2,050 results match your criteria: "Hospital Clinic-Barcelona[Affiliation]"

Testicular large B-cell lymphoma is genetically similar to PCNSL and distinct from nodal DLBCL.

Hemasphere

October 2024

Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) Barcelona Spain.

Article Synopsis
  • * A study involving 61 TLBCL patients analyzed their genetic characteristics compared to nodal DLBCL and primary CNS large B-cell lymphomas; findings indicated that TLBCL has fewer copy number changes but more somatic mutations than nodal DLBCL.
  • * The results highlight a unique genetic profile for TLBCL, with most cases classified as MCD, indicating genetic diversity, suggesting that this lymphoma type warrants targeted treatment strategies due to its distinct biology.
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Article Synopsis
  • The study looked at how patients with a liver disease called primary biliary cholangitis (PBC) respond to a treatment called ursodeoxycholic acid (UDCA).
  • It found that many patients (33%) didn’t have a good response after one year, and those who lost their good response had a higher chance of needing a liver transplant or dying.
  • The research showed that staying or getting back to a good response is important for improving long-term health.
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  • Humanized immunodeficient mice are important for studying how transplanted human cells interact with a human immune system, helping to improve immunotherapy development.
  • Current methods for reconstituting the immune system using CD34+ cells or peripheral blood often lead to issues like high rates of graft-versus-host disease and poor immune cell representation.
  • This study found that using cord blood mononuclear cells in a specific mouse model allows for better immune reconstitution with less GvHD, leading to effective anti-cancer responses and a promising approach for cancer immunotherapy.
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  • The phase III KEYNOTE-913 study focused on assessing the effectiveness and safety of pembrolizumab as a first-line treatment for advanced Merkel cell carcinoma (MCC).
  • Results indicated a 49% objective response rate among the 55 patients treated, with a median duration of response of 39.8 months and median overall survival of 24.3 months.
  • The treatment showed manageable side effects, with 69% of patients experiencing any grade adverse events, but only 24% facing severe issues, highlighting pembrolizumab's potential in this patient group.
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  • The review focuses on the importance of histopathological analysis of tissue samples in chronic rhinosinusitis with nasal polyps (CRSwNP) to enhance understanding and treatment options.
  • It highlights that the severity of CRSwNP correlates with factors like eosinophil levels in nasal polyps, and discusses ongoing debates over biopsy methods and sample locations.
  • A pragmatic checklist has been proposed by a panel of experts to standardize tissue analysis, improve communication among healthcare providers, and help identify CRSwNP subtypes for better-targeted therapies.
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Article Synopsis
  • Point-of-Care Ultrasound (POCUS) has become a vital aspect of medical practice, prompting a consensus by various Spanish medical societies to create guidelines for its effective use in healthcare settings.
  • Expert working groups reviewed literature and held discussions to formulate practical recommendations for applying POCUS in emergencies, critical care, primary care, and hospitalization.
  • The guidelines aim to standardize ultrasound use, ensure quality in training and evaluations, and enhance the efficiency and safety of clinical diagnoses and interventions, ultimately improving healthcare services.
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Nature and management of melanoma recurrences following adjuvant anti-PD-1 based therapy.

Eur J Cancer

November 2024

Melanoma Institute Australia, University of Sydney, 45 Rocklands Road, Wollstonecraft, Sydney, NSW, Australia; Department of Medical Oncology, Royal North Shore Hospital, North Sydney, Sydney, NSW, Australia. Electronic address:

Introduction: Approximately 50 % of resected stage II-IV melanoma patients develop recurrent disease by 5 years despite adjuvant anti-PD-1 therapy. Data to define best management of recurrences is lacking.

Methods: This was a multicentre, international, retrospective cohort study.

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Influence of Subclinical Atherosclerosis Burden and Progression on Mortality.

J Am Coll Cardiol

October 2024

Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares, Madrid, Spain; Cardiology Department, IIS-Fundación Jiménez Díaz University Hospital, Madrid, Spain.

Background: Atherosclerosis is a dynamic process. There is little evidence regarding whether quantification of atherosclerosis extent and progression, particularly in the carotid artery, in asymptomatic individuals predicts all-cause mortality.

Objectives: This study sought to evaluate the independent predictive value (beyond cardiovascular risk factors) of subclinical atherosclerosis burden and progression and all-cause mortality.

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Background: Cardiovascular (CV) diseases are the most common cause of death worldwide. This study aimed to investigate the incidence and type of first CV event in a broad cohort of Spaniards, focusing on age and sex differences.

Methods: This was a retrospective study using the SIDIAP database.

