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Therapie. 2002 Jul-Aug;57(4):397-401.

[New antiepileptic drugs in pregnancy: outcome of 12 exposed pregnancies].

[Article in French]

Author information

1
Centre Régional de Pharmacovigilance et d'Information sur le Médicament, Service de Pharmacologie, CHRU, Tours, France.

Abstract

There is currently little evidence available concerning the risks of foetal exposure to new anti-epileptic drugs such as lamotrigine, vigabatrin, gabapentine, topiramate. A small number of malformations without organ specificity have been described and are not easy to interpret because of the existence of concomitant treatments. We have reported a series of 12 pregnancies with exposure to recent anti-epilepticdrugs and that were reported to the Post-marketing Surveillance office in Tours, France. Five concerned Lamictal of which 2 related to monotherapy, one concerned Epitomax used in monotherapy and there were 6 cases of polytherapy including Sabril. Associated drug therapies were Depakine, Tegretol, Rivotril and Urbanyl. Six of the patients were on folic acid supplements. The average age of the women was 26.5 years. In each case, treatment had been initiated before conception and was continued for at least 3 months. Of the 12 babies born, only one presented with a malformation (aplasia of the muscle of the left lower lip and asymmetrical abduction of the hips) following exposure to Lamictal and Depakine. Four infants, two of whom were premature, showed signs of neonatal stress: transient respiratory distress and difficulty in taking feeding-bottles following exposure throughout the pregnancy to Epitomax; suction disorders, hypotonia and vomiting were observed after exposure to Sabril, Tegretol and Rivotril throughout the pregnancy; respiratory distress and apnoea--bradycardia were observed after exposure throughout the pregnancy to Lamictal and Urbanyl; respiratory distress and thrombocytopaenia were observed after exposure throughout the pregnancy to Lamictal". This small series confirms that the current data concerning the teratogenicity of new anti-epileptic drugs are as yet insufficient to exclude any teratogenic risk. Consequently, strict adherence to current recommendations relating to drug use during pregnancy is essential. The treatment of all patients wishing to become pregnant should be discussed.

PMID:
12422560
[Indexed for MEDLINE]

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