Publications by authors named "M A Hoechstetter"

Article Synopsis
  • Tixagevimab-cilgavimab is effective in reducing severe COVID-19 outcomes in high-risk hematological malignancy patients during the Omicron wave, despite a significant incidence of breakthrough infections.
  • 32.6% of patients experienced COVID-19 infections, but most cases were milder and shorter in duration, especially within the first six months of treatment.
  • Recent B-cell depletion was identified as a significant risk factor for breakthrough infections, indicating that these patients may need extra caution and monitoring.
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More than 80% of newly diagnosed chronic lymphocytic leukemia (CLL) patients present with asymptomatic, early-stage CLL. Of these, only 30-50% progress to advanced stage with reduced survival, while the rest may never require treatment. According to the 2018 International Workshop on CLL (iwCLL) guidelines, patients who do not meet the criteria for treatment initiation should only be treated within the context of clinical trials, as data demonstrating an overall survival benefit in early-stage CLL are still awaited.

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We evaluated the chronic lymphocytic leukemia International Prognostic Index (CLL-IPI) in patients with CLL treated first line with targeted drugs (n = 991) or chemoimmunotherapy (n = 1256). With a median observation time of 40.5 months, the 3-year progression-free survival (PFS) rates for targeted drug-treated patients varied by CLL-IPI risk group: 96.

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Objectives: To describe late transplant-associated thrombotic microangiopathy (TA-TMA) as chronic endothelial complication in bone marrow (BM) after allogeneic hematopoietic stem cell transplantation (HSCT).

Methods: BM specimens along with conventional diagnostic parameters were assessed in 14 single-institutional patients with late TA-TMA (more than 100 days after HCST), including 11 late with history of early TA-TMA, 10 with early TA-TMA (within 100 days), and 12 non TA-TMA patients. Three non-HSCT patients served as control.

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Patients with chronic lymphocytic leukemia (CLL) treated with B-cell pathway inhibitors and anti-CD20 antibodies exhibit low humoral response rates following SARS-CoV-2 vaccination. To investigate this observation, a prospective single-institution study was conducted comparing peripheral blood mononuclear cell transcriptional response with antibody and T-cell response rates following heterologous BNT162b2/ChAdOx1 vaccination of 15 patients with CLL/small lymphocytic lymphoma (SLL). Two-dose antibody response rate was 40%, increasing to 53% after booster.

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