Trial Outcomes & Findings for Cervical Pessary to Prevent Preterm Birth in Singleton Pregnancies With a Sonographically Measured Short Cervix (NCT NCT02357394)

NCT ID: NCT02357394

Last Updated: 2019-10-31

Results Overview

Preterm birth refers to pregnancies that deliver before 37 weeks. Count of participants that deliver before they reach 37 weeks.

Recruitment status

TERMINATED

Study phase

NA

Target enrollment

7 participants

Primary outcome timeframe

Up to 37 weeks 0 days

Results posted on

2019-10-31

Participant Flow

Participant milestones

Participant milestones
Measure
Device: Arabin Pessary
Participants randomized to this group will receive the pessary. Arabin Pessary: Arabin pessary is a ring manufactured from medical grade silicone. It comes in 13 different sizes. Participants will be fitted to the appropriate size by the study team.
Standard of Care
Patients randomized to the control group will receive standard of care for their condition. This includes surveillance of cervical length, vaginal progesterone, and emergency cerclage.
Overall Study
STARTED
4
3
Overall Study
COMPLETED
4
3
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

missing data

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Device: Arabin Pessary
n=4 Participants
Participants randomized to this group will receive the pessary. Arabin Pessary: Arabin pessary is a ring manufactured from medical grade silicone. It comes in 13 different sizes. Participants will be fitted to the appropriate size by the study team.
Standard of Care
n=3 Participants
Patients randomized to the control group will receive standard of care for their condition. This includes surveillance of cervical length, vaginal progesterone, and emergency cerclage.
Total
n=7 Participants
Total of all reporting groups
Age, Continuous
37.2 years
n=4 Participants
36 years
n=3 Participants
36.7 years
n=7 Participants
Sex: Female, Male
Female
4 Participants
n=4 Participants
3 Participants
n=3 Participants
7 Participants
n=7 Participants
Sex: Female, Male
Male
0 Participants
n=4 Participants
0 Participants
n=3 Participants
0 Participants
n=7 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=4 Participants
0 Participants
n=3 Participants
0 Participants
n=7 Participants
Race (NIH/OMB)
Asian
0 Participants
n=4 Participants
0 Participants
n=3 Participants
0 Participants
n=7 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=4 Participants
0 Participants
n=3 Participants
0 Participants
n=7 Participants
Race (NIH/OMB)
Black or African American
1 Participants
n=4 Participants
0 Participants
n=3 Participants
1 Participants
n=7 Participants
Race (NIH/OMB)
White
3 Participants
n=4 Participants
3 Participants
n=3 Participants
6 Participants
n=7 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=4 Participants
0 Participants
n=3 Participants
0 Participants
n=7 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=4 Participants
0 Participants
n=3 Participants
0 Participants
n=7 Participants
Region of Enrollment
United States
4 participants
n=4 Participants
3 participants
n=3 Participants
7 participants
n=7 Participants
marital status
married or living with partner
3 Participants
n=4 Participants
3 Participants
n=3 Participants
6 Participants
n=7 Participants
marital status
never married
1 Participants
n=4 Participants
0 Participants
n=3 Participants
1 Participants
n=7 Participants
employment status
full time
2 Participants
n=4 Participants
3 Participants
n=3 Participants
5 Participants
n=7 Participants
employment status
unemployed
1 Participants
n=4 Participants
0 Participants
n=3 Participants
1 Participants
n=7 Participants
employment status
part-time
1 Participants
n=4 Participants
0 Participants
n=3 Participants
1 Participants
n=7 Participants
years education
14.5 years
n=4 Participants • missing data
