Low-dose oral methotrexate with expectant management of ectopic pregnancy

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Abstract
To investigate recovery times and need for laparoscopy in women with ectopic pregnancy who were treated for 5 days 2.5 mg/day of oral methotrexate or placebo. Methods: Sixty women with ectopic pregnancy among patients of an outpatient clinic specializing in early pregnancy disorders were selected for medical treatment in a double-blind, placebo-controlled study. The diagnosis was made by transvaginal sonography and serum hCG determinations, either at admission or after repeated examinations. Women were recruited for the study if they had mild symptoms: the hCG increase was less than 50% within 2 days, the diameter of the ectopic pregnancy was less than 40 mm, there were no signs of intra-abdominal bleeding by transvaginal sonography, and there were no secondary reasons for laparoscopy. Either 2.5 mg of methotrexate or placebo was given orally for 5 days. Serum hCG was determined after 2 days, and hCG, red blood cell count, white blood cell count, platelet count, and serum glutamic-oxaloacetic transaminase were measured; transvaginal sonography was performed after 5 and 12 days. Expectant management was continued individually with check-ups at 1–3-week intervals. Laparoscopy was performed if the patient developed abdominal pain or intra-abdominal hemorrhage, as seen by transvaginal sonography. Statistical analysis was by paired or unpaired t test, Mann-Whitney U test, regression analysis, and repeated measures analysis of variance. Seventy-seven percent of the patients recovered without the need for laparoscopy in both groups, and there were no significant differences in recovery times or the need for laparoscopy between groups. Oral methotrexate, 2.5 mg for 5 days, does not appear to be more effective than placebo in the treatment of ectopic pregnancy in women eligible for expectant management.

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