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Pregnancy outcome after first trimester exposure to domperidone-An observational cohort study.


ABSTRACT:

Aim

To assess the teratogenic risk of domperidone by comparing the incidence of major malformation with domperidone to a control.

Methods

Pregnancy outcome data were obtained for women at two Japanese facilities that provide counseling on drug use during pregnancy between April 1988 and December 2017. The incidence of major malformation was calculated among infants born to women taking domperidone (n = 519), nonteratogenic drugs (control, n = 1673), or metoclopramide (reference, n = 241) during the first trimester of pregnancy. Using the control group as reference, the crude odds ratio (OR) of the incidence of major malformation in the domperidone and metoclopramide groups was calculated using univariable logistic regression analysis. Adjusted OR was also calculated using multivariable logistic regression analysis adjusted for various other factors.

Results

The incidence of major malformation was 2.9% (14/485, 95% confidence interval [CI]: 1.6-4.8) in the domperidone group, 1.7% (27/1554, 95%CI: 1.1-2.5) in the control group, and 3.6% (8/224, 95%CI: 1.6-6.9) in the metoclopramide group. The adjusted multivariable logistic regression analysis showed no significant difference in incidence between the control and domperidone groups (adjusted OR: 1.86 [95%CI: 0.73-4.70], p = 0.191) or between the control and metoclopramide groups (adjusted OR: 2.20 [95%CI: 0.69-6.98], p = 0.183).

Conclusions

This observational cohort study showed that domperidone exposure during the first trimester was not associated with increased risk of major malformation in infants. These results may help alleviate the anxiety of patients who took domperidone during pregnancy.

SUBMITTER: Hishinuma K 

PROVIDER: S-EPMC8248151 | biostudies-literature |

REPOSITORIES: biostudies-literature

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