Clinical trials: Discordant Twin
Diabetes, Type 1 Diabetes
Predictive and Protective Factors in the Cause of Diabetes - A Study in Twins
This study, conducted at St. Bartholomew's Hospital, London, England, will determine whether cells passed from mother to offspring during pregnancy increase or decrease the child's risk of developing type 1 diabetes.
- Trial name
- NCT00339781
- Where
- United Kingdom
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- National Institute of Environmental Health Sciences (NIEHS)
Multiple Sclerosis, Clinically Isolated Syndrome
AT RISK FOR MS - Clinical Conversion of Female Monozygotic Twins Discordant for CIS/MS
The definition of the most 'at-risk' population within highly susceptible groups would provide an opportunity for preemptive therapeutics.
- Trial name
- ARMS (NCT00617383)
- Where
- United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center, Houston
Rheumatoid Arthritis, Systemic Lupus Erythematosus
Study of Families With Twins or Siblings Discordant for Rheumatic Disorders
This study will examine families in which one sibling of a sibling pair, or twin pair, has developed a systemic rheumatic disease and one has not, to see if and how the two differ in the following: Blood cell metabolism; Types of…
- Conditions
- Rheumatoid Arthritis, Systemic Lupus Erythematosus, Idiopathic Inflammatory Myopathies
- Trial name
- NCT00055055
- Where
- 3 sites in United States
- Volunteers
- 1,056 people
- Sponsor
- National Institute of Environmental Health Sciences (NIEHS)
Pediatric Central Nervous System Tumor, Central Nervous System Tumor
Somatic Mosaicism in Twins Discordant for Childhood Cancer
Somatic mosaicism in cancer associated genes is one potential explanation for discordance in childhood cancer that has not been fully explored to date.
- Conditions
- Pediatric Central Nervous System Tumor, Central Nervous System Tumor, Discordant Twin, Somatic Mutation
- Trial name
- NCT06054295
- Testing
- Biospecimen collection, Questionnaire Administration
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Children's Oncology Group
Down Syndrome
Genetic and Epigenetic Variations in Heterokaryotypic Monozygotic Twins Discordant for Down Syndrome
Heterokaryotypic monozygotic twins discordant for Down syndrome (DS) are very rare, with an incidence estimated to be less than 1 over 7,000,000 pregnancy in the general population.
- Trial name
- Colibri (NCT05767216)
- Testing
- Biological sampling
- Where
- France
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Institut Jerome Lejeune
Monochorionic Twins, Cerebroplacental Ratio
Role of Cerebroplacental Ratio Discordance at 16-20 Weeks in Predicting Monochorionic Twin Pregnancies' Specific Complications
The purpose of this study is to evaluate the predictive value of CPR discordance at 16-20 weeks in MCDA twin pregnancies in predicting monochorionic-specific complications such as TTTS, TAPS, sFGR and IUFD of one or both fetuses
- Trial name
- CPR (NCT06935422)
- Testing
- Ultrasound
- Where
- Egypt
- Volunteers
- 55 people
- Sponsor
- Ain Shams Maternity Hospital
Twin; Pregnancy, Affecting Fetus or Newborn
Birth Weight-discordance in Twins Pregnancy: a Multicenter Retrospective Study
The rate of twin pregnancies in China has increased by 50 percent over the past decade and now stands at about 3 percent. This is significantly higher than the European and American countries.
- Trial name
- NCT05674214
- Where
- China
- Volunteers
- 13,440 people, healthy volunteers welcome
- Sponsor
- The Third Affiliated Hospital of Guangzhou Medical University