Minimal disease assessment in the treatment of children and adolescents with intermediate-risk (Stage III/IV) B-cell non-Hodgkin lymphoma: A children's oncology group report

Bruce Shiramizu, Stanton Goldman, Ian Kusao, Melissa Agsalda, James Lynch, Lynette M Smith, Lauren Harrison, Erin Morris, Thomas G. Gross, Warren Sanger, Sherrie Perkins, Mitchell S. Cairo

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30 Scopus citations

Abstract

Children/adolescents with mature B-cell non-Hodgkin lymphoma (B-NHL) have an excellent prognosis but relapses still occur. While chromosomal aberrations and/or clonal immunoglobulin (Ig) gene rearrangements may indicate risk of failure, a more universal approach was developed to detect minimal disease (MD). Children/adolescents with intermediate-risk B-NHL were treated with French-British-American/Lymphome Malins de Burkitt 96 (FAB/LMB96) B4 modified chemotherapy and rituximab. Specimens from diagnosis, end of induction (EOI), and end of therapy (EOT) were assayed for MD. Initial specimens were screened for IGHV family usage with primer pools followed by individual primers to identify MD. Thirty-two diagnostic/staging specimens screened positive with primer pools and unique IGHV family primers were identified. Two patients relapsed; first relapse (4months from diagnosis) was MD-positive at EOI, the second (36months from diagnosis) was MD-positive at EOT. At EOI, recurrent rates were similar between the MRD-positive and MRD-negative patients (P=0·40). At EOT, only 13/32 patients had MRD data available with one relapse in the MRD-positive group and no recurrences in the MRD-negative group (P=0·077). The study demonstrated molecular-disseminated disease in which IgIGHV primer pools could be used to assess MD. This feasibility study supports future investigations to assess the validity and significance of MD screening in a larger cohort of patients with intermediate-risk mature B-NHL.

Original languageEnglish (US)
Pages (from-to)758-763
Number of pages6
JournalBritish Journal of Haematology
Volume153
Issue number6
DOIs
Publication statusPublished - Jun 1 2011

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Keywords

  • Immunoglobulin rearrangement
  • Lymphoma
  • Minimal residual disease
  • Non-Hodgkin lymphoma
  • Polymerase chain reaction

ASJC Scopus subject areas

  • Hematology

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