Labor Induction and Maternal BMI, Comparison of Different Pre-induction Cervical Ripening Methods

August 21, 2014 updated by: Hillel Yaffe Medical Center

Labor Induction and Maternal BMI: Comparison of Different Pre-induction Cervical Ripening Methods: The Cook Double Balloon Catheter vs PGE1 Tablets in Lean, Overweight, and Obese Women. A Prospective Randomized Study.

The purpose of this study is to investigate whether mechanical cervical ripening (using the Cook double balloon catheter) is superior or inferior to pharmacological agents (PGE1) in overweight and obese women undergoing labor induction.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Unknown

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Anticipated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
624

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 2
  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.
  • Name: Saja Murra Anabosy, MD
  • Phone Number: +972 50 9260067
  • Email: saja83@gmail.com

Study Contact Backup

Study Locations

  • Israel
      • Hadera, Israel, 169
        • Hillel Yaffe Medical Center

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years to 45 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Female

Description

Inclusion Criteria:

  • Age 18 years of age or older.
  • Diagnosed to be pregnant (al least 37 weeks of gestation) with a medical indication for labor induction, including: postdate pregnancy, preeclampsia, gestational or chronic hypertension, Gestational Diabetes Mellitus at term, Oligohydramnios, Polyhydramnios, fetal growth restriction, maternal background disease necessitating delivery, Isoimmunisation, maternal Thrombophilia, intrahepatic cholestasis of pregnancy.
  • Having a Bishop score of 4 points or less.
  • Diagnosed as having singleton pregnancy at term (37 weeks at least) in a vertex presentation, with intact membranes, and absence of significant regular uterine contraction.
  • Willingness to comply with the protocol for the duration of the study.
  • Has agreed and signed an informed consent after given oral and written explanation.

Exclusion Criteria:

  • Anay contraindication for a vaginal delivery (i.e. placenta previa, non vertex presentation, estimated fetal weight of less than 4500 gr).
  • Ruptured membranes.
  • Previous cesarian section or presence of any uterine scar.
  • Documented labor with four or more spontanous uterine contractions per hour.
  • Suspected fetal distress necessitating immediate intervention.
  • Proven malignancy of the cervix.
  • Active vaginal bleeding.
  • Active inflammatory or purulent condition of the lower genital tract.
  • Active asthma.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: Cook double balloon catheter
Insertion of the Cook double balloon catheter to the cervix until both balloons are properly located in the cervical canal. After properly located it is inflated with 20 ml of saline. Then both balloons are additionally inflated to a total of 80 ml each balloon. Twelve hours later the balloons are deflated and the device is removed.
Device: Cook double balloon catheter
Active Comparator: PGE1 tablet insertion
Insertion of 25 mg PGE1 (Prostaglandin E1) tablet is inserted in the posterior fornix. The patient woll the be instructed to stay in bed for the next 60 minutes. After six hours a repeated dose will be administered. Total of 4 PGE1 doses within 24 hours.
Drug: PGE1 tablet
Other Names:
  • Prostaglandin E1

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Time Frame
Cesarian section rate
Time Frame: 24 hours
24 hours

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Incidence of excessive uterine activity Incidence of excessive uterine activity
Time Frame: 24 hours
At least 6 uterine contractions per 10- minutes period, or hyperstimulation, if combined with fetal heart rate abnormalities, or hypertonus defined as single contraction of 2-minute duration.
24 hours
Active labor onset
Time Frame: 24 hours
24 hours
Proportion of vaginal delivery
Time Frame: 24 hours
24 hours
Treatment failure
Time Frame: 12-24 hours
Proportion of subjects with unfavorable/unchanged Bishop score 12-24 hours after ripening
12-24 hours
The ripening-to-delivery time interval
Time Frame: 24 hours
24 hours
Need for oxytocin induction and/or augmentation of labor
Time Frame: 24 hours
24 hours
Mode of delivery
Time Frame: 24 hours
NVD vs. instrumental
24 hours
Intra-partum or postpartum fever
Time Frame: 48 hours
48 hours
Incidence of meconium staining
Time Frame: 24 hours
24 hours
The proportion of neonates with 5-minute Apgar scores of less than 7
Time Frame: 48 hours
48 hours
The number of neonates who were admitted to the neonatal intensive care unit
Time Frame: 48 hours
48 hours
morbidity and mortality
Time Frame: 48 hours
Number of cases of serious maternal and/or neonatal morbidity or death (including uterine rupture, maternal admission to the intensive care unit, maternal septicemia, placental abruption, hemorrhage at required blood transfusion, hysterectomy, neonatal seizures, birth asphyxia, meconium aspiration syndrome, or neonatal sepsis).
48 hours

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Hillel Yaffe Medical Center

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Saja Murra Anabosy, MD, Hillel Yaffe Medical Center
  • Study Chair: Asnat Walfisch, MD, Hillel Yaffe Medical Center

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
October 1, 2014

Primary Completion (Anticipated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
October 1, 2016

Study Completion (Anticipated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
November 1, 2016

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
August 21, 2014

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 21, 2014

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
August 22, 2014

Study Record Updates

Last Update Posted (Estimate)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
August 22, 2014

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 21, 2014

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
August 1, 2014

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 0033-14-HYMC

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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