A Prospective Study of Hematologic Complications and Long-Term Survival of Italian Patients Affected by Shwachman-Diamond Syndrome

Simone Cesaro, Anna Pegoraro, Laura Sainati, Vincenzina Lucidi, Enza Montemitro, Paola Corti, Ugo Ramenghi, Cristina Nasi, Giuseppe Menna, Marco Zecca, Cesare Danesino, Elena Nicolis, Francesco Pasquali, Sandra Perobelli, Gloria Tridello, Piero Farruggia, Marco Cipolli

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Abstract

Objective: To describe the hematologic outcome and long-term survival of patients enrolled in the Shwachman-Diamond syndrome Italian Registry. Study design: A retrospective and prospective study of patients recorded in the Shwachman-Diamond syndrome Italian Registry. Results: The study population included 121 patients, 69 males and 52 females, diagnosed between 1999 and 2018. All patients had the clinical diagnosis confirmed by mutational analysis on the SBDS gene. During the study period, the incidence of SDS was 1 in 153 000 births. The median age of patients with SDS at diagnosis was 1.3 years (range, 0-35.6 years). At the first hematologic assessment, severe neutropenia was present in 25.8%, thrombocytopenia in 25.5%, and anemia in 4.6% of patients. A normal karyotype was found in 40 of 79 patients, assessed whereas the most frequent cytogenetic abnormalities were isochromosome 7 and interstitial deletion of the long arm of chromosome 20. The cumulative incidence of severe neutropenia, thrombocytopenia, and anemia at 30 years of age were 59.9%, 66.8%, and 20.2%, respectively. The 20-year cumulative incidence of myelodysplastic syndrome/leukemia and of bone marrow failure/severe cytopenia was 9.8% and 9.9%, respectively. Fifteen of 121 patients (12.4%) underwent allogeneic stem cell transplantation. Fifteen patients (12.4%) died; the probability of overall survival at 10 and 20 years was 95.7% and 87.4%, respectively. Conclusions: Despite an improvement in survival, hematologic complications still cause death in patients with SDS. Further studies are needed to optimize type and modality of hematopoietic stem cell transplantation and to assess the long-term outcome in nontransplanted patients.

Original languageEnglish
JournalJournal of Pediatrics
DOIs
Publication statusAccepted/In press - Jan 1 2020

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Keywords

  • cytopenia
  • leukemia
  • myelodysplastic syndrome
  • Shwachman-Diamond syndrome
  • survival

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

Cite this

Cesaro, S., Pegoraro, A., Sainati, L., Lucidi, V., Montemitro, E., Corti, P., Ramenghi, U., Nasi, C., Menna, G., Zecca, M., Danesino, C., Nicolis, E., Pasquali, F., Perobelli, S., Tridello, G., Farruggia, P., & Cipolli, M. (Accepted/In press). A Prospective Study of Hematologic Complications and Long-Term Survival of Italian Patients Affected by Shwachman-Diamond Syndrome. Journal of Pediatrics. https://doi.org/10.1016/j.jpeds.2019.12.041