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The 2022 WHO revision and the ICC classification have recently modified the diagnostic criteria for chronic myelomonocytic leukemia (CMML) and acute myeloid leukemia. However, there is no consensus on whether CMML with NPM1 mutation (NPM1mut) should be diagnosed as AML. Nowadays, it is a subject of discussion because of its diagnostic and therapeutic implications.

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Radioactive seed localization technique with 125-I in inguinal endometriosis.

Rev Esp Med Nucl Imagen Mol (Engl Ed)

September 2024

Department of Nuclear Medicine, Hospital Clínic Barcelona, Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Barcelona, Spain.

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Article Synopsis
  • Colistin, specifically colistimethate (CMS), is still used in critically ill patients, particularly those on continuous renal replacement therapy (CRRT) for infections caused by carbapenem-resistant bacteria, despite limited real-life data on its effectiveness and safety.
  • A study involving 20 critically ill patients receiving a specific dosage of CMS showed high colistin levels in their blood but raised concerns about exceeding safety limits, as many patients experienced poor outcomes including a high mortality rate.
  • The findings suggest that while the recommended dosing achieves effective concentrations against bacteria, it poses risks of toxicity, and close monitoring is necessary to balance efficacy and safety.
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  • Hydroxyurea (HU) is the primary treatment for essential thrombocythemia (ET), but there are no clear guidelines for when to switch therapies.
  • In a study of 1080 patients, 67% achieved a complete hematological response (CHR) after five years, with high-risk patients showing lower risks of arterial thrombosis if they achieved CHR.
  • Patients with HU resistance or intolerance had a higher chance of developing myelofibrosis, but this did not significantly impact overall survival or thrombotic risk; CHR is linked to improved outcomes and may guide future treatment decisions.
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Thyroid cancer (TC) represents 3% of global cancer incidence. Recent changes have optimized treatment decisions based on risk assessment, molecular profiling, and imaging assessment, leading the development of targeted agents that have modified the natural history of this disease. This increasing complexity on treatment options requires careful assessment at the different stages of the disease to provide the most suitable approach from diagnosis to long-term follow-up.

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The impact of mepolizumab on sleep impairment in CRSwNP: post hoc analyses of SYNAPSE and MUSCA.

Rhinology

December 2024

Department of Otorhinolaryngology - Head and Neck Surgery, University Hospital of Munster, Munster, Germany; Department of Otorhinolaryngology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China.

Background: The impact of mepolizumab on impaired sleep, one of the most bothersome symptoms in patients with chronic rhinosinusitis with nasal polyps (CRSwNP), is unknown. This study aimed to determine the effect of mepolizumab and impact of comorbid upper and lower airway disease and blood eosinophil count (BEC) on sleep-/fatigue-related outcomes in CRSwNP.

Methods: This was an analysis of the Phase III SYNAPSE and MUSCA (NCT03085797/NCT02281318) trials of mepolizumab in patients with severe CRSwNP and severe asthma, respectively.

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Exchangeable copper for patients with Wilson disease at follow-up: Rethinking normal ranges or changing methodology.

Hepatology

September 2024

Centro de Investigación Biomédica en Red, Enfermedades hepáticas y digestivas (CIBERehd), Madrid, Spain.

Background And Aim: Determining suitable copper parameters for monitoring Wilson disease remains a topic of ongoing discussion. International recommendations currently rely on the combination of urinary copper excretion and nonspecific liver markers when considering therapy and time elapsed since diagnosis. The emergence of exchangeable copper (CuEX) as a novel measurement reflecting the "free copper pool" held promise as a valuable target to ensure metabolic stability during follow-up, although the validation of target ranges remains unknown.

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Background: The impact of the order of treatment with checkpoint inhibitors or BRAF/MEK inhibitors on the development of brain metastases in patients with metastatic unresectable V600-mutant melanoma is unknown. The SECOMBIT trial examined the impact of the order of receipt of these treatments in such patients.

Methods: In this three-arm trial, we reviewed patients without brain metastases who received the BRAF/MEK inhibitors encorafenib and binimetinib until they had progressive disease followed by the immune checkpoint inhibitors ipilimumab and nivolumab (arm A); or treatment with ipilimumab and nivolumab until they had progressive disease followed by encorafenib and binimetinib (arm B); or treatment with encorafenib and binimetinib for 8 weeks followed by ipilimumab and nivolumab until they had progressive disease followed by retreatment with encorafenib arm binimetinib (arm C).

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Heart transplant remains the gold standard treatment for patients with end-stage heart failure. However, given the limited availability of donor hearts, alternative approaches and strategies are required. The development of a variety of mechanical circulation support options, including left ventricular assist devices and total artificial heart, have allowed improved quality of life and eventually have facilitated a bridge to heart transplantation strategies for certain patients.

