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COVID-19 pandemia is a major health emergency causing hundreds of deaths worldwide. The high reported morbidity has been related to hypoxia and inflammation leading to endothelial dysfunction and aberrant coagulation in small and large vessels. This review addresses some of the pathways leading to endothelial derangement, such as complement, HIF-1α, and ABL tyrosine kinases. This review also highlights potential targets for prevention and therapy of COVID-19-related organ damage and discusses the role of marketed drugs, such as eculizumab and imatinib, as suitable candidates for clinical trials.

This document updates the recommendations on the management of Philadelphia chromosome-negative myeloproliferative neoplasms (Ph-neg MPNs) published in 2011 by the European LeukemiaNet (ELN) consortium. Recommendations were produced by multiple-step formalized procedures of group discussion. A critical appraisal of evidence by using Grades of Recommendation, Assessment, Development and Evaluation (GRADE) methodology was performed in the areas where at least one randomized clinical trial was published. Seven randomized controlled trials provided the evidence base; earlier phase trials also informed recommendation development. Key differences from the 2011 diagnostic recommendations included: lower threshold values for hemoglobin and hematocrit and bone marrow examination for diagnosis of polycythemia vera (PV), according to the revised WHO criteria; the search for complementary clonal markers, such as ASXL1, EZH2, IDH1/IDH2, and SRSF2 for the diagnosis of myelofibrosis (MF) in patients who test negative for JAK2V617, CALR or MPL driver mutations. Regarding key differences of therapy recommendations, both recombinant interferon alpha and the JAK1/JAK2 inhibitor ruxolitinib are recommended as second-line therapies for PV patients who are intolerant or have inadequate response to hydroxyurea. Ruxolitinib is recommended as first-line approach for MF-associated splenomegaly in patients with intermediate-2 or high-risk disease; in case of intermediate-1 disease, ruxolitinib is recommended in highly symptomatic splenomegaly. Allogeneic stem cell transplantation is recommended for transplant-eligible MF patients with high or intermediate-2 risk score. Allogeneic stem cell transplantation is also recommended for transplant-eligible MF patients with intermediate-1 risk score who present with either refractory, transfusion-dependent anemia, blasts in peripheral blood > 2%, adverse cytogenetics, or high-risk mutations. In these situations, the transplant procedure should be performed in a controlled setting.

We conducted a large international nested case-control study including 1881 patients with Philadelphia-negative myeloproliferative neoplasms (MPN). Cases (n = 647) were patients with second cancer (SC: carcinoma, non-melanoma skin cancer, hematological second cancer, and melanoma) and controls (n = 1234) were patients without SC, matched with cases for sex, age at MPN diagnosis, date of MPN diagnosis, and MPN disease duration. The aim was to evaluate the risk of SC after exposure to cytoreductive drugs. Patients exposed to hydroxyurea (HU) (median: 3 years) had a risk of SC similar to unexposed patients (OR = 1.06, 95% CI 0.82–1.38). In contrast, in cancer-specific stratified multivariable analysis, HU had two-fold higher risk of non-melanoma (NM) skin cancer (OR = 2.28, 95% CI 1.15–4.51). A significantly higher risk of NM-skin cancer was also documented for pipobroman (OR = 3.74, 95% CI 1.00–14.01), ruxolitinib (OR = 3.87, 95% CI 1.18–12.75), and for drug combination (OR = 3.47, 95% CI 1.55–7.75). These three drugs did not show excess risk of carcinoma and hematological second cancer compared with unexposed patients. Exposure to interferon, busulfan, and anagrelide did not increase the risk. In summary, while it is reassuring that no excess of carcinoma was documented, a careful dermatologic active surveillance before and during the course of treatments is recommended.

Understanding antibody-based SARS-CoV-2 immunity in hematologic malignancy (HM) patients following infection is crucial to inform vaccination strategies for this highly vulnerable population. This cross-sectional study documents the anti-SARS-CoV-2 humoral response and serum neutralizing activity in 189 HM patients recovering from a PCR-confirmed infection. The overall seroconversion rate was 85.7%, with the lowest values in patients with lymphoid malignancies or undergoing chemotherapy. Therapy-naive patients in the “watch and wait” status were more likely to seroconvert and display increased anti-s IgG titers. Enhanced serum neutralizing activity was observed in the following SARS-CoV-2-infected HM patient groups: (i) males; (ii) severe COVID-19; and (iii) “watch and wait” or “complete/partial response”. The geometric mean (GeoMean) ID50 neutralization titers in patients analyzed before or after 6 months post-infection were 299.1 and 306.3, respectively, indicating that >50% of the patients in either group had a neutralization titer sufficient to provide 50% protection from symptomatic COVID-19. Altogether, our findings suggest that therapy-naive HM patients mount a far more robust immune response to SARS-CoV-2 infection vs. patients receiving anti-cancer treatment, raising the important question as to whether HM patients should be vaccinated before therapy and/or receive vaccine formats capable of better recapitulating the natural infection.

