Study | Country Study period Study design |
Data source | Exposure definition | Non-exposure definition | Exposition period | Sample size (exposed/unexposed) Or (case / control) |
Remarks | Risk of bias |
---|---|---|---|---|---|---|---|---|
Celik 2018 |
Turkey 2015 - 2017 retrospective cohort |
The registry systems of two hospitals (Yuzuncu Yıl University and Erics state hospital), Van, Turkey | Pregnant patients treated with albendazole following diagnosis of hydatid disease (HD) (without surgery). |
unexposed, sick
Pregnant patients without treatment for hydatid disease (HD) (neither albendazole, nor surgery, nor percutaneous aspiration-irrigation and re-aspiration). |
1st trimester | 1 / 18 | ||
Data were obtained from the registry systems of two hospitals and from medical survey charts developed for pregnant women with hydatid disease (HD). | ||||||||
Choi 2017 |
South Korea Not specified prospective cohort |
The Korean Motherisk Program. | Pregnant women who were inadvertently exposed to albendazole in the first trimester of pregnancy (single dose of 200 or 400 mg). |
unexposed, disease free
Pregnant women who were not exposed to any medication. |
1st trimester | 124 / 382 | ||
Each participant was given a questionnaire regarding exposure to alcohol, cigarettes or any other medication at recruitment and at every visit until delivery, or until lost to follow-up. | ||||||||
Gyapong 2003 |
Ghana Not specified retrospective cohort |
An electronic database of all women in 16 communities, Ahanta West District, Ghana. | Inadvertent exposure to albendazole and ivermectin drugs in early pregnancy. |
unexposed, sick
No exposure to albendazole and ivermectin drugs in early pregnancy. |
early pregnancy | 50 / 293 | ||
All women were visited and interviewed to find out if they had received the drugs. During the interviews, the women were also asked if they had been pregnant during the time of drug distribution, and/or if they had had a child since. | ||||||||
Mpairwe (Controls exposed to Praziquantel) 2011 |
Uganda 2003 - 2005 randomized controlled trial |
A randomised, double-blind, placebo-controlled trial at Entebbe Hospital. | Pregnant women receiving a single dose of oral albendazole (400 mg) and placebo. |
exposed to other treatment, sick
Pregnant women receiving a single dose of Praziquantel (40 mg/kg) and placebo. |
2nd and/or 3rd trimester | 625 / 628 | (Ndibazza 2010 ; Webb 2011 and Mpairwe 2011 => same placebo-controlled, with different outcomes, except for Stillbirths (overlapping) for which the data provided by Ndibazza 2010 was reported (rather than Mpairwe 2011) because these data were adjusted. | |
Pregnant women were allocated to one of the four treatment arms according to a random sequence. Participants and staff were blinded to treatment allocation. | ||||||||
Mpairwe (Controls unexposed, sick) 2011 |
Uganda 2003 - 2005 randomized controlled trial |
A randomised, double-blind, placebo-controlled trial at Entebbe Hospital. | Pregnant women receiving a single dose of oral albendazole (400 mg) and placebo. |
unexposed, sick
Pregnant women receiving placebo and placebo. |
2nd and/or 3rd trimester | 625 / 628 | (Ndibazza 2010 ; Webb 2011 and Mpairwe 2011 => same placebo-controlled, with different outcomes, except for Stillbirths (overlapping) for which the data provided by Ndibazza 2010 was reported (rather than Mpairwe 2011) because these data were adjusted. | |
Pregnant women were allocated to one of the four treatment arms according to a random sequence. Participants and staff were blinded to treatment allocation. | ||||||||
Ndibazza (Controls exposed to praziquantel) 2010 |
Uganda 2003 - 2005 randomized controlled trial |
A large placebo-controlled trial conducted at the Entebbe Hospital. | Pregnant women receiving oral albendazole (400 mg) and placebo in their second or third trimester. |
exposed to other treatment, sick
Pregnant women receiving praziquantel and placebo in their second or third trimester. |
2nd and/or 3rd trimester | 625 / 626 | Study on the efficacy of azole in an obstetrical indication, including the intrauterine deaths and/or late pregnancy and/or neonatal outcomes that are studied as efficacy criteria rather than safety one. => Not reported here. | |
Participants were randomized and double-blind assigned to receive albendazole. | ||||||||
Ndibazza (Controls unexposed, sick) 2010 |
Uganda 2003 - 2005 randomized controlled trial |
A large placebo-controlled trial conducted at the Entebbe Hospital. | Pregnant women receiving oral albendazole (400 mg) and placebo in their second or third trimester. |
unexposed, sick
Pregnant women receiving placebo and placebo in their second or third trimester. |
2nd and/or 3rd trimester | 625 / 628 | Study on the efficacy of azole in an obstetrical indication, including the intrauterine deaths and/or late pregnancy and/or neonatal outcomes that are studied as efficacy criteria rather than safety one. => Not reported here. | |
Participants were randomized and double-blind assigned to receive albendazole. | ||||||||
Ndyomugyenyi (Controls exposed to ivermectin) 2008 |
Uganda 2003 - 2005 randomized controlled trial |
A randomized, open label, controlled trial in Masindi district in western Uganda. | Women infected with any intestinal helminth receiving albendazole administered as a single dose of 400 mg. |
exposed to other treatment, sick
Women infected with any intestinal helminth receiving ivermectin administered according to height. |
2nd trimester | 160 / 170 | Ndibazza 2010 and Ndyomugyenyi 2008: 2 clinical trials not conducted in the same districts: Entebbe municipality and Masindi district=> different data. | |
Women were randomly assigned to receive albendazole administered as a single dose of 400 mg or ivermectin or a combination of both. The drugs were taken under direct supervision. | ||||||||
Ndyomugyenyi (Controls unexposed, disease free) 2008 |
Uganda 2003 - 2005 randomized controlled trial |
A randomized, open label, controlled trial in Masindi district in western Uganda. | Women infected with any intestinal helminth receiving albendazole administered as a single dose of 400 mg. |
unexposed, disease free
Pregnant women without soil-transmitted helminths (STHs). |
2nd trimester | 160 / 207 | Ndibazza 2010 and Ndyomugyenyi 2008: 2 clinical trials not conducted in the same districts: Entebbe municipality and Masindi district=> different data. | |
Women were randomly assigned to receive albendazole administered as a single dose of 400 mg or ivermectin or a combination of both. The drugs were taken under direct supervision. |
Study | Country Study period Study design |
Data source | Case | Control | Exposition | Exposition period | Sample size (exposed/unexposed) Or (case / control) |
Remarks | Risk of bias |
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Risk of bias: : NA; : low; : moderate; : serious; : critical; : unclear;