, with complete symptom recovery to the point where she is again working. Our paper supports the activity of abemaciclib in brain metastases from luminal BC and includes a review of the medical literature. Further investigation is warranted in this clinical setting.

Background: Adherence to oral anticancer therapies among breast cancer patients is an often-overlooked issue. A lack of patient compliance can be caused by several factors, and may hinder the efficacy of prescribed medication, leading to a shorter than expected survival. In this context, few data about adherence to CDK4/6 inhibitors in real-world practice are available. We report here the results of a retrospective analysis of adherence to abemaciclib plus endocrine therapy in a cohort of women with hormone receptor-positive (HR+), epidermal growth factor 2 negative (HER2−) breast cancer. Methods: Abemaciclib adherence was computed as the ratio between the total number of cycles/months that medication was supplied and the months between the first and the last prescription. The proportion of Days Covered (PDC) ranged from 0 to 1. A score of 0.8 (i.e., 80% adherence rate) was the cutoff used to classify the patients as adherent (0.8 ≤ PDC ≤ 1) or non-adherent (0 ≤ PDC < 0.8). The received dose intensity was also calculated. Results: The abemaciclib pharmacy claims of 100 women with HR+/HER2− breast cancer were retrieved. Most patients (91%) were treated in the advanced setting. Abemaciclib was more frequently taken with an aromatase inhibitor (63%) than with fulvestrant (27%). In this population, the adherence rate was high (92.25% + 1.939 SD). The proportion of non-adherent patients taking abemaciclib with PDC <0.8 was 12%. There was a significative correlation between the occurrence of side effects and the use of <5 drugs for non-oncological illnesses, probably reflecting concomitant non-oncological diseases. Conclusions: Adherence to abemaciclib-based therapy is high in a real-life setting, pending the adequate and proactive management of patients. The careful evaluation of patients and detailed information about expected adverse events are essential to ensure adherence to this antineoplastic agent.

Chronic inflammation and cytokine storm can cause uncontrolled events in cancer. Pro-inflammatory molecules released by malignant cells send signals to the brain, liver, and neuroendocrine cells, interfering with appetite and promoting anorexia. Malnutrition in cancer patients is associated with increased treatment toxicity, reduced physical efficiency, and decreased survival. Therefore, early recognition of malnutrition could improve quality of life, treatment compliance, and survival. The aim of the study was to explore the relationship between inflammatory parameters with disease stage and nutritional status in patients with solid cancers. We screened 77 consecutive patients from 3 clinical Institutions in Sicily, Italy, with solid tumors who were either in follow-up after curative treatment or being treated for metastatic disease using the Mini Nutritional Assessment (MNA) questionnaire. Inflammatory parameters, including interleukin 6 (IL6), C-reactive protein (CRP), β2-microglobulin, ferritin, and transferrin were evaluated. A statistically significant difference was found in mean values of IL6, CRP, β2-microglobulin, ferritin, and transferrin between patients without evidence of disease and metastatic patients. Among the metastatic group, there was a significant difference in mean values of these inflammatory parameters between patients with malnutrition and those with normal nutritional status. The difference in average IL6, CRP, β2-microglobulin, and ferritin between patients at risk of malnutrition and those with normal nutritional status was also significant. However, the difference between patients at risk of malnutrition and those with malnutrition was not significant. IL6, CRP, transferrin, ferritin, and β2-microglobulin are functional inflammatory parameters that indicate risk of malnutrition and support the MNA screening test to identify patients with solid tumors who require nutritional support.

A high percentage of cancer patients use complementary therapies (CM) during their disease journey. Several barriers for CM prescription still exist among oncologists. This study explored oncologists' attitudes toward prescribing CM with oral supplements or confirming prescriptions made by others. The study employed a mixed semi-quantitative and qualitative research strategy via a web-based platform interview as a preliminary step for a program of observational studies on the oncologist's prescriptions of oral supplements in cancer management, in Italy. Out of 95 invited oncologists, 40 participated in the study, mainly working in a general hospital or a cancer center. The deep knowledge of guidelines on integrative medicine was generally poor. The symptoms driving oncologists to initiate discussions on CM with patients were fatigue, anorexia/poor appetite, weight loss, insomnia, distress, neuropathy, or pain. The presence of reliable data in the medical literature on prescribing CM was a significant factor in choosing a supplement. This study reveals that oncologists' limited knowledge and lack of standardized guidelines hinder the prescription of CM, despite recognizing its potential benefits. CM discussions are primarily patient-driven, with prescriptions influenced by reliable scientific data and symptom management. Expanding integrative medicine services and research on CM efficacy could enhance oncologists' confidence, improve patient care, and address unmet needs in oncology.

