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  • Title: Use of oral oxytocics for stimulation of labor in cases of premature rupture of the membranes at term. A randomized comparative study of prostaglandin E2 tablets and demoxytocin resoriblets.
    Author: Westergaard JG, Lange AP, Pedersen GT, Secher NJ.
    Journal: Acta Obstet Gynecol Scand; 1983; 62(2):111-6. PubMed ID: 6575576.
    Abstract:
    The efficacy of oral PGE2 tablets and buccal demoxytocin (resoriblets) for the induction of labor in cases of premature rupture of the membranes (PROM) after the 37th week of gestation has been evaluated in a prospective, randomized investigation of 193 women. PGE2 tablets (Prostin) were given to 109 parturients and demoxytocin resoriblets (Sandopart) to 84. The former were given in increasing doses from an initial 0.5 mg to a maximum of 1.5 mg every hour. The demoxytocin was administered at a constant dosage of 50 I.U. every 30 min. The treatment was unsuccessful in 10 of the women treated with PGE2 tablets and in 19 women receiving demoxytocin resoriblets. In addition, the treatment had to be discontinued in 5 women in the PGE2 group due to gastrointestinal side effects. This gives a total success rate of 86.3% for treatment with PGE2 against 77.4% in respect of demoxytocin. This difference is not significant. No difference was observed between the two treatment groups as regards: the stimulation-delivery interval, duration of the various stages of labor, efficacy in primiparae and multiparae, efficacy in patients with a high/low Bishop score. A significantly higher frequency of gastro-intestinal side effects was seen in those treated with PGE2 (21.7%) as compared with demoxytocin (3.6%). The frequency of surgical intervention was 17% in the PGE2 group and 10% in the demoxytocin group. In 4 cases where the stimulation was successful, cesarean section was carried out for reasons unrelated to the drug therapy. Despite the fact that demoxytocin treatment results in fewer side effects than PGE2, the efficacy of the drug is not superior. Based on experience from previous investigations carried out in this department, where intravenous oxytocin was found to be clearly better than oral PGE2 for the induction of labor in cases of PROM, intravenous oxytocin will remain the method of choice due to the shorter period of treatment, which must take priority.
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