Publications by authors named "Javier Lopez-Jimenez"

Background: Assessment of bone marrow infiltration (BMI) is part of the initial staging of mantle cell lymphoma (MCL), although BMI evaluated by biopsy (BMB) is not considered significant in the MIPI scales, and standardized recommendations remain lacking.

Objectives: To evaluate the accuracy and prognostic impact of BMI assessed by PET/CT and BMB in a large series of MCL patients.

Methods: We deconstructed the IPI-NCCN, MIPI, and MIPI-c indices and considered BMI as positive if indicated by a BMB, PET/CT scan, or a combination of both.

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Primary cardiac lymphoma (PCL) is extremely rare. A few reviews comprise the available evidence. We present the case of a 70-year-old man who was immunosuppressed as a result of a previous liver transplant and who presented with PCL.

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Purpose: Early treatment of high-risk smoldering myeloma has been shown to delay progression to multiple myeloma (MM). We conducted this trial with curative intention using a treatment approach employed for newly diagnosed patients with MM.

Methods: Patients with high-risk smoldering myeloma (>50% progression risk at 2 years) and transplant candidates were included and received induction therapy with carfilzomib, lenalidomide, and dexamethasone (KRd), six cycles, followed by high-dose melphalan (200 mg/m) autologous stem-cell transplantation (HDM-ASCT), two KRd consolidation cycles, and Rd maintenance for 2 years.

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Article Synopsis
  • There is limited real-world data on COVID-19 management in patients with hematologic diseases (HD) during the Omicron variant phase, prompting this study to evaluate clinical outcomes and risk factors.
  • A review of 692 HD patients from December 2021 to May 2023 revealed that a significant portion went untreated, with a low COVID-19 mortality rate, while specific antiviral treatments were linked to varying outcomes based on disease severity.
  • Key findings indicate that older age, certain treatment procedures, and incomplete vaccinations heightened the risk of severe COVID-19 outcomes, emphasizing the need for complete vaccinations to improve management in this vulnerable population.
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The value of quantitative immunoprecipitation mass spectrometry (QIP-MS) to identify the M-protein is being investigated in patients with monoclonal gammopathies but no data are yet available in high-risk smoldering myeloma (HRsMM). We have, therefore, investigated QIP-MS to monitor peripheral residual disease (PRD) in 62 HRsMM patients enrolled in the GEM-CESAR trial. After 24 cycles of maintenance, detecting the M-protein by MS or clonal plasma cells by next-generation flow cytometry (NGF) identified cases with a significantly shorter median progression-free survival (mPFS) (MS: not reached vs.

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Invasive fungal infections (IFI) pose a significant complication after hematopoietic stem cell transplantation (HSCT). Isavuconazole (ISV) is a new generation azole with a favourable adverse effect and interaction profile approved for the treatment of invasive aspergillosis and mucormycosis. We analyzed the indications, effectiveness, adverse event profile and drug interaction management of ISV in the real-world setting in adults who received allogeneic-HSCT (allo-HSCT) within the Spanish Group of HSCT and Cell Therapy (GETH-TC).

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  • Pretransplant measurement of minimal residual disease (MRD) in acute myeloid leukemia (AML) patients undergoing hematopoietic stem cell transplantation (HSCT) impacts their prognosis, particularly in relation to conditioning intensity.
  • * The study analyzed transplant outcomes of 118 AML patients, revealing that those with positive MRD (MRD+) before HSCT had significantly worse event-free survival (EFS) and higher relapse rates compared to those with negative MRD (MRD-).
  • * Among patients treated with myeloablative conditioning (MAC), MRD- patients fared better in terms of EFS and overall survival, while those receiving reduced intensity conditioning (RIC) showed similar outcomes, regardless of MRD status.*
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Although nebulized liposomal amphotericin B (NLAB) is being used in invasive pulmonary aspergillosis (IPA) prophylaxis, no clinical trial has shown its efficacy as a therapeutic strategy. NAIFI is the inaugural randomized, controlled clinical trial designed to examine the safety and effectiveness of NLAB (dosage: 25 mg in 6 mL, three times per week for 6 weeks) against a placebo, in the auxiliary treatment of IPA. Throughout the three-year clinical trial, thirteen patients (six NLAB, seven placebo) were included, with 61% being onco-hematological with less than 100 neutrophils/μL.

