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Oral and Vaginal Misoprostol for Induction of Labor in Nulliparous Pregnant Women

Pregnancy Clinical Trial

Official title:
Comparative Study Between Oral and Vaginal Misoprostol for Induction of Labor in Nulliparous Pregnant Women at or Beyond Completed 41 Weeks

Clinical Trial Summary

The aim of this study is to compare the efficacy and the safety of vaginal misoprostol with oral misoprostol for induction of labor in nulliparous pregnant women at or beyond completed 41 weeks.

Clinical Trial Description

Induction of labor is carried out for maternal and fetal indications and one of the most common indications is prolonged pregnancy. Recent studies have suggested that by continuing pregnancy beyond 41 weeks, there is statistically significantly higher perinatal morbidity and mortality as well as an increased risk to the mother. Thus, there is a growing body of evidence suggesting the elective induction of labor at 41 weeks of gestation instead of expectant management. Misoprostol, a prostaglandin E1 analog, is indicated for protection against gastric ulcers, but when administered prenatally it causes uterine contractions. Research exploiting this adverse effect has shown misoprostol to be superior to conventional methods for induction, resulting in shorter induction-to-delivery intervals, without any increase in adverse outcomes. It has the advantage of being cheap, stable at room temperature, and easy to be administered by various routes i.e., vaginal, oral, sublingual, or rectal. The differential outcomes of oral versus vaginal misoprostol may be secondary to different pharmacokinetics for oral compared with vaginal misoprostol. Oral misoprostol undergoes rapid absorption from the gastrointestinal tract and rapid and extensive de-esterification during first-pass metabolism to an active metabolite, misoprostol, peaking at 15 minutes with a half-life of 20-40 minutes. Misoprostol then undergoes early rapid elimination over 120 minutes, followed by slow elimination thereafter. The medication rapidly makes its way to the myometrium. ln contrast, after vaginal misoprostol administration, plasma concentration gradually increase, reaching a maximum level after 70-80 minutes before slowly being eliminated with plasma levels still detectable 6 hours after administration. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05696574
Study type Interventional
Source Cairo University
Contact Elsayed F. Omran, M.B.B.CH
Phone 1032205090
Email mahmoudhamdy2251988@gmail.com
Status Not yet recruiting
Phase N/A
Start date January 20, 2023
Completion date June 20, 2023
View Details
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