14 years
n=1 Participants • missing data
14.4 years
n=5 Participants • missing data
insurance group
private insurance
4 Participants
n=4 Participants
3 Participants
n=3 Participants
7 Participants
n=7 Participants
insurance group
uninsured
0 Participants
n=4 Participants
0 Participants
n=3 Participants
0 Participants
n=7 Participants
insurance group
government insurance
0 Participants
n=4 Participants
0 Participants
n=3 Participants
0 Participants
n=7 Participants
tobacco use
1 Participants
n=4 Participants
0 Participants
n=3 Participants
1 Participants
n=7 Participants
alcohol use
0 Participants
n=4 Participants
0 Participants
n=3 Participants
0 Participants
n=7 Participants
prepreg BMI
22.4 kg/m^2
n=4 Participants
36.4 kg/m^2
n=3 Participants
28.4 kg/m^2
n=7 Participants
infections before enrollment
0 Participants
n=4 Participants
0 Participants
n=3 Participants
0 Participants
n=7 Participants
infections at enrollment
1 Participants
n=4 Participants
0 Participants
n=3 Participants
1 Participants
n=7 Participants
nullipara
0 Participants
n=4 Participants
1 Participants
n=3 Participants
1 Participants
n=7 Participants
# of pregnancies < 16 wk delivered spontaneously
0.25 pregnancies
n=4 Participants
1 pregnancies
n=3 Participants
0.6 pregnancies
n=7 Participants
# of pregnancies 16w0d-23w6d delivered spontaneously
0 pregnancies
n=4 Participants
0 pregnancies
n=3 Participants
0 pregnancies
n=7 Participants
# of pregnancies 24w0d-36w6d delivered sponaneously
0 pregnancies
n=4 Participants
0 pregnancies
n=3 Participants
0 pregnancies
n=7 Participants
prior operative vaginal delivery
yes
1 Participants
n=4 Participants
0 Participants
n=3 Participants
1 Participants
n=7 Participants
prior operative vaginal delivery
no
3 Participants
n=4 Participants
3 Participants
n=3 Participants
6 Participants
n=7 Participants
prior Cesarean
yes
1 Participants
n=4 Participants
0 Participants
n=3 Participants
1 Participants
n=7 Participants
prior Cesarean
no
3 Participants
n=4 Participants
3 Participants
n=3 Participants
6 Participants
n=7 Participants
prior cervical surgery
yes
0 Participants
n=4 Participants
0 Participants
n=3 Participants
0 Participants
n=7 Participants
prior cervical surgery
no
4 Participants
n=4 Participants
3 Participants
n=3 Participants
7 Participants
n=7 Participants
gestational weeks at randomization
21.4 weeks
n=4 Participants
19.6 weeks
n=3 Participants
20.7 weeks
n=7 Participants
TVCL at randomization
15.8 millimeters
n=4 Participants
20.2 millimeters
n=3 Participants
17.7 millimeters
n=7 Participants
Funneling present
4 Participants
n=4 Participants
2 Participants
n=3 Participants
6 Participants
n=7 Participants
sludge present
2 Participants
n=4 Participants
0 Participants
n=3 Participants
2 Participants
n=7 Participants
progesterone started?
0 Participants
n=4 Participants
2 Participants
n=3 Participants
2 Participants
n=7 Participants
cerclage placed?
0 Participants
n=4 Participants
1 Participants
n=3 Participants
1 Participants
n=7 Participants

PRIMARY outcome

Timeframe: Up to 37 weeks 0 days

Preterm birth refers to pregnancies that deliver before 37 weeks. Count of participants that deliver before they reach 37 weeks.

Outcome measures

Outcome measures
Measure
Standard of Care
n=3 Participants
Patients randomized to the control group will receive standard of care for their condition. This includes surveillance of cervical length, vaginal progesterone, and emergency cerclage.
Device: Arabin Pessary
n=4 Participants
Participants randomized to this group will receive the pessary. Arabin Pessary: Arabin pessary is a ring manufactured from medical grade silicone. It comes in 13 different sizes. Participants will be fitted to the appropriate size by the study team.
Preterm Birth Before 37 Weeks
1 Participants
3 Participants

