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The reader is invited to guess who causes the boat to sink when five animal friends of varying sizes decide to go for a row.

It is unclear whether the benefit of adding whole-brain radiation therapy (WBRT) to stereotactic radiosurgery (SRS) for the control of brain-tumours outweighs the potential neurocognitive risks. We proposed that the learning and memory functions of patients who undergo SRS plus WBRT are worse than those of patients who undergo SRS alone. We did a randomised controlled trial to test our prediction. Patients with one to three newly diagnosed brain metastases were randomly assigned using a standard permutated block algorithm with random block sizes to SRS plus WBRT or SRS alone from Jan 2, 2001, to Sept 14, 2007. Patients were stratified by recursive partitioning analysis class, number of brain metastases, and radioresistant histology. The randomisation sequence was masked until assignation, at which point both clinicians and patients were made aware of the treatment allocation. The primary endpoint was neurocognitive function: objectively measured as a significant deterioration (5-point drop compared with baseline) in Hopkins Verbal Learning Test–Revised (HVLT-R) total recall at 4 months. An independent data monitoring committee monitored the trial using Bayesian statistical methods. Analysis was by intention-to-treat. This trial is registered at www.ClinicalTrials.gov, number NCT00548756. After 58 patients were recruited (n=30 in the SRS alone group, n=28 in the SRS plus WBRT group), the trial was stopped by the data monitoring committee according to early stopping rules on the basis that there was a high probability (96%) that patients randomly assigned to receive SRS plus WBRT were significantly more likely to show a decline in learning and memory function (mean posterior probability of decline 52%) at 4 months than patients assigned to receive SRS alone (mean posterior probability of decline 24%). At 4 months there were four deaths (13%) in the group that received SRS alone, and eight deaths (29%) in the group that received SRS plus WBRT. 73% of patients in the SRS plus WBRT group were free from CNS recurrence at 1 year, compared with 27% of patients who received SRS alone (p=0·0003). In the SRS plus WBRT group, one case of grade 3 toxicity (seizures, motor neuropathy, depressed level of consciousness) was attributed to radiation treatment. In the group that received SRS, one case of grade 3 toxicity (aphasia) was attributed to radiation treatment. Two cases of grade 4 toxicity in the group that received SRS alone were diagnosed as radiation necrosis. Patients treated with SRS plus WBRT were at a greater risk of a significant decline in learning and memory function by 4 months compared with the group that received SRS alone. Initial treatment with a combination of SRS and close clinical monitoring is recommended as the preferred treatment strategy to better preserve learning and memory in patients with newly diagnosed brain metastases. No external funding was received.

Spinal stereotactic body radiation therapy (SBRT) is increasingly used to manage spinal metastases, yet the technique's effectiveness in controlling the symptom burden of spinal metastases has not been well described. We investigated the clinical benefit of SBRT for managing spinal metastases and reducing cancer-related symptoms. 149 patients with mechanically stable, non-cord-compressing spinal metastases (166 lesions) were given SBRT in a phase 1–2 study. Patients received a total dose of 27–30 Gy, typically in three fractions. Symptoms were measured before SBRT and at several time points up to 6 months after treatment, by the Brief Pain Inventory (BPI) and the M D Anderson Symptom Inventory (MDASI). The primary endpoint was frequency and duration of complete pain relief. The study is completed and is registered with ClinicalTrials.gov, number NCT00508443. Median follow-up was 15·9 months (IQR 9·5–30·3). The number of patients reporting no pain from bone metastases, as measured by the BPI, increased from 39 of 149 (26%) before SBRT to 55 of 102 (54%) 6 months after SBRT (p<0·0001). BPI-reported pain reduction from baseline to 4 weeks after SBRT was clinically meaningful (mean 3·4 [SD 2·9] on the BPI pain-at-its-worst item at baseline, 2·1 [2·4] at 4 weeks; effect size 0·47, p=0·00076). These improvements were accompanied by significant reduction in opioid use during the first 6 months after SBRT (43 [28·9%] of 149 patients with strong opioid use at baseline vs 20 [20·0%] of 100 at 6 months; p=0·011). Ordinal regression modelling showed that patients reported significant pain reduction according to the MDASI during the first 6 months after SBRT (p=0·00003), and significant reductions in a composite score of the six MDASI symptom interference with daily life items (p=0·0066). Only a few instances of non-neurological grade 3 toxicities occurred: nausea (one event), vomiting (one), diarrhoea (one), fatigue (one), dysphagia (one), neck pain (one), and diaphoresis (one); pain associated with severe tongue oedema and trismus occurred twice; and non-cardiac chest pain was reported three times. No grade 4 toxicities occurred. Progression-free survival after SBRT was 80·5% (95% CI 72·9–86·1) at 1 year and 72·4% (63·1–79·7) at 2 years. SBRT is an effective primary or salvage treatment for mechanically stable spinal metastasis. Significant reductions in patient-reported pain and other symptoms were evident 6 months after SBRT, along with satisfactory progression-free survival and no late spinal cord toxicities. National Cancer Institute of the US National Institutes of Health.

