Clinical trials: Twin; Complicating Pregnancy
Prenatal Disorder, Premature Birth
Develop a Multi-disciplinary Approach for a Personalized Prenatal Diagnostics and Care for Twin Pregnancies
Different screening modalities evaluation to develop algorithms to predict pregnancy complications in twin pregnancies, and evaluation of serologic response to BNT162b2 Pfeizer/BioNTech vaccination.
- Conditions
- Prenatal Disorder, Premature Birth, Twin Pregnancy With Antenatal Problem, Twin; Pregnancy, Affecting Fetus or Newborn
- Trial name
- PRETWINSCREN (NCT04595214)
- Testing
- TTTS cases are treated by intra-uterine laser for separation.
- Where
- 7 sites in Belgium, Canada and 4 more
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Assaf-Harofeh Medical Center
Fetal Conditions, Maternal; Procedure
A Prospective Study on the Role of Karl Storz Curved and Straight Fetoscopes (11508AAK and 11506AAK) for Fetoscopic Intrauterine Procedures
In this research study, the investigators want to learn more about the role of new innovative surgical devices, the Karl Storz Curved and Straight Fetoscopes for in-utero surgery.
- Conditions
- Fetal Conditions, Maternal; Procedure, Pregnancy Related, Twin to Twin Transfusion Syndrome
- Trial name
- NCT06056635
- Testing
- Karl Storz Curved Scope, Karl Storz Straight Scope
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Boston Children's Hospital
Preterm Birth
The Contribution of Internal Maternal Resources to Creation of Motherhood. Comparison Among Mothers to Twins and Singleton
Delivery of twins or preterm infant is a very stressful episode to mothers. The purpose of this study is to characterize maternal psychological resources in dealing with this situation and compare it to mothers giving birth to…
- Trial name
- NCT00353236
- Where
- Israel
- Sponsor
- Sheba Medical Center
Preeclampsia/Toxemia
The Prediction of Preeclampsia/Toxemia in Twin Pregnancy
The purpose of this study is to finout whetere uterinae artery flow , PP13 and endogolin levels in the serum and kongo red in the urine can predict preeclamsia toxemia in twin pregnancies.
- Trial name
- NCT01255202
- Where
- Israel
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Assaf-Harofeh Medical Center
Preterm
Cerclage Plus Progesterone vs Progesterone Alone in Twin Short Cervix
This study aims to compare the effectiveness of cervical cerclage combined with progesterone versus progesterone alone in preventing preterm birth among women with twin pregnancies and a short cervix (cervical length ≤ 30 mm).
- Trial name
- VNTWINC (NCT07372495)
- Testing
- Cervical cerclage, Progesterone
- Where
- 6 sites in Vietnam
- Volunteers
- 260 people
- Sponsor
- National Hospital of Obstetrics and Gynecology
Polycystic Ovary Syndrome
PCOS Twin Study - Environmental Factors in the Development of Polycystic Ovary Syndrome, Phase 2
Polycystic Ovary Syndrome, or PCOS, is the most common endocrine disorder in women. Depending on the strictness of the diagnostic criteria used, it is thought to occur in about 6-10% of all women, many of whom do not know they…
- Trial name
- NCT00444288
- Where
- United States
- Sponsor
- National Institute of Environmental Health Sciences (NIEHS)
Preterm Birth, Twin Dichorionic Diamniotic Placenta
Vaginal Progesterone in Twin With Short Cervix
Aim of the work The aim of this study is to assess the efficacy of the use of vaginal progesterone as a method of prevention of preterm labour in twin gestations with short cervix .
- Trial name
- NCT02697331
- Testing
- Progesterone
- Where
- Egypt
- Volunteers
- 144 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Preterm Birth, Twin Pregnancy With Antenatal Problem
Emergency Cerclage in Twin Pregnancies at Imminent Risk of Preterm Birth: an Open-Label Randomised Controlled Trial
Twin pregnancies are at an increased risk of early delivery. One of the reasons for this may be due to a weakened neck of the womb (cervix). There are 2 main ways to manage a weakened cervix in pregnancy.
