Oncology最新文献

Introduction: Documentation as well as IT-based management of medical data is of ever-increasing relevance in modern medicine. As radiation oncology is a rather technical, data-driven discipline, standardization, and data exchange are in principle possible. We examined electronic healthcare documents to extract structured information. Planning CT order entry documents were chosen for the analysis, as this covers a common and structured step in radiation oncology, for which standardized documentation may be achieved. The aim was to examine the extent to which relevant information may be exchanged among different institutions.

Materials and methods: We contacted representatives of nine radiation oncology departments. Departments using standardized electronic documentation for planning CT were asked to provide templates of their records, which were analyzed in terms of form and content. Structured information was extracted by identifying definite common data elements, containing explicit information. Relevant common data elements were identified and classified. A quantitative analysis was performed to evaluate the possibility of data exchange.

Results: We received data of seven documents that were heterogeneous regarding form and content. 181 definite common data elements considered relevant for the planning CT were identified and assorted into five semantic groups. 139 data elements (76.8%) were present in only one document. The other 42 data elements were present in two to six documents, while none was shared among all seven documents.

Conclusion: Structured and interoperable documentation of medical information can be achieved using common data elements. Our analysis showed that a lot of information recorded with healthcare documents can be presented with this approach. Yet, in the analyzed cohort of planning CT order entries, only a few common data elements were shared among the majority of documents. A common vocabulary and consensus upon relevant information is required to promote interoperability and standardization.

Purpose: We aimed to elucidate the functions and clinical relevance of sodium-glucose cotransporter 2 (SGLT2) in resected lung adenocarcinoma.

Methods: The protein expression of SGLT2 in tumor samples from 199 patients with lung adenocarcinoma was analyzed by immunohistochemistry, and the protein expression, clinical variables, and survival outcomes were compared.

Results: The median SGLT2 expression was significantly higher in advanced-stage and more aggressive adenocarcinomas. Age ≥70 (p < 0.01), BI ≥600 (p < 0.01), PRDX4 <25 (p < 0.01), and SGLT2 ≥12% (p = 0.03) were significant factors for RFS in multivariate analysis. Significant differences were observed in the RFS rates of the groups divided using the cutoff value of SGLT2 ≥12% (5-year RFS: 72.6% vs. 90%) (p < 0.01).

Conclusion: The expression of SGLT2 was more frequently detected in advanced-stage and more aggressive adenocarcinomas with aggressive biological behavior than in their counterparts. The survival analysis revealed that the strong expression of SGLT2 was associated with poorer RFS. The SGLT2 expression predicts postoperative recurrence in lung adenocarcinoma patients.

Introduction: Local Australian guidelines for the optimal management of stage III unresectable non-small cell lung cancer (NSCLC) are lacking. The American Society of Clinical Oncology (ASCO) guidelines recommend consolidation durvalumab for all patients with unresectable stage III NSCLC, irrespective of their PD-L1 expression or driver mutation status. The European Society of Medical Oncology (ESMO) differs, with consolidation durvalumab only recommended in those patients whose tumours express PD-L1.

Methods: Due to differing global guidelines, we conducted an Australia and New Zealand wide survey of medical oncologists specialising in thoracic cancer to determine the variations in patterns of prescribing durvalumab in stage III unresectable NSCLC. This survey was done electronically and sponsored by the Thoracic Oncology Group of Australia (TOGA).

Results: Thirty-two medical oncologists completed the survey. In patients with EGFR-mutated stage III unresectable NSCLC, 6% of respondents stated that they prescribed durvalumab for all patients, while an additional 6% strongly recommended treatment. Forty-four percent suggested little benefit of consolidation durvalumab in this cohort, with an additional 19% advocating for observation only. In patients with PD-L1 negative (0%) stage III unresectable NSCLC, 13% of respondents prescribed durvalumab for all patients, while an additional 56% strongly recommended treatment. Interestingly, 18%, 10%, and 10% of prescribers discussed self-funded oral tyrosine kinase inhibitor therapy in patients with EGFR, ALK, or ROS-1-mutated NSCLC respectively as a substitute for consolidation durvalumab.

Conclusion: Overall, the clinical practice of Australian and New Zealand Medical Oncologists is variable, but remains consistent with either the ASCO or ESMO guidelines. Local practice guidelines are required to ensure consistency in prescribing patterns across Australia, as well as providing evidence for self-funded treatments outside standard of care.

Introduction: The treatment of hepatocellular carcinoma (HCC) with transarterial chemoembolization (TACE) and lenvatinib individually has shown favorable outcomes, but there is currently no meta-analysis based on randomized controlled trials (RCTs) to investigate the efficacy and safety of this combined treatment for HCC. The aim of this study was to identify the efficacy and safety of TACE plus lenvatinib for the treatment of HCC.

