Study | Country Study period |
Population source | Exposure definition | Non-exposure definition | Sample size | Rmk |
---|---|---|---|---|---|---|
Ephross (Control exposed to Naratriptan), 2014 |
Worlwide 1996 - 2012 |
Women were eligible for enrollment by their health care provider if they were pregnant, exposed to sumatriptan, naratriptan, or the sumatriptan/naproxen sodium combination product at any time during pregnancy (beginning from the first day of the last menstrual period) | Pregnant women exposed to sumatriptan at any time during pregnancy (beginning from the first day of the last menstrual period). |
exposed to other treatment, sick
Pregnant women exposed to naratriptan at any time during pregnancy (beginning from the first day of the last menstrual period). |
626 / 57 | PV registry of GlaxoSmithKline. Exposure to sumatriptan and naratriptan provided and considered as separate subgroups. |
Kallen, 2001 |
Sweden 1995 - 1999 |
Almost all births (approximately 1% are missing). | Women who had reported the use of Sumatriptan in early pregnancy. (This is a subgroup of exposure among the whole exposed group considered in the study). |
unexposed (general population or NOS)
All deliveries in Sweden as registered in the Medical Birth Registry. |
658 / -9 | Exposed group of the whole study: use of drugs for migraine. |
Källén (Controls exposed to ergots), 2011 |
Sweden 1995 - 2008 |
All deliveries in Sweden (1 211 670 women) recorded in the Medical Birth Register with data from antenatal care. | Infants born to women who had used Sumatriptan during pregnancy. (This is a subgroup of exposure among the whole exposed group considered in the study). |
exposed to other treatment, sick
Infants born to women who had used Ergots drugs for migraine during pregnancy. (This is a subgroup of exposure among the whole exposed group considered in the study). |
2257 / 527 | Exposed groups of the whole study: drugs for migraine (ergots or triptans). |
Källén (Controls unexposed, disease free), 2011 |
Sweden 1995 - 2008 |
All deliveries in Sweden (1 211 670 women) recorded in the Medical Birth Register with data from antenatal care. | Infants born to women who had used Sumatriptan during pregnancy. (This is a subgroup of exposure among the whole exposed group considered in the study). |
unexposed, disease free
Infants born to women who did not use drugs for migraine. |
2257 / 1229901 | Exposed groups of the whole study: drugs for migraine (ergots or triptans). 1229901= Total number of infants (n=1233228) - Number of infants whose mother used drugs for migraine in 1st trimester (n=3327) |
Nezvalová-Henriksen (Control unexposed, disease free), 2013 |
Norway 2004 - 2007 |
All singleton deliveries (after the 12th gestational week) without chromosomal abnormalities during the study period. | Sumatriptan prescription redemption during pregnancy ('anytime' or 'during the first trimester' or 'during the second trimester' or 'during the third trimester'). (This is a subgroup of exposure among the whole exposed group considered in the study). |
unexposed, disease free
Pregnant women did not redeem triptans during the study period (the population comparison group). |
575 / 178565 | Other triptans also studied. |
Nezvalová-Henriksen (Control unexposed, sick), 2013 |
Norway 2004 - 2007 |
All singleton deliveries (after the 12th gestational week) without chromosomal abnormalities during the study period. | Sumatriptan prescription redemption during pregnancy ('anytime' or 'during the first trimester' or 'during the second trimester' or 'during the third trimester'). (This is a subgroup of exposure among the whole exposed group considered in the study). |
unexposed, sick
Triptan prescription redemption between 7 and 1 month prior to pregnancy only. |
575 / 1095 | Other triptans also studied. |
O'Quinn, 1999 |
USA Not specified |
Patients could be male or female, could have migraine with or without aura, and were at least 18 years of age. Ergotamine-containing drugs could not be prescribed for 24 h before or after use of sumatriptan. | Pregnant women exposed to sumatriptan after conception. |
unexposed, sick
Pregnant women exposed to sumatriptan only prior to conception. |
76 / 92 | Open-label, prospective study conducted by Glaxo Wellcome Research Institute. |
Olesen (Control unexposed, disease free), 2000 |
Denmark 1991 - 1996 |
Women who filled prescriptions during pregnancy in North Jutland County (approximately 10% of the total Danish population). | Women who filled at least one prescription for sumatriptan during pregnancy. |
unexposed, disease free
Healthy women, who in this context are defined as women who did not redeem any prescriptions during pregnancy, |
34 / 15995 | |
Olesen (Control unexposed, sick), 2000 |