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Diffuse large B-cell lymphoma (DLBCL) requires a complete staging at diagnosis that may have prognostic and therapeutic implications. The role of bone marrow (BM) biopsy (BMB) is controversial in the era of nuclear imaging techniques. We performed a comparative review of 25 studies focused on BM evaluation at DLBCL diagnosis, including at least two of the following techniques: BMB, flow cytometry, and positron emission tomography (PET-FDG).

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Background: An accurate assessment of tumor viability after first-line treatment is critical for predicting treatment failure in peripheral T-cell lymphomas (PTCLs). F-fluorodeoxyglucose (F-FDG) positron emission tomography/computed tomography (PET/CT) has been adopted as the preferred assessment method in clinical trials, but its impact in clinical practice should be examined. This study aims to determine the prognostic significance ofF-FDG-PET/CT for survival following first-line treatment in PTCL patients.

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  • Researchers studied COVID-19 effects on patients with blood cancers in Spain between February 2020 and October 2022, focusing on trends during the Omicron variant.
  • They found that older patients and those with other health issues had a higher chance of severe illness, but overall severity and death rates dropped during the Omicron period, especially for vaccinated individuals.
  • Even though the risk of dying from COVID-19 has lowered, patients in hospitals, especially older ones, still have a high risk, and more research is needed on treatments for these patients.
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  • This study examined the effects of two antiviral treatments, remdesivir and nirmatrelvir/ritonavir, on hematological patients infected with SARS-CoV-2 during the Omicron period, using data from a Spanish registry collected from December 2021 to April 2023.
  • Out of 466 patients analyzed, those treated with nirmatrelvir/ritonavir had a low COVID-19-related mortality rate of 1.3%, primarily used in mild cases, while remdesivir, used for moderate to severe cases, showed a higher mortality rate of 9%.
  • The study found that male gender was linked to lower mortality risk while corticosteroid use and co-infections increased risk, and highlighted that
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  • * A study focused on 29 CML patients, some on TKIs and others in treatment-free remission, comparing their immune responses after full COVID-19 vaccination with 20 healthy individuals over 17 months.
  • * Results showed that while CML patients developed a strong immune response similar to healthy individuals, their antibody-dependent cytotoxic activity was reduced, leading to slightly higher rates of mild COVID-19 breakthrough infections, particularly in those avoiding treatment.
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Nodal peripheral T-cell lymphoma (PTCL) with a T follicular helper phenotype (PTCL-TFH) is a new type of PTCL. We aimed to define its clinical characteristics and prognosis compared to PTCL not otherwise specified (PTCL-NOS) and angioimmunoblastic T-cell lymphoma (AITL). This retrospective observational study included 175 patients diagnosed with PTCL between 2008 and 2013 in 13 Spanish sites.

