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Journal of Clinical Toxicology

Journal of Clinical Toxicology
Open Access

ISSN: 2161-0495

+44 1478 350008

Abstract

Pharmacokinetics of Monoclonal Antibodies Used for Inflammatory Bowel Diseases in Pregnant Women

Rebecca H Stone, James Hong and Hyunyoung Jeong

Inflammatory bowel disease (IBD) is a condition of chronic immune response and inflammation of the gastrointestinal tract. Most women with IBD are affected during their reproductive years, and untreated IBD can have detrimental maternal and fetal outcomes. In recent years, many biological therapies including anti-TNF agents (infliximab, adalimumab, and certolizumab) have been developed for the treatment of IBD. An increasing number of IBD patients are treated with these agents during pregnancy. Sporadic reports suggest an absence of negative pregnancy outcomes related to use of anti-TNF agents in women with IBD. However, it is unclear if the physiological changes occurring in pregnancy alter mAb dose requirements for optimal maternal disease management and minimal fetal exposure to therapeutic antibodies. Based on current understanding of the pharmacokinetic profiles for anti-TNF agents in nonpregnant subjects, it appears very likely that physiological changes accompanying pregnancy can alter pharmacokinetics of anti-TNF agents. This review focuses on how such physiological changes may impact disposition of anti-TNF agents during pregnancy. Further improvement in pregnancy outcomes may be achieved in women with IBD by better understanding of pregnancy-mediated changes in the pharmacokinetics of anti-TNF agents.

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