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Background: Ultraviolet- C (UV-C) light is effective for reducing environmental bioburden in hospitals, and the use of robots to deliver it may be advantageous.

Aim: To evaluate the feasibility and clinical efficacy of an autonomous programmable UV-C robot in surgical and intensive care unit (ICU) rooms of a tertiary hospital.

Method: During ten consecutive months, the device was used in six theatres where cardiac, colorectal and orthopaedic surgeries were performed, and in the rooms previously occupied by patients subjected to contact precautions of a 14-bed ICU.

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Background: Pembrolizumab significantly improved overall survival (OS) versus ipilimumab for unresectable advanced melanoma in KEYNOTE-006 (NCT01866319); 10-year follow-up data are presented.

Patients And Methods: Patients with unresectable stage III or IV melanoma were randomly assigned (1:1:1) to pembrolizumab 10 mg/kg i.v.

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Current Goals of NSAID-ERD Management: Patient-Centered Approaches Involving NSAID Desensitization With and Without Biologics.

J Allergy Clin Immunol Pract

November 2024

CIBER of Respiratory Diseases (CIBERES), Madrid, Spain; Rhinology Unit & Smell Clinic Unit, ENT Department, Hospital Clinic Barcelona, FRCB-IDIBAPS, Universitat de Barcelona, Barcelona, Catalonia, Spain.

The classic approach of nonsteroidal anti-inflammatory drug (NSAID)-exacerbated respiratory disease (NSAID-ERD) includes pharmaceutical and surgical treatments, as well as avoidance of cyclooxygenase 1-inhibitor NSAIDs. The introduction of biologics in the treatment of severe asthma and chronic rhinosinusitis with nasal polyps represents an alternative therapeutic approach to the classical aspirin therapy after desensitization (ATAD) in some regions, and with convincing results. However, their use is limited due to approval and/or high-cost restrictions.

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Clinical presentations and antibody mechanisms in anti-IgLON5 disease.

Rev Neurol (Paris)

November 2024

Fundació de Recerca Biomèdica Clínic Barcelona-Institut d'Investigacions August Pi i Sunyer-Caixa Research Institute, Universitat de Barcelona, Barcelona, Spain; Spanish National Network for Research on Rare Diseases (CIBERER), Madrid, Spain. Electronic address:

Article Synopsis
  • * Advances in monitoring the disease include using biomarkers for neuronal damage and PET scans to visualize tau deposits in the brain.
  • * Recent research strengthens the autoimmune theory behind the disease, supported by pathological findings and experiments showing brain changes linked to antibodies from affected patients.
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Article Synopsis
  • The study focuses on a modified script training intervention called Video-Implemented Script Training for Aphasia (VISTA) aimed at improving speech in people with Primary Progressive Aphasia (PPA), a disorder that affects language skills.
  • Thirteen bilingual participants (Spanish-Catalan) with different variants of PPA underwent the training over 8 weeks, with evaluations on their script accuracy and production quality at multiple time points.
  • Results indicated significant improvements in various speech measures regardless of whether the training was conducted via teletherapy or in-person, highlighting the effectiveness and acceptability of the intervention for individuals with different PPA variants.
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Conferring alloantigen specificity to regulatory T cells: A comparative analysis of cell preparations undergoing clinical development in transplantation.

Am J Transplant

January 2025

Department of Inflammation Biology, Institute of Liver Studies, School of Immunology and Microbial Sciences, James Black Centre, King's College London, London, UK. Electronic address:

Conferring alloantigen-specificity to ex vivo expanded CD4CD25FOXP3 regulatory T cells (Tregs) increases their capacity to counteract effector alloimmune responses following adoptive transfer into transplant recipients. Three strategies are currently undergoing clinical development, which involve the following: (1) expanding Tregs in the presence of donor B cells (donor alloantigen-reactive [DAR] Tregs); (2) culturing Tregs with donor cells in the presence of costimulation blockade (CSB-Tregs); and (3) transducing Tregs with an human leukocyte antigen A2-specific chimeric antigen receptor (CAR-Tregs). Our goal in this study was to assess the relative potency of each of these manufactured Treg products both in vitro and in vivo.

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Article Synopsis
  • * A Delphi study involving 45 experts from Spain was conducted, utilizing an online survey to reach consensus on high-risk usage parameters based on a standardized measure called the Standard Joint Unit (SJU).
  • * The established consensus defined high-risk cannabis use as exceeding 4 SJU (over 28 mg THC) per week, or using cannabis with a potency greater than 10% THC.
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