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  3. FLORENCE: a randomized, double-blind, phase III pivotal study of febuxostat versus allopurinol for the prevention of tumor lysis syndrome (TLS) in patients with hematologic malignancies at intermediate to high TLS risk

FLORENCE: a randomized, double-blind, phase III pivotal study of febuxostat versus allopurinol for the prevention of tumor lysis syndrome (TLS) in patients with hematologic malignancies at intermediate to high TLS risk

Fecha de publicación:

Autores de IIS La Fe

Participantes ajenos a IIS La Fe

  • Spina M
  • Nagy Z
  • Ribera JM
  • Federico M
  • Aurer I
  • Jordan K
  • Borsaru G
  • Pristupa AS
  • Bosi A
  • Grosicki S
  • Glushko NL
  • Ristic D
  • Jakucs J
  • Mayer J
  • Rego EM
  • Baldini S
  • Scartoni S
  • Capriati A
  • Maggi CA
  • Simonelli C
  • FLORENCE Study Group

Grupos

Abstract

Background: Serum uric acid (sUA) control is of key relevance in tumor lysis syndrome (TLS) prevention as it correlates with both TLS and renal event risk. We sought to determine whether febuxostat fixed dose achieves a better sUA control than allopurinol while preserving renal function in TLS prevention. Patients and methods: Patients with hematologic malignancies at intermediate to high TLS risk grade were randomized to receive febuxostat or allopurinol, starting 2 days before induction chemotherapy, for 7-9 days. Study treatment was blinded, whereas daily dose (low/standard/high containing allopurinol 200/300/600 mg, respectively, or fixed febuxostat 120 mg) depended on the investigator's choice. The co-primary end points, sUA area under curve (AUC sUA(1-8)) and serum creatinine change, were assessed from baseline to day 8 and analyzed through analysis of covariance with two-sided overall significance level of 5%. Secondary end points included treatment responder rate, laboratory and clinical TLS incidence and safety. Results: A total of 346 patients (82.1% intermediate TLS risk; 82.7% assigned to standard dose) were randomized. Mean AUC sUA(1-8) was 514.0 +/- 225.71 versus 708.0 +/- 234.42 mgxh/dl (P < 0.0001) in favor of febuxostat. Mean serum creatinine change was -0.83 +/- 26.98% and -4.92 +/- 16.70% for febuxostat and allopurinol, respectively (P = 0.0903). No differences among secondary efficacy end points were detected. Drug-related adverse events occurred in 6.4% of patients in both arms. Conclusion: In the largest adult trial carried out in TLS prevention, febuxostat achieved a significant superior sUA control with one fixed dose in comparison to allopurinol with comparable renal function preservation and safety profile.

Datos de la publicación

ISSN/ISSNe:
0923-7534, 1569-8041

ANNALS OF ONCOLOGY  OXFORD UNIV PRESS

Tipo:
Article
Páginas:
2155-2161
PubMed:
26216382
Factor de Impacto:
4,337 SCImago ℠
Cuartil:
Q1 SCImago ℠

Citas Recibidas en Web of Science: 35

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Keywords

  • tumor lysis; allopurinol; febuxostat; kidney injury; hematologic malignancy

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