Most myelofibrosis (MF) drug approvals by Health Authorities are based on 1 or 2 outcome measures such as spleen volume reduction and/or improved quality of life. This 1–2 dimensional approach fails to capture the clinical complexity of MF. A European LeukemiaNet (ELN) task force developed a composite endpoint that allows multiple outcomes to be simultaneously measured. The panel used the Desirability Of Outcome Ranking (DOOR) method to assign 25 outcomes into 4 quartiles based on a multi-dimensional desirability score and build a 5-layer composite outcome named Desirability of Myelofibrosis Outcomes (DEMYO). Outcome operational definitions were tested by Delphi consensus, and correlations with survival were validated by a literature review. The outcomes assigned to the first two quartiles were negatively correlated with leukemia-free survival and survival. DEMYO comprehensively captures relevant MF clinical features and meaningful endpoints. Despite DEMYO requiring validation based on available trial data, it is expected to improve the quality of Health Authority approvals for new drugs for MF.

Purpose Cancer-related fatigue (CRF) is one of the most common symptoms experienced by cancer patients (CPs). The Brief Fatigue Inventory (BFI) is a reliable instrument to assess CRF in CPs. The aim of this study was to evaluate the psychometric properties of the Italian version of the BFI (BFI-I). Methods The BFI-I was developed by using the forward–backward translation approach. The psychometric properties of the BFI-I were assessed in terms of acceptability, internal consistency, and validity. Outpatient CPs filled in BFI-I along with the Medical Outcome Study Quality of Life Short Form 36 (SF36). Demographic and health data were collected. Results The BFI-I had an overall Cronbach alpha for the nine items of 0.94. The inter-item mean correlation was 0.64, and coefficients ranged from 0.47 to 0.81 for the nine items. The results of the factor analysis suggested a 1-factor solution explaining 68 % of the variance, supporting the hypothesis of unidimensionality of the BFI-I. The BFI-I score was compared to SF36 subscales score to evaluate concurrent validity. An expected inverse correlation between the BFI-I and the vitality subscale of the SF36 was observed ( r  = −0.67, 95 % confidence interval −0.73 to −0.59). The correlation with the other subscales of the SF36 ranged between −0.56 and −0.13. Discriminant validity analysis showed the BFI-I mean score significantly increased with increasing Eastern Cooperative Oncology Group values ( p  < 0.001). Conclusions BFI-I is a clinical instrument with satisfactory psychometric properties to assess CRF in Italian CPs.

Limited information is available on the efficacy of front‐line bendamustine and rituximab (BR) in chronic lymphocytic leukemia (CLL) with reduced renal function or coexisting conditions. We therefore analyzed a cohort of real‐world patients and performed a matched adjusted indirect comparison with a cohort of patients treated with ibrutinib. One hundred and fifty‐seven patients with creatinine clearance (CrCl) <70 mL/min and/or CIRS score >6 were treated with BR. The median age was 72 years; 69% of patients had ≥2 comorbidities and the median CrCl was 59.8 mL/min. 17.6% of patients carried TP53 disruption. The median progression‐free survival (PFS) was 45 months; TP53 disruption was associated with a shorter PFS (P = 0.05). The overall survival (OS) at 12, 24, and 36 months was 96.2%, 90.1%, and 79.5%, respectively. TP53 disruption was associated with an increased risk of death (P = 0.01). Data on 162 patients ≥65 years treated with ibrutinib were analyzed and compared with 165 patients ≥65 years treated with BR. Factors predicting for a longer PFS at multivariable analysis in the total patient population treated with BR and ibrutinib were age (HR 1.06, 95% CI 1.02‐1.10, P < 0.01) and treatment with ibrutinib (HR 0.55, 95% CI 0.33‐0.93, P = 0.03). In a post hoc analysis of patients in advanced stage, a significant PFS advantage was observed in patient who had received ibrutinib (P = 0.03), who showed a trend for OS advantage (P = 0.08). We arrived at the following conclusions: (a) BR is a relatively effective first‐line regimen in a real‐world population of unfit patients without TP53 disruption, (b) ibrutinib provided longer disease control than BR in patients with advanced disease stage. Bendamustine and Rituximab was a relatively effective first‐line regimen in real‐world untreated CLL patients with reduced renal function or coexisting conditions without TP53 disruption.In a matched‐adjusted indirect comparison with a cohort of CLL patients treated upfront, ibrutinib provided longer PFS than bendamustine and rituximab in those with advanced stage.

Inflammatory bowel diseases (IBD), namely Crohn’s disease and ulcerative colitis, are burdened by high medical costs which are mostly dependent on hospital inpatient treatment. New biologic therapies, which target specific cytokines in the inflammatory cascade leading to the intestinal lesions, including tumor necrosis factor (TNF)-α, have revolutionized the management of IBD by offering a therapeutic chance to patients in whom conventional therapies failed. However, the relatively high costs of biologic drugs, together with their potential toxicity due to infections and malignancies, have led to debate regarding their indiscriminate use in IBD patients. The purpose of this review is to deal with the optimal use and cost-effectiveness of the two main monoclonal anti-TNF-α agents currently used in the management of IBD patients, i.e. the chimeric human/murine antibody infliximab and the fully human antibody adalimumab.