Oral Versus Vaginal Misoprostol for Induction of Labor

B

Bangkok Metropolitan Administration Medical College and Vajira Hospital

Status and phase

Completed
Phase 3
Phase 2

Conditions

Termed Pregnancy With Indications for Labor Induction.

Treatments

Drug: Misoprostol

Study type

Interventional

Funder types

Other

Identifiers

NCT00148473
VJR-01

Details and patient eligibility

About

The purpose of this study is to compare the efficacy between a single dose of oral misoprostol 100 microgram and vaginal misoprostol 50 microgram for induction of labor.

Full description

Induction of labor is widely carried out all over the world in cases where continuation of pregnancy is hazardous to both the mother and/or fetus. The induction in a ripe cervix is not difficult but complications are significantly increased when the cervix is unripe. The only agent approved for cervical ripening and induction of labor in patients with an unripe cervix is dinoprostone(PGE2). Misoprostol is a synthetic PGE1 analogue marketed for the prevention and treatment of gastro-duodenal ulcers. Misoprostol costs much less than dinoprostone and does not require refrigeration and has few systemic side effects.In addition, it is rapidly absorbed orally and vaginally. Although misoprostol is not registered for such use, it has been widely used for obstetric indications such as induction of abortion and of labor. Misoprostol for induction of labor in preceding literatures mainly prescribed in multiple dosing regimen. The adverse effects on uterus potentially occur owing to the frequent administration of misoprostol. The objective of this study was to compare a single dose oral misoprostol with vaginal misoprostol.

Sex

Female

Ages

18 to 48 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

A live singleton pregnancy at a gestation of >37 weeks, with obstetric or medical indications for induction, and unfavorable cervix (the initial Bishop score of <717), vertex presentation, reactive fetal heart rate pattern, absence of labor, and intact membranes without previous stripping. Post-term inductions were considered when gestational age was >41 weeks.

Exclusion criteria

Suspected cephalo-pelvic disproportion, estimated fetal weight of >4000 grams, maternal age of <18 years, parity of >5, previous cesarean delivery or history of uterine incision, any contraindication for vaginal delivery or prostaglandins administration and suspected chorioamnionitis.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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