SECONDARY outcome

Timeframe: up to 34 weeks 0 days

Number of deliveries before 34 weeks 0 days of gestation

Outcome measures

Outcome measures
Measure
Standard of Care
n=3 Participants
Patients randomized to the control group will receive standard of care for their condition. This includes surveillance of cervical length, vaginal progesterone, and emergency cerclage.
Device: Arabin Pessary
n=4 Participants
Participants randomized to this group will receive the pessary. Arabin Pessary: Arabin pessary is a ring manufactured from medical grade silicone. It comes in 13 different sizes. Participants will be fitted to the appropriate size by the study team.
Preterm Birth Before 34 Weeks
0 Participants
1 Participants

SECONDARY outcome

Timeframe: antepartum and up to 28 days after postnatal gestational age of 36 weeks

Count of Fetal or Neonatal death up to 28 days after birth, respiratory distress syndrome, chronic lung disease, periventricular lucency, periventricular leukomalacia, intraventricular hemorrhage grade 3 or 4, necrotizing enterocolitis, early-onset-culture-proven sepsis

Outcome measures

Outcome measures
Measure
Standard of Care
n=3 Participants
Patients randomized to the control group will receive standard of care for their condition. This includes surveillance of cervical length, vaginal progesterone, and emergency cerclage.
Device: Arabin Pessary
n=4 Participants
Participants randomized to this group will receive the pessary. Arabin Pessary: Arabin pessary is a ring manufactured from medical grade silicone. It comes in 13 different sizes. Participants will be fitted to the appropriate size by the study team.
Neonatal Composite Morbidity
0 Participants
1 Participants

SECONDARY outcome

Timeframe: participants will be followed for the duration of hospital stay, up to 17 weeks after delivery

Total number of days in hospital after birth

Outcome measures

Outcome measures
Measure
Standard of Care
n=3 Participants
Patients randomized to the control group will receive standard of care for their condition. This includes surveillance of cervical length, vaginal progesterone, and emergency cerclage.
Device: Arabin Pessary
n=3 Participants
Participants randomized to this group will receive the pessary. Arabin Pessary: Arabin pessary is a ring manufactured from medical grade silicone. It comes in 13 different sizes. Participants will be fitted to the appropriate size by the study team.
Neonatal Length of Stay
7 days
Interval 2.0 to 16.0
3.3 days
Interval 3.0 to 4.0

SECONDARY outcome

Timeframe: participants will be followed for the duration of hospital stay, up to 17 weeks after delivery

Number of babies admitted to neonatal intensive care unit after birth during the same hospital stay.

Outcome measures

Outcome measures
Measure
Standard of Care
n=3 Participants
Patients randomized to the control group will receive standard of care for their condition. This includes surveillance of cervical length, vaginal progesterone, and emergency cerclage.
Device: Arabin Pessary
n=3 Participants
Participants randomized to this group will receive the pessary. Arabin Pessary: Arabin pessary is a ring manufactured from medical grade silicone. It comes in 13 different sizes. Participants will be fitted to the appropriate size by the study team.
Admission to Neonatal Intensive Care Unit
1 Participants
0 Participants

SECONDARY outcome

Timeframe: participants will be followed for the duration of hospital stay, up to 17 weeks after delivery

Number of days a baby spends in the neonatal intensive care unit

Outcome measures

Outcome measures
Measure
Standard of Care
n=3 Participants
Patients randomized to the control group will receive standard of care for their condition. This includes surveillance of cervical length, vaginal progesterone, and emergency cerclage.
Device: Arabin Pessary
n=3 Participants
Participants randomized to this group will receive the pessary. Arabin Pessary: Arabin pessary is a ring manufactured from medical grade silicone. It comes in 13 different sizes. Participants will be fitted to the appropriate size by the study team.
Total Days in the Neonatal Intensive Care Unit
16 days
Interval 16.0 to 16.0
0 days
Interval 0.0 to 0.0

SECONDARY outcome

Timeframe: participants will be followed for the duration of hospital stay, up to 17 weeks after delivery

