Clinical trials: Twin to Twin Transfusion Syndrome
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 Dichorionic Diamniotic Placenta, Twin Monochorionic Monoamniotic Placenta
Austrian Registry on the Outcome of Monochorionic Pregnancies
About one third of twin pregnancies are resulting from a single fertilized oocyte. Two third of these monozygotic twins share a common placenta and are therefore called monochorionic.
- Conditions
- Twin Dichorionic Diamniotic Placenta, Twin Monochorionic Monoamniotic Placenta, Twin-To-Twin Transfusion Syndrome, Twin Pregnancy With Antenatal Problem
- Trial name
- MonoReg (NCT03171909)
- Where
- 13 sites in Austria
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Medical University of Graz
TTTS
Neonatal Outcome for Laser Coagulation in Twin-to-twin-transfusion Syndrome
Twin-twin transfusion syndrome is one of the most severe complication in monochorionic twin pregnancies and can cause severe impairment of fetal and neonatal outcome.
- Trial name
- NCT03151915
- Where
- Germany
- Volunteers
- 100 people
- Sponsor
- Michael Tchirikov MD, PhD
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
Twin to Twin Transfusion Syndrome, Twin Anemia-Polycythemia Sequence
Evaluation of Laparotomy With Trans-Amniotic Suture Placement in TTTS Surgery
This is a randomized trial for patients that are diagnosed with Twin-Twin Transfusion Syndrome (TTTS) who are receiving a fetoscopic laser surgery to evaluate the effectiveness and safety of a laparotomy closure.
- Trial name
- TTTS TAPS (NCT06991400)
- Testing
- Trans-Amniotic Suture Placement
- Where
- United States
- Volunteers
- 34 people
- Sponsor
- Children's Hospital Medical Center, Cincinnati
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
Premature Birth
The Trial of Pessary After Laser for TTTS
Placing a cervical pessary in severe twin-to-twin transfusion syndrome (TTTS) cases treated by fetoscopic laser coagulation (FLC) decreases the spontaneous preterm birth rate.
- Trial name
- PECEPLASER (NCT01334489)
- Testing
- Arabin Cervical Pessary
- Where
- 4 sites in Belgium, Germany and 1 more
- Volunteers
- 352 people
- Sponsor
- Hospital Universitari Vall d'Hebron Research Institute
Twin to Twin Transfusion as Antepartum Condition, Monochorionic Diamniotic Placenta
Laser Photocoagulation of Communicating Vessels in Twin-to-Twin Transfusion Syndrome
The purpose of this study is to evaluate the use of diode laser photocoagulation of the communicating vessels in twin-to- twin transfusion syndrome (TTTS) with respect to maternal, fetal and neonatal outcomes.
- Trial name
- NCT05008744
- Testing
- Fetoscopic laser ablation
- Where
- 2 sites in United States
- Volunteers
- 2,000 people
- Sponsor
- Seattle Children's Hospital
Twin Pregnancy, Monochorionic, Pregnancy Followed
Ductus Venosus Doppler at 16 Weeks in Monochorial Pregnancy
Studies shows that the realization of the Ductus venosus Doppler may improve the screening of the twin-twin transfusion syndrome.
- Trial name
- DVSTT (NCT03579069)
- Testing
- Ductus venosus Doppler
- Where
- France
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University Hospital, Montpellier
Twin to Twin Transfusion Syndrome
Monochorial-diamniotic Pregnancies Complicated With a Twin-to-twin Syndrome
The twin pregnancies monochorionic are specifically explained to two main types of complications: the anomalies of the embryo affecting a symmetry and in particular the median line on one hand and malformative sequences of…
- Trial name
- STT (NCT02611856)
- Where
- France
- Volunteers
- 179 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Twin to Twin Transfusion
The Effect of Uterine Entry In Fetoscopic Laser Photocoagulation for Twin-To-Twin Transfusion Syndrome
The purpose of this study is to evaluate whether the entry technique surgeons use to get inside the uterus to perform fetoscopic laser photocoagulation for twin-to-twin transfusion syndrome has an effect on the rates of…
- Trial name
- NCT06829901
- Testing
- Fetoscopic Laser Photocoagulation
- Where
- United States
- Volunteers
- 216 people
- Sponsor
- Baylor College of Medicine
Twin to Twin Transfusion Syndrome, Pregnancy Complications
Clinical Utility of the Addition of a SNP-based NIPT Zygosity Determination in Twin Pregnancy Management.
