Study | Country Study period |
Population source | Exposure definition | Non-exposure definition | Sample size | Rmk |
---|---|---|---|---|---|---|
Källén (Vigabatrin) (Controls exposed to Lamotrigine, sick) (Indications NOS), 2013 |
Swedish 1996 - 2011 |
Nearly all births in Sweden during the study period (1,575,847) are registered in The Swedish Medical Birth Register. | Infants whose mothers used vigabatrin in monotherapy in early pregnancy. (This is a subgroup of exposure among the whole exposed group considered in the study). |
exposed to other treatment, sick
Infants whose mothers used lamotrigine in monotherapy in early pregnancy. |
8 / 1084 | Indications for antiepileptic drugs are not specified. Wide 2004 outcomes' are already included in Källèn et al 2013 or are not compared to an adequate control group. Follow-up period known thanks to author's email reply. |
Källén (Vigabatrin) (Controls unexposed, NOS) (Indications NOS), 2013 |
Swedish 1996 - 2011 |
Nearly all births in Sweden during the study period (1,575,847) are registered in The Swedish Medical Birth Register. | Infants whose mothers used vigabatrin in monotherapy in early pregnancy. (This is a subgroup of exposure among the whole exposed group considered in the study). |
unexposed (general population or NOS)
Infants in population whose mothers used at least one of a central nervous system active drugs (less than 3%) or weren't exposed in early pregnancy. |
8 / 1575847 | Indications for antiepileptic drugs are not specified. Follow-up period known thanks to author's email reply. |
Kilic (Vigabatrin) (Controls exposed to Lamotrigine, sick) (Mixed indications), 2014 |
Denmark 1997 - 2008 |
All singleton live-born children in Denmark during the study period. | Children whose mothers have been exposed to vigabatrin in monotherapy during the exposure window defined from 30 days before the estimated day of conception to the day prior to birth. (This is a subgroup of exposure among the whole exposed group considered in the study). |
exposed to other treatment, sick
Children whose mothers have been exposed to lamotrigine in monotherapy during the exposure window defined from 30 days before the estimated day of conception to the day prior to birth. |
13 / 880 | Less than 90% of women are epileptic. |
Kilic (Vigabatrin) (Controls unexposed NOS) (Mixed indications), 2014 |
Denmark 1997 - 2008 |
All singleton live-born children in Denmark during the study period. | Children whose mothers have been exposed to vigabatrin in monotherapy during the exposure window defined from 30 days before the estimated day of conception to the day prior to birth. (This is a subgroup of exposure among the whole exposed group considered in the study). |
unexposed (general population or NOS)
Children whose mothers haven't been exposed to antiepileptic drugs 30 days before the estimated day of conception to the day of birth. |
13 / 676834 | Less than 90% of women are epileptic. |
Kilic (Vigabatrin) (Controls unexposed, sick) (Mixed indications), 2014 |
Denmark 1997 - 2008 |
All singleton live-born children in Denmark during the study period. | Children whose mothers have been exposed to vigabatrin in monotherapy during the exposure window defined from 30 days before the estimated day of conception to the day prior to birth. (This is a subgroup of exposure among the whole exposed group considered in the study). |
unexposed, sick
Children whose mothers have an epilepsy diagnosis and haven't been exposed to antiepileptic drugs 30 days before the estimated day of conception to the day of birth. |
13 / 5296 | Less than 90% of women are epileptic. |
Mawer (Vigabatrin) (Controls exposed to Lamotrigine, sick), 2010 |
UK 2000 - 2006 |
Midwives in the antenatal clinics approached each woman, who gave a history of epilepsy (n=231), whatever her stage of gestation. | Children born to mothers with epilepsy exposed to vigabatrin monotherapy in utero. (This is a subgroup of exposure among the whole exposed group considered in the study). |
exposed to other treatment, sick
Children born to mothers with epilepsy exposed to lamotrigine monotherapy in utero. |
1 / 40 | Period of exposure confirm by author's email. |
Mawer (Vigabatrin) (Controls unexposed, disease free), 2010 |
UK 2000 - 2006 |
Women with epilepsy (WWE) and the healthy woman controls attending the same clinic. | Children born to mothers with epilepsy exposed to vigabatrin monotherapy in utero. (This is a subgroup of exposure among the whole exposed group considered in the study). |
unexposed, disease free