Number of days a baby requires use of mechanical ventilation

Outcome measures

Outcome measures
Measure
Standard of Care
n=3 Participants
Patients randomized to the control group will receive standard of care for their condition. This includes surveillance of cervical length, vaginal progesterone, and emergency cerclage.
Device: Arabin Pessary
n=3 Participants
Participants randomized to this group will receive the pessary. Arabin Pessary: Arabin pessary is a ring manufactured from medical grade silicone. It comes in 13 different sizes. Participants will be fitted to the appropriate size by the study team.
Duration of Ventilator Support
0 days
Interval 0.0 to 0.0
0 days
Interval 0.0 to 0.0

SECONDARY outcome

Timeframe: participants will be followed for the duration of hospital stay, up to 17 weeks after delivery

Number of newborn with Retinopathy of Prematurity that requires intervention.

Outcome measures

Outcome measures
Measure
Standard of Care
n=3 Participants
Patients randomized to the control group will receive standard of care for their condition. This includes surveillance of cervical length, vaginal progesterone, and emergency cerclage.
Device: Arabin Pessary
n=3 Participants
Participants randomized to this group will receive the pessary. Arabin Pessary: Arabin pessary is a ring manufactured from medical grade silicone. It comes in 13 different sizes. Participants will be fitted to the appropriate size by the study team.
Retinopathy of Prematurity Requiring Treatment
0 Participants
0 Participants

SECONDARY outcome

Timeframe: at time of birth, expected to be within 4 weeks of due date

Number of newborns whose birthweight is less than 1500 grams

Outcome measures

Outcome measures
Measure
Standard of Care
n=3 Participants
Patients randomized to the control group will receive standard of care for their condition. This includes surveillance of cervical length, vaginal progesterone, and emergency cerclage.
Device: Arabin Pessary
n=4 Participants
Participants randomized to this group will receive the pessary. Arabin Pessary: Arabin pessary is a ring manufactured from medical grade silicone. It comes in 13 different sizes. Participants will be fitted to the appropriate size by the study team.
Birthweight < 1500 Grams
0 Participants
1 Participants

SECONDARY outcome

Timeframe: at time of birth, expected to be within 4 weeks of due date

Number of newborns whose birthweight is less than 2500 grams

Outcome measures

Outcome measures
Measure
Standard of Care
n=3 Participants
Patients randomized to the control group will receive standard of care for their condition. This includes surveillance of cervical length, vaginal progesterone, and emergency cerclage.
Device: Arabin Pessary
n=4 Participants
Participants randomized to this group will receive the pessary. Arabin Pessary: Arabin pessary is a ring manufactured from medical grade silicone. It comes in 13 different sizes. Participants will be fitted to the appropriate size by the study team.
Birthweight < 2500 Grams
1 Participants
3 Participants

SECONDARY outcome

Timeframe: at time of birth, expected to be within 4 weeks of due date

Number of weeks of gestation completed by time of delivery

Outcome measures

Outcome measures
Measure
Standard of Care
n=3 Participants
Patients randomized to the control group will receive standard of care for their condition. This includes surveillance of cervical length, vaginal progesterone, and emergency cerclage.
Device: Arabin Pessary
n=4 Participants
Participants randomized to this group will receive the pessary. Arabin Pessary: Arabin pessary is a ring manufactured from medical grade silicone. It comes in 13 different sizes. Participants will be fitted to the appropriate size by the study team.
Gestational Age at Delivery
37.3 weeks
Interval 34.0 to 39.4
33.1 weeks
Interval 21.1 to 39.0

SECONDARY outcome

Timeframe: participants will be followed for the duration of pregnancy, up to nine months

Number of participants required use of tocolytic medication

Outcome measures

Outcome measures
Measure
Standard of Care
n=3 Participants
Patients randomized to the control group will receive standard of care for their condition. This includes surveillance of cervical length, vaginal progesterone, and emergency cerclage.
Device: Arabin Pessary
n=4 Participants
Participants randomized to this group will receive the pessary. Arabin Pessary: Arabin pessary is a ring manufactured from medical grade silicone. It comes in 13 different sizes. Participants will be fitted to the appropriate size by the study team.
Use of Tocolysis
0 Participants
0 Participants

