- Conditions
- Fetal Conditions, Maternal; Procedure, Pregnancy Related, Twin to Twin Transfusion Syndrome, In Utero Procedure Affecting Fetus or Newborn, Chorion; Abnormal, Twin Reversal Arterial Perfusion Syndrome, Twin Monochorionic Monoamniotic Placenta, Chorioangioma, Vasa Previa
- Interventions
- Karl Storz Curved Scope, Karl Storz Straight Scope
- Device
- Lead sponsor
- Boston Children's Hospital
- Other
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
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- Conditions
- Twin Reversal Arterial Perfusion Syndrome
- Interventions
- Early selective reduction of TRAP mass, Late selective reduction of TRAP mass, Ultrasound-guided intrafetal ablation using a 18 to 20 Gauge needle, Ultrasound-guided intrafetal ablation using a 17 to 20 Gauge needle, Laser coagulation of the cord or anastomising vessels through a 17 Gauge to 7 French trocar, with a 1-1,3 mm fetoscope and a 400 µm laser fiber
- Procedure · Device
- Lead sponsor
- Universitaire Ziekenhuizen KU Leuven
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 126 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2025
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Twin Anemia Polycythemia Sequence
- Interventions
- Fetoscopic Laser Surgery, Standard Treatment
- Procedure · Other
- Lead sponsor
- Leiden University Medical Center
- Other
- Eligibility
- 18 Years to 50 Years · Female only
- Enrollment
- 44 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2024
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Vasa Previa, Pregnancy Complications, Maternal; Procedure, In Utero Procedure Affecting Fetus or Newborn
- Interventions
- Fetoscopic Laser Photocoagulation
- Device
- Lead sponsor
- Boston Children's Hospital
- Other
- Eligibility
- 18 Years to 55 Years · Female only
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2028
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Twin to Twin Transfusion as Antepartum Condition, Monochorionic Diamniotic Placenta
- Interventions
- Fetoscopic laser ablation
- Procedure
- Lead sponsor
- Seattle Children's Hospital
- Other
- Eligibility
- Female only
- Enrollment
- 2,000 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2031
- U.S. locations
- 2
- States / cities
- Seattle, Washington