Children born to mothers without epilepsy who attended the same clinic on the same day or a few days later. |
1 / 315 | Period of exposure confirm by author's email. |
Mawer (Vigabatrin) (Controls unexposed, sick), 2010 |
UK 2000 - 2006 |
Midwives in the antenatal clinics approached each woman, who gave a history of epilepsy (n=231), whatever her stage of gestation. | Children born to mothers with epilepsy exposed to vigabatrin monotherapy in utero. (This is a subgroup of exposure among the whole exposed group considered in the study). |
unexposed, sick
Children born to women with untreated epilepsy, who took no antiepileptic drugs before or during pregnancy. |
1 / 46 | Period of exposure confirm by author's email. |
Morrow (Vigabatrin) (Controls exposed to Lamotrigine, sick), 2006 |
UK and Ireland 1996 - 2005 |
Pregnant women with epilepsy, whether or not they were taking an AED, either in monotherapy or polytherapy, and who were referred to the register before the outcome of the pregnancy was known. | Infants of women with epilepsy exposed to vigabatrin in monotherapy during the first trimester. (This is a subgroup of exposure among the whole exposed group considered in the study). |
exposed to other treatment, sick
Infants of women with epilepsy exposed to lamotrigine in monotherapy during the first trimester. |
6 / 647 | Exposure period is completed thanks to Campbell 2014 which is also a UKEPR based study. |
Morrow (Vigabatrin) (Controls unexposed, sick), 2006 |
UK and Ireland 1996 - 2005 |
Pregnant women with epilepsy, whether or not they were taking an antiepileptic drug, either in monotherapy or polytherapy, and who were referred to the register before the outcome of the pregnancy was known. | Infants of women with epilepsy exposed to vigabatrin in monotherapy during the first trimester. (This is a subgroup of exposure among the whole exposed group considered in the study). |
unexposed, sick
Infants of women with epilepsy and who didn't take any antiepileptic drugs during pregnancy. |
6 / 227 | Exposure period is completed thanks to Campbell 2014 which is also a UKEPR based study. |
Tomson (Vigabatrin), 2018 |
42 countries 1999 - 2016 |
Pregnancies registered in the database during the study period who had been exposed to antiepileptic drug monotherapy and had complete follow-up data up to 1 year. They were enrolled within gestation week 16 and before fetal outcome is known. | Offspring exposed in utero to vigabatrin monotherapy during the first trimester and born from epileptic mothers. (This is a subgroup of exposure among the whole exposed group considered in the study). |
exposed to other treatment, sick
Offspring exposed in utero to lamotrigine monotherapy during the first trimester and born from epileptic mothers. |
4 / 2514 | This study is an update of Tomson's 2011 publication. They excluded from the current analysis pregnancies occurring in women without epilepsy. EURAP registry: potential overlap. |
Vajda (Vigabatrin) (Controls exposed to Lamotrigine, sick), 2019 |
Australia 1999 - 2018 |
Pregnant women taking antiepileptic drugs for any indications or not treated with antiepileptic drugs in at least the first half of pregnancy. | Offsprings born from women nearly always with epilepsy exposed to vigabatrin in monotherapy in at least the first trimester of pregnancy. (This is a subgroup of exposure among the whole exposed group considered in the study). |
exposed to other treatment, sick
Offsprings born from women nearly always with epilepsy exposed to lamotrigine in monotherapy in at least the first trimester of pregnancy. |
1 / 406 | Women with epilepsy accounted for 98.3%. Completely overlap Vajda 2013 and 2014. Study design partly completed with Vajda 2013. |
Vajda (Vigabatrin) (Controls unexposed, sick), 2019 |
Australia 1999 - 2018 |
Pregnant women taking antiepileptic drugs for any indications or not treated with antiepileptic drugs in at least the first half of pregnancy. | Offsprings born from women nearly always with epilepsy exposed to vigabatrin in monotherapy in at least the first trimester of pregnancy. (This is a subgroup of exposure among the whole exposed group considered in the study). |
unexposed, sick
Offsprings born from women nearly always with epilepsy not treated with antiepileptic drugs in at least the first half of pregnancy. |
1 / 176 | Women with epilepsy accounted for 98.3%. Completely overlap Vajda 2013 and 2014. Study design partly completed with Vajda 2013. |
Study | Country Study period |
Case | Control | Sample size | Rmk |
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