Clinical trials: Twin Diseases
Influenza
T-cell And General Immune Response to Seasonal Influenza Vaccine (SLVP018) - Year 1, 2009
This study will compare influenza vaccine responses in monozygotic and dizygotic twins.
- Trial name
- NCT01987349
- Testing
- Fluzone® (intramuscular), FluMist® (intranasal)
- Where
- United States
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Stanford University
Obesity, Gliosis, Weight-Loss
A Cohort Study of Weight Loss and Gliosis
Patients and clinicians need better options to prevent the weight regain that almost universally follows a weight loss intervention. In lay terms, a new, higher "set point" seems to occur after people gain weight.
- Trial name
- NCT03578887
- Testing
- Behavioral Weight Loss Program, Roux-en-Y Gastric Bypass or Sleeve Gastrectomy
- Where
- United States
- Volunteers
- 112 people, healthy volunteers welcome
- Sponsor
- University of Washington
Influenza
T-cell And General Immune Response to Seasonal Influenza Vaccine (SLVP018) Year 4, 2012
This study will investigate markers, mechanisms and define general predictors for immunological health by comparing influenza vaccine responses in monozygotic and dizygotic twins.
- Trial name
- NCT03022435
- Testing
- TIV, High-Dose TIV, LAIV
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Stanford University
Influenza
Adaptive Immune Responses and Repertoire in Influenza Vaccination and Infection (SLVP031)
The purpose of this study is provide a better understanding of the adaptive immune response to the licensed flu vaccines. The investigators hope the information learned from this study will help identify and describe important…
- Trial name
- NCT03028987
- Testing
- Fluzone®, FluMist®
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Stanford University
Preterm Birth
17OHP for Reduction of Neonatal Morbidity Due to Preterm Birth (PTB) in Twin and Triplet Pregnancies
Hypothesis: Among women with twin or triplet pregnancies, weekly injections of 17-alpha-hydroxyprogesterone caproate (17OHP), started before 24 weeks of gestation, will reduce neonatal morbidity by reducing the rate of preterm…
- Trial name
- 170HP (NCT00163020)
- Testing
- 17-alpha-hydroxyprogesterone caproate injectable
- Where
- 18 sites in United States
- Volunteers
- 321 people
- Sponsor
- Obstetrix Medical Group
PTSD, Stress Disorders, Post-Traumatic
Memory and the Hippocampus in Twins
The purpose of this project is to measure brain markers and cognitive factors in twins with a history of military service with and without PTSD, and to follow them over time and measure changes in brain function and cognitive…
- Trial name
- NCT00638885
- Where
- United States
- Volunteers
- 142 people
- Sponsor
- US Department of Veterans Affairs
Premature Birth, Short Cervix
Prevention of Preterm Birth With a Pessary in Twin Gestations
Preterm birth (PTB) is a major health problem and contributes to more than 50% of the overall perinatal mortality. Twins are at increased risk for PTB.
- Trial name
- PoPPT (NCT02056639)
- Testing
- Bioteque cup pessary
- Where
- 3 sites in United States
- Volunteers
- 46 people
- Sponsor
- University of Pennsylvania
Influenza
B-cell Immunity to Influenza (SLVP017) - Years 2 (2010) & 3 (2011)
In this exploratory study, investigators will be looking at immune response differences between age groups and between the two different influenza vaccines given to identical twins, vaccine-naive young adults and elderly…
- Trial name
- NCT03020498
- Testing
- Fluzone, FluMist
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- Stanford University
Influenza
B-cell Immunity to Influenza (SLVP017)- Year 1, 2009
This is an exploratory study using a strategy that has not been previously employed to investigate the effects of age and vaccine type on specific kinds of immune responses to licensed, seasonal 2009-2010 influenza vaccines in…
- Trial name
- NCT02133781
- Testing
- Fluzone® 2009-2010 Formula, FluMist® 2009-2010 Formula
- Where
- United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- Stanford University
Influenza
T-cell And General Immune Response to Seasonal Influenza Vaccine (SLVP018) Year 2, 2010
This study will investigate response to influenza vaccines in monozygotic and dizygotic twins of different ages.