Denmark 1991 - 1996 |
Women who filled prescriptions during pregnancy in North Jutland County (approximately 10% of the total Danish population). | Women who filled at least one prescription for sumatriptan during pregnancy. |
unexposed, sick
Migraine controls, who were women who redeemed at least one prescription for sumatriptan or ergotamine 52 to 12 weeks prior to conception, but not during pregnancy. |
34 / 89 | (Table 2: Control group: Migraine patients who did not redeem prescriptions for antimigraine drugs 3 months prior to or during pregnancy.) |
Shuhaiber (Control exposed to other treatments), 1998 |
Canada, USA |
Pregnant women who voluntarily contacted a teratogen information service (TIS) | Pregnant women who used sumatriptan during pregnancy. |
exposed to other treatment, sick
Disease-matched controls (pregnant women contacting Motherisk who had migraine headache and used other drugs such as acetaminophen, nonsteroidal anti-inflammatory drugs, and narcotic analgesics). |
96 / 96 | A total of 96 women who were exposed to sumatriptan during pregnancy were followed up prospectively by the four participating centers: 91 in Toronto, 3 in Philadelphia, 1 in London, and 1 in Farmington. Mosterrik => main center. |
Shuhaiber (Control unexposed, disease free), 1998 |
Canada, USA |
Pregnant women who voluntarily contacted a teratogen information service (TIS) | Pregnant women who used sumatriptan during pregnancy. |
unexposed, disease free
Nonteratogen controls (pregnant women who contacted Motherisk requesting counseling about medications known to be safe in the human fetus). |
96 / 96 | A total of 96 women who were exposed to sumatriptan during pregnancy were followed up prospectively by the four participating centers: 91 in Toronto, 3 in Philadelphia, 1 in London, and 1 in Farmington. Mosterrik => main center. |
Spielmann (Control mainly exposed other treatments, sick), 2017 |
Germany 1999 - 2014 |
Cohort of pregnant women enrolled by the German Embryotox system for risk assessment related to pregnancy. | Pregnant women with Sumatriptan use for migraine disorder any time from conception to delivery. (This is a subgroup of exposure among the whole exposed group considered in the study). |
exposed to other treatment, sick
Pregnant women suffering from migraine disorder but not taking triptans between their last menstrual period and delivery. |
253 / 475 | The majority of exposed women took triptans in the first trimester (75.2%). Sumatriptan was the most frequently used triptan. Other triptans also studied. |
Spielmann (Control unexposed, disease free), 2017 |
Germany 1999 - 2014 |
Cohort of pregnant women enrolled by the German Embryotox system for risk assessment related to pregnancy. | Pregnant women with Sumatriptan use for migraine disorder any time from conception to delivery. (This is a subgroup of exposure among the whole exposed group considered in the study). |
unexposed, disease free
Pregnant women without migraine disorder who were neither exposed to triptans nor to one of the following established teratogens or fetotoxicant. |
253 / 1733 | The majority of exposed women took triptans in the first trimester (75.2%). Sumatriptan was the most frequently used triptan. Other triptans also studied. |
Yusuf (Control exposed to Naratriptan), 2018 |
The United States 1996 - 2012 |
Women with a diagnosis of migraine (International Classification of Diseases, Ninth Revision, diagnosis codes 346.xx) or prescription claims for migraine‐specific acute medications (triptans or ergotamine‐derivatives). | Pregnant women with migraine exposed to Sumatriptan during pregnancy using an insurance administrative claims database. |
exposed to other treatment, sick
Pregnant women with migraine exposed to Naratriptan during pregnancy using an insurance administrative claims database. |
4519 / 230 | This study was funded by Amgen and was conceived and conducted by Amgen employees. |
Study | Country Study period |
Case | Control | Sample size | Rmk |
---|---|---|---|---|---|
De Jonge, 2013 |
The Netherlands 1998 - 2008 |
All malformed foetuses and children (live births, stillbirths, spontaneous abortions and terminations of pregnancy) excluding chromosomal and genetic disorders. | From the IADB, a population-based prescription database that contains prescription data from approximately 55 community pharmacies in The Netherlands, we selected the population controls. The IADB covers an estimated population of 500,000 individuals, which is considered representative of the general population. | 3212 / 29223 | 'All types of births are included in the registry: live births, stillbirths, spontaneous abortions and terminations of pregnancy.' Other drugs studied: 'Drugs acting on nervous system and Drugs considered to be safe'. |