Methods: A systematic search of MEDLINE (via PubMed), the Cochrane Library, EMBASE, and the Web of Science was conducted on July 31, 2023. RCTs evaluating the efficacy and safety of TACE in combination with lenvatinib for the treatment of HCC were included. The risk of bias in the included studies was assessed using the Risk of Bias 2 tool. Outcome measures such as objective response rate (ORR), complete remission (CR), progression-free survival (PFS), overall survival (OS), and safety parameters were extracted from the included studies. Binary outcomes were analyzed using odds ratio (OR), risk ratio, or hazard ratio (HR), while continuous variables were analyzed using mean difference (MD) or standardized MD in RStudio. The quality of the evidence was graded using the GRADE approach. Heterogeneity was considered significant when the I-squared was 50% or less.

Results: Five RCTs involving 638 patients were included. The meta-analysis revealed that patients in the TACE plus lenvatinib group had a significantly higher mean ORR compared to the control group (OR: 3.65, 95% confidence interval [CI]: 2.50-5.32, fixed-effects model; OR: 3.58, 95% CI: 2.45-5.24, random-effects model, I2 = 0, moderate quality). Specifically, 40.9% of patients in the TACE plus lenvatinib group achieved a PR, which was significantly higher than the control group (OR: 3.51, 95% CI: 2.41-5.13, fixed-effects model; OR: 3.46, 95% CI: 2.36-5.07, random-effects model, I2 = 0, moderate quality). The HR for OS was 0.47 (95% CI: 0.35-0.62, fixed-effects model and random-effects model, I2 = 0, moderate quality). The meta-analysis revealed that the TACE plus lenvatinib group had a significantly higher total adverse effects rate than the control group (OR: 1.86, 95% CI: 1.01-3.43, fixed-effects model; OR: 1.85, 95% CI: 1.00-3.43, random-effects model, I2 = 0, moderate quality).

Conclusion: Our study suggests that the combination of TACE and lenvatinib in the treatment of HCC has shown promising results, with extended OS and improved ORR.

Introduction: The risk of thromboembolic events developing limits the dose of antiangiogenic agents, thereby reducing their efficacy. This retrospective study therefore sought to identify predictors for the development of antiangiogenic agent-induced thromboembolic events and to elucidate whether differences in the likelihood of thromboembolic events exist between different antiangiogenic agents or cancer types, to guide future strategies for optimizing safety, efficacy, and quality of life in patients receiving chemotherapy.

Methods: This study retrospectively investigated 468 cancer patients who received chemotherapy with bevacizumab, ramucirumab, or aflibercept at our outpatient chemotherapy center between December 2016 and April 2022. Variables related to the development of thromboembolic events were extracted from the medical records, and multivariate logistic regression analysis was performed to identify predictors for the development of thromboembolic events. The Wilcoxon/Kruskal-Wallis test was used to detect significant differences between groups.

Results: Significant factors included serum albumin level (odds ratio [OR] = 0.363, 95% confidence interval [CI] = 0.193-0.685; p = 0.0017) and diabetes mellitus (OR = 5.356, 95% CI = 1.711-16.769; p = 0.0039). Renin-angiotensin system inhibitors (OR = 0.307) had low OR, although it was not significant. No difference in the development of thromboembolic events was evident between cancer types (p = 0.0781), but differences were identified between the three antiangiogenic agents (p = 0.0132). Ramucirumab was associated with a lower likelihood of thromboembolic events.

Conclusion: Serum albumin level and diabetes mellitus were identified as significant predictors for the development of antiangiogenic agent-induced thromboembolic events. In addition, the likelihood of thromboembolic events did not differ between cancer types but differed between antiangiogenic agents.

Introduction: This study aimed to show the relationship between the serum uric acid level measured at diagnosis and the BRAF mutation status in the primary tumor tissue in patients with metastatic colorectal cancer.

Methods: In this retrospective cross-sectional study, 264 patients (64% male) whose serum uric acid level was measured at the time of diagnosis and whose BRAF mutation status in the primary tumor was determined were included.

Results: The BRAF mutation rate was 14% (n = 37). The median serum uric acid levels of all patients were 6.9 mg/dL (25%, 75% percentile range 3.7, 8.2). The serum uric acid level cut-off value was 6.6 mg/dL. Sensitivity and specificity for BRAF mutated patients were 84% and 27%, respectively. These rates were calculated as 85% and 70% in BRAF-mutated patients aged 65 and over. There was a significant correlation between BRAF mutation and high serum uric acid level, female gender, tumor located in the ascending colon, and multiple metastatic sites. The independent factors affecting BRAF mutation were age 65 and over, tumor in the ascending colon, and high serum uric acid level.

Conclusion: As a result, we concluded that high serum uric acid level measured during diagnosis in metastatic colorectal cancer is an accessible and economical biomarker that can predict BRAF mutation in patients aged 65 and over.

Introduction: Survival of patients suffering from metastatic colorectal cancer (mCRC) has increased over the last decades. These benefits appear to be restricted to patients aged 50 and above. However, among the population aged <50, colorectal cancer incidence and mortality rates are significantly rising. The clinical benefit of treatment in this population still is a matter of debate. We aim to compare the clinical outcome between patients aged 50 and younger.