SECONDARY outcome

Timeframe: participants will be followed for the duration of pregnancy, up to nine months

Number of participants that received betamethasone or dexamethasone to reduce morbidity of expected preterm delivery

Outcome measures

Outcome measures
Measure
Standard of Care
n=3 Participants
Patients randomized to the control group will receive standard of care for their condition. This includes surveillance of cervical length, vaginal progesterone, and emergency cerclage.
Device: Arabin Pessary
n=4 Participants
Participants randomized to this group will receive the pessary. Arabin Pessary: Arabin pessary is a ring manufactured from medical grade silicone. It comes in 13 different sizes. Participants will be fitted to the appropriate size by the study team.
Use of Antenatal Steroids
3 Participants
0 Participants

SECONDARY outcome

Timeframe: participants will be followed for the duration of pregnancy, up to nine months

Number of participants that showed intrauterine infection diagnosed by maternal tachycardia, fever, uterine tenderness, purulent or abnormal cervical discharge, fetal tachycardia.

Outcome measures

Outcome measures
Measure
Standard of Care
n=3 Participants
Patients randomized to the control group will receive standard of care for their condition. This includes surveillance of cervical length, vaginal progesterone, and emergency cerclage.
Device: Arabin Pessary
n=4 Participants
Participants randomized to this group will receive the pessary. Arabin Pessary: Arabin pessary is a ring manufactured from medical grade silicone. It comes in 13 different sizes. Participants will be fitted to the appropriate size by the study team.
Chorioamnionitis
0 Participants
0 Participants

SECONDARY outcome

Timeframe: participants will be followed for the duration of pregnancy, up to nine months

Number of participants who experienced bleeding from lower genital tract during antepartum period

Outcome measures

Outcome measures
Measure
Standard of Care
n=3 Participants
Patients randomized to the control group will receive standard of care for their condition. This includes surveillance of cervical length, vaginal progesterone, and emergency cerclage.
Device: Arabin Pessary
n=4 Participants
Participants randomized to this group will receive the pessary. Arabin Pessary: Arabin pessary is a ring manufactured from medical grade silicone. It comes in 13 different sizes. Participants will be fitted to the appropriate size by the study team.
Vaginal Bleeding
0 Participants
1 Participants

SECONDARY outcome

Timeframe: participants will be followed for the duration of pregnancy, up to nine months

Number of participants who experienced rupture of membranes as diagnosed by speculum exam showing pooling, ferning, positive nitrazine test, positive amnisure test.

Outcome measures

Outcome measures
Measure
Standard of Care
n=3 Participants
Patients randomized to the control group will receive standard of care for their condition. This includes surveillance of cervical length, vaginal progesterone, and emergency cerclage.
Device: Arabin Pessary
n=4 Participants
Participants randomized to this group will receive the pessary. Arabin Pessary: Arabin pessary is a ring manufactured from medical grade silicone. It comes in 13 different sizes. Participants will be fitted to the appropriate size by the study team.
Preterm Premature Rupture of Membranes
1 Participants
1 Participants

SECONDARY outcome

Timeframe: at time of delivery, expected to be within 4 weeks of due date

Number of participants that underwent cesarean delivery

Outcome measures

Outcome measures
Measure
Standard of Care
n=3 Participants
Patients randomized to the control group will receive standard of care for their condition. This includes surveillance of cervical length, vaginal progesterone, and emergency cerclage.
Device: Arabin Pessary
n=4 Participants
Participants randomized to this group will receive the pessary. Arabin Pessary: Arabin pessary is a ring manufactured from medical grade silicone. It comes in 13 different sizes. Participants will be fitted to the appropriate size by the study team.
Cesarean Delivery
0 Participants
1 Participants

Adverse Events

Device: Arabin Pessary

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

Standard of Care

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

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Dr. Gene Lee

University of Kansas Health System, Dept of OBGYN

Phone: 9135886201

Results disclosure agreements

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