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PregnancyPhase 4NCT02523755

Evaluation of Regional Distribution of Ventilation During Labor With or Without Epidural Analgesia

A Phase 4 study testing Epidural analgesia Ropivacaine and Absence of epidural analgesia in people with Pregnancy and Atelectasis, run by Universitair Ziekenhuis Brussel at 1 site in Belgium.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

With an efficient epidural analgesia the physiological effects of pain are disabled during labor. Pain may cause an increase of minute volume, oxygen consumption and a decrease of paCO2 (Arterial CO2 pressure). The study will evaluate the lung function before and after labor with and without epidural analgesia. Read more about this study

Who is it for?
Ages 18 years and older, women only
Conditions the study is for
Pregnancy, Atelectasis
What is being tested?
Epidural analgesia Ropivacaine and Absence of epidural analgesia
Type of treatment
Injection or infusion
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
40 participants
Where
1 siteBelgium
Study dates
Sep 2015to Dec 2016
Phase
Phase 4
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • Women only
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • ASA I
  • ASA II

Who cannot join

  • Caesarian
  • < 18 years
  • Expulsions

Trial locations and contacts

1 site in 1 country.

Belgium1 site
  • Universitair Ziekenhuis Brussel

    Jette, Vlaams Brabant, 1090

Other trials in Belgium

About this study

Official title: Evaluation of Regional Distribution of Ventilation in Spontaneous Breathing Patients During Labor With or Without Epidural Analgesia Using EIT (Electrical Impedance Tomography)

With an efficient epidural analgesia the physiological effects of pain are disabled during labor. Pain may cause an increase of minute volume, oxygen consumption and a decrease of paCO2 (Arterial CO2 pressure). The study will evaluate the lung function before and after labor with and without epidural analgesia. With more efficient breathing, the occurence of atelectasis should be reduced; this effect will be investigated in these settings for the first time with the electrical impedance tomography, which is a completely non-invasive measure.

Read the detailed description

The bedside efficacy of the electrical impedance tomography (EIT) in intensive care settings during mechanical ventilation is known. However, no studies demonstrate its utility during epidural analgesia for labor.

The purpose of this study is to evaluate lung function and atelectasis in pregnant women with or without epidural analgesia, during labor and after delivery.

Only adult consenting patients ASA I \& ASA II (American Society of Anaesthesiologists) are included in the study. According to institutional protocols lumbal epidural catheter is inserted and tested at the start of the labor, while patients' parameters are monitored.

Refusal to epidural analgesia, technical difficulties to insert the epidural catheter or any medical contraindication will result in inclusion of these patients in the control group.

Measurement with EIT is not invasive and harmful neither for the mother nor for the child.

It consists of putting a belt around the chest; this belt is linked to a monitor which measures the impedance of the different lung regions.

Electrical impedance measurements will be done for short periods of maximum 5 min. each as follows:

  1. Placement before injection of local anesthetics through the epidural catheter in the study goup; in the control subset placement of the belt will be done when an epidural anesthetic would have been considered.
  2. 1 hour after placement of the belt
  3. 1 hour after delivery

These periods will be compared.

Being tested
Epidural analgesia Ropivacaine, Absence of epidural analgesia
Keywords
epidural analgesia for labor, respiratory function, electrical impedance tomography
Medical subject headings
Pulmonary Atelectasis, Respiratory Aspiration

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Epidural analgesia RopivacaineDrug

    Measurement of regional distribution as assessed by EIT before and after injection of local anesthetics

  • Absence of epidural analgesiaDrug

    Measurement of regional distribution as assessed by EIT before and after delivery

Study groups in NCT02523755
Study groupRoleWhat they receive
Epidural analgesia RopivacaineActive comparatorPlacement of an epidural catheter to achieve pain relief
Receives: Drug: Epidural analgesia Ropivacaine; Drug: Absence of epidural analgesia
Absence of epidural analgesiaSham comparatorNo placement of an epidural catheter either because of patient refusal or contraindication
Receives: Drug: Epidural analgesia Ropivacaine; Drug: Absence of epidural analgesia

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Better lung function after labor with epidural analgesia

    Using EIT we will map the degree of atelectasis

    Measured: 24h

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted14 Aug 2015 (estimated)
  2. Study startSep 2015
  3. Primary completionNov 2016
  4. Study completionDec 2016

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 4
Primary purpose
Diagnosis
Allocation
Non-randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
40 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02523755
Sponsor's protocol ID
EIT
Status last verified
Dec 2016
First submitted
28 Jul 2015
Last updated
6 Dec 2016
Results posted
No
Data monitoring committee
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Epidural analgesia Ropivacaine and Absence of epidural analgesia in people with Pregnancy and Atelectasis, run by Universitair Ziekenhuis Brussel at 1 site in Belgium.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 6 Dec 2016. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Belgium. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Better lung function after labor with epidural analgesia (time frame: 24h). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 6 Dec 2016.

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