Study | Country Study period |
Population source | Exposure definition | Non-exposure definition | Sample size | Rmk |
---|---|---|---|---|---|---|
Huybrechts (Controls unexposed, NOS), 2023 |
Denmark, Finland, Iceland, Norway, Sweden and USA. 1996 - 2018 |
All pregnancies resulting in singleton live-born infants (for Nordic cohorts) and publicly insured mothers linked to their live-born infants (for USA). | Pregnancies with 1 or more prescriptions of Ziprasidone during the first trimester, the period for organogenesis. |
unexposed (general population or NOS)
Pregnancies who did not fill any antipsychotic prescriptions during the 3 months prior to pregnancy until the end of the first trimester. |
-9 / 6455324 | Overlapping: Data of Huybrechts 2016 totally included in this larger study. Number of Ziprasidone exposures suppressed due to country-/data-specific small cell suppression policies. |
Huybrechts (Controls unexposed, sick), 2023 |
Denmark, Finland, Iceland, Norway, Sweden and USA. 1996 - 2018 |
All pregnancies resulting in singleton live-born infants (for Nordic cohorts) and publicly insured mothers linked to their live-born infants (for USA). | Pregnancies with 1 or more prescriptions of Ziprasidone during the first trimester, the period for organogenesis. |
unexposed, sick
Pregnancies in women with mental health condition, who did not fill any antipsychotic prescriptions during the 3 months prior to pregnancy until the end of the first trimester. |
-9 / 318731 | Overlapping: Data of Huybrechts 2016 totally included in this larger study. Number of Ziprasidone exposures suppressed due to country-/data-specific small cell suppression policies. |
Park, 2018 |
USA 2000 - 2010 |
Women who during the 3 months before their last menstrual period filled a prescription for one of the five most frequently used atypical antipsychotics: aripiprazole, olanzapine, quetiapine, risperidone, or ziprasidone. | Pregnant women who had two or more prescriptions dispensed during the first 140 days of their pregnancy for Ziprasidone (also received before pregnancy). Exclusion if more than 1 studied antipsychotic. (This is a subgroup of exposure among the whole exposed group considered in the study). |
unexposed, sick
Pregnant women who had no prescriptions dispensed for an anti- psychotic medication during the first 140 days of pregnancy were classified as “discontinuers.” |
140 / 431 | Primary analyses performed individually for each substance (aripiprazole, olanzapine, quetiapine, risperidone, or ziprasidone). |
Sorensen, 2015 |
Denmark 1997 - 2008 |
Pregnancies registered in the nationwide Danish registries from 1997 to 2008 (N = 1,005,319) | Any prescription of Ziprasidone redeemed by the pregnant women during the exposure window, and recorded in the Danish National Prescription Register. (This is a subgroup of exposure among the whole exposed group considered in the study). |
unexposed (general population or NOS)
Unexposed women were defined as pregnant women who did not redeem any prescription of antipsychotic medications during the exposure window. |
41 / 841183 | Primary analyses performed on antipsychotics versus unexposed. Authors also analysed each antipsychotic (typical and atypical) substance separately. |
Study | Country Study period |
Case | Control | Sample size | Rmk |
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1 study, not fulfilled eligibility criteria, were excluded. See excluded tab for the list of these studies and reason of exclusion.