Trial Outcomes & Findings for Cervical Ripening With a Double-lumen Balloon Catheter for Six Versus Twelve Hours (NCT NCT03086967)

NCT ID: NCT03086967

Last Updated: 2022-11-30

Results Overview

Time in hours to delivery following use of foley catheter

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

204 participants

Primary outcome timeframe

Change in time to delivery following bulb insertion for 6 hours up to 72 hours

Results posted on

2022-11-30

Participant Flow

Participant milestones

Participant milestones
Measure
Six Hour
Placement of foley catheter and extrusion after 6 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Twelve Hour
Placement of foley catheter and extrusion after 12 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Overall Study
STARTED
103
101
Overall Study
COMPLETED
101
99
Overall Study
NOT COMPLETED
2
2

Reasons for withdrawal

Reasons for withdrawal
Measure
Six Hour
Placement of foley catheter and extrusion after 6 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Twelve Hour
Placement of foley catheter and extrusion after 12 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Overall Study
Screen Failure
2
2

Baseline Characteristics

Cervical Ripening With a Double-lumen Balloon Catheter for Six Versus Twelve Hours

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Six Hour
n=101 Participants
Placement of foley catheter and extrusion after 6 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Twelve Hour
n=99 Participants
Placement of foley catheter and extrusion after 12 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Total
n=200 Participants
Total of all reporting groups
Age, Continuous
24.8 years
STANDARD_DEVIATION 5.96 • n=99 Participants
24.33 years
STANDARD_DEVIATION 5.92 • n=107 Participants
24.6 years
STANDARD_DEVIATION 5.94 • n=206 Participants
Sex: Female, Male
Female
101 Participants
n=99 Participants
99 Participants
n=107 Participants
200 Participants
n=206 Participants
Sex: Female, Male
Male
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Asian
0 Participants
n=99 Participants
4 Participants
n=107 Participants
4 Participants
n=206 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
1 Participants
n=99 Participants
0 Participants
n=107 Participants
1 Participants
n=206 Participants
Race (NIH/OMB)
Black or African American
49 Participants
n=99 Participants
42 Participants
n=107 Participants
91 Participants
n=206 Participants
Race (NIH/OMB)
White
16 Participants
n=99 Participants
18 Participants
n=107 Participants
34 Participants
n=206 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Unknown or Not Reported
35 Participants
n=99 Participants
35 Participants
n=107 Participants
70 Participants
n=206 Participants
Maternal Weight
89.0 kg
STANDARD_DEVIATION 20.6 • n=99 Participants
85.9 kg
STANDARD_DEVIATION 19.0 • n=107 Participants
87.5 kg
STANDARD_DEVIATION 19.8 • n=206 Participants
Maternal BMI
34.1 kg/m^2
STANDARD_DEVIATION 7.5 • n=99 Participants
32.7 kg/m^2
STANDARD_DEVIATION 6.6 • n=107 Participants
33.4 kg/m^2
STANDARD_DEVIATION 7.1 • n=206 Participants
Gestational Age
39.4 wks
STANDARD_DEVIATION 1.4 • n=99 Participants
39.5 wks
STANDARD_DEVIATION 1.4 • n=107 Participants
39.5 wks
STANDARD_DEVIATION 1.4 • n=206 Participants
Gravidity
1.4 events
STANDARD_DEVIATION 0.9 • n=99 Participants
1.4 events
STANDARD_DEVIATION 0.7 • n=107 Participants
1.4 events
STANDARD_DEVIATION 0.8 • n=206 Participants
Parity
0.1 Events
STANDARD_DEVIATION 0.3 • n=99 Participants
0.1 Events
STANDARD_DEVIATION 0.4 • n=107 Participants
0.1 Events
STANDARD_DEVIATION 0.4 • n=206 Participants
Bishop score on admission
3.1 Score
STANDARD_DEVIATION 1.5 • n=99 Participants
3.2 Score
STANDARD_DEVIATION 1.5 • n=107 Participants
3.2 Score
STANDARD_DEVIATION 1.5 • n=206 Participants
Indication for Induction
Postdates
23 Participants
n=99 Participants
23 Participants
n=107 Participants
46 Participants
n=206 Participants
Indication for Induction
Oligohydramnios
8 Participants
n=99 Participants
11 Participants
n=107 Participants
19 Participants
n=206 Participants
Indication for Induction
Maternal Health Condition
62 Participants
n=99 Participants
53 Participants
n=107 Participants
115 Participants
n=206 Participants
Indication for Induction
Fetal Health Condition
16 Participants
n=99 Participants
22 Participants
n=107 Participants
38 Participants
n=206 Participants
Indication for Induction
Other
3 Participants
n=99 Participants
3 Participants
n=107 Participants
6 Participants
n=206 Participants
concomitant medications during induction
Magnesium Sulfate
20 Participants
n=99 Participants
12 Participants
n=107 Participants
32 Participants
n=206 Participants
concomitant medications during induction
Pitocin w Foley Bulb
14 Participants
n=99 Participants
14 Participants
n=107 Participants
28 Participants
n=206 Participants
concomitant medications during induction
Pitocin after Foley Bulb
97 Participants
n=99 Participants
94 Participants
n=107 Participants
191 Participants
n=206 Participants
concomitant medications during induction
Misoprostol prior to Foley Bulb
35 Participants
n=99 Participants
27 Participants
n=107 Participants
62 Participants
n=206 Participants
concomitant medications during induction
Misoprostol w Foley Bulb
1 Participants
n=99 Participants
2 Participants
n=107 Participants
3 Participants
n=206 Participants
concomitant medications during induction
Epidural
97 Participants
n=99 Participants
97 Participants
n=107 Participants
194 Participants
n=206 Participants

