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Uterine Cervical Incompetence clinical trials

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NCT ID: NCT06443112 Completed - Clinical trials for Cervical Incompetence (Complicating Pregnancy)

Pregnancy Outcomes According to Cervical Cerclage Indications and Factors Affecting Pregnancy Duration and Outcomes

CCERCIAFAO
Start date: May 10, 2024
Phase:
Study type: Observational

This study aimed to asses predictive factors associated with successful cervical cerclage and poor pregnancy outcomes in all indications.129 pregnant women who underwent cerclage at 12-25 weeks gestation in a perinatal medical center were included. The patients were divided into three subgroups for data analysis. Groups included patients with respectively history-indicated cerclage (group 1), ultrasound-indicated cerclage (group 2), and rescue cerclage (group 3). The investigators defined successful cerclage as postponing birth until after the 28th week of gestation and a 'good outcome' was defined as delivery beyond 34 completed weeks.Factors associated with successful cervical cerclage and perinatal outcomes after the procedure for all three groups were analyzed. The investigators also calculated post-cerclage the cervical length cut-off value required to predict if birth could be postponed until after the 28th week of gestation in women with cervical insufficiency.

NCT ID: NCT06122506 Recruiting - Preterm Birth Clinical Trials

Nordic Randomized Trial on Laparoscopic Versus Vaginal Cerclage

NORACT
Start date: November 9, 2023
Phase: N/A
Study type: Interventional

Every year 15 million babies are born prematurely, which can lead to death or life-long disabilities. It is often caused by a dysfunction of the uterine cervix, which constitutes the narrow channel between the vagina and womb. During pregnancy, this channel must remain closed until the beginning of term labor. A weak cervix may not withstand the weight of the fetus, the amniotic fluid and the placenta and the cervical canal will open and cause late miscarriage or preterm delivery. To prevent this, a band (cerclage) can be applied around the cervix either vaginally or laparoscopically prior to a new pregnancy. To evaluate which treatment is best for most women, we will randomize (allocate by chance) women at risk for preterm birth, to either vaginal cerclage or laparoscopic cerclage in the Nordic countries and England

NCT ID: NCT05863481 Completed - Pre-Term Clinical Trials

Obstetric Outcome in Pregnancies Treated With Laparoscopic Cerclage

Start date: May 1, 2011
Phase:
Study type: Observational

Preterm birth is a leading cause of neonatal mortality and morbidity. Cervical insufficiency is one factor implicated in the complex mechanisms involved in spontaneous preterm birth. Trans-abdominal insertion of a cervical cerclage suture can be used to treat cervical insufficiency. Growing evidence support that laparoscopic cerclage procedures are safe and effective. Still, many aspects of the laparoscopic cerclage remains uncertain. Therefore, the investigators plan to study the obstetric outcome from the first and subsequent pregnancies after laparoscopic cerclage in a Danish cohort from Aarhus University Hospital in a 10 years' period.

NCT ID: NCT05512052 Not yet recruiting - Preterm Birth Clinical Trials

Preventing Preterm Birth With a Negative Pressure Cervical Cup: a Feasibility Study

Start date: April 2023
Phase: Phase 1
Study type: Interventional

The goal of this Phase I clinical trial is to generate proof-of-concept data to demonstrate that a cervical cup in combination with vacuum application will create negative pressure on uterine cervical tissue, thereby creating immediate cervical stiffness in order to prevent cervical ripening that is associated with spontaneous preterm birth. Aim #1: Conduct a Phase I clinical study. 1A: Evaluate the ability of a cervical cup to improve cervical tissue physiology of uterine cervices in vivo for nonpregnant women. 1B: Evaluate the ability of a cervical cup to be safely placed and removed on uterine cervices in vivo for nonpregnant women.

