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CompletedNCT02801201RaVemUpdated Jun 11, 2026

Impact of Analgesia on Success of External Version: Comparison of Spinal Anesthesia Versus Sedation

A Phase 3 interventional study of Midazolam and Bupivacaine in Breech Presentation, sponsored by Centre Hospitalier Universitaire, Amiens. Completed at 1 site in France. Open to female participants aged 18 Years to 60 Years. Per ClinicalTrials.gov, last updated 2026-06-11.

Sponsored by Centre Hospitalier Universitaire, Amiens · Phase 3, Interventional, and Treatment

Phase
Phase 3
Study type
Interventional
Enrollment
186
Allocation
Randomized
Ages
18 Years to 60 Years
Sex
Female
01

Study summary

At the time of birth, nearly 5% of children are in breech presentation. This type of presentation requires a medical environment and leads to more frequent use of Caesarean sections. This is why the external version can be proposed, usually from the 36th week. Its success rate is 40%, and is usually performed under simple sedation. One of the causes of failure is the lack of relaxation of the uterus, which could be higher in case of deeper anesthesia, as is the case in spinal anesthesia. The study project is to demonstrate superiority of spinal anesthesia compared to the usual protocol sedation in terms of primary and secondary objectives.

02

Conditions studied

  • Breech Presentation

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Keywords

  • sedation
  • spinal anesthesia
03

In context

Breech Presentation

41 studies on the registry are indexed under Breech Presentation; 10 are open to participants now.

This study's enrollment of 186 is above the median of 119 across 31 interventional studies indexed under Breech Presentation.

Browse Breech Presentation studies →

Lead sponsor

Centre Hospitalier Universitaire, Amiens is the lead sponsor of 586 studies on the registry; 185 are open to participants now.

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

04

Who can participate

Ages eligible
18 Years to 60 Years
Sexes eligible
Female
Accepts healthy volunteers
No

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

  • age ≥ 18 years
  • patient with 36 weeks of amenorrhea (SA) a fetus breech or transverse presentation
  • covered by a an insurance system
  • signed contentment

Exclusion criteria

Exclusion Criteria:

Obstetric :

  • placenta previa
  • 3rd trimester bleeding
  • suspicion of fetal anoxia
  • patient has already received more than one caesarean section
  • multi-fetal pregnancy
  • +
  • anticoagulant therapy

Anesthesiologic contraindications:

  • infection at the puncture site, systemic infection or severe sepsis
  • intracranial hypertension
  • uncompensated heart failure
  • constitute or acquired coagulation abnormalities, including anticoagulant therapy with curative intent
  • neuropathy with demyelination of nerve fibers in thrust or unstabilized during recovery
  • syringomyelia
Terms in these criteria, in plain language(2)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Contraindication

A reason a treatment, test or procedure should not be given to a particular person, such as an allergy, another illness or a medicine they take.

HIV

The human immunodeficiency virus, which weakens the immune system.

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05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Enrollment
186 participants (actual)

Study arms

  • Active comparator
    sedation

    Midazolam : 0,10 mg/kg

    Drug: Midazolam

  • Active comparator
    spinal anesthesia

    Bupivacain 10 mg

    Drug: Bupivacaine

Interventions

06

What researchers measure

Primary outcomes

  1. Successful external version (VME) upon completion gesture : obtaining a fetus in cephalic presentation

    Time frame: 24 hours

Secondary outcomes

  1. occurrence of side events due to the manipulation itself

    cesarean for non resolutive bradycardia, placental abruption, rupture of amniotic membranes

    Time frame: Day 0

  2. occurrence of side events due to anesthesia

    hypotension, maternal bradycardia, desaturation, nausea / vomiting, number of punctures greater than 1 (failure of the first puncture for spinal anesthesia leading to the necessity to perform one or more others).

    Time frame: Day 0

  3. The pain experienced by the patient: assessed by the Visual Analogic Scale

    Time frame: Day 0

  4. The final delivery mode (caesarian section or vaginal)

    Time frame: Day 0

  5. The presentation in childbirth

    Time frame: Day 0

07

Study locations

1 site
  • CHU Amiens
    Amiens, 80054, France
08

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Ran from May 2016 to primary completion in Dec 2024, 102 months.

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

Registered
May 27, 2016
First posted
Jun 15, 2016
StartActual
May 31, 2016
Primary completionActual
Dec 26, 2024
CompletionActual
Dec 8, 2025
Last update
Jun 11, 2026
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 Jun 11, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT02801201
Responsible party
Sponsor
First posted
Jun 15, 2016
Start date
May 31, 2016
Primary completion
Dec 26, 2024
Completion
Dec 8, 2025
Last update
Jun 11, 2026

Study contacts

Julien CHEVREAU, MD
principal investigator · CHU Amiens
View the source record on ClinicalTrials.gov ↗

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Studies of the drugs tested here: Midazolam · Bupivacaine

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