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  • - The study focuses on the effectiveness of COVID-19 vaccination in individuals with oncohematological diseases (OHD) who received hematopoietic stem cell transplants (HSCT), addressing significant morbidity and mortality rates prior to vaccination.
  • - It was found that these individuals maintained low but protective levels of neutralizing antibodies against SARS-CoV-2 after undergoing HSCT, indicating some persistent immune protection despite B-cell deficiencies.
  • - Results showed that although cellular immunity was impaired in those who had allogeneic HSCT, infections that occurred post-transplant were mild, reinforcing the necessity and safety of COVID-19 vaccination for this vulnerable group.
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  • Natural killer/T-cell lymphomas (NKTCL) are rare and serious types of blood cancer, and patients who don't respond to initial treatments have a very low chance of recovery.
  • A study looked at 135 patients who had a special type of stem cell transplant between 2010 and 2020, with most patients being around 43 years old and having had multiple treatments before the transplant.
  • After about 5 years, around half of the patients were still alive and doing well, showing that this transplant can help some patients with NKTCL live longer.
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  • Patients with secondary acute myeloid leukemia (s-AML) do not do as well after treatment compared to those with regular (de novo) acute myeloid leukemia (AML).
  • A study compared 58 s-AML patients with 52 de novo AML patients who had a stem-cell transplant.
  • The results showed that s-AML patients had a higher chance of health problems and dying after the transplant, especially if they weren’t in complete remission before the procedure.
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Mortality rates for COVID-19 have declined over time in the general population, but data in patients with hematologic malignancies are contradictory. We identified independent prognostic factors for COVID-19 severity and survival in unvaccinated patients with hematologic malignancies, compared mortality rates over time and versus non-cancer inpatients, and investigated post COVID-19 condition. Data were analyzed from 1166 consecutive, eligible patients with hematologic malignancies from the population-based HEMATO-MADRID registry, Spain, with COVID-19 prior to vaccination roll-out, stratified into early (February-June 2020; = 769 (66%)) and later (July 2020-February 2021; = 397 (34%)) cohorts.

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Introduction: The association of polymorphisms in molecules involved in the immune response (checkpoint inhibitors) with the clinical outcome after allogeneic transplantation (alloHSCT) has been described. Lymphocyte Activation 3 (LAG3) is a surface protein that plays a regulatory role in immunity as an inhibitory immune checkpoint molecule.

Methods: To determine its role in the alloHSCT setting, we analyzed 797 patients transplanted from HLA-identical sibling donors.

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The issue of how to identify newly diagnosed multiple myeloma (NDMM) patients requiring thromboprophylaxis remains unsolved. Several changes in thrombin generation (TG)-derived parameters have been described in multiple myeloma (MM) patients recently. Assessment of prothrombotic risk with a fully automated TG analyzer could reduce interlaboratory variability.

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The long-term clinical efficacy of SARS-CoV-2 vaccines according to antibody response in immunosuppressed patients such as hematological patients has been little explored. A prospective multicenter registry-based cohort study conducted from December 2020 to July 2022 by the Spanish Transplant and Cell Therapy group, was used to analyze the relationship of antibody response over time after full vaccination (at 3-6 weeks, 3, 6 and 12 months) (2 doses) and of booster doses with breakthrough SARS-CoV-2 infection in 1551 patients with hematological disorders. At a median follow-up of 388 days after complete immunization, 266 out of 1551 (17%) developed breakthrough SARS-CoV-2 infection at median of 86 days (range 7-391) after full vaccination.

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The humoral immune response developed after receiving the full vaccination schedule against COVID-19 is impaired in individuals who received anti-CD20 therapy 6-9 months before vaccination. However, there is little information about the cellular immune responses elicited in these individuals. In this study, we analyzed the humoral and cellular immune responses in 18 individuals with hematological disease who received the last dose of rituximab 13.

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Backgound: In the workup of follicular lymphoma (FL), bone marrow biopsy (BMB) assessment is a key component of FLIPI and FLIPI2, the most widely used outcome scores. During the previous decade, several studies explored the role of FDG-PET/CT for detecting nodal and extranodal disease, with only one large study comparing both techniques.

Methods: The aim of our study was to evaluate the diagnostic accuracy and the prognostic impact of both procedures in a retrospective cohort of 299 FL patients with both tests performed at diagnosis.

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A standard dose of 10 µg/kg/day granulocyte colony stimulating factors (G-CSF) is currently recommended for hematopoietic progenitor cells (HPCs) mobilization. Our aim was to analyze whether certain patients or healthy donors could benefit from high dose of G-CSF.We performed a retrospective multicenter analysis of HPCs mobilization procedures (2015-2020) in patients and healthy donors.

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