Using Warfarin in Pregnant Women with Antiphospholipid Syndrome After the First Trimester

Use of Warfarin After the First Trimester in Pregnant Women With Antiphospholipid Syndrome

Phase 4 Interventional Mansoura University · NCT02303171

This study tests if switching from a common blood thinner to Warfarin after the first trimester can help pregnant women with antiphospholipid syndrome have better pregnancy outcomes.

Quick facts

PhasePhase 4
Study typeInterventional
Enrollment100 (estimated)
Ages20 Years to 38 Years
SexFemale
SponsorMansoura University Academic / other
Locations2 sites (Mansourah, Dakahlia and 1 other locations)
Trial IDNCT02303171 on ClinicalTrials.gov

What this trial studies

This study evaluates the effectiveness of switching from low molecular weight heparin (LMWH) to the oral anticoagulant Warfarin after the first trimester in pregnant women diagnosed with antiphospholipid syndrome (APS). Participants will be randomly assigned to receive either LMWH throughout their pregnancy or LMWH in the first trimester followed by Warfarin until delivery. The aim is to determine if this approach can improve pregnancy outcomes for women with APS who are at risk of recurrent miscarriage.

Who should consider this trial

Good fit: Ideal candidates for this study are pregnant women diagnosed with antiphospholipid syndrome who meet specific weight criteria.

Not a fit: Patients with systemic lupus erythematosus or those with a history of thromboembolic disorders may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide a safer and more effective anticoagulation strategy for pregnant women with APS, potentially reducing the risk of miscarriage.

How similar studies have performed: While this approach is innovative, similar studies have not been widely reported, indicating that this may be a novel investigation in this specific context.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Pregnant women with APS diagnosed according to the revised classification criteria for APS in 2006 in Sydney, Australia
* Early pregnancy body weight is 50-90 Kg

Exclusion Criteria:

* Women with systemic lupus erythematosus (SLE)
* Women with active thromboembolic disorders
* Women with history of previous thromboembolic disorders

Where this trial is running

Mansourah, Dakahlia and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Recurrent MiscarriageAntiphospholipid SyndromeAntiphospholipid syndromeAPSWarfarin
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.