Publications by authors named "Maria-Pilar Gallego-Hernanz"

Unlabelled: This phase 2 study investigated pevonedistat + azacitidine + venetoclax ( = 83) versus azacitidine + venetoclax ( = 81) in patients with newly diagnosed acute myeloid leukemia (AML) ineligible for intensive chemotherapy. The study was stopped early following negative results from PANTHER, which evaluated pevonedistat in higher-risk myelodysplastic syndromes/chronic myelomonocytic leukemia or low-blast AML. Outcomes were analyzed up to the datacut.

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Acute myeloid leukemia (AML) with translocation t(8;16)(p11;p13) represents a rare entity that has been categorized as a disease-defining recurring cytogenetic abnormality with adverse risk in the 2022 European LeukemiaNet classification. This rating was mainly based on a retrospective analysis comprising patients from several large clinical trials, which, however, included only 21 patients treated with allogeneic stem cell transplantation (alloSCT). Therefore, the European Society for Blood and Marrow Transplantation performed a registry study on a larger cohort to evaluate the role of alloSCT in t(8;16) AML.

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The present case reports a bacteremia due to Lachnoanaerobaculum umeaense (a Gram-positive, filamentous, rod-shaped, anaerobic, spore-forming bacillus present in the human oral microbiota) in a patient treated for acute myeloid leukemia. After failed identification by MALDI-TOF, identification was done by sequencing of 16s rRNA. The patient was successfully treated with Amoxicillin-clavulanic acid and ciprofloxacin for seven days.

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Very few data are available about hypomethylating agent (HMA) efficiency in core binding factor acute myeloid leukemias (CBF-AML). Our main objective was to evaluate the efficacy and safety of HMA in the specific subset of CBF-AML. Here, we report the results of a multicenter retrospective French study about efficacy of HMA monotherapy, used frontline or for R/R CBF-AML.

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Article Synopsis
  • - Acute myeloid leukemia (AML) with a specific fusion gene is now recognized as a unique subtype, making it crucial to differentiate it from myeloid blast crisis chronic myeloid leukemia (BC-CML), particularly those without a chronic phase.
  • - The study analyzed a diverse cohort of CML and AML patients, revealing that the fusion functioned as an essential genetic marker in characterizing AML, while also unearthing AML-specific mutations and distinct gene expression patterns.
  • - Findings indicate that specific gene expressions, particularly of mRNAs like ID4, can help differentiate AML with the fusion from BC-CML, suggesting that further research is needed to validate these distinctions and deepen the understanding of this AML subtype.
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We investigated whether secondary versus de novo acute myeloid leukaemia (AML) would be associated with poor outcomes in adult acute AML patients in first complete remission (CR1) receiving unrelated cord blood transplantation (CBT). This is a retrospective study from the acute leukaemia working party of the European Society for Blood and Marrow Transplantation. Inclusion criteria included adult at first allogeneic haematopoietic cell transplantation between 2000 and 2021, unrelated single or double unit CBT, AML in CR1, no ex vivo T-cell depletion and no post-transplant cyclophosphamide.

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Article Synopsis
  • * In a study of 1091 adult patients, 12.9% had KMT2A-r, with a 5-year relapse rate of 40.7% and overall survival rate of 53.3%. The presence of specific gene alterations like TP53 and IKZF1 correlated with significantly worse outcomes.
  • * The analysis showed that measuring minimal residual disease (MRD) using KMT2A markers was more reliable than other methods, indicating that patients responding well early
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Whereas the prognosis of adult patients with Philadelphia-negative acute lymphoblastic leukemia (ALL) has greatly improved since the advent of pediatric-inspired regimens, the impact of initial central nervous system (CNS) involvement has not been formerly re-evaluated. We report here the outcome of patients with initial CNS involvement included in the pediatric-inspired prospective randomized GRAALL-2005 study. Between 2006 and 2014, 784 adult patients (aged 18-59 years) with newly diagnosed Philadelphia-negative ALL were included, of whom 55 (7%) had CNS involvement.

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We investigated single nucleotide polymorphisms (SNPs) possibly involved in immune reconstitution inflammatory syndrome of chronic disseminated candidiasis (IRIS-CDC) through a candidate gene approach and a prospective matched-control study. We found that an SNP located in interleukin-1B at rs1143627 was significantly associated with the risk of developing IRIS-CDC.

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Introduction: Positive urine sample is a frequent finding in post-chemotherapy febrile neutropenia (FN) and can lead to prolonged antibiotic therapy. The aim of this study was to assess the outcome of bacteriuria episodes in FN patients receiving targeted antibiotic therapy.

Materials And Methods: A multi-centric retrospective study was conducted over a four-year period (2014-2019) on systematic urinalysis.

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The treatment of acute myeloid leukemia (AML) with unfavorable cytogenetics treatment remains a challenge. We previously established that ex vivo exposure of AML blasts to eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), or fish oil emulsion (FO) induces Nrf2 pathway activation, metabolic switch, and cell death. The FILO group launched a pilot clinical study to evaluate the feasibility, safety, and efficacy of the adjunction of a commercial FO emulsion to 3 + 7 in untreated AML with unfavorable cytogenetics.

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Although Francisella tularensis is a well-known, highly virulent bacterium that causes tularemia in humans, other Francisella species have been associated with sporadic human infections. We describe a human cutaneous infection with bacteremia caused by F. salimarina, a Francisella species recently identified from seawater and fishes, in an immunocompromised patient in France.

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Objectives: There is no specific recommendation about antimicrobial treatment length for documented infections in chemotherapy induced febrile neutropenia (FN). Practices have changed along time in our center regarding length of antibiotic treatment. The aim of this study was to compare long versus short antibiotic course for bloodstream infection (BSI) treatment in acute myeloid leukemia (AML) patients during FN.

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In this randomized phase 3 study, the FILO group tested whether the addition of 6 mg/m of gemtuzumab ozogamycin (GO) to standard chemotherapy could improve outcome of younger patients with de novo acute myeloid leukemia (AML) and intermediate-risk cytogenetics. GO arm was prematurely closed after 254 inclusions because of toxicity. A similar complete remission rate was observed in both arms.

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We retrospectively examined the results of a new chemo-free approach combining blinatumomab with ponatinib (blina/pona) in 26 relapsed/refractory Philadelphia positive (Ph+) acute lymphoblastic leukemia (ALL) patients. All but one achieved complete morphologic remission, and 23 achieved a complete molecular response. With a median follow-up of 34.

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Article Synopsis
  • - Among myeloproliferative neoplasms, polycythemia vera (PV) and essential thrombocythemia (ET) are chronic conditions that can evolve into leukemia, although this progression is rare and has a poor prognosis.
  • - A study involving 49 cases of leukemic transformations in PV and ET identified three distinct molecular groups that correlate with different timelines for transformation based on specific genetic mutations.
  • - The research revealed that some mutations were present during the chronic phase of the disease, but not all mutations were detectable before the onset of leukemia, indicating that the transformation process may involve varying molecular mechanisms over time.
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The OPAL study is a French multicenter observational retrospective analysis of adults with relapsed/refractory Philadelphia chromosome-positive acute lymphoblastic leukemia treated in a real-life setting by ponatinib. Twenty-nine patients were included since 2012. Median age was 55  years.

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Background: Chronic disseminated candidiasis (CDC) is a rare disease that mostly occurs after chemotherapy-induced prolonged neutropenia in patients with hematological malignancies. It is believed to ensue from Candida colonization, breach of the intestinal epithelial barrier, and venous translocation to organs. Fungal blood or liver biopsy cultures are generally negative, suggesting the absence of an ongoing invasive fungal disease.

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Article Synopsis
  • A study reports on a patient with AML-M2 who has a unique NUP98-LEDGF gene fusion, showing three different fusion mRNAs due to alternative splicing.
  • High-throughput sequencing identified additional mutations (IDH1, SRSF2, WT1) in this patient, and a real-time PCR method was developed for monitoring NUP98-LEDGF mRNA levels.
  • Following a poor response to traditional chemotherapy, the patient underwent stem cell transplantation and subsequent azacitidine treatment, ultimately achieving complete molecular remission 25 months post-transplant.
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