- Conditions
- Preterm Birth, Twin Pregnancy With Antenatal Problem, Twin to Twin Transfusion Syndrome
- Trial name
- ENCIRCLE (NCT03818867)
- Testing
- Insertion of cervical cerclage
- Where
- United Kingdom
- Volunteers
- 31 people
- Sponsor
- St George's, University of London
Preterm Delivery, Preterm Birth
fFN & E3 in the Prediction of PTB in Women With Twin Pregnancies Receiving 17OHP or Placebo
Among women with a twin pregnancy, currently enrolled in a study in which they are receiving weekly injections of 17-alpha-hydroxyprogesterone caproate verses placebo injections, fetal fibronectin (fFN) and salivary estriol (E3 )…
- Trial name
- NCT00156000
- Testing
- Fetal Fibronectin, Salivary Estriol
- Where
- 2 sites in United States
- Sponsor
- Obstetrix Medical Group
Twin Pregnancy, Antepartum Condition or Complication, Twin to Twin Transfusion as Antepartum Condition
Multicenter Prospective Cohort Study of Twin Maternal-Child Dyads in China
Multicenter Prospective Cohort Study of Twin Maternal-Child Dyads in China (ChiTwiMC) is supported by National Key Research and Development Program of China - Reproductive Health and Women's and Children's Health Protection…
- Conditions
- Twin Pregnancy, Antepartum Condition or Complication, Twin to Twin Transfusion as Antepartum Condition, Pre-Term, Pre-Eclampsia
- Trial name
- ChiTwiMC (NCT06414655)
- Where
- 11 sites in China
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Peking University Third Hospital
Monochorionic Diamniotic Placenta, Monochorial Monoamniotic Placenta
Database of Monochorionic Pregnancies
The purpose of this study is to collect and analyze data regarding natural history, indications for fetal interventions, and maternal and fetal/neonatal outcomes associated with complicated monochorionic twin pregnancy.
- Conditions
- Monochorionic Diamniotic Placenta, Monochorial Monoamniotic Placenta, Twin; Complicating Pregnancy, Twin to Twin Transfusion Syndrome
- Trial name
- NCT05543499
- Where
- United States
- Volunteers
- 1,200 people
- Sponsor
- University of Miami
Twin Pregnancy, Antepartum Condition or Complication, Preterm Birth
Physical Exam Indicated Cerclage in Twin Gestations
This is a multicenter randomized study designed to determine if physical exam indicated cerclage reduces the incidence of spontaneous preterm birth <34 weeks in asymptomatic women with twin gestations and dilated cervix…
- Conditions
- Twin Pregnancy, Antepartum Condition or Complication, Preterm Birth, Cervical Dilation Premature
- Trial name
- TWIN-PEIC (NCT02490384)
- Testing
- Physical exam indicated cerclage
- Where
- 11 sites in United States, Italy and 1 more
- Volunteers
- 30 people
- Sponsor
- Thomas Jefferson University
Preterm Delivery
Prevention of Preterm Delivery in Twin Pregnancies by 17 Alpha-hydroxyprogesterone Caproate
Preterm birth remains a major cause of perinatal morbidity and mortality in developing as well as in developed countries. Despite major clinical research efforts aimed at reducing the incidence of preterm births in the United…
- Trial name
- NCT00141908
- Testing
- 17-alpha Hydroxyprogesterone Caproate, Castor oil
- Where
- Lebanon
- Volunteers
- 290 people, healthy volunteers welcome
- Sponsor
- American University of Beirut Medical Center
Fetal Growth Restriction, Cardiac Remodeling, Ventricular
Speckle Tracking Echocardiography as a Tool for Early Diagnosis of Impaired Fetal Growth Twin Pregnancies
In this project there are 2 time points during the pregnancy included, namely at 21 weeks and 30 weeks of gestation, to measure the predictive values of FGR, strain and strain rate.
