Gemfibrozil Reduces Thrombin Generation in Patients with Combined Hyperlipidaemia, without Influencing Plasma Fibrinogen, Fibrin Gel Structure or Coagulation Factor VII

Anders Bröijersén; Anders Hamsten; Angela Silveira; Kamaran Fatah; Alison H Goodall; Sabina Eriksson; Bo Angelin; Paul Hjemdahl

doi:10.1055/s-0038-1650548

Thrombosis and Haemostasis, Table of Contents

Thromb Haemost 1996; 76(02): 171-176
DOI: 10.1055/s-0038-1650548

Original Article

Schattauer GmbH Stuttgart

Gemfibrozil Reduces Thrombin Generation in Patients with Combined Hyperlipidaemia, without Influencing Plasma Fibrinogen, Fibrin Gel Structure or Coagulation Factor VII

Anders Bröijersén

¹The Department of Clinical Pharmacology, Stockholm, Sweden

,

Anders Hamsten

³The Atherosclerosis Research Unit, King Gustaf V Research Institute, Department of Medicine, Karolinska Hospital, Stockholm, Sweden

,

Angela Silveira

³The Atherosclerosis Research Unit, King Gustaf V Research Institute, Department of Medicine, Karolinska Hospital, Stockholm, Sweden

,

Kamaran Fatah

²Clinical Chemistry and Blood Coagulation, Department of Laboratory Medicine, Stockholm, Sweden

,

Alison H Goodall

⁵The Vascular Cell Biology Laboratory, Department of Chemical Pathology, Royal Free Hospital School of Medicine, London, UK

,

Sabina Eriksson

⁴The Metabolism Unit, Department of Medicine, Huddinge University Hospital, Karolinska Institute, Stockholm, Sweden

,

Bo Angelin

⁴The Metabolism Unit, Department of Medicine, Huddinge University Hospital, Karolinska Institute, Stockholm, Sweden

,

Paul Hjemdahl

¹The Department of Clinical Pharmacology, Stockholm, Sweden

› Author Affiliations

Abstract

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Summary

A double-blind, placebo-controlled, cross-over study was conducted in 21 men with combined hyperlipoproteinaemia to examine if lipid-lowering treatment with gemfibrozil (10-12 weeks) affects blood coagulation and fibrin gel structure at rest or during mental stress. Gemfibrozil lowered plasma triglycerides by 57 ± 4%, whereas high density lipoprotein (HDL) cholesterol increased by 22 ± 5%. Gemfibrozil lowered the triglyceride content of low density lipoprotein (LDL). Gemfibrozil reduced the plasma concentrations of thrombin-antithrombin complex (TAT) and prothrombin fragment F₁₊₂ (F₁₊₂), both at rest and during mental stress. However, there were no effects of gemfibrozil treatment on the plasma concentrations of fibrinogen, factor VII antigen, activated factor VII (Vila) or activated factor XII (XIIa), or on fibrin gel structure. Acute mental stress per se did not influence coagulation factors, reaction products or fibrin gel structure, or their responses to the study drug. Thus, gemfibrozil reduces thrombin generation in men with combined hyperlipoproteinaemia, without influencing the plasma levels of fibrinogen, Vila and XIIa, or fibrin gel structure. Attenuation of thrombin generation may contribute to the primary-preventive effects of gemfibrozil on coronary heart disease.

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References

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