Supranormal antithrombin III levels induced by concentrate administration are ineffective in quenching thrombin generation in acute promyelocytic leukemia

F. Rodeghiero, G. Castaman, L. Gugliotta, M. Mattioli Belmonte, A. Falanga, B. Bottasso, T. Barbui, P. M. Mannucci

Research output: Contribution to journalArticle

Abstract

Coagulation abnormalities occurring in patients with acute promyelocytic leukemia (APL) are partially corrected by heparin administration. This study was undertaken to verify if "supra-normal" levels of antithrombin III (AT-III) are similarly able to quench intravascular thrombin generation triggered by APL cells. Eight patients with APL were randomly assigned to receive either 50 U/kg (Group A) or 100 U/kg (Group B) of an AT-III concentrate, starting on the first day of chemotherapy and continuing for 7 days thereafter. Fibrinopeptide A (FPA), prothrombin fragment F1+2 and thrombin-AT III complexes, measured before and 15 minutes after each AT-III infusion, decreased significantly after each infusion, but the effect was minimal and short-lived, despite the achievement of post-infusion levels of AT-III activity well above 150 % (Group A) or 200 % (Group B). Small amounts of heparin were consistently detected in AT-III concentrates and post-infusion plasma samples. The short-lived quenching of thrombin generation after AT-III concentrate could be partially explained by the infusion of heparin, rather than by supranormal AT-III levels.

Original languageEnglish
Pages (from-to)377-385
Number of pages9
JournalThrombosis Research
Volume69
Issue number4
DOIs
Publication statusPublished - Feb 15 1993

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Acute Promyelocytic Leukemia
Antithrombin III
Thrombin
Heparin
Fibrinopeptide A
Drug Therapy

Keywords

  • acute promyelocytic leukemia
  • AT III complexes
  • AT-III concentrates
  • F fragment thrombin
  • fibrinopeptide A

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Hematology

Cite this

Supranormal antithrombin III levels induced by concentrate administration are ineffective in quenching thrombin generation in acute promyelocytic leukemia. / Rodeghiero, F.; Castaman, G.; Gugliotta, L.; Belmonte, M. Mattioli; Falanga, A.; Bottasso, B.; Barbui, T.; Mannucci, P. M.

In: Thrombosis Research, Vol. 69, No. 4, 15.02.1993, p. 377-385.

Research output: Contribution to journalArticle

Rodeghiero, F. ; Castaman, G. ; Gugliotta, L. ; Belmonte, M. Mattioli ; Falanga, A. ; Bottasso, B. ; Barbui, T. ; Mannucci, P. M. / Supranormal antithrombin III levels induced by concentrate administration are ineffective in quenching thrombin generation in acute promyelocytic leukemia. In: Thrombosis Research. 1993 ; Vol. 69, No. 4. pp. 377-385.
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