Purpose of ReviewPeripheral T cell lymphomas (PTCLs) are a heterogeneous group of non-Hodgkin lymphomas with inferior prognosis compared with their B cell counterparts characterized by frequent relapses, resulting in a median 5-year survival of approximately 30%. Their diverse clinicopathologic features challenge existing treatment paradigms that treat all patients uniformly. Here we review recent advances in the treatment of these diseases.Recent FindingsWhile current treatment still relies largely on combination chemotherapy, the introduction of more effective novel and targeted therapies has improved outcomes in certain subtypes. Increasing understanding of the underlying biology of PTCL has prompted further subclassification by genetic and molecular subgroups.SummaryOverall, the most significant advances in PTCL management have resulted from improved understanding and classification of the biology of PTCL. Ongoing development of subtype-specific targeted therapies will be essential to improve long-term outcomes of patients with these diseases.

Adolescents and young adults [AYAs] with cancer constitute approximately 70,000 patients diagnosed each year. Survival rates for AYAs with cancer have increased steadily in recent decades due to improvements in therapeutic regimens and early detection. Given the large and growing number of AYA cancer survivors, additional research is needed on the immediate and long-term psychosocial support required for this population including family planning and fertility. Fertility and fertility preservation in female AYAs, in particular, is historically understudied and has psychologically relevant ramifications distinct from male AYAs. Decision science can contribute to this area of oncological care and has implications for clinical encounters and research concerning female AYA patients with cancer. Patient-centered care and shared decision-making that integrates recent research regarding fertility preservation in the context of cancer treatment can improve outcomes for AYA cancer survivors.

Treatment for glioblastoma (GBM) includes surgical resection and adjuvant radiotherapy (RT) and chemotherapy. The optimal time interval between surgery and RT remains unclear. The National Cancer Database (NCDB) was queried for patients with GBM. Overall survival (OS) was estimated using Kaplan-Meier and log-rank tests. Univariate (UVA) and multivariable Cox regression (MVA) modeling was used to determine predictors of OS. A total of 45,942 patients were included. On MVA: younger age, female gender, black ethnicity, higher KPS, obtaining a gross total resection (GTR), MGMT promoter-methylated gene status, unifocal disease, higher RT dose, and RT delay of 4–8 weeks had improved OS. Patients who underwent a subtotal resection (STR) had worsened survival with RT delay ≤4 weeks and patients with GTR had worsened survival when RT was delayed >8 weeks. This analysis suggests that an interval of 4–8 weeks between resection and RT results in better survival. Delays >8 weeks in patients with a GTR and delays <4 weeks in patients with a STR/biopsy resulted in worse survival. This impact of time delay from surgery to RT, in conjunction with extent of resection, should be considered in the clinical management of patients and future designs of clinical trials.

Golidocitinib, a selective JAK1 tyrosine-kinase inhibitor, has shown encouraging anti-tumour activity in heavily pre-treated patients with relapsed or refractory peripheral T-cell lymphoma in a phase 1 study (JACKPOT8 Part A). Here, we report the full analysis of a phase 2 study, in which we assessed the anti-tumour activity of golidocitinib in a large multinational cohort of patients. We did a single-arm, multinational, phase 2 trial (JACKPOT8 Part B) in 49 centres in Australia, China, South Korea, and the USA. Eligible patients were adults (aged ≥18 years) with relapsed or refractory peripheral T-cell lymphoma who had received at least one previous line of systemic therapy and an Eastern Cooperative Oncology Group performance status of 0–2. Patients were given oral golidocitinib 150 mg once daily until disease progression or other discontinuation criteria were met. The primary endpoint was the CT-based objective response rate, assessed by an independent review committee (IRC) per Lugano 2014 classification. The activity analysis set included all patients who received at least one dose and whose pathological diagnosis of peripheral T-cell lymphoma had been retrospectively confirmed by a central laboratory and who had at least one measurable lesion at baseline assessed by IRC. The safety analysis set included all patients who received at least one dose of study drug. This study is registered with ClinicalTrials.gov, NCT04105010, and is closed to accrual and follow-up is ongoing. Between Feb 26, 2021, and Oct 12, 2022, we assessed 161 patients for eligibility, of whom 104 (65%) were enrolled and received at least one dose of study drug; the activity analysis set included 88 (85%) patients (median age 58 years [IQR 51–67], 57 [65%] of 88 were male, 31 [35%] were female, and 83 [94%] were Asian). As of data cutoff (Aug 31, 2023; median follow-up was 13·3 months [IQR 4·9–18·4]), per IRC assessment, the objective response rate was 44·3% (95% CI 33·7–55·3; 39 of 88 patients, p<0·0001), with 21 (24%) patients having a complete response and 18 (20%) having a partial response. In the safety analysis set, 61 (59%) of 104 patients had grade 3–4 drug-related treatment-emergent adverse events. The most common grade 3–4 drug-related treatment-emergent adverse events were neutrophil count decreased (30 [29%]), white blood cell count decreased (27 [26%]), lymphocyte count decreased (22 [21%]), and platelet count decreased (21 [20%]), which were clinically manageable and reversible. 25 (24%) patients had treatment-related serious adverse events. Deaths due to treatment-emergent adverse events occurred in three (3%) patients: two (2%) due to pneumonia (one case with fungal infection [related to golidocitinib] and another one with COVID-19 infection) and one (1%) due to confusional state. In this phase 2 study, golidocitinib showed a favourable benefit–risk profile in treating relapsed or refractory peripheral T-cell lymphoma. The results of this study warrant further randomised clinical studies to confirm activity and assess efficacy in this population. Dizal Pharmaceutical.

Purpose WHO grade 4 gliomas are rare in the pediatric and adolescent and young adult (AYA) population. We evaluated prognostic factors and outcomes in the pediatric versus AYA population. Methods This retrospective pooled study included patients less than 30 years old (yo) with grade 4 gliomas treated with modern surgery and radiotherapy. Overall survival (OS) and progression-free survival (PFS) were characterized using Kaplan-Meier and Cox regression analysis. Results Ninety-seven patients met criteria with median age 23.9 yo at diagnosis. Seventy-seven patients were ≥ 15 yo (79%) and 20 patients were < 15 yo (21%). Most had biopsy-proven glioblastoma (91%); the remainder had H3 K27M-altered diffuse midline glioma (DMG; 9%). All patients received surgery and radiotherapy. Median PFS and OS were 20.9 months and 79.4 months, respectively. Gross total resection (GTR) was associated with better PFS in multivariate analysis [HR 2.00 (1.01–3.62), p = 0.023]. Age ≥ 15 yo was associated with improved OS [HR 0.36 (0.16–0.81), p = 0.014] while female gender [HR 2.12 (1.08–4.16), p = 0.03] and DMG histology [HR 2.79 (1.11–7.02), p = 0.029] were associated with worse OS. Only 7% of patients experienced grade 2 toxicity. 62% of patients experienced tumor progression (28% local, 34% distant). Analysis of salvage treatment found that second surgery and systemic therapy significantly improved survival. Conclusion Age is a significant prognostic factor in WHO grade 4 glioma, which may reflect age-related molecular alterations in the tumor. DMG was associated with worse OS than glioblastoma. Reoperation and systemic therapy significantly increased survival after disease progression. Prospective studies in this population are warranted.

Few treatment options exist for patients with non-Hodgkin lymphoma, and outcomes remain poor for relapsed or refractory disease. We evaluated the safety and preliminary clinical activity of valemetostat, a novel inhibitor of EZH2 and EZH1, in patients with relapsed or refractory non-Hodgkin lymphomas. This first-in-human, multicentre, open-label, single-arm, phase 1, dose-escalation and dose-expansion trial was done in 19 hospitals across Japan and the USA. Patients were included if they were aged 18 years or older in the USA or 20 years or older in Japan with a primary diagnosis of relapsed or refractory non-Hodgkin lymphoma and an Eastern Cooperative Oncology Group performance status of 0 or 1. In the dose-escalation part, patients received oral valemetostat at doses of 150 mg per day, 200 mg per day, 250 mg per day, and 300 mg per day continuously in 28-day cycles until progressive disease or unacceptable toxicities. All patients received 200 mg per day in the dose-expansion part. The primary endpoints were safety, pharmacokinetics, and the recommended phase 2 dose; the secondary endpoints were the maximum tolerated dose and the antitumour activity of valemetostat. Responses were assessed in patients who received at least one dose, with measurable lesions at baseline according to the International Working Group 2007 revised criteria for malignant lymphoma (peripheral T-cell lymphoma and B-cell non-Hodgkin lymphoma) and the modified 2009 criteria for adult T-cell leukaemia/lymphoma. The trial is registered with ClinicalTrials.gov, NCT02732275, and is currently active, but not recruiting. Between April 7, 2016, and June 10, 2021, 90 patients (53 [59%] males and 37 [41%] females; 49 [54%] Asian, 33 [37%] White, and eight [9%] Black) were enrolled and treated with valemetostat and included in the safety analysis set. 57 (63%) patients had peripheral T-cell lymphoma, 14 (16%) had adult T-cell leukaemia/lymphoma, and 19 (21%) had B-cell non-Hodgkin lymphoma. Seven (8%) patients received valemetostat 150 mg per day, 74 (82%) received 200 mg per day, seven received 250 mg per day, and two received 300 mg per day. Median follow-up was 7·4 months (IQR 3·4–17·6). All patients had at least one treatment-emergent adverse event; the most common treatment-emergent adverse events of any grade were decreased platelet count (52 [58%] of 90 patients), dysgeusia (45 [50%]), and anaemia (38 [42%]). The most common grade 3–4 adverse events were decreased neutrophil count (21 [23%]), decreased platelet count (18 [20%]), and decreased lymphocyte count (17 [19%]). The most common serious adverse event of any grade was Pneumocystis jirovecii pneumonia (four [4%]). No treatment-related deaths occurred. The overall response rate was 54·5% (48 of 88; 95% CI 43·6–65·2) for patients in the efficacy analysis set. The maximum tolerated dose was not reached; the recommended phase 2 dose of 200 mg per day was determined. Valemetostat exposure was variable between patients and was overlapped over the dose range of 150–250 mg per day. The safety profile of valemetostat monotherapy was acceptable in these patients with relapsed or refractory non-Hodgkin lymphoma. Favourable clinical activity was observed. These findings support a new indication for valemetostat in this setting. Daiichi Sankyo.

Nodular lymphocyte-predominant Hodgkin lymphoma (NLPHL) is a rare cancer, and few studies have comprehensively investigated the immune microenvironment and rare lymphocyte-predominant (LP) cells. Here we develop a NLPHL specific lymphocyte-predominant ecotype (LPE) model to identify 34 distinct cell states across 14 cell types that co-occur within 3 LPEs for 171 cases. LPE1 and LPE2 were characterized by immunosuppressive microenvironments with high expression of B2M on LP cells, CD8 T-cell exhaustion, immune checkpoint genes expressed by follicular T-cells, and an improved freedom from progression compared to LPE3 in training ( n  = 109, with 65% LPE1/2) and validation cohorts ( n  = 62, with 61% LPE1/2). We validate the co-occurrence and co-localization of cell states using spatial transcriptomics. Protein expression of HLA-I and HLA-II on LP cells and SSTR2 on dendritic cells was predictive of LPE1 (C-statistic=0.69), LPE2 (C-statistic=0.79), and LPE3 (C-statistic=0.60). This study establishes a clinically relevant biologic categorization for NLPHL. Nodular lymphocyte-predominant Hodgkin lymphoma (NLPHL) is a rare cancer. Here, the authors develop a NLPHL specific model to identify 34 distinct cell states across 14 cell types that co-occur within 3 lymphocyte predominant ecotypes (LPEs) for 171 cases.