VF Test for Prediction of Extremely PTB After Cerclage

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

WITHDRAWN

Study Classification

OBSERVATIONAL

Study Start Date

2018-06-30

Study Completion Date

2018-06-01

Brief Summary

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The purpose of this research study is to determine if a vaginal fluid (VF) test can predict very early preterm birth in patients who are scheduled to have an exam indicated cerclage for severe cervical shortening.

Prior to participants undergoing a scheduled amniocentesis two swabs to collect vaginal secretions for the VF tests will be done. During the amniocentesis your doctor will remove amniotic fluid as part of the routine clinical care. From that fluid sample, the study will use less than a quarter teaspoon for the amniotic fluid study test (AF test). Data regarding maternal and birth outcomes will be collected by medical record review.

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Detailed Description

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The purpose of this research study is to determine if a vaginal fluid (VF) test can predict very early preterm birth in patients who are scheduled to have an exam indicated cerclage for severe cervical shortening.

Prior to participants undergoing a scheduled amniocentesis, an ultrasound will be done to confirm cervical length and dilation. During a separate sterile speculum exam, the physician will use two swabs to collect vaginal secretions for the VF test. During the amniocentesis the doctor will remove approximately 2 teaspoon of amniotic fluid as part of your standard clinical care. From that fluid sample, the study will use less than a quarter teaspoon for a amniotic fluid study test (AF test). Data regarding maternal and birth outcomes will be collected by medical record review.

The vaginal fluid (VF) sample collection will take approximately 15 minutes to do. The total time in the study is about seven and a half months (from the time the patient consents until 4 weeks after delivery). The only study procedure the patient will experience during her study participation is the collection of the vaginal fluid specimens.

Conditions

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Preterm Birth Infection

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Interventions

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VF-Test

A vaginal fluid test of interleukin-6 (IL-6) and alphafetoprotein (AFP).

Intervention Type DIAGNOSTIC_TEST

Other Intervention Names

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vaginal fluid test.

Eligibility Criteria

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Inclusion Criteria

* Participant age 18 years or older
* Gestational age between 16w0d to 25w6d
* Singleton fetus with no apparent major anomalies on ultrasound exam
* Sonographically absent cervical length and/or sterile digital exam of 2cm or greater dilation
* Exam-indicated cervical cerclage has been recommended by clinician and patient agrees to proceed with cervical cerclage placement
* Decision has been made by provider to perform pre-cerclage amniocentesis to rule-out infection, with the understanding that cerclage is contraindicated if findings indicate probable or definitive infection, and patient agrees.

Exclusion Criteria

* Planned termination of pregnancy
* Clinical features consistent with placental abruption or chorioamnionitis
* Need for immediate delivery based on maternal or fetal issues
* Fetus with ultrasound-determined major congenital anomalies
* Multiple gestation
* Rupture of membranes
* Patient does not give consent to participate in this study

Minimum Eligible Age

18 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No