International Expert-Based Consensus Definition, Classification Criteria, and Minimum Data Elements for Osteoradionecrosis of the Jaw: An Inter-Disciplinary Modified Delphi Study.

Purpose: Osteoradionecrosis of the jaw (ORNJ) is a severe iatrogenic disease characterized by bone death after radiation therapy (RT) to the head and neck. With over 9 published definitions and at least 16 classification systems, the true incidence and severity of ORNJ are obscured by lack of a standard for disease definition and severity assessment, leading to inaccurate estimation of incidence, reporting ambiguity, and likely under-diagnosis worldwide. This study aimed to achieve consensus on an explicit definition and phenotype of ORNJ and related precursor states through data standardization to facilitate effective diagnosis, monitoring, and multidisciplinary management of ORNJ.

A review of Kilovoltage (kV) Radiotherapy Treatment in the UK: Quality Control, Radiation Dosimetry, Treatment Equipment and Workload.

Objectives: To survey kilovoltage (kV) radiotherapy in the UK, updating a 2016 study, focussing on radiotherapy physics, including equipment quality control (QC) and radiation dosimetry, with information on installed equipment and clinical activity.

Methods: All UK radiotherapy physics departments (n = 68) were invited to complete a comprehensive survey. An analysis of the installed equipment base, patient numbers, clinical activity, QC testing and radiation dosimetry processes were undertaken.

A hybrid machine learning approach for the personalized prognostication of aggressive skin cancers.

Accurate prognostication guides optimal clinical management in skin cancer. Merkel cell carcinoma (MCC) is the most aggressive form of skin cancer that often presents in advanced stages and is associated with poor survival rates. There are no personalized prognostic tools in use in MCC.

Verification imaging in prostate MR-only radiotherapy: Are fiducial markers necessary?

Purpose/objective: MR-only radiotherapy planning exploits the benefits of MRI soft-tissue delineation, whilst negating the registration inaccuracies caused by MRI CT fusion. Fiducial markers have conventionally been used in prostate radiotherapy to reduce on-treatment image matching variability. However, this is an invasive procedure for the patient, and presents technical difficulties in an MR-only pathway as fiducial markers are difficult to visualise on MRI.

A training framework for multi-professional advanced level practice in non-surgical oncology: The journey through development and consultation to consensus.

Introduction: The Non-Surgical Oncology (NSO) workforce, like many healthcare specialities, faces critical personnel shortages. With a 21 % deficit in consultant oncologists anticipated by 2028, alongside vacancies in key roles such as therapeutic radiographers. To address these challenges, innovative workforce strategies are necessary, including the diversification of skills and the creation of advanced career pathways for healthcare professionals such as nurses, pharmacists, and allied health professionals.

Apalutamide in Metastatic Castration-sensitive Prostate Cancer: Results from the Multicenter Real-world ARON-3 Study.

Background And Objective: Apalutamide (APA) is a treatment for metastatic castration-sensitive prostate cancer (mCSPC). In the ARON-3 study we investigated real-world experiences with APA treatment for mCSPC.

Methods: We retrospectively assessed real-world clinical outcomes for patients with mCSPC treated with APA in the ARON-3 study.

A multivariable disease-specific model enhances prognostication beyond current Merkel cell carcinoma staging: An international cohort study of 10,958 patients.

Background: Merkel cell carcinoma (MCC) is a highly aggressive cutaneous malignancy for which accurate prognostication is necessary to support clinical management.

Objective: (1) To determine which survival endpoint-disease-specific death (DSD) or overall survival (OS)-was better stratified by MCC American Joint Cancer Committee eighth edition staging. (2) To develop a multivariable model for enhanced MCC survival predictions.

Greater preservation of SARS-CoV-2 neutralising antibody responses following the ChAdOx1-S (AZD1222) vaccine compared with mRNA vaccines in haematopoietic cell transplant recipients.

Whilst SARS-CoV-2 mRNA vaccines generate high neutralising antibodies (nAb) in most individuals, haematopoietic stem cell transplant (HSCT) and chimeric antigen receptor T-cell (CAR-T) recipients respond poorly. HSCT/CAR-T treatment ablates existing immune memory, with recipients requiring revaccination analogous to being vaccine naive. An optimal revaccination strategy for this cohort has not been defined.

"Oh when's your treatment ending?" "Never!" The unmet needs of cancer patients treated with immunological, biological and precision therapies: A qualitative interview study.

Purpose: To explore the unmet supportive care needs of patients with advanced cancer receiving immuno-, biological and precision (IBP) therapies.

Methods: We conducted semi-structured interviews with: (1) adults diagnosed with advanced cancer (lung, colorectal, ovary, breast, renal, melanoma) treated with an IBP therapy (e.g.

Decoding the human prenatal immune system with single-cell multi-omics.

The human immune system is made up of a huge variety of cell types each with unique functions. Local networks of resident immune cells are poised to sense and protect against pathogen entry, whereas more widespread innate and adaptive immune networks provide first rapid, then long-lasting and targeted responses. However, how we develop such a diverse and complex system remains unknown.

Pembrolizumab With or Without Maintenance Olaparib for Metastatic Squamous NSCLC That Responded to First-Line Pembrolizumab Plus Chemotherapy.

