• Sigal Kaplan, Claudia Florentina Dragut, and Andra Ghimpeteanu.
• Teva Pharmaceutical Industries Ltd., Netanya, Israel.
• Curr Med Res Opin. 2024 May 1; 40 (5): 821825821-825.

ObjectivesThis study aimed to examine pregnancy and fetal outcomes following paternal exposure to glatiramer acetate (GA).MethodsPregnancy reports of paternal GA-exposure at time of conception from 2001 to 2022 were extracted from Teva Global Pharmacovigilance database. Pregnancy reports obtained prior to (prospective) or after (retrospective) knowledge of the pregnancy outcome were included. The primary endpoint was major congenital malformation (MCM) in the offspring according to the US Metropolitan Atlanta Congenital Defects Program (MACDP) and European Surveillance of Congenital Anomalies and Twins (EUROCAT) classification. Other pregnancy and fetal outcomes, including spontaneous abortion, pregnancy termination, fetal death, preterm birth, and low birth weight, were assessed.ResultsA total of 466 paternal GA-exposed pregnancies were retrieved, 232 prospective cases and 234 retrospective cases. Of 349 (74.9%) pregnancies with known outcomes, 316 (90.5%) were live births, 28 (8.0%) were spontaneous abortions, 3 (0.9%) were elective pregnancy terminations, and 2 (0.6%) were stillbirths. In prospective live birth cases, there were 7/111 (6.3%) preterm births and 5/115 (4.3%) neonates with a low birth weight. The prevalence of total MCM among prospective cases was 1.7% (2 cases of 116 live births and fetal death/stillbirth), which is slightly lower than the background rates from MACDP (3%) and EUROCAT (2.1%).ConclusionsThis study did not indicate an increase in the rate of adverse pregnancy and fetal outcomes after paternal exposure to GA. These results provide additional information regarding pregnancy outcomes following paternal exposure to GA for healthcare professionals, male patients and their female partners who are considering pregnancy while their male partner is using GA.

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