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SAN DIEGO -- Cytotec was more effective for cervical ripening and labor induction with an unfavorable cervix than were two forms of dinoprostone, but it was associated with a higher incidence of fetal heart tracing abnormalities.
In a prospective, randomized study of 111 obstetric patients, those who received Cytotec (misoprostol) had a quicker induction of labor, averaging 24 hours from the administration of the drug until delivery, compared with 30 hours in patients who received either Cervidil or Prepidil, Dr. Patrick S. Ramsey said at the annual meeting of the Society for Obstetric Anesthesia and Perinatology.
Nevertheless, Cytotec was associated with a significantly higher incidence of fetal heart tracing abnormalities and contraction abnormalities (50%), compared with Cervidil (14%) and Prepidil (11%), said Dr. Ramsey, who conducted the study while at the Mayo Clinic in Rochester, Minn.
Cytotec is approved by the Food and Drug Administration solely for the prevention and treatment of peptic ulcers. Nevertheless, it is frequently used off label for cervical ripening and labor induction in pregnant women.
Searle, which manufactures Cytotec, sent a letter to health care providers last year reminding them not to use the drug in pregnancy.
In response, the American College of Obstetricians and Gynecologists issued a statement that Cytotec, when used appropriately, is a safe and effective agent for cervical ripening and labor induction as well as for treating serious postpartum hemorrhage.
Cervidil and Prepidil are both indicated for cervical ripening.
Source: HighBeam Research, Fetal Heart Rate Abnormalities Higher With Cytotec Inductions.