CLINICAL TRIALS PROFILE FOR MAGNESIUM SULFATE; POTASSIUM CHLORIDE; SODIUM SULFATE
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All Clinical Trials for Magnesium Sulfate; Potassium Chloride; Sodium Sulfate
| Trial ID | Title | Status | Sponsor | Phase | Start Date | Summary |
|---|---|---|---|---|---|---|
| NCT00122278 ↗ | Headache in the Emergency Department (ED) - A Multi-Center Research Network to Optimize the ED Treatment of Migraines | Completed | Montefiore Medical Center | Phase 3 | 2005-07-01 | Migraines are a specific type of headache that frequently recur and are very painful. Although there are many medications that are effective against migraines, none of these medications cure 100% of migraines. Another problem with migraines is that although many times they get better after intravenous (IV) treatment in the emergency room (ER), about 1/3 of the time migraines recur the next day. The purpose of this research project is to see if adding a medication called dexamethasone to standard ER therapy will help patients get better quicker and stay pain-free more often than if they receive placebo. |
| NCT00137501 ↗ | Two Dose Regimens of Nifedipine for the Management of Preterm Labor | Terminated | American University of Beirut Medical Center | Phase 3 | 2003-05-01 | Preterm birth is one of the most important causes of perinatal morbidity and mortality worldwide. Prevention and treatment of preterm labor is important, not as an end in itself, but as a means of reducing adverse events for the neonate. A wide range of tocolytics, drugs used to suppress uterine contractions, have been tried. Magnesium sulfate (MgSO4) is the most widely used tocolytic at the American University of Beirut Medical Center despite the fact that an effective tocolytic role of MgSO4 has never been established. Moreover, the currently available data are suggestive of deleterious fetal effects of MgSO4 in the setting of preterm labor to the extent that some authorities are recommending abandoning it for routine use as a tocolytic therapy. Calcium channel blockers have the ability to inhibit contractility in smooth muscle cells. Consequently, nifedipine has emerged as an effective and rather safe alternative tocolytic agent for the management of preterm labor after several studies have shown that the use of nifedipine in comparison with other tocolytics is associated with a more frequent successful prolongation of pregnancy, resulting in significantly fewer admissions of newborns to the neonatal intensive care unit, and is associated with a lower incidence of respiratory distress syndrome. The unequivocal impact of this method of tocolysis on short term postponement of delivery and the opportunity that this provides for affecting in-utero transfer and steroid administration has prompted many investigators to recommend focusing future trials on testing different dose regimens of nifedipine. To the best of the investigators' knowledge, no study comparing two different dose regimens of nifedipine has been previously published in the literature. The objective of their study is to compare the effectiveness of a high versus a low dose regimen in a total of 200 patients admitted with the diagnosis of preterm labor between 24 and 34 weeks of gestation. In addition, the investigators' study will try to assess the safety profile of the 2 dose regimens on the mother and the neonate by assessing a selected number of outcome variables. The data generated will be used to change their protocol for managing patients presenting with threatened preterm delivery and will fill the existing gap regarding the most effective and safest dose regimen of nifedipine in such patients. |
| NCT00458003 ↗ | Phenylephrine in Spinal Anesthesia in Preeclamptic Patients | Completed | Northwestern University | N/A | 2006-07-01 | Hypotension remains a common clinical problem after induction of spinal anesthesia for cesarean delivery. Maternal hypotension has been associated with considerable morbidity (maternal nausea and vomiting and fetal/neonatal acidemia). Traditionally, ephedrine has been the vasopressor of choice because of concerns about phenylephrine's potential adverse effect on uterine blood flow. This practice was based on animal studies which showed that ephedrine maintained cardiac output and uterine blood flow, while direct acting vasoconstrictors, e.g., phenylephrine, decreased uteroplacental perfusion. However, several recent studies have demonstrated that phenylephrine has similar efficacy to ephedrine for preventing and treating hypotension and may be associated with a lower incidence of fetal acidosis. All of these studies have been performed in healthy patients undergoing elective cesarean delivery. Preeclampsia complicates 5-6% of all pregnancies and is a significant contributor to maternal and fetal morbidity and mortality. Many preeclamptic patients require cesarean delivery of the infant. These patients often have uteroplacental insufficiency. Given the potential for significant hypotension after spinal anesthesia and its effect on an already compromised fetus, prevention of (relative) hypotension in preeclamptic patients is important. Spinal anesthesia in preeclamptic patients has been shown to have no adverse neonatal outcomes as compared to epidural anesthesia when hypotension is treated adequately. Due to problems related to management of the difficult airway and coagulopathy, both of which are more common in preeclamptic women, spinal anesthesia may be the preferred regional anesthesia technique. Recent studies have demonstrated that preeclamptic patients may experience less hypotension after spinal anesthesia than their healthy counterparts. To our knowledge, phenylephrine for the treatment of spinal anesthesia-induced hypotension has not been studied in women with preeclampsia. The aim of our study is to compare intravenous infusion regimens of phenylephrine versus ephedrine for the treatment of spinal anesthesia induced hypotension in preeclamptic patients undergoing cesarean delivery. The primary outcome variable is umbilical artery pH. |
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