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CompletedNCT02317146MAG-PPUpdated Feb 1, 2017

Magnesium Sulfate in Pregnancy and Postpartum

A Phase 2/3 interventional study of Magnesium Sulfate in Severe Pre-eclampsia With Postnatal Complication, sponsored by Complejo Hospitalario Dr. Arnulfo Arias Madrid. Completed at 3 sites in Panama. Open to female participants aged 14 Years to 44 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2017-02-01.

Sponsored by Complejo Hospitalario Dr. Arnulfo Arias Madrid · Phase 2/3, Interventional, and Treatment

Phase
Phase 2/3
Study type
Interventional
Enrollment
280
Allocation
Randomized
Ages
14 Years to 44 Years
Sex
Female
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Study summary

There are huge doubts as to how long to keep postpartum magnesium sulfate. Studies demonstrating the usefulness for 24, 12 or 6 hours are of little evidence and do not take into account the use of magnesium sulphate before delivery. Termination of pregnancy is the best option to prevent eclampsia and magnesium sulphate has proven effective, but do not know the minimum effective dose.The investigators believe that if the patient has received less than 8 continuous hours of magnesium sulphate before delivery, maintain magnesium sulfate for 6 hours is as effective as keeping it for 24 hours.

Read the detailed description

The definitive treatment known for pre-eclampsia is the interruption of pregnancy. While the definitive treatment is the pregnancy interruption, management includes other measures that have proven effective, including the administration of antihypertensive drugs for severe hypertension and that the use of anticonvulsant such as the magnesium sulfate.

There are multiple studies that prove the effectiveness of magnesium sulfate to prevent eclampsia in patients with severe / serious disorder. Unfortunately these studies used the drug before birth and continue after birth. Therefore the investigators can not conclude whether the administration just before pregnancy is sufficient to prevent seizure. That is, if the cure or definitive treatment of pre-eclampsia is the interruption, did not seem necessary to justify the administration of anticonvulsant drugs after birth. Obvious post delivery management sulfate arises from the large number of postpartum eclampsia reported in many studies. It is unknown if the administration of magnesium sulfate for a minimum period not yet determined before birth and delivery requires even keep the drug after discontinuation.

For all these reasons the investigators propose the following: A randomized trial where all those patients who received magnesium sulfate for less that 8 hours before birth will be randomized to two groups of study: 1- Continue magnesium sulfate for 24 hours and 2-Continue magnesium sulfate for 6 hours postpartum.

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Conditions studied

  • Severe Pre-eclampsia With Postnatal Complication

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03

In context

Pre-Eclampsia

916 studies on the registry are indexed under Pre-Eclampsia; 243 are open to participants now.

This study's enrollment of 280 is above the median of 110 across 480 interventional studies indexed under Pre-Eclampsia.

Browse Pre-Eclampsia studies →

Lead sponsor

Complejo Hospitalario Dr. Arnulfo Arias Madrid is the lead sponsor of 5 studies on the registry; none are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
14 Years to 44 Years
Sexes eligible
Female
Accepts healthy volunteers
Yes

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

Severe hypertensive disorder receiving magnesium sulfate prophylaxis for less than 8 hours at birth.

Exclusion criteria

Exclusion Criteria:

  • Complications such as: HELLP syndrome, renal failure, eclampsia, retinal detachment, cerebral edema, pulmonary edema, hypertensive encephalopathy.
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Study design

Phase
Phase 2 / Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
280 participants (actual)

Study arms

  • Experimental
    Six Hours Postpartum

    The woman received magnesium sulfate for 6 hours after delivery as prophylaxis to eclampsia.

    Drug: Magnesium Sulfate

  • Active comparator
    Twenty-four hours Postpartum

    The woman received magnesium sulfate for 24 hours after delivery as prophylaxis to eclampsia.

    Drug: Magnesium Sulfate

Interventions

  • Magnesium sulfate is the drug used as prophylaxis to eclampsia in women with severe preeclampsia

    Also known as: anticonvulsivant

06

What researchers measure

Primary outcomes

  1. Seizure (Eclampsia)

    Seizure during the first 72 hours post delivery

    Time frame: 72 hours postpartum

Secondary outcomes

  1. Diuresis postpartum

    volume of urine post delivey

    Time frame: 72 hours postpartum

  2. Persistent symptomatology

    headache, epigastric pain, visual and auditory symptoms symptoms

    Time frame: 24 hours postpartum

07

Study locations

3 sites
  • Hospital Jose Domingo de Obaldia
    Chiriqui, Panama
  • Hospital Manuel Amador Guerrero
    Colon, Panama
  • Complejo Hospitalario Caja de Seguro Social
    Panamá, Panama
08

References and documents

Publications

  • Altman D, Carroli G, Duley L, Farrell B, Moodley J, Neilson J, Smith D; Magpie Trial Collaboration Group. Do women with pre-eclampsia, and their babies, benefit from magnesium sulphate? The Magpie Trial: a randomised placebo-controlled trial. Lancet. 2002 Jun 1;359(9321):1877-90. doi: 10.1016/s0140-6736(02)08778-0. PubMed 12057549 ↗
  • Ascarelli MH, Johnson V, May WL, Martin RW, Martin JN Jr. Individually determined postpartum magnesium sulfate therapy with clinical parameters to safely and cost-effectively shorten treatment for pre-eclampsia. Am J Obstet Gynecol. 1998 Oct;179(4):952-6. doi: 10.1016/s0002-9378(98)70195-4. PubMed 9790377 ↗
  • Belfort MA, Anthony J, Saade GR, Allen JC Jr; Nimodipine Study Group. A comparison of magnesium sulfate and nimodipine for the prevention of eclampsia. N Engl J Med. 2003 Jan 23;348(4):304-11. doi: 10.1056/NEJMoa021180. PubMed 12540643 ↗
  • Vigil-De Gracia P, Ramirez R, Duran Y, Quintero A. Magnesium sulfate for 6 vs 24 hours post delivery in patients who received magnesium sulfate for less than 8 hours before birth: a randomized clinical trial. BMC Pregnancy Childbirth. 2017 Jul 24;17(1):241. doi: 10.1186/s12884-017-1424-3. PubMed 28738788 ↗

Individual participant data

Plan to share: No

09

Timeline

Tracking since Sep 25, 2026
Not marked actual or estimatedDates not marked actual or estimated

The record gives a start of Nov 2013, a primary completion of Dec 2016 and a completion of Dec 2016. It does not say whether these dates are actual or estimated.

How these figures are worked out, and which studies are left out of them.

Registered
Dec 11, 2014
First posted
Dec 15, 2014
Start
Nov 2013
Primary completionActual
Dec 2016
CompletionActual
Dec 2016
Last update
Feb 1, 2017
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Feb 1, 2017, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT02317146
Lead sponsor
Complejo Hospitalario Dr. Arnulfo Arias Madrid
Responsible party
Paulino Vigil-De Gracia (Co-Investigator, Complejo Hospitalario Dr. Arnulfo Arias Madrid) — Principal investigator
First posted
Dec 15, 2014
Start date
Nov 2013
Primary completion
Dec 2016
Completion
Dec 2016
Last update
Feb 1, 2017

Study contacts

Roberto Lewis, MD
principal investigator · Caja de seguro Social

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Jan 2017. You cannot join it, but the record below documents what was studied.

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Studies of the drug tested here: Magnesium Sulfate

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