Methods: In this retrospective, observational study, we analyzed data from 1,077 patients treated for mCRC at three cancer centers in Austria from January 2005 to December 2019. Patients were divided into two groups based on age at diagnosis: <50 years (eo-CRC) and >50 years (regular-onset CRC, ro-CRC). Propensity score matching was used to control for potential biases, and survival outcomes were compared between the two groups.

Results: The differences in tumor characteristics between eo-CRC and ro-CRC in the overall population were primarily related to tumor sidedness and disease-free survival following intended curative resection. Our data show that eo-CRC patients underwent metastases resection more often and received significantly more lines of treatment in the palliative setting. Overall survival was superior in eo-CRC compared to ro-CRC, even after adjusting for sidedness, timing of metastases, sex, number of treatment lines, and resection of metastases by propensity scoring.

Conclusion: Our study suggests that younger patients benefit at least to the same magnitude or even more from mCRC-treatment than patients aged 50 or above.

Introduction: Tumor burden is a frequently mentioned parameter; however, a commonly accepted definition is still lacking.

Methods: In this double-center prospective and retrospective study, 76 patients with unresectable stage III or stage IV melanoma treated with ipilimumab were included. We defined the baseline tumor burden (BTB) as the global sum of all metastases' longest diameters before treatment started and correlated the calculated BTB with disease control rate (DCR), progression-free survival (PFS), overall survival (OS), and with the baseline levels of LDH, S100B, and sULPB2.

Results: BTB correlated significantly with DCR (p = 0.009), PFS (p = 0.002), OS (p = 0.032), and the occurrence of NRAS mutation (p = 0.006). BTB was also correlated to baseline serum levels of LDH (p = 0.011), S100B (p = 0.027), and SULBP (p < 0.0001). Multivariate analysis revealed that BPB and LDH were independently correlated with PFS and OS. With increasing BTB, disease control was less likely; no patient with a BTB >200 mm achieved disease control. For patients with brain metastasis, no correlation of BTB with DCR (p = 0.251), PFS (p = 0.059), or OS (p = 0.981) was observed.

Conclusion: Calculated BTB is an independent prognostic factor for patients with metastatic melanoma treated with ipilimumab. Using calculated BTB as a definition of tumor burden may help increase comparability of outcome of therapies in future studies.

Introduction: Advancements in the field of oncology are allowing patients to live longer, with enhanced quality of life (QoL). Accordingly, more patients with cancer are expressing the desire to return to work (RTW). Previous research has indicated that patients with a rare or advanced cancer can experience unique problems in the RTW process.

Methods: This pilot study evaluated the outcomes and feasibility of the occupational care programme TERRA (i.e., recalibraTe lifE and woRk with and afteR cAncer) for patients with a rare or advanced cancer. Four rare cancer patients and 3 advanced cancer patients completed TERRA; a supportive occupational care programme consisting of five online group sessions over a two-month period. Pre- and post-intervention outcomes were collected using validated self-report questionnaires. The primary outcome was work ability. Secondary outcomes included QoL, anxiety and depression, fatigue, unmet needs, self-efficacy, readiness for RTW, work intention, work involvement, and work-life conflict. Feasibility was assessed using the RE-AIM model.

Results: Changes in work ability scores were inconsistent across participants. Well-being outcomes generally improved following the intervention. Feasibility was evaluated positively by both participants and trainers.

Conclusion: A multidisciplinary approach may further improve outcomes of occupational interventions supporting rare and advanced cancer patients. An effectiveness study to evaluate the outcomes and feasibility of the programme is deemed necessary.

Introduction: For predicting esophagogastric varices (EGVs), the Virtual Baveno VII Consensus Workshop has proposed a combination of liver stiffness determination and platelet count measurement using a FibroScan®. However, FibroScan® is not available at all institutions. The present study aimed to develop a simple method to predict development of EGV using only general blood examination results.

Materials and methods: A total of 1,090 hepatocellular carcinoma patients were enrolled, after excluding 956 with major portal vein tumor thrombus (Vp3/Vp4) or without upper gastrointestinal endoscopy examination results available. Those with EGV (≥ grade F2) or a history of treatment for the condition were defined as positive for significant EGV, and then clinical factors were retrospectively evaluated to determine indicators of occurrence.

Results: Logistic multivariate analysis showed platelet count (≤12 × 104/μL) (odds ratio [OR] 3.79, p < 0.001), mALBI grade 2a (OR 1.52, p = 0.036), and mALBI 2b or 3 (OR 3.46, p < 0.001) as significant predictive factors. Based on the OR values, platelet count (≤12 × 104/μL) and mALBI grade 2b/3 were each assigned 2 points and mALBI 2a was given 1 point, with the result termed recommendation for EGV screening (REGS) score. Significant EGV occurrence was noted in 2.9% (9/311) of the patients with a REGS score 0, 11.0% (13/118) with a score 1, 19.3% (53/274) with a score 2, 29.5% (39/132) with a score 3, and 38.0% (97/255) with a score 4 (p < 0.001).

Conclusion: The findings indicate that REGS score can provide useful predictive information for development of significant EGV without the need for special equipment such as a FibroScan®.