Clinical Trials About "Twin study finds genetics affects where children look" RSS

06:42 EST 17th January 2019 | BioPortfolio

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Showing "Twin study finds genetics affects where children look" Clinical Trials 1–25 of 13,000+


Effects of ACS in Twin With LPB: Study Protocol for a RCT

This study will be the first study that evaluates the effectiveness of antenatal corticosteroid (ACS) in late preterm twin neonates.

The Twin Birth Study: A Trial Comparing Planned Vaginal Birth to Elective Caesarean Section of Twins

For twin pregnancies at 32-38 weeks gestation, where twin A is head down, does a policy of planned caesarean section (CS) lower the likelihood of death or serious illness, during the first 28 days after birth, compared to a plan for vaginal birth (VB)?

Monochorial-diamniotic Pregnancies Complicated With a Twin-to-twin Syndrome

The twin pregnancies monochorionic are specifically explained to two main types of complications: the anomalies of the embryo affecting a symmetry and in particular the median line on one hand and malformative sequences of vascular origin on the other hand. This last category of anomalies (twin-to-twin syndrome, TTTS) develops because of the presence of a division of the foeto-placentary circulation between both twins through the pooling of certain placentary cotyledons. The la...

Laser Photocoagulation in Twin to Twin Transfusion Syndrome

Humanitarian use device (HUD): Use of the fetoscopy instrument sets for selective laser photocoagulation in the treatment of Twin to Twin Transfusion Syndrome (TTTS).

Neonatal Outcome for Laser Coagulation in Twin-to-twin-transfusion Syndrome

Twin-twin transfusion syndrome is one of the most severe complication in monochorionic twin pregnancies and can cause severe impairment of fetal and neonatal outcome. In severe TTTS the fetoscopic laser coagulation is the treatment of choice. Fetoscopic laser coagulation is associated with a morbidity and mortality due to iatronic rupture of membranes as well as iatrogenic placenta insufficiency. This can cause preterm delivery as well as intrauterine fetal demise. An adaption ...

Ductus Venosus Doppler at 16 Weeks in Monochorial Pregnancy

Studies shows that the realization of the Ductus venosus Doppler may improve the screening of the twin-twin transfusion syndrome. In this study, we want to compare the outcome of monochorial pregnancy when this Doppler was performed during the ultrasound at16 weeks, and when it wasn't. In order to do that, we will compile past reports (January 2015/ January 2018) of all monochorial pregnancy handled in the hospital of Montpellier and Kremlin Bicêtre. We will establish if the D...

Fetoscopic Selective Laser Photocoagulation in Twin-Twin Transfusion Syndrome

This is a study to compare two treatments (amnioreduction vs. selective fetoscopic laser photocoagulation [SFLP]) in patients with severe twin to twin transfusion syndrome.

Characterization of the Facial and Gut Microbiome in Rosacea

Questionnaires will be completed by each member of the twin set. A board-certified dermatologist will examine each member to categorize the type and severity of their rosacea. The facial and gut microbiome will be sampled and sent for microbial analysis.

Genetics Education: Preparing Physicians for the Future

This study examines the best way to teach genetics to family medicine residents. First year family medicine residents at the University of Toronto will be taught basic clinical genetics as well as a specific disease in genetics via 3 different educational methods. All participants will undergo an oral examination and written knowledge test 3 months after this education. Results between groups will be compared, and the best way to teach genetics to residents determined.

Diagnosis and Intervention of Complicated Twin Diseases

Fetal medicine in China is still a new, young discipline, and the development is very rapid. After nearly 10 years of development, the clinical diagnosis and treatment guidelines of some complicated twin diseases has been established , but they are still needed to be improved. Through this study, the investigators expect to achieve better prediction indicators and early intrauterine precise diagnosis of complicated twin diseases. Also, better procedures of implementing effectiv...

Effect of Modified Twin Block in Skeletal Class II Growing Females With Mandibular Deficiency

The aim of this study is to evaluate the treatment effects of conventional twin block appliance versus modified twin block appliance in the treatment of patients in growing stage having skeletal class II division 1 with mandibular deficiency.

Study of Metformin Pharmacogenetics in Twins

The trough concentration of metformin will be examined in monozygotic and dizygotic twins. Current twin study will determine the total weight of genetics on the trough concentration of metformin.

