Acetazolamide (Epilepsy)

Exposed non-exposed studies (cohort)

Study Country
Study period
Population source Exposure definition Non-exposure definition Sample size Rmk
Battino, 2024 Worldwide (47 countries)
1999 - 2022
Pregnant women with epilepsy exposed to antiseizure medications at the time of conception and enrolled within the 16th week of gestation, where fetal outcome had not yet been determined. Pregnant women with epilepsy exposed to Acetazolamide monotherapy at the time of conception. exposed to other treatment, sick
Pregnant women with epilepsy exposed to lamotrigine monotherapy at the time of conception.
2 / 3584 Overlapping/Update: Malfo as a whole: Battino 2024 (1999-2022) updates and totally includes Tomson 2018 (1999-2016), Tomson 2011 and Jimenez 2020 (1 center in Spain 2000-2018) => Use of Battino 2024 for the 8 (plus 16 in eSupp) monotherapies studied.
Christensen (Acetazolamide) (Epilepsy) (Controls exposed to LTG), 2024 Denmark, Finland, Iceland, Norway, and Sweden
1996 - 2017
All live-born singletons born of women with epilepsy in the included countries during the study periods. Children of mothers with epilepsy who had redeemed at least one prescription of Acetazolamide monotherapy from 30 days before the first day of the last menstrual period to the date of birth (i.e., the exposure period). exposed to other treatment, sick
Children of mothers who had redeemed at least one prescription of Lamotrigine monotherapy from 30 days before the first day of the last menstrual period to the date of birth (i.e., the exposure period).
9 / 5299 Denmark (1997–2017), Finland (1996–2016), Iceland (2004–2017), Norway (2005–2017), and Sweden (2006–2017).
Christensen (Acetazolamide) (Epilepsy) (Controls unexposed, general population), 2024 Denmark, Finland, Iceland, Norway, and Sweden
1996 - 2017
All live-born singletons born of women with epilepsy in the included countries during the study periods. Children of mothers with epilepsy who had redeemed at least one prescription of Acetazolamide monotherapy from 30 days before the first day of the last menstrual period to the date of birth (i.e., the exposure period). unexposed, sick
Children of mothers with epilepsy who had not redeemed prescription of anti-seizure medication.
9 / 22227 For the 3 outcomes: Not analyzed due to low numbers. Denmark (1997–2017), Finland (1996–2016), Iceland (2004–2017), Norway (2005–2017), and Sweden (2006–2017).
Samrén (Acetazolamide), 1999 Netherlands
1972 - 1994
Offspring of women with epilepsy, with or without antiepileptic drug use during pregnancy, born during the study period. Children born to mothers with epilepsy and using acetazolamide monotherapy at least during the first trimester of pregnancy unexposed, disease free
Children born to nonepileptic nonexposed women.
1 / 2000
Vajda (Acetazolamide) (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 acetazolamide 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%. Study design partly completed with Vajda 2013.
Vajda (Acetazolamide) (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 acetazolamide 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%. Study design partly completed with Vajda 2013.

Case-control studies (cohort)

Study Country
Study period
Case Control Sample size Rmk

master protocol