ALIFE2 study: Low-molecular-weight heparin for women with recurrent miscarriage and inherited thrombophilia - study protocol for a randomized controlled trial

Paulien G. de Jong*, Siobhan Quenby, Kitty W.M. Bloemenkamp, Babette A.M. Braams-Lisman, Peter J. de Bruin, Arri Coomarasamy, Michele David, Maria T. DeSancho, Olivier W.H. van der Heijden, Annemieke Hoek, Barbara A. Hutten, Kristin Jochmans, Carolien A.M. Koks, Walter K.H. Kuchenbecker, Willem B. Mol, Helen L. Torrance, Hubertina C.J. Scheepers, Mary D. Stephenson, Harold R. Verhoeve, Jantien VisserJohanna I.P. de Vries, Mariëtte Goddijn, Saskia Middeldorp

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)

Abstract

Background: A large number of studies have shown an association between inherited thrombophilia and recurrent miscarriage. It has been hypothesized that anticoagulant therapy might reduce the number of miscarriages and stillbirth in these women. In the absence of randomized controlled trials evaluating the efficacy of anticoagulant therapy in women with inherited thrombophilia and recurrent miscarriage, a randomized trial with adequate power that addresses this question is needed. The objective of the ALIFE2 study is therefore to evaluate the efficacy of low-molecular-weight heparin (LMWH) in women with inherited thrombophilia and recurrent miscarriage, with live birth as the primary outcome. Methods/Design: Randomized study of LMWH plus standard pregnancy surveillance versus standard pregnancy surveillance alone. Discussion: After an initial period of slow recruitment, the recruitment rate for the study has increased. Improved awareness of the study and acknowledgement of the need for evidence are thought to be contributing to the improved recruitment rates. We aim to increase the number of recruiting centers in order to increase enrollment into the ALIFE2 study. Trial registration: The ALIFE2 study was registered on 19 March 2012 under registration number NTR3361.

Original languageEnglish
Article number208
JournalTrials
Volume16
Issue number1
DOIs
Publication statusPublished - 7 May 2015

Keywords

  • Anticoagulants
  • Aspirin
  • Fetal death
  • Low-molecular-weight-heparin
  • Pregnancy complications
  • Recurrent miscarriage
  • Thrombophilia

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