The ZTWINS registry study is an observational, prospective, multi-center study observing women carrying a twin pregnancy who receive snp-based non-invasive prenatal screening and zygosity assessment as part of their medical care.
- Conditions
- Twin to Twin Transfusion Syndrome, Pregnancy Complications, Multiple Gestation; Maternal Care
- Trial name
- ZTWINS (NCT05312814)
- Where
- 8 sites in United States
- Volunteers
- 137 people
- Sponsor
- Natera, Inc.
Twin to Twin Transfusion Syndrome
Laser Photocoagulation in Twin to Twin Transfusion Syndrome
Humanitarian use device (HUD): Use of the fetoscopy instrument sets for selective laser photocoagulation in the treatment of Twin to Twin Transfusion Syndrome (TTTS).
- Trial name
- TTTS (NCT02506049)
- Testing
- S-LPC:Selective Laser Photocoagulation
- Where
- 2 sites in United States
- Volunteers
- 1 people
- Sponsor
- University of Tennessee
Hypoxic-Ischemic Encephalopathy, Sepsis
Continous Renal Replacement Therapy With the CARPEDIEM® in a French National Cohort of 25 Neonates and Small Infants
Historically, CKRT and hemodialysis were performed in small infants and newborns with devices developed for adults with high rates of complications and mortality.
- Conditions
- Hypoxic-Ischemic Encephalopathy, Sepsis, Kidney Diseases, Metabolic Disease
- Trial name
- NCT05495607
- Testing
- CARPEDIEN
- Where
- France
- Volunteers
- 25 people
- Sponsor
- Centre Hospitalier Universitaire de Nice
Twin to Twin Transfusion Syndrome
The Efficacy of the KARL STORZ Curved Fetoscope and Straight Fetoscope for Laser Photocoagulation of Placental Anastomoses
The purpose of this study is to evaluate the efficacy of KARL STORZ curved fetoscope (11508AAK) and its straight version (11506AAK) for laser photocoagulation of placental anastomoses in patients with an anterior placenta and…
- Trial name
- NCT06084247
- Testing
- Curved KARL STORZ fetoscope, Conventional Scopes
- Where
- United States
- Volunteers
- 160 people
- Sponsor
- Jimmy Espinoza
Twin to Twin Transfusion Syndrome
Fetoscopic Selective Laser Photocoagulation in Twin-Twin Transfusion Syndrome
This is a study to compare two treatments (amnioreduction vs. selective fetoscopic laser photocoagulation [SFLP]) in patients with severe twin to twin transfusion syndrome.
- Trial name
- NCT00345852
- Testing
- Fetoscopic Selective Laser Photocoagulation
- Where
- 12 sites in United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Twin to Twin Transfusion Syndrome, Congenital Diaphragmatic Hernia
Automated Myocardial Performance Index Using Samsung HERA W10
Researchers are using Myocardial performance index (MPI) to assess fetal cardiac function before, during, and after fetal surgery in order to gain more knowledge about fetal cardiac function in high risk pregnancies and the…
- Conditions
- Twin to Twin Transfusion Syndrome, Congenital Diaphragmatic Hernia, Neural Tube Defects, Lower Urinary Tract Infection
- Trial name
- NCT04140669
- Testing
- Automated Myocardial Performance Index (MPI)
- Where
- United States
- Volunteers
- 7 people
- Sponsor
- Mayo Clinic
Fetofetal Transfusion
The Utility of MRI Scoring to Predict Neurodevelopmental Outcomes in Survivors of Twin-to-Twin Transfusion Syndrome
Twins who share a placenta but have two separate sacs of amniotic fluid (monochorionic-diamniotic) are at risk of developing twin-to-twin transfusion syndrome (TTTS).
- Trial name
- NCT02249624
- Where
- United States
- Volunteers
- 51 people
- Sponsor
- Catherine Cibulskis, MD