Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 27, 2026, 6:53 AM EDT

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

Showing 1–24 of 75 matching trials from the live ClinicalTrials.gov search.
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
Conditions
Liver Disease
Interventions
Not listed
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 100 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2021
U.S. locations
1
States / cities
San Diego, California
Completed Not applicable Interventional Accepts healthy volunteers

Twins Nutrition Study (TwiNS): Vegan vs. Omnivore

NCT05297825
Conditions
Lipid Metabolism, Glucose Intolerance, Weight Change, Body, Microbiome, Inflammation, Immune Function
Interventions
Vegan diet, Omnivore diet
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Stanford, California
Conditions
Polycystic Ovary Syndrome
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Preterm Delivery, Preterm Birth
Interventions
Fetal Fibronectin, Salivary Estriol
Device
Lead sponsor
Obstetrix Medical Group
Industry
Eligibility
18 Years to 60 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
2
States / cities
Mesa, Arizona • Phoenix, Arizona
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
Active, not recruiting No phase listed Observational

Database of Monochorionic Pregnancies

NCT05543499
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
Completed Not applicable Interventional Accepts healthy volunteers

Sequential vs. Standard Laser Treatment of Twin-twin Transfusion Syndrome

NCT02122328
Conditions
Twin Twin Transfusion Syndrome
Interventions
Sequential laser photocoagulation of communicating vessels., Selective laser photocoagulation of communicating vessels
Procedure
Lead sponsor
University of Southern California
Other
Eligibility
16 Years to 55 Years · Female only
Enrollment
642 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Twin Pregnancy, Antepartum Condition or Complication, Preterm Birth, Cervical Dilation Premature
Interventions
Physical exam indicated cerclage
Procedure
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
7
States / cities
Washington D.C., District of Columbia • Albany, New York • New York, New York + 4 more
Conditions
Acquired Immunodeficiency Syndrome, HIV Infection
Interventions
Interleukin-2
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1994 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
HIV Infections
Interventions
HIV-1 DNA plasmid vaccine, HIV-1 recombinant Ad5 vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2016
U.S. locations
2
States / cities
Boston, Massachusetts • Seattle, Washington
Conditions
Cannabis
Interventions
Contingency management
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
31 Years to 47 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Twin; Pregnancy, Affecting Fetus or Newborn, Fetal Growth Retardation, Twin Monochorionic Diamniotic Placenta, Twin Diseases
Interventions
Ultrasound
Diagnostic Test
Lead sponsor
Leiden University Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Herpesviridae Infection, HTLV-I Infection, Multiple Sclerosis, Tropical Spastic Paraparesis, Vasculitis
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 75 Years
Enrollment
1,388 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1976 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Rheumatoid Arthritis, Systemic Lupus Erythematosus, Idiopathic Inflammatory Myopathies
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
2 Years and older
Enrollment
1,056 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
3
States / cities
Bethesda, Maryland • Research Triangle Park, North Carolina • Madison, Wisconsin
Conditions
Acquired Immunodeficiency Syndrome, HIV Infection, Kaposi's Sarcoma
Interventions
Syngeneic Lymphocytes (CD4+) Cultured with OKT3 (Ortho) and Interleukin-2 (Chiro
Drug
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
Not listed
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Completed No phase listed Observational Accepts healthy volunteers

Genetic Influences Between Cognitive Function and BMI

NCT03116334
Conditions
Obesity
Interventions
Not listed
Lead sponsor
Baylor College of Medicine
Other
Eligibility
7 Years to 15 Years
Enrollment
869 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
Houston, Texas
Conditions
Twin Pregnancy With Antenatal Problem, Preterm Birth, Short Cervix
Interventions
Cervical cerclage
Procedure
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Philadelphia, Pennsylvania • Austin, Texas
Conditions
Type 2 Diabetes, Insulin Dependent Diabetes
Interventions
Not listed
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Not yet recruiting No phase listed Observational

TDAP in Burn Patients (Group 2)

NCT07223684
Conditions
Sepsis, Burn Injury, Wound Healing, Critical Illness, Multiple Organ Dysfunction Syndrome
Interventions
Observational Cohort (No Intervention)
Other
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
18 Years to 80 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
3
States / cities
Tampa, Florida • Atlanta, Georgia • Houston, Texas
Conditions
Acquired Immunodeficiency Syndrome, HIV Infection
Interventions
White blood cell infusion
Procedure
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Preterm Birth
Interventions
17-alpha-hydroxyprogesterone caproate injectable, Placebo
Drug
Lead sponsor
Obstetrix Medical Group
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
321 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
18
States / cities
Phoenix, Arizona • Tucson, Arizona • Laguna Hills, California + 13 more
Completed No phase listed Observational Accepts healthy volunteers

Brain Regulation of Appetite in Twins

NCT02483663
Conditions
Obesity, Appetite
Interventions
Functional Magnetic Resonance Imaging, Dual Energy X-ray absorptiometry, Questionnaires, Mood and Appetite Ratings, Test Meals, Computer Tests, Intravenous Catheter (IV) placement
Device · Radiation · Other + 1 more
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 50 Years
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Vanishing Twin, Trisomy 21, Trisomy 13, Trisomy 18
Interventions
Not listed
Lead sponsor
Natera, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
21
States / cities
Los Angeles, California • Palo Alto, California • Aurora, Colorado + 15 more