- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03086967
Cervical Ripening With a Double-lumen Balloon Catheter for Six Versus Twelve Hours
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Objective: To determine whether a double-lumen balloon catheter requires twelve hours in the cervical canal to achieve its maximal cervical dilation. It is the hypothesis that the maximum cervical dilation and benefits of a double lumen foley catheter are achieved within the initial six hours after placement.
Study Design:
Overview: All eligible patients with a singleton pregnancy at 37 weeks gestational age or greater who are presenting for a clinically/ medically indicated induction with an unfavorable cervical exam will be invited to participate. As per the American College of Obstetricians and Gynecologists (ACOG) guidelines, all inductions performed prior to 39 weeks are medically indicated. Medical indications for induction prior to 39 weeks include but are not limited to preeclampsia, oligohydramnios and growth restriction. Upon admission to Labor and Delivery, women will be assessed for eligibility by an obstetric physician. A digital cervical examination will be performed and a Bishop score assigned. Patients with a Bishop score ≤ 6 are thought to benefit from a cervical ripening agent and the participants will be randomized based on parity at this point.
Type of Study: This study will be a prospective, randomized clinical control trial with human subjects.
Materials and Methods:
A qualified obstetric provider will provide eligible women with details of the study, including study objectives and methods. Consent will be obtained and witnessed from patients who elect to participate. Enrollment and randomization in the study will then occur. Patients will be randomized to the two groups using computer generated random numbers. The randomization will be stratified based on parity (i.e., women who have had any prior vaginal delivery above 20 weeks gestation v. women who have not). A foley bulb will then be placed by a qualified obstetric provider. Foley bulb will be inserted with or without speculum technique and with or without use of a stylet. In accordance with the standard of care, sterile saline will be placed in the intrauterine and vaginal balloon as tolerated by the patient for no more than a maximum of 80 cc in each balloon. The use of concomitant low dose pitocin with the foley bulb will be at the discretion of the admitting obstetric team. If the patient's foley bulb does not spontaneously expel within the maximum allotted time, they will be manually removed at six or twelve hours. At the time of manual removal or expulsion of the foley balloon, the patient's cervix will be checked by an experienced obstetric provider. As per usual protocol, additional cervical ripening and labor induction will proceed per managing obstetric team.
Independent Variables:
Data collection will include the independent variables of maternal age, parity, BMI, race (Caucasian, African American, Hispanic, Asian, other), Bishop Score, use of magnesium and epidural use. Data collection of independent fetal variables will include gestational age and estimated fetal weight.
Outcome Variables:
The primary outcome will be time from foley bulb placement to time of delivery. Secondary outcomes will include time from foley bulb placement to extrusion and rate of cesarean section. Additional comparison variables include: neonatal weight, APGAR scores and intrapartum and postpartum infection rates.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
North Carolina
-
Charlotte, North Carolina, United States, 28232
- Carolinas Medical Center
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Intrauterine pregnancy at 37 weeks gestational age or greater as determined by best obstetrical dating criteria
- Singleton gestation
- Vertex presentation
- Clinically adequate pelvis
- Bishop Score less than or equal to 6
16 years and older
- North Carolina state law provides for the emancipation of minors, Chapter 7B-Article 35.
Exclusion Criteria:
- Any maternal or fetal contraindication to vaginal delivery
- Known uterine anomaly
- Multifetal gestation
- Estimated fetal weight of 4500 gm or greater
- Ruptured membranes
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
ACTIVE_COMPARATOR: Six Hour
Placement of foley catheter and extrusion after 6 hours followed by induction.
|
introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Other Names:
|
ACTIVE_COMPARATOR: Twelve Hour
Placement of foley catheter and extrusion after 12 hours followed by induction.
|
introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Time From Foley Bulb Placement to Time of Delivery.
Time Frame: Change in time to delivery following bulb insertion for 6 hours up to 72 hours
|
Time in hours to delivery following use of foley catheter
|
Change in time to delivery following bulb insertion for 6 hours up to 72 hours
|
Time to Delivery of Trial of Labor After Cesarean Section
Time Frame: Time (hours) to delivery
|
Time (hours) to delivery
|
|
1 Minute Apgar Score of Trial of Labor After Cesarean Section
Time Frame: 1 minute Apgar score following birth
|
The Apgar score is based on a total score of 1 to 10.
The higher the score, the better the baby is doing after birth.
A score of 7, 8, or 9 is normal and is a sign that the newborn is in good health.
|
1 minute Apgar score following birth
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Time From Foley Bulb Placement to Extrusion
Time Frame: Hour 6, Hour 12
|
Time in hours from foley bulb placement to extrusion
|
Hour 6, Hour 12
|
Mode of Delivery--Number of Participants Having Cesarean Delivery
Time Frame: Hour Six, Hour 12
|
Hour Six, Hour 12
|
|
Bacterial Infection (Chorioamnionitis)
Time Frame: Hour Six, Hour 12
|
Hour Six, Hour 12
|
|
Endometritis
Time Frame: Hour 6, Hour 12
|
Hour 6, Hour 12
|
|
1 Minute Apgar Score
Time Frame: 1 minute Apgar score following birth
|
The Apgar score is based on a total score of 1 to 10.
The higher the score, the better the baby is doing after birth.
A score of 7, 8, or 9 is normal and is a sign that the newborn is in good health.
|
1 minute Apgar score following birth
|
5 Minute Apgar Score
Time Frame: 5 minute Apgar score following birth
|
The Apgar score is based on a total score of 1 to 10.
The higher the score, the better the baby is doing after birth.
A score of 7, 8, or 9 is normal and is a sign that the newborn is in good health.
|
5 minute Apgar score following birth
|
Time to Foley Bulb Extrusion of Trial of Labor After Cesarean Section
Time Frame: Time to foley bulb extrusion
|
Time to foley bulb extrusion
|
|
5 Minute Apgar Score of Trial of Labor After Cesarean Section
Time Frame: 5 Minute Apgar Score following birth
|
The Apgar score is based on a total score of 1 to 10.
The higher the score, the better the baby is doing after birth.
A score of 7, 8, or 9 is normal and is a sign that the newborn is in good health.
|
5 Minute Apgar Score following birth
|
Collaborators and Investigators
Investigators
- Principal Investigator: Susan A Bliss, MD, Wake Forest University Health Sciences
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- 06-13-03B
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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