- Trial name
- NCT03022396
- Testing
- High Dose Fluzone® (intramuscular), Fluzone® (intramuscular)
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Stanford University
Herpes Zoster
T Cell Responses to Varicella Zoster Virus (VZV) Vaccine SLVP020
In this study the investigators are trying to identify immune signatures that are associated with effective or poor vaccine responses to naturally-acquired herpes zoster virus and the zoster (shingles) vaccine, Zostavax.
- Trial name
- NCT01911065
- Testing
- Zostavax™
- Where
- United States
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Stanford University
Influenza
The Effects of Attenuated Versus Inactivated Flu Vaccine in Twin Sets
This is one project of a larger ongoing study related to the immune system's response to the flu virus. This study is designed to investigate the immune response to the live attenuated influenza vaccine (LAIV) vs.
- Trial name
- FLU-TW (NCT03898986)
- Testing
- Live attenuated influenza vaccine (LAIV4), Inactivated Influenza Vaccine (IIV4)
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Stanford University
Intrauterine Growth Retardation
Randomized Clinical Trial: Expectant Management vs Laser Treatment of Monochorionic Twins With Severe Selective Intrauterine Growth Retardation and Absent or Reverse Diastolic Flow in the Umbilical Artery
Intrauterine growth retardation (IUGR) occurs in approximately 3 to 10% of singleton pregnancies, in 9.1% of all twins and 9.9% of monochorionic twins.
- Trial name
- NCT01177553
- Testing
- selective laser photocoagulation of communicating vessels, Expected Management
- Where
- 2 sites in United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- University of South Florida
Twin; Complicating Pregnancy, Postpartum Hemorrhage
Prophylactic Methylergonovine for Twin Cesarean
Obstetrical hemorrhage (excessive bleeding related to pregnancy) is a leading cause of maternal morbidity (disease or symptom of disease) and mortality (death) worldwide with a significantly higher frequency and severity…
- Trial name
- NCT05772156
- Testing
- Methylergonovine
- Where
- United States
- Volunteers
- 66 people
- Sponsor
- Columbia University
Infections, Rotavirus
A Study to Explore the Existence of Horizontal Transmission of the RIX4414 Vaccine Strain Between Twins Within a Family.
The aim of this study is to explore horizontal transmission of the HRV (Human Rotavirus) vaccine strain within a family from the twin vaccinated with Rotarix to the twin receiving placebo.
- Trial name
- NCT00396630
- Testing
- Rotarix
- Where
- Dominican Republic
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Breast Cancer
Internal Radiation Therapy After Lumpectomy in Treating Women With Ductal Carcinoma in Situ
RATIONALE: Internal radiation uses radioactive material placed directly into or near a tumor to kill tumor cells. Giving internal radiation therapy using a special radiation therapy device may kill any tumor cells that remain…
- Trial name
- NCT00290654
- Testing
- Tamoxifen, Lumpectomy, brachytherapy
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- Masonic Cancer Center, University of Minnesota
Influenza
T-cell And General Immune Response to Seasonal Influenza Vaccine (SLVP018) Year 3, 2011
This study will investigate markers, mechanisms and define general predictors for immunological health by comparing influenza vaccine responses in monozygotic and dizygotic twins.
- Trial name
- NCT03022422
- Testing
- TIV, High-Dose TIV
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Stanford University
Influenza
T-cell And General Immune Response to Seasonal Influenza Vaccine (SLVP018) Year 5, 2013
This study will investigate markers, mechanisms and define general predictors for immunological health by comparing influenza vaccine responses in monozygotic and dizygotic twins.
- Trial name
- NCT03023176
- Testing
- Fluzone® standard IIV3, Fluzone® standard IIV3 Pediatric Dose
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Stanford University