Clinical trials: Twin; Pregnancy, Affecting Fetus or Newborn
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
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
Twin; Pregnancy, Affecting Fetus or Newborn
Effect of Cervical Cerclage With Vaginal Progesterone in Asymptomatic Twin Pregnancies With a Sonographic Short Cervix
The objective of the present study is to evaluate the effectiveness of vaginal progesterone and cervical cerclage each alone and in combination in improving gestational age in twin pregnancy and its subsequent impact on perinatal…
- Trial name
- NCT03781466
- Testing
- Cervical cerclage, vaginal progesterone
- Where
- Egypt
- Volunteers
- 300 people
- Sponsor
- Aswan University Hospital
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
Preterm Birth, Preterm Labor
Is the Vaginal Microbiome and Metabolome Associated With Spontaneous Preterm Birth (sPTB) in Multiple Pregnancies?
The aim of this study is to try and find links between the microscopic organisms (such as bacteria, yeasts and viruses) in the vagina, and twin pregnancies that deliver too early (preterm birth).
- Conditions
- Preterm Birth, Preterm Labor, Multiple; Pregnancy, Complicated, Twin Dichorionic Diamniotic Placenta
- Trial name
- SPRUCE (NCT06053697)
- Where
- United Kingdom
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University of Liverpool
Twin; Pregnancy, Affecting Fetus or Newborn
Role of 200 mg Versus 400mg Vaginal Progesterone in Prevention of Preterm Labor in Twin Gestation
The objective of the present study is to evaluate the effectiveness of two doses of vaginal progesterone(200mg versus400mg) and placebo in improving gestational age in twin pregnancy and its subsequent impact on perinatal outcome.
- Trial name
- NCT03781674
- Testing
- progesterone 400mg, progesterone 200mg
- Where
- Egypt
- Volunteers
- 200 people
- Sponsor
- Aswan University Hospital
Twin; Pregnancy, Affecting Fetus or Newborn
Birth Weight-discordance in Twins Pregnancy: a Multicenter Retrospective Study
The rate of twin pregnancies in China has increased by 50 percent over the past decade and now stands at about 3 percent. This is significantly higher than the European and American countries.
- Trial name
- NCT05674214
- Where
- China
- Volunteers
- 13,440 people, healthy volunteers welcome
- Sponsor
- The Third Affiliated Hospital of Guangzhou Medical University