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ClinicalTrials.gov public records Last synced May 21, 2026, 7:45 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–11 of 11 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Twin to Twin Transfusion Syndrome Clear all
Recruiting Not applicable Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced May 21, 2026, 7:45 PM EDT
Recruiting No phase listed Observational
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 18, 2024 · Synced May 21, 2026, 7:45 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Twin to Twin Transfusion Syndrome, Twin Anemia-Polycythemia Sequence
Interventions
Trans-Amniotic Suture Placement
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
18 Years and older · Female only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated May 27, 2025 · Synced May 21, 2026, 7:45 PM EDT
Terminated No phase listed Observational
View directory record Official record
Conditions
Twin to Twin Transfusion Syndrome, Congenital Diaphragmatic Hernia, Neural Tube Defects, Lower Urinary Tract Infection
Interventions
Automated Myocardial Performance Index (MPI)
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 12, 2022 · Synced May 21, 2026, 7:45 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Twin to Twin Transfusion Syndrome
Interventions
S-LPC:Selective Laser Photocoagulation
Device
Lead sponsor
University of Tennessee
Other
Eligibility
16 Weeks to 27 Weeks · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2020
U.S. locations
2
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 12, 2020 · Synced May 21, 2026, 7:45 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Twin to Twin Transfusion Syndrome
Interventions
Fetoscopic Selective Laser Photocoagulation
Procedure
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years and older · Female only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2007
U.S. locations
12
States / cities
San Francisco, California • Evanston, Illinois • New York, New York + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2007 · Synced May 21, 2026, 7:45 PM EDT
Not yet recruiting Not applicable Interventional
View directory record Official record
Conditions
Twin to Twin Transfusion Syndrome
Interventions
Curved KARL STORZ fetoscope, Conventional Scopes
Device
Lead sponsor
Jimmy Espinoza
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 13, 2025 · Synced May 21, 2026, 7:45 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Twin to Twin Transfusion
Interventions
Fetoscopic Laser Photocoagulation
Procedure
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced May 21, 2026, 7:45 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Fetofetal Transfusion
Interventions
Not listed
Lead sponsor
Catherine Cibulskis, MD
Other
Eligibility
Up to 3 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 23, 2024 · Synced May 21, 2026, 7:45 PM EDT
Active, not recruiting No phase listed Observational
View directory record Official record
Conditions
Monochorionic Diamniotic Placenta, Monochorial Monoamniotic Placenta, Twin; Complicating Pregnancy, Twin to Twin Transfusion Syndrome, Twin Reversal Arterial Perfusion Syndrome
Interventions
Not listed
Lead sponsor
University of Miami
Other
Eligibility
Not listed
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced May 21, 2026, 7:45 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Twin to Twin Transfusion Syndrome, Pregnancy Complications, Multiple Gestation; Maternal Care
Interventions
Not listed
Lead sponsor
Natera, Inc.
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
8
States / cities
San Diego, California • Aurora, Colorado • Annapolis, Maryland + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2024 · Synced May 21, 2026, 7:45 PM EDT