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Clinical Trials About "Genes That Contribute ADHD Development Discovered" RSS

01:33 EST 14th November 2018 | BioPortfolio

We list hundreds of Clinical Trials about "Genes That Contribute ADHD Development Discovered" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.

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Showing "Genes That Contribute ADHD Development Discovered" Clinical Trials 1–25 of 9,200+

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Molecular Studies on the Candidate Genes of Dopaminergic and Noradrenergic Systems in ADHD

The ultimate goal of this study is to find specific polymorphism of candidate genes associated with endophenotypes and/or phenomenological phenotypes of ADHD. We propose to replicate the analysis of the candidate genes identified by previous genetic studies on ADHD using the candidate gene association study design (family-based case control study using parental controls) to validate the findings from other research groups. These results will lead our team: (1) to resolve contro...


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The Association Between Executive Functions and Candidate Genes of Dopaminergic and Noradrenergic Systems in Attention Deficit Hyperactivity Disorder (ADHD)

The ultimate goal of this study is to find specific polymorphism of candidate genes (particularly of dopaminergic and noradrenergic systems) associated with intermediate phenotypes (e.g., executive functions, IQ, and other neuropsychological function) and/or phenomenological phenotypes (subtypes, comorbidity, dimensional approach) of ADHD. We propose to replicate the analysis of the candidate genes identified by previous genetic studies and recent findings from GWAS on ADHD usi...

Endophenotype, Molecular Genetic Study on Attention-Deficit/Hyperactivity Disorder

The ultimate goals of this study are to identify patterns of familial aggregation with regards to categorical and dimensional approaches of ADHD and neuropsychological measures, to validate the phenotypes and endophenotypes that are close to biological expression of genders underlying ADHD, and to identify the genetic variants close to the etiological genes of ADHD in Taiwanese sample. We propose to replicate the analysis of the candidate genes identified by previous genetic st...


Autoimmune Thyroid Disease Genetic Study

The hypothesis of this project is that specific genes can be identified that contribute to genetic susceptibility to autoimmune thyroid disease (AITD) in different populations. The specific aim of this project is carry out one or more genomewide association studies (GWAS) to map and ultimately identify genes that confer susceptibility to AITD. AITD consists principally of Hashimoto's Thyroiditis (HT) and Graves' Disease (GD), characterized clinically generally by hypothyroidism...

A Study of the Genetic Analysis of Brain Disorders

A study of the complex genetics of brain development will be undertaken with an emphasis on those genes that cause the most common structural brain anomaly in humans called holoprosencephaly (HPE). This malformation of the brain can result from either environmental or genetic causes, and it is the aim of these investigations to determine the genes responsible for both normal and abnormal brain development through the study of patients with this disorder. Mutations in one such...

Magnetic Resonance Imaging of Brain Development in Attention Deficit Hyperactivity Disorder

The primary purpose of this study is to investigate brain whether ADHD represents a disruption or a delay of brain development. Children and adolescents both with and without ADHD are asked to participate in several MRI sessions, two years apart. This will allow us to chart brain development over time, both in typical development and ADHD, and therefore to address whether ADHD represents a disruption or a delay of typical brain development.

Risk of Attention Deficit Hyperactivity Disorder (ADHD) in the Children of Adults With ADHD Not Otherwise Specified (NOS)

The researchers plan to explore the validity of the category of ADHD NOS by identifying the risk for ADHD in the children of ADHD NOS adult probands and identifying common correlates of ADHD in these children. The researchers hypothesize that the rate of ADHD will be higher in the children of the ADHD NOS probands than the rate of ADHD previously published for siblings of proband children with ADHD; and ADHD children of ADHD NOS adults will have higher rates of school failure (...

Identification of the Molecular and/or Pathophysiological Bases of Developmental Diseases

Developmental diseases include more than 3000 diseases and can associate organ malformation, dysmorphism, development disorders and/or intellectual deficiency. Even though the considerable effort in the search for genes in the last 20 years has led to the identification of thousands of genes associated with Mendelian diseases, half of the individuals with severe development anomalies remain without a genetic diagnosis. It is important to pursue the ambition to contribute to the...

Neuroendocrine Substrates, Candidate Genes and Endophenotypes in ADHD

Attention-deficit/hyperactivity disorder (ADHD) is one of the most common child and adolescent psychiatric disorders. In recent years, some researchers have become interested in analyzing neuroendocrine substrate levels in ADHD, including dehydroepiandrosterone (DHEA), dehydroepiandrosterone sulfate (DHEA-S), cortisol and testosterone. Previous work in ADHD has established a strong heritable component to the phenotype. The STS gene, SULT2A1 gene and TH gene are associated with ...

Genetic Liability in the Brain Morphology of Attention Deficit Hyperactivity Disorder

Attention Deficit Hyperactivity Disorder (ADHD) is a heritable psychiatric disorder with onset in childhood. Twin and adoption studies indicate that additive genetic factors explain up to 80% of the variance underlying susceptibility. The siblings of children with ADHD have a three- to fivefold increased risk of having ADHD compared to the siblings of healthy control subjects, and the risk is even greater for monozygotic twins with 50-80% concordance compared with up to