Oral contraceptives and venous thrombosis: different sensitivities to activated protein C in women using second‐and third‐generation oral contraceptives

J Rosing, G Tans, GAF Nicolaes… - British journal of …, 1997 - Wiley Online Library
Epidemiological studies have shown that women who use third‐generation oral
contraceptives (OC) containing desogestrel, gestodene or norgestimate have a higher risk of …

Activated protein C resistance determined with a thrombin generation‐based test predicts for venous thrombosis in men and women

G Tans, A van Hylckama Vlieg… - British journal of …, 2003 - Wiley Online Library
Activated protein C (APC) resistance, determined with a thrombin‐generation‐based APC
resistance test, may explain risk differences of venous thrombosis in users of second‐and …

Low-dose oral contraceptives and acquired resistance to activated protein C: a randomised cross-over study

J Rosing, S Middeldorp, J Curvers, MCL GDlig… - The Lancet, 1999 - thelancet.com
Background We have reported previously that, compared with use of second-generation oral
contraceptives, the use of third-generation oral contraceptives is associated with increased …

Acquired APC resistance and oral contraceptives: differences between two functional tests

J Curvers, MCLGD Thomassen… - British journal of …, 1999 - Wiley Online Library
Resistance to activated protein C (APC) is often associated with a mutation in factor V (factor
VLeiden). Individuals without factor VLeiden who exhibit a response in functional APC …

[HTML][HTML] Impact of progestagens on activated protein C (APC) resistance among users of oral contraceptives

M Alhenc‐Gelas, G Plu‐Bureau, S Guillonneau… - Journal of thrombosis …, 2004 - Elsevier
Oral contraceptive (OC) use is associated with an increased risk of venous
thromboembolism. Previous data reported higher thrombotic risk in women using third …

Resistance to activated protein C in healthy women taking oral contraceptives

O Olivieri, S Friso, F Manzato, A Guella… - British Journal of …, 1995 - Wiley Online Library
Resistance to activated protein C (APC) is at present considered the most frequent
laboratory abnormality in patients with deep‐vein thrombosis. An increased risk for venous …

Hormone replacement therapy and acquired resistance to activated protein C: results of a randomized, double‐blind, placebo‐controlled trial

E Høibraaten, MC Mowinckel… - British journal of …, 2001 - Wiley Online Library
Recent studies suggest that low‐dose oral contraceptives may cause acquired resistance to
activated protein C (APC). The aims of this study were to determine whether hormone …

Effect of second- and third-generation oral contraceptives on the protein C system in the absence or presence of the factor VLeiden mutation: a randomized trial

JM Kemmeren, A Algra, JCM Meijers, G Tans… - Blood, 2004 - ashpublications.org
A plausible mechanism to explain thrombotic risk differences associated with the use of
second-and third-generation oral contraceptives (OCs), particularly in carriers of factor …

Increased risk of venous thrombosis in oral-contraceptive users who are carriers of factor V Leiden mutation

JP Vandenbroucke, T Koster, FR Rosendaal, E Briët… - The Lancet, 1994 - Elsevier
We investigated whether the occurrence of venous thrombosis in young women who use
oral contraceptives might be explained by the factor V Leiden mutation, which leads to …

Third-generation oral contraceptive and deep venous thrombosis: from epidemiologic controversy to new insight in coagulation

JP Vandenbroucke, FM Helmerhorst… - American journal of …, 1997 - Elsevier
Four epidemiologic studies showed a twofold increase in risk of deep venous thrombosis
with the use of oral contraceptives containing third-generation progestins, relative to second …