PRIMARY outcome

Timeframe: 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

Outcome measures

Outcome measures
Measure
Six Hour
n=101 Participants
Placement of foley catheter and extrusion after 6 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Twelve Hour
n=99 Participants
Placement of foley catheter and extrusion after 12 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Time From Foley Bulb Placement to Time of Delivery.
24.2 hr
Standard Deviation 10.2
24.57 hr
Standard Deviation 10.1

PRIMARY outcome

Timeframe: Time (hours) to delivery

Outcome measures

Outcome measures
Measure
Six Hour
n=13 Participants
Placement of foley catheter and extrusion after 6 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Twelve Hour
n=11 Participants
Placement of foley catheter and extrusion after 12 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Time to Delivery of Trial of Labor After Cesarean Section
20.62 hours
Standard Deviation 8.8
27.18 hours
Standard Deviation 11.9

PRIMARY outcome

Timeframe: 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.

Outcome measures

Outcome measures
Measure
Six Hour
n=13 Participants
Placement of foley catheter and extrusion after 6 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Twelve Hour
n=11 Participants
Placement of foley catheter and extrusion after 12 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
1 Minute Apgar Score of Trial of Labor After Cesarean Section
7.6 score on a scale
Standard Deviation 2.4
7.3 score on a scale
Standard Deviation 2.3

SECONDARY outcome

Timeframe: Hour 6, Hour 12

Time in hours from foley bulb placement to extrusion

Outcome measures

Outcome measures
Measure
Six Hour
n=101 Participants
Placement of foley catheter and extrusion after 6 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Twelve Hour
n=99 Participants
Placement of foley catheter and extrusion after 12 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Time From Foley Bulb Placement to Extrusion
5.75 hrs
Standard Deviation 0.9
9.25 hrs
Standard Deviation 3.5

SECONDARY outcome

Timeframe: Hour Six, Hour 12

Outcome measures

Outcome measures
Measure
Six Hour
n=101 Participants
Placement of foley catheter and extrusion after 6 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Twelve Hour
n=99 Participants
Placement of foley catheter and extrusion after 12 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Mode of Delivery--Number of Participants Having Cesarean Delivery
34 Participants
35 Participants

SECONDARY outcome

Timeframe: Hour Six, Hour 12

Outcome measures

Outcome measures
Measure
Six Hour
n=101 Participants
Placement of foley catheter and extrusion after 6 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Twelve Hour
n=99 Participants
Placement of foley catheter and extrusion after 12 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Bacterial Infection (Chorioamnionitis)
16 Participants
16 Participants

SECONDARY outcome

Timeframe: Hour 6, Hour 12

Outcome measures

Outcome measures
Measure
Six Hour
n=101 Participants
Placement of foley catheter and extrusion after 6 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Twelve Hour
n=99 Participants
Placement of foley catheter and extrusion after 12 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Endometritis
4 Participants
4 Participants

SECONDARY outcome

Timeframe: 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.

Outcome measures

Outcome measures
Measure
Six Hour
n=101 Participants
Placement of foley catheter and extrusion after 6 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Twelve Hour
n=99 Participants
Placement of foley catheter and extrusion after 12 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
1 Minute Apgar Score
8 Score
Standard Deviation 1.8
7.9 Score
Standard Deviation 1.9

SECONDARY outcome

Timeframe: 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.

Outcome measures

Outcome measures
Measure
Six Hour
n=101 Participants
Placement of foley catheter and extrusion after 6 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Twelve Hour
n=99 Participants
Placement of foley catheter and extrusion after 12 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
5 Minute Apgar Score
8.8 Score
Standard Deviation 0.7
8.8 Score
Standard Deviation 1.0

SECONDARY outcome

Timeframe: Time to foley bulb extrusion

Outcome measures

Outcome measures
Measure
Six Hour
n=13 Participants
Placement of foley catheter and extrusion after 6 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Twelve Hour
n=11 Participants
Placement of foley catheter and extrusion after 12 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Time to Foley Bulb Extrusion of Trial of Labor After Cesarean Section
5.6 hours
Standard Deviation 1.0
10.6 hours
Standard Deviation 3.1

SECONDARY outcome

Timeframe: 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.

Outcome measures

Outcome measures
Measure
Six Hour
n=13 Participants
Placement of foley catheter and extrusion after 6 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Twelve Hour
n=11 Participants
Placement of foley catheter and extrusion after 12 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
5 Minute Apgar Score of Trial of Labor After Cesarean Section
8.7 score on a scale
Standard Deviation 0.6
8.4 score on a scale
Standard Deviation 2.1

Adverse Events

Six Hour

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Twelve Hour

Serious events: 0 serious events
Other events: 1 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Six Hour
n=101 participants at risk
Placement of foley catheter and extrusion after 6 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Twelve Hour
n=99 participants at risk
Placement of foley catheter and extrusion after 12 hours followed by induction. Double-lumen balloon catheter: introduction of catheter into cervix for ripening prior to induction of labor following standard of care practices
Pregnancy, puerperium and perinatal conditions
incorrect foley placement
0.00%
0/101 • Up to 1 year
1.0%
1/99 • Up to 1 year

Additional Information

Dr. Susan Bliss

Atrium Health

Phone: (704)562-4860

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place