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Investigating the Mechanisms of Methotrexate Neurotoxicity in Patients With Childhood Leukemia and Long-Term Survivors
Adverse neurological events are common (4-20%) during treatment for pediatric acute lymphoblastic leukaemia (ALL) and include seizures, stroke like syndrome and leukoencephalopathy. In addition, chronic neurotoxicity is emerging as a worrying late effect of treatment with long-term survivors experiencing decreased executive function, processing speed and memory function. Survivors are also at increased risk of experiencing learning difficulties, social withdrawal issues and inattention hyperactivity disorders.
Source: Clinical Lymphoma, Myeloma and Leukemia - September 1, 2017 Category: Hematology Authors: Victoria Forster, Jane Carr-Wilkinson, Deborah Tweddle, Sirintra Nakjang, Sanaa Choufani, Rosanna Weksberg, Frederik van Delft Source Type: research

A Case of ALL Developing Posterior Reversible Encephalopathy Secondary to Hyponatremia
We describe a case of acute lymphoblastic leukemia in which PRES developed secondary to hyponatremia despite being normotensive during receipt of chemotherapy. Magnetic resonance imaging findings were suggestive of PRES. Partial diffusion restriction was observed in lesions in the bilateral occipitoparietal regions and the cerebellum. The patient was treated with appropriate medications with the resolution of his stroke-like symptoms. No neurological deficit was observed and clinical condition improved. The patient continued with chemotherapy. Early diagnosis and treatment of this syndrome is important in terms of preventi...
Source: Journal of Pediatric Hematology Oncology - October 26, 2017 Category: Hematology Tags: Online Articles: Clinical and Laboratory Observations Source Type: research

Medical Conditions Among Survivors of Adolescent and Young Adult Non-Hodgkin Lymphoma (NHL), Acute Lymphoblastic Leukemia (ALL) and Acute Myeloid Leukemia (AML)
Conclusion: This study found that sociodemographic factors were associated with the risk of developing medical conditions in AYA NHL, ALL and AML survivors. As expected, the risk of medical conditions varied by cancer type and treatment, with those undergoing SCT having a higher risk of medical conditions regardless of cancer type. NHL and ALL survivors who were uninsured or publicly insured were at a consistently higher risk of developing medical conditions, as were Hispanic ALL survivors and Black AML survivors. Our findings highlight the higher burden of medical conditions in subgroups of cancer survivors that may relat...
Source: Blood - November 21, 2018 Category: Hematology Authors: Keegan, T. H. M., Muffly, L. S., Li, Q., Alvarez, E., Brunson, A. M., Malogolowkin, M., Wun, T. Tags: 904. Outcomes Research-Malignant Conditions: Real World Outcomes Source Type: research

Acute Neurotoxicity during ALL Therapy Is Associated with Treatment Intensity, Age and Female Sex - an Analysis of SAE Reports from the UKALL 2003 Trial
Discussion:This large study identifies treatment intensity as the main risk factor for developing acute neurotoxicity with female sex, age and CNS status having a significant modifying effect. CNS status may reflect increased intrathecal therapy given to non-CNS-1 patients. Females are more vulnerable to cranial radiotherapy induced neurotoxicity but this is the first report of female sex as a risk factor on contemporary chemotherapy treatment protocols. Reassuringly, the occurrence of acute neurotoxicity did not influence survival rates. These data provide an important benchmark for ongoing international deep phenotyping ...
Source: Blood - November 21, 2018 Category: Hematology Authors: Wahid, Q.-u.-A., Hamadeh, L., McGowan, S., Hough, R., Vora, A., Moorman, A. V., Halsey, C. Tags: 612. Acute Lymphoblastic Leukemia: Clinical Studies: Poster I Source Type: research

Severe, Fatal Methotrexate-related Neurotoxicity in 2 Adolescent Patients With ALL
Neurotoxicity is a well-documented adverse effect of methotrexate in the treatment of pediatric cancers. The spectrum of symptoms is broad, can include stroke-like episodes and seizures, and classically resolves within days. The majority of patients tolerate subsequent doses without recurrence of symptoms. The population of patients who experience persistent and irreversible neurologic symptoms is poorly described, with the existing literature suggestive of a relationship with radiation therapy. The authors present a case series of 2 patients with pre-B-cell acute lymphoblastic leukemia who developed severe and ultimately ...
Source: Journal of Pediatric Hematology Oncology - October 23, 2020 Category: Hematology Tags: Online Articles: Clinical and Laboratory Observations Source Type: research

CLL-390 Persistence and Time to Next Treatment With Ibrutinib Treatment in Patients With Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma Including Patients at High Risk for Atrial Fibrillation or Stroke: A Real-World Study
Context: Atrial fibrillation (AF) is a recognized adverse consequence associated with all Bruton's tyrosine kinase inhibitors used to treat chronic lymphocytic leukemia (CLL)/small lymphocytic lymphoma (SLL); however, real-world time to discontinuation (TTD) and time to next treatment (TTNT) of CLL/SLL patients with a high baseline AF risk remain unknown. Objective: To describe TTNT and TTD for CLL/SLL patients who initiated a first-line (1L) or second-or-later-line (2L+) therapy with ibrutinib or other regimens, in all patients and for subsets of patients with high baseline risk of AF/AF-related events.
Source: Clinical Lymphoma, Myeloma and Leukemia - September 21, 2022 Category: Hematology Authors: Anna Narezkina, Nausheen Akhter, Xiaoxiao Lu, Bruno Emond, Qing Huang, Sumeet Panjabi, Annalise Hilts, Stephanie Lu, Marie-H élène Lafeuille, Patrick Lefebvre, Michael Choi Tags: Acute Lymphoblastic Leukemia Source Type: research