NCT ID: NCT05477381 Recruiting - Preterm Birth Clinical Trials

Cervical Softening and the Prediction of Preterm Birth

STIPP
Start date: August 18, 2022
Phase:
Study type: Observational

Currently, transvaginal cervical length measurement is used to screen in asymptomatic pregnant women with a history of PTB. In symptomatic women, presenting with threatened PTB cervical length in combination with the fibronectin test is used to identify women at high risk to deliver preterm. However, the predictive capacity of transvaginal cervical length measurement is limited. In pregnant women with a history of PTB, it only identifies a proportion of women who will have recurrent PTB. For symptomatic women, 30-60% of these women admitted to the hospital, do not deliver within seven days, leading to overtreatment of these women. Cervical softening is precursor of cervical shortening, effacement and dilatation and therefore cervical softening is a promising new marker that is based on tissue elasticity. However, the predictive value of cervical softening and the relation with spontaneous PTB still has to be determined. With the newly developed Pregnolia® System cervical softness could be measured on a standardized and safe manner. This study could help to improve care for women with a history of spontaneous PTB.

NCT ID: NCT05268640 Recruiting - Clinical trials for Cervical Incompetence

Cervical Occlusion Double-level Stitch Application

COSA
Start date: March 11, 2022
Phase: N/A
Study type: Interventional

Cervical insufficiency is defined as painless dilatation of the cervix during the second trimester of pregnancy. As a result of shortening and opening of the cervix, despite the lack of uterine contractions, the fetal membranes invade into the cervical canal and then into the vagina, which results in premature rupture of the membranes and miscarriage or preterm delivery. Cervical insufficiency occurs in approximately 1% of the women. The aim of the study is to evaluate the effectiveness of placing a double-level cervical cerclage in the treatment of advanced cervical insufficiency. The hypothesis assumes that the insertion of a double-level suture is associated with a reduction in the rate of deliveries < 34 weeks of gestation in comparison to single-level suture. The study will include women with fetal membranes visible through open external os of the cervix between 16+0 and 23+6 weeks. They will be randomized to two arms - McDonald's single cervical cerclage or two-level cerclage.

NCT ID: NCT05220839 Recruiting - Clinical trials for Cervical Insufficiency

Relation of the Area of Cerclage With Preterm Birth

Start date: January 21, 2022
Phase:
Study type: Observational

This study is planned prospectively in pregnancies who applied to Etlik Zübeyde Hanım Women's Health Care, Training and Research Hospital which is a teritiary hospital with 15.000 births anually, between January 2022 and January 2023. Cerclage treatment will be performed with the McDonald technique (the type of cerclage suture will be mersilene) between the 16-23 weeks of gestation in pregnant women with a diagnosis of cervical insufficiency based on the history , physical examination or ultrasound findings according to ACOG. The investigators will measure cerclage area after cerclage treatment (within 0-4 weeks) and different parameters besides it by transvaginal ultrasound. It will be whether the collected data is related to the incidence of preterm birth.

NCT ID: NCT05132829 Recruiting - Preterm Birth Clinical Trials

Azithromycin to Improve Latency in Exam Indicated Cerclage Control Trial

ALEC
Start date: December 20, 2021
Phase: Phase 4
Study type: Interventional

Azithromycin is an antibiotic that is effective against bacteria that been associated with preterm birth (PTB). The purpose of this study is to evaluate if the addition of azithromycin prior to exam indicated cerclage prolongs gestation. A cerclage is a suture placed in the cervix to prolong gestation.

NCT ID: NCT04722536 Completed - Clinical trials for Cervical Insufficiency

Effectiveness of Cervico-isthmic Cerclage

CERCEI LB
Start date: June 13, 2021
Phase:
Study type: Observational

This study compares the rate of live births before and after cervico-isthmic cerclage in 3 hospitals in the last 10 years. The hypothesis is that cerclage significantly increases the rate of live births in women with cervical insufficiency.

NCT ID: NCT04688866 Recruiting - Preterm Birth Clinical Trials

Investigation Into the Microorganisms in Pregnant Women

Start date: June 5, 2012
Phase:
Study type: Observational

Pregnant women with short cervical length (<25 mm) in second-trimester ultrasonographic assessment are at high risk for preterm birth, a major cause of perinatal mortality and morbidity worldwide. Some of these short-cervix women proceed to a more advanced stage manifested as a painless prematurely dilated cervix in the second trimester. It is not fully understood why some women have short cervical length or prematurely dilated cervix (cervical insufficiency), although evidence is mounting that there is an association between short cervical length and infection by microorganisms. The investigators hypothesize that the cervical microorganisms in pregnant women with a shortened or dilated cervix are different, compared with those in women with normal cervical length and a closed cervix.