Introduction: Poly (adenosine diphosphate-ribose) polymerase inhibitors can up-regulate programmed cell death-ligand 1 expression and promote immune-mediated responses and may improve efficacy of first-line anti‒programmed cell death protein 1‒based therapies in patients with metastatic squamous NSCLC.

Methods: In this randomized, double-blind, phase 3 trial (NCT03976362), adults with previously untreated stage IV squamous NSCLC received four cycles of induction therapy (pembrolizumab 200 mg every 3 weeks plus carboplatin and paclitaxel or nab-paclitaxel). Patients with disease control were randomized to 31 cycles of pembrolizumab 200 mg every 3 weeks plus olaparib 300 mg orally twice daily or placebo.

Outcomes of the modern management approach for locally advanced (T-T) laryngeal cancer: a retrospective cohort study.

Background: Our centre (Freeman Hospital, Newcatle Upon Tyne NHS Trust) has favoured primary surgery over chemoradiotherapy for specific advanced laryngeal cancer patients (e.g. large-volume tumours, airway compromise, significant dysphagia, T disease).

Modelling of silicone breast implants for radiotherapy treatment planning.

There has been no published work characterizing the attenuation of silicone breast implants in MV energy photon beams. As a result of systematic out of tolerance in-vivo dosimetry results, this report investigates whether the CT Hounsfield Units to electron density curve provides an accurate estimate of attenuation in silicone implants. A CT scan of a silicone breast implant centered on top of WT1 blocks was acquired with simple 6 MV and 10 MV plans created.

Predictors of early recurrence of oesophagogastric adenocarcinoma after neoadjuvant FLOT.

Background: Although survival of patients with oesophagogastric adenocarcinomas has improved over the years, rates of cancer recurrence remain high. There is limited research on predictors of early recurrence (ER), especially in patients receiving FLOT chemotherapy. The aim of this study was to investigate ER and survival rates and identify risk factors for ER.

Cardiac SABR: Image matching techniques for accurate treatment delivery.

Background: Ventricular tachycardia is an irregular heartbeat conventionally treated using invasive cardiac catheter ablation and medication. However, when standard treatments have been exhausted, cardiac SABR provides a final treatment option to this high-mortality condition. Complex diagnostic mapping and planning scans enable multi-disciplinary target delineation for a 25Gy single fraction.

A gut microbiota rheostat forecasts responsiveness to PD-L1 and VEGF blockade in mesothelioma.

Malignant mesothelioma is a rare tumour caused by asbestos exposure that originates mainly from the pleural lining or the peritoneum. Treatment options are limited, and the prognosis is dismal. Although immune checkpoint blockade (ICB) can improve survival outcomes, the determinants of responsiveness remain elusive.

[Conventional versus high-dose salvage chemotherapy for relapsed testicular germ cell tumours].

Since the introduction of cisplatin-based combination chemotherapy, patients with metastatic germ cell tumours achieve very high cure rates of >80%. Nevertheless, about 30% of patients relapse despite guideline-endorsed first-line treatment. Of these, again about 50% of patients can still achieve cure with platinum-based salvage chemotherapy and eventually post-chemotherapy residual mass resection.

Retroperitoneal Lymph Node Dissection in Patients with Stage II Seminomatous Germ Cell Tumour.

Treatment de-escalation strategies in patients with seminoma with retroperitoneal metastases are being investigated in ongoing clinical trials. Primary retroperitoneal lymph node dissection conducted by expert surgeons may avoid any cytotoxic treatment and related long-term side effects in ≥70% of patients with clinical stage IIA/B seminoma.

Improving the Efficiency of Single-Isocenter Multiple Metastases Stereotactic Radiosurgery Treatment.

Purpose: Multiple brain metastases can be treated efficiently with stereotactic radiosurgery (SRS) using a single-isocenter dynamic conformal arc (SIDCA) technique. Currently, plans are manually optimized, which may lead to unnecessary table angles and arcs being used. This study aimed to evaluate an automatic 4π optimization SIDCA algorithm for treatment efficiency and plan quality.

Sociodemographic Disparities in HER2+ Breast Cancer Trastuzumab Receipt: An English Population-Based Study.

Background: Sociodemographic disparities in traditional breast cancer treatment receipt in nonpublicly funded healthcare systems are well documented. This study investigated trastuzumab receipt by sociodemographic factors within a female, HER2+ breast cancer population in England's publicly funded National Health Service.

Methods: The English national population-based cancer registry and linked Systemic Anti-Cancer Therapy database identified 36,985 women with HER2+ invasive breast cancer diagnosed between January 1, 2012 and December 31, 2017.

Maintenance durvalumab after first-line chemotherapy in patients with HER2-negative advanced oesophago-gastric adenocarcinoma: results from the randomised PLATFORM study.

Background: PLAnning Treatment For Oesophago-gastric Cancer: a Randomised Maintenance Therapy Trial (PLATFORM) is an adaptive phase II study assessing the role of maintenance therapies in advanced oesophago-gastric (OG) adenocarcinoma. We evaluated the role of the anti-programmed death-ligand 1 (PD-L1) inhibitor durvalumab in these patients.

Patients And Methods: Patients with human epidermal growth factor receptor 2-negative locally advanced or metastatic OG adenocarcinoma with disease control or response to 18 weeks of platinum-based first-line chemotherapy were randomised to active surveillance or maintenance durvalumab.