- Conditions
- Fetal Growth Restriction, Cardiac Remodeling, Ventricular, Placental Insufficiency, Air Pollution
- Trial name
- HEART (NCT05423665)
- Testing
- sample collection
- Where
- 3 sites in Belgium, Netherlands
- Volunteers
- 360 people
- Sponsor
- University Hospital, Ghent
Pregnancy, Twin
Prospective Twin Pregnancy Cohort at Montpellier University Hospital
This prospective observational cohort study aims to investigate the impact of the maternal and early-life exposome on neonatal and early childhood health outcomes in twin pregnancies followed at University Hospital of Montpellier…
- Trial name
- COGEM (NCT07408973)
- Testing
- Biological samples from the mother, Biological samples from the twins
- Volunteers
- 360 people
- Sponsor
- University Hospital, Montpellier
Speckle Tracking, Fetus Fetus
Speckle Tracking Echocardiography in Infants, Prenatally and Postnatally
Comparison of prenatal and postnatal cardiac function assessed by echocardiography using pulsed wave Doppler, Tissue Doppler and speckle tracking (strain and strain rate) between foetuses/neonates with a structural heart disease…
- Conditions
- Speckle Tracking, Fetus Fetus, Neonate, Structural Heart Disease
- Trial name
- STIPP (NCT05601375)
- Testing
- Echocardiography
- Where
- Netherlands
- Volunteers
- 201 people, healthy volunteers welcome
- Sponsor
- Erasmus Medical Center
Twin; Pregnancy, Affecting Fetus or Newborn, Fetal Growth Retardation
Selective Fetal Growth Restriction in Monochorionic Twins - an International Investigation
Optimal diagnostic management and underlying pathophysiological mechanisms of selective fetal growth restriction (sFGR) in monochorionic diamniotic (MCDA) twin pregnancies have not been fully clarified.
- Conditions
- Twin; Pregnancy, Affecting Fetus or Newborn, Fetal Growth Retardation, Twin Monochorionic Diamniotic Placenta, Twin Diseases
- Trial name
- CONTRAST (NCT05952583)
- Testing
- Ultrasound
- Where
- 6 sites in United States, Belgium and 4 more
- Volunteers
- 274 people
- Sponsor
- Leiden University Medical Center
Absolute Uterine Factor Infertility, Cervical Cancer
Living Donor Uterus Transplantation Between Identical Twins
Living donor uterus transplantation between identical twins, with IVF before and ET several months after transplantation. The donor should have completed childbirth.
- Trial name
- UTx-twin (NCT03138226)
- Testing
- uterus transplantation
- Where
- Sweden
- Volunteers
- 1 people
- Sponsor
- Sahlgrenska University Hospital
Premature Birth
Comparing Double Dose of Vaginal Progesterone to no Treatment for Prevention of Preterm Birth in Twins and Short Cervix
Twin pregnancies are more likely to be delivered preterm than singleton pregnancies. Vaginal progesterone administration (200 mg Utrogestan) to asymptomatic women with a singleton pregnancy and sonographic short cervix reduced…
- Trial name
- NCT02329535
- Testing
- Micronized progesterone
- Where
- 2 sites in Israel
- Volunteers
- 15 people
- Sponsor
- HaEmek Medical Center, Israel
Twin Pregnancy With Antenatal Problem, Preterm Birth
Cerclage for Twins With Short Cervical Length ≤ 15mm
This is a multicenter randomized study designed to determine if ultrasound indicated cerclage reduces the incidence of spontaneous preterm birth <34 weeks in asymptomatic women with twin gestations and cervical length ≤15mm…
- Conditions
- Twin Pregnancy With Antenatal Problem, Preterm Birth, Short Cervix
- Trial name
- TWIN-UIC (NCT03340688)
- Testing
- Cervical cerclage
- Where
- 8 sites in United States, Egypt and 2 more
- Volunteers
- 200 people
- Sponsor
- Thomas Jefferson University