Bevacizumab is approved in combination with chemotherapy for the treatment of ovarian cancer, either in first-line therapy or for patients with recurrent disease not previously treated with the same drug. We aimed to test the value of continuing bevacizumab beyond progression after first-line treatment with the same drug. In our open-label, randomised, phase 3 trial done at 82 sites in four countries, we enrolled women (aged ≥18 years) who had previously received first-line platinum-based therapy including bevacizumab, and had recurrent (≥6 months since last platinum dose), International Federation of Gynaecology and Obstetrics stage IIIB–IV ovarian cancer with an Eastern Cooperative Oncology Group performance status 0–2. Patients were randomly assigned (1:1) to receive a carboplatin-based doublet intravenously (carboplatin area under the concentration curve [AUC] 5 on day 1 plus paclitaxel 175 mg/m2 on day 1, every 21 days; carboplatin AUC 4 on day 1 plus gemcitabine 1000 mg/m2 on days 1 and 8, every 21 days; or carboplatin AUC 5 on day 1 plus pegylated liposomal doxorubicin 30 mg/m2 on day 1, every 28 days), or a carboplatin-based doublet plus bevacizumab (10 mg/kg intravenous every 14 days combined with pegylated liposomal doxorubicin–carboplatin, or 15 mg/kg every 21 days combined with gemcitabine–carboplatin or paclitaxel–carboplatin). Evaluable disease according to RECIST 1.1 guidelines was required before randomisation. Randomisation was done through the trial website with a minimisation procedure, stratified by centre, time of recurrence, performance status, and type of second-line chemotherapy. The primary endpoint was investigator-assessed progression-free survival, analysed on an intention-to-treat basis. Safety was assessed in all participants who received at least one dose. This trial is registered with ClinicalTrials.gov, NCT01802749 and EudraCT 2012-004362-17. Between Dec 6, 2013, and Nov 11, 2016, 406 patients were recruited (203 [50%] assigned to the bevacizumab group and 203 [50%] to the standard chemotherapy group). 130 patients (64%) in the bevacizumab group and 131 (65%) in the standard chemotherapy group had progressed after receiving a last dose of platinum more than 12 months before, and 146 patients (72%) in the bevacizumab group and 147 (72%) in the standard chemotherapy group had progressed after completion of first-line bevacizumab maintenance. 161 participants (79%) progressed in the standard chemotherapy group, as did 143 (70%) in the bevacizumab group. Median progression-free survival was 8·8 months (95% CI 8·4–9·3) in the standard chemotherapy group and 11·8 months (10·8–12·9) in the bevacizumab group (hazard ratio 0·51, 95% CI 0·41–0·65; log-rank p<0·0001). Most common grade 3–4 adverse events were hypertension (20 [10%] in the standard chemotherapy group vs 58 (29%) in the bevacizumab group), neutrophil count decrease (81 [41%] vs 80 [40%]), and platelet count decrease (43 [22%] vs 61 [30%]). 68 patients (33%) died in the standard chemotherapy group and 79 (39%) died in the bevacizumab group; two deaths (1%) in the standard chemotherapy group and one death (<1%) in the bevacizumab group were deemed to be treatment-related. Continuing bevacizumab beyond progression combined with chemotherapy in patients with platinum-sensitive recurrent ovarian cancer improves progression-free survival compared with standard chemotherapy alone and might be considered in clinical practice. Hoffmann–La Roche and Associazione Italiana per la Ricerca sul Cancro.

Patients affected by metastatic carcinoma of the colon/rectum (mCRC) harboring mutations in the BRAF gene (MBRAF) respond poorly to conventional therapy and have a prognosis worse than that of patients without mutations. Despite the promising outcomes of targeted therapy utilizing multi-targeted inhibition of the mitogen-activated protein kinase (MAPK) signaling system, the therapeutic efficacy, especially for the microsatellite stable/DNA proficient mismatch repair (MSS/PMMR) subtype, remains inadequate. Patients with MBRAF/mCRC and high microsatellite instability or DNA deficient mismatch repair (MSI-H/DMMR) exhibit a substantial tumor mutation burden, suggesting a high probability of response to immunotherapy. It is widely acknowledged that MSS/pMMR/mCRC is an immunologically \"cold\" malignancy that exhibits resistance to immunotherapy. The integration of targeted therapy and immunotherapy may enhance clinical outcomes in patients with MBRAF/mCRC. Efforts to enhance outcomes are exclusively focused on MSS/DMMR-BRAF mutant cancers, which constitute the largest proportion. This review evaluates the clinical efficacy and advancement of novel immune checkpoint blockade therapies for MSI-H/DMMR and MSS/PMMR BRAF mutant mCRC. We examine potential indicators in the tumor immune milieu for forecasting immunotherapeutic response in BRAF mutant mCRC.

Immune checkpoint inhibitor (ICI) therapy has revolutionized cancer treatment by enhancing the immune response against tumor cells. However, their influence on immune pathways can lead to immune-related adverse events such as pneumonitis, necessitating rapid diagnosis and management to prevent severe complications. These adverse events arise from the activation of the immune system by immunotherapeutic drugs, leading to immune-mediated inflammation and tissue damage in various organs and tissues throughout the body. The present review article discusses the pathophysiology, clinical presentation, diagnostic modalities and management strategies for ICI-related pneumonitis, emphasizing early recognition and tailored interventions. Future research endeavors should focus on elucidating the underlying mechanisms of pneumonitis and identifying predictive biomarkers to guide personalized treatment strategies in this evolving field of oncology.