Life Quality Study for PFAPA Patient

This cohort study aims to assess the quality of life (or welfare) related to the health of children and adolescents with an non genetics auto-inflammatory disease PFAPA or Marshall syndrome to compare it to children or adolescents with recurrent fever genetics of Familial Mediterranean fever (FMF) in order to improve their overall care.

Effect of Cervical Cerclage With Vaginal Progesterone in Asymptomatic Twin Pregnancies With a Sonographic Short Cervix

The objective of the present study is to evaluate the effectiveness of vaginal progesterone and cervical cerclage each alone and in combination in improving gestational age in twin pregnancy and its subsequent impact on perinatal outcome.

Outcomes in Spontaneous and ART Twin Pregnancies

During the last decades, assisted reproductive technique has been transformed from a miracle to real and has become widely used for treatment human infertility. this was associated with increased the rate of twin pregnancies

Conjoined Twins: a Report of Four Cases.

The present study aims to report our experience in conjoined twin separation surgery in Assuit university and pediatric hospital, Assiut university, Assiut, Egypt over a period of 20 years.

Effect of Treatment Dairy for Spasticity

1. Assessing whether the treatment diary can help optimize the overall treatment of patients. 2. To assess whether the patient finds the treatment diary useful and worth spending time on. Also if the patient finds it easier to evaluate the treatment and, if necessary, set new goals. 3. To assess whether the patient's quality of life is increased by the use of the treatment diary.

Role of 200 mg Versus 400mg Vaginal Progesterone in Prevention of Preterm Labor in Twin Gestation

The objective of the present study is to evaluate the effectiveness of two doses of vaginal progesterone(200mg versus400mg) and placebo in improving gestational age in twin pregnancy and its subsequent impact on perinatal outcome.

Vietnam Era Twin (VET) Registry

To conduct a baseline survey on cardiovascular, respiratory, and other major systemic disease and risk factors in members of the Vietnam Era Twin Registry.

The Genetics of Dilated Cardiomyopathy: A Quebec-Based Study

Dilated cardiomyopathy (DCM) affects about 200,000 Canadians. Eighty percent of these cases are of unclear cause, often occuring in families. We believe that mutations in specific already-identified genes contribute to DCM in Quebec and that certain mutations may account for a significant proportion of cases due to the well-documented "founder effect". Two hundred patients with DCM followed in our Heart Function Clinic will be approached for one blood sample at their routine...

Experiences of Genetics Patients With Visible Abnormalities Who Facilitate Teaching in Genetics Clinics

This study will describe the experience of patients with visible physical abnormalities in the genetics clinic when they are involved in teaching others about their condition. Information from this study may be used to enhance educational experiences in genetics clinics. Patients 18 years of age and older with a visible physical anomaly who have been seen by a genetics professional in the past 5 years may be eligible for this study. In a tape-recorded telephone intervie...

Stroke Risk in the NAS-NRC Twin Registry

To investigate stroke risk using the National Academy of Sciences Twin Registry.

Cervical Pessary Treatment for Prevention of s PTB in Twin Pregnancies on Children`s Long-Term Outcome

Preterm birth (PTB) complicates 13% of all pregnancies worldwide and is the most important cause of neonatal morbidity and mortality. Women with a twin pregnancy are at increased risk of preterm delivery. In the Netherlands, approximately 50% of women with a multiple pregnancy deliver before 37 weeks of gestation (WoG), of whom 9% deliver before 32 weeks. Evidence based treatment guidelines concerning prevention of PTB are not available in Europe. Expectant management is usual ...

Treatment of Class II Malocclusion Combined With Low-level Laser

This experimental study will evaluate the effect of combined treatment with low-level laser and functional appliances (twin-block) on the correction of Class II malocclusion, compared with the control group treated with functional appliances (twin-block) only. The study sample will consist of 40 patients with Class II malocclusion. The sample will be allocated randomly into two groups: a control group and an experimental group. Functional appliance (twin-block) will be applie...

White Blood Cell Infusions to Treat HIV Infection

This study will evaluate the safety and immune system effects of infusing HIV-infected patients with multiple doses of lymphocytes (white blood cells) from their non-infected identical twin. It will determine whether the donated lymphocytes can improve immune function and reduce viral load in the infected twin. Identical twin pairs-one who is infected with HIV-1 and one who is negative for the virus-may be eligible for this study. Candidates will be screened with blood tests...

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