Hematology:

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Diffuse large B-cell lymphoma (DLBCL) is an aggressive, yet curable, malignancy, but older patients are at higher risk of relapsed disease because they may not be eligible for full-intensity frontline chemoimmunotherapy or have comorbidities that limit standard treatments. Recent years have brought more treatment options than ever for this patient population, but it remains challenging to determine which can be safely and effectively offered to older patients. Formal determinations of fitness including geriatric assessments remain critical, but there is less guidance on how to best use this tool in the relapsed setting. Chimeric antigen receptor T-cell therapy is accessible to older patients, provided they can be supported through the intensive road to this treatment. If relapse occurs despite this or alternative therapies are preferred, many novel therapeutic options and combinations exist with some potential modifications for older adults, such as bispecific antibodies, tafasitamab and lenalidomide, polatuzumab-containing regimens, or loncastuximab tesirine. This article provides a summary of our approach to the management of this diverse population of older patients with relapsed or refractory DLBCL.

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No randomized trial has directly compared daratumumab and lenalidomide (D-R) maintenance with standard-of-care lenalidomide (R) alone after transplant. Herein, we report the primary results of the phase 3 AURIGA study evaluating D-R vs R maintenance in patients with newly diagnosed multiple myeloma (NDMM) who had very good or better partial response, were minimal residual disease (MRD)-positive (10-5) and anti-CD38-naïve after transplant. Two hundred patients were randomly assigned (1:1) to D-R (n = 99) or R (n = 101) maintenance for up to 36 cycles. The MRD-negative (10-5) conversion rate by 12 months from start of maintenance (primary end point) was significantly higher for D-R than R (50.5% vs 18.8%; odds ratio [OR], 4.51; 95% confidence interval [CI], 2.37-8.57; P < .0001). MRD-negative (10-6) conversion rate was similarly higher with D-R (23.2% vs 5.0%; OR, 5.97; 95% CI, 2.15-16.58; P = .0002). At median follow-up (32.3 months), D-R achieved a higher overall MRD-negative (10-5) conversion rate (D-R, 60.6% vs R, 27.7%; OR, 4.12; 95% CI, 2.26-7.52; P < .0001) and complete response rate or better (75.8% vs 61.4%; OR, 2.00; 95% CI, 1.08-3.69; P = .0255) vs R. Progression-free survival (PFS) favored D-R vs R (hazard ratio, 0.53; 95% CI, 0.29-0.97); estimated 30-month PFS rates were 82.7% for D-R and 66.4% for R. Incidences of grade 3/4 cytopenias (54.2% vs 46.9%) and infections (18.8% vs 13.3%) were slightly higher with D-R than R. In conclusion, D-R maintenance achieved a higher MRD-negative conversion rate and improved PFS after transplant vs R, with no new safety concerns. This trial was registered at www.clinicaltrials.gov as #NCT03901963.

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CONCLUSIONS: Collectively, we show that FUNDC1-mediated basal mitophagy is critical for endothelial homeostasis, and its disruption instigates PH pathogenesis. Given that similar changes in FUNDC1 and IGFBP2 were observed in PH patients, our findings are of significant clinical relevance and provide novel therapeutic strategies for PH.

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Soft tissue sarcomas (STS) represent a large group of rare and ultra-rare tumors distinguished by unique morphological, molecular and clinical features. Patients with such rare cancers are generally underrepresented in clinical trials which has limited the introduction of new treatment options and subsequent improvement of patient outcomes. Preclinical models of STS that recapitulate the human disease can aid progress in identifying new effective treatments. However, due to the rarity of these tumors there are limited STS models available. Here we review the existing preclinical models of STS, including patient-derived cell lines and organoids, patient-derived xenografts and genetically engineered mouse models. We discuss the advantages and disadvantages of the different models and describe to what extent they have aided clinical translation. Finally, we consider what can be done in the future to enhance their predictivity in the preclinical setting.

Access to excess dietary sodium has heightened the risk of cardiovascular diseases, particularly affecting individuals with salt sensitivity of blood pressure. Our research indicates that innate antigen-presenting immune cells contribute to rapid blood pressure increases in response to excess sodium intake. Emerging evidence suggests that epigenetic reprogramming, with subsequent transcriptional and metabolic changes, of innate immune cells allows these cells to have a sustained response to repetitive stimuli. Epigenetic mechanisms also steer T-cell differentiation in response to innate immune signaling. Immune cells respond to environmental and nutritional cues, such as salt, promoting epigenetic regulation changes. This article aims to identify and discuss the role of epigenetic mechanisms in the immune system contributing to salt-sensitive hypertension.

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BCR::ABL1-negative myeloproliferative neoplasms (MPNs) are clonal hematologic malignancies that are caused by the proliferation of myeloid cells that harbor a JAK-STAT pathway activating driver mutation. MPN management recommendations are based on the evaluation of different risks to prevent disease evolution-associated events while preserving patients' quality of life. Such risks can be common across all MPNs or specific to each subtype (polycythemia vera [PV], essential thrombocythemia [ET], prefibrotic myelofibrosis [MF], and primary MF). Patients with MF harbor the worse prognosis, and hematopoietic stem cell transplantation (HSCT) is the only curative treatment at the expense of a high rate of morbidity and mortality. Therefore, accurate scoring systems to estimate overall survival are crucial for the management of patients with MF and the selection for HSCT. In PV and ET, the prediction of vascular events is prioritized given their higher incidence and related morbidity and mortality. Finally, quality of life evaluation is important for all subtypes. To predict these risks and adapt MPN therapeutic strategies, clinical risk scores have been developed over the past decades and more recently have incorporated molecular risk factors for more accurate risk stratification. The large number of scoring systems available, combined with disease heterogeneity and the necessity to predict diverse outcomes, make it difficult for clinicians to choose the most appropriate score to evaluate their patients' risk in 2024. Here, we provide an overview of MPN disease evolution-associated event incidence and conduct an exhaustive comparative review of the scoring systems currently available for each risk. Finally, we propose an algorithm for the use of these scores in clinical practice in each MPN subtype.