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Trial of Magnesium Sulfate Tocolysis Versus Nifedipine Tocolysis in Women With Preterm Labor

2014-07-23 21:45:44 | BioPortfolio

Summary

Primary Hypothesis:

Acute tocolysis (48 hours) using oral nifedipine is more effective than intravenous magnesium sulfate in prolonging pregnancy in women with preterm labor with intact membranes between 24 and 32 6/7 weeks' gestation.

Description

Primary Objective:

To compare the efficacy of oral nifedipine versus IV magnesium sulfate on the rate of preterm delivery at <37 weeks in women with preterm labor between 24 and 32 6/7 weeks gestation.

Secondary Objective:

1. To compare maternal side effects between the two tocolytic agents

2. To compare neonatal morbidities between the two study groups.

Study Design

Allocation: Randomized, Control: Active Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Treatment

Conditions

Premature Birth

Intervention

Magnesium sulfate, Oral Nifedipine or placebo

Location

University Hospital
Cincinnati
Ohio
United States
45219

Status

Terminated

Source

University of Cincinnati

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-07-23T21:45:44-0400

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Medical and Biotech [MESH] Definitions

Drugs that prevent preterm labor and immature birth by suppressing uterine contractions (TOCOLYSIS). Agents used to delay premature uterine activity include magnesium sulfate, beta-mimetics, oxytocin antagonists, calcium channel inhibitors, and adrenergic beta-receptor agonists. The use of intravenous alcohol as a tocolytic is now obsolete.

Onset of OBSTETRIC LABOR before term (TERM BIRTH) but usually after the FETUS has become viable. In humans, it occurs sometime during the 29th through 38th week of PREGNANCY. TOCOLYSIS inhibits premature labor and can prevent the BIRTH of premature infants (INFANT, PREMATURE).

Derivatives of chondroitin which have a sulfate moiety esterified to the galactosamine moiety of chondroitin. Chondroitin sulfate A, or chondroitin 4-sulfate, and chondroitin sulfate C, or chondroitin 6-sulfate, have the sulfate esterified in the 4- and 6-positions, respectively. Chondroitin sulfate B (beta heparin; DERMATAN SULFATE) is a misnomer and this compound is not a true chondroitin sulfate.

An enzyme that catalyzes the activation of sulfate ions by ATP to form adenosine-5'-phosphosulfate and pyrophosphate. This reaction constitutes the first enzymatic step in sulfate utilization following the uptake of sulfate. EC 2.7.7.4.

Magnesium chloride. An inorganic compound consisting of one magnesium and two chloride ions. The compound is used in medicine as a source of magnesium ions, which are essential for many cellular activities. It has also been used as a cathartic and in alloys.

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