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Outcomes of high‑dose methotrexate for CNS prophylaxis in diffuse large B‑cell lymphoma with an intermediate or high CNS‑International Prognostic Index: A single‑center retrospective cohort study

  • Authors:
    • Mubarak Al‑Mansour
    • Ahmed Absi
    • Roula Al‑Μufti
    • Majed Alahmadi
    • Ihab El‑Ηemaidi
    • Sameer Alamoudi
    • Saleem Eldadah
    • Syed Sameer Aga
    • Muhammed A. Khan
    • Ahmed Alsaeed
  • View Affiliations / Copyright

    Affiliations: Department of Adult Medical Oncology, Princess Noorah Oncology Center, King Abdulaziz Medical City, Ministry of National Guard Health Affairs‑Western Region, Jeddah 21423, Saudi Arabia, College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard Health Affairs‑Western Region, Jeddah 21423, Saudi Arabia
    Copyright: © Al‑Mansour et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Article Number: 159
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    Published online on: October 13, 2022
       https://doi.org/10.3892/mco.2022.2592
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Abstract

Central nervous system (CNS) relapse in patients with diffuse large B‑cell lymphoma (DLBCL) is rare (2‑5% of cases), but is a devastating complication with a poor survival rate. The administration of high‑dose methotrexate (HDMTX) for CNS prophylaxis in patients with DLBCL is controversial and variable in the literature. The present study aimed to evaluate the clinical outcomes of HDMTX CNS prophylaxis in patients with intermediate and high CNS‑International Prognostic Index (IPI) DLBCL using real‑world data. An observational retrospective cohort study was conducted of all patients with intermediate and high CNS‑IPI DLBCL treated at Princess Noorah Oncology Center (King Abdulaziz Medical City, Jeddah, Saudi Arabia) between January 2010 and December 2020. Patients were treated with HDMTX either intravenously or intrathecally, according to the physician's evaluation of the patient. Data on patient clinical characteristics, CNS relapses, risk factors and survival rates were obtained from hospital records. Data were analyzed using Student's unpaired t‑test and the χ2 test to compare the two subgroups, the Kaplan‑Meier survival method with log‑rank test to calculate and compare the survival rates, and regression analysis to determine the risk factors for CNS relapse and death. The study included 358 patients (n=32 with HDMTX CNS prophylaxis and n=326 without CNS prophylaxis). Patients in the CNS prophylaxis group had a significantly higher CNS relapse rate than those in the non‑CNS prophylaxis group (12.5% vs. 1.8%; P=0.008). Patients who received CNS prophylaxis were younger and had an advanced stage of disease, with extranodal involvement and a high serum lactate dehydrogenase level at presentation. CNS prophylaxis was significantly associated with CNS relapse, while relapsed disease was associated with the risk of death (all P<0.05). In conclusion, the present study found that patients with intermediate and high CNS‑IPI who received HDMTX CNS prophylaxis did not have fewer CNS relapses; however, those without CNS relapse had higher survival rates. In addition to CNS prophylaxis, Stage of DLBCL and IPI were significantly associated with CNS relapse. Future randomized control trials are needed to evaluate the efficacy of HDMTX CNS prophylaxis in patients with DLBCL.
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Copy and paste a formatted citation
Spandidos Publications style
Al‑Mansour M, Absi A, Al‑Μufti R, Alahmadi M, El‑Ηemaidi I, Alamoudi S, Eldadah S, Aga SS, Khan MA, Alsaeed A, Alsaeed A, et al: Outcomes of high‑dose methotrexate for CNS prophylaxis in diffuse large B‑cell lymphoma with an intermediate or high CNS‑International Prognostic Index: A single‑center retrospective cohort study. Mol Clin Oncol 17: 159, 2022.
APA
Al‑Mansour, M., Absi, A., Al‑Μufti, R., Alahmadi, M., El‑Ηemaidi, I., Alamoudi, S. ... Alsaeed, A. (2022). Outcomes of high‑dose methotrexate for CNS prophylaxis in diffuse large B‑cell lymphoma with an intermediate or high CNS‑International Prognostic Index: A single‑center retrospective cohort study. Molecular and Clinical Oncology, 17, 159. https://doi.org/10.3892/mco.2022.2592
MLA
Al‑Mansour, M., Absi, A., Al‑Μufti, R., Alahmadi, M., El‑Ηemaidi, I., Alamoudi, S., Eldadah, S., Aga, S. S., Khan, M. A., Alsaeed, A."Outcomes of high‑dose methotrexate for CNS prophylaxis in diffuse large B‑cell lymphoma with an intermediate or high CNS‑International Prognostic Index: A single‑center retrospective cohort study". Molecular and Clinical Oncology 17.6 (2022): 159.
Chicago
Al‑Mansour, M., Absi, A., Al‑Μufti, R., Alahmadi, M., El‑Ηemaidi, I., Alamoudi, S., Eldadah, S., Aga, S. S., Khan, M. A., Alsaeed, A."Outcomes of high‑dose methotrexate for CNS prophylaxis in diffuse large B‑cell lymphoma with an intermediate or high CNS‑International Prognostic Index: A single‑center retrospective cohort study". Molecular and Clinical Oncology 17, no. 6 (2022): 159. https://doi.org/10.3892/mco.2022.2592
Copy and paste a formatted citation
x
Spandidos Publications style
Al‑Mansour M, Absi A, Al‑Μufti R, Alahmadi M, El‑Ηemaidi I, Alamoudi S, Eldadah S, Aga SS, Khan MA, Alsaeed A, Alsaeed A, et al: Outcomes of high‑dose methotrexate for CNS prophylaxis in diffuse large B‑cell lymphoma with an intermediate or high CNS‑International Prognostic Index: A single‑center retrospective cohort study. Mol Clin Oncol 17: 159, 2022.
APA
Al‑Mansour, M., Absi, A., Al‑Μufti, R., Alahmadi, M., El‑Ηemaidi, I., Alamoudi, S. ... Alsaeed, A. (2022). Outcomes of high‑dose methotrexate for CNS prophylaxis in diffuse large B‑cell lymphoma with an intermediate or high CNS‑International Prognostic Index: A single‑center retrospective cohort study. Molecular and Clinical Oncology, 17, 159. https://doi.org/10.3892/mco.2022.2592
MLA
Al‑Mansour, M., Absi, A., Al‑Μufti, R., Alahmadi, M., El‑Ηemaidi, I., Alamoudi, S., Eldadah, S., Aga, S. S., Khan, M. A., Alsaeed, A."Outcomes of high‑dose methotrexate for CNS prophylaxis in diffuse large B‑cell lymphoma with an intermediate or high CNS‑International Prognostic Index: A single‑center retrospective cohort study". Molecular and Clinical Oncology 17.6 (2022): 159.
Chicago
Al‑Mansour, M., Absi, A., Al‑Μufti, R., Alahmadi, M., El‑Ηemaidi, I., Alamoudi, S., Eldadah, S., Aga, S. S., Khan, M. A., Alsaeed, A."Outcomes of high‑dose methotrexate for CNS prophylaxis in diffuse large B‑cell lymphoma with an intermediate or high CNS‑International Prognostic Index: A single‑center retrospective cohort study". Molecular and Clinical Oncology 17, no. 6 (2022): 159. https://doi.org/10.3892/mco.2022.2592
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