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Collections under which this article appears: Family Planning Drugs: obstetrics and gynaecology Venous Thromboembolism Adverse drug reactions

BMJ 2003;326:257 ( 1 February )

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Drug points
 

Thromboembolism associated with the new contraceptive Yasmin

Kees van Grootheest, Tom Vrieling. 

Netherlands Pharmacovigilance Centre Lareb, Goudsbloemvallei 7, 5237 MH 's-Hertogenbosch, Netherlands

Correspondence to: K van Grootheest ac.vangrootheest@lareb.nl

Our centre, the Dutch spontaneous reporting system for adverse drug reactions, recently received five reports of thromboembolism as a suspected adverse drug reaction to the new oral contraceptive Yasmin (ethinylestradiol and drospirenone).

A 17 year old woman suddenly collapsed and died after taking the contraceptive for six months. Autopsy showed that she had had a massive pulmonary embolism. No obvious risk factors for thromboembolism, such as smoking, a period of long immobilisation, air flights, or concomitant medication, were evident.¹ Because she died suddenly no blood sample was taken. Blood taken from her parents did not test positive for any of the known risk factors: concentrations of protein C and antithrombin III were normal. The activated partial thromboplastin time and partial thromboplastin time were normal, and the existence of factor V Leiden mutation was excluded.

A 28 year old woman changed her oral contraceptive from ethinylestradiol with desogestrel (Marvelon) to ethinylestradiol with drospirenone. Four months later she had thrombosis in one leg and was treated with acenocoumarol. Risk factors or concomitant drugs were unknown.

Another patient, a 45 year old woman, had deep vein thrombosis in one leg after taking ethinylestradiol with drospirenone for two months, as did a 50 year old woman who took the contraceptive for three months. A 35 year old woman had pulmonary thrombosis 17 days after she started taking the contraceptive. She had given birth four months earlier.

Ethinylestradiol with drospirenone has been approved as an oral contraceptive in all European Union countries since 2000 and has recently been launched in the United Kingdom.² The public assessment report of the contraceptive gives only one suspected case of pulmonary embolism but also says that the number of cases in the preregistration studies are too low for a reliable conclusion on this matter.³

The risk of thromboembolism for women using the third generation (combined) pill has long been debated. Physicians therefore may prefer a new type of combined pill, like ethinylestradiol with drospirenone, assuming that these are safer. However, an association of these drugs with a lower risk of thromboembolism has not been proved by research, and our cases show that newer contraceptive pills may have a risk of thromboembolism. At present, insufficient data on the superiority of ethinylestradiol with drospirenone are available.

Footnotes

Funding: None.

Competing interests: None declared.

References
 

© 2003 BMJ Publishing Group Ltd

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PDF of this article Email this article to a friend Respond to this article Read responses to this article PubMed citation Related articles in PubMed Download to Citation Manager Search Medline for articles by: van Grootheest, K. || Vrieling, T. Alert me when: New articles cite this article

Collections under which this article appears: Family Planning Drugs: obstetrics and gynaecology Venous Thromboembolism Adverse drug reactions

© 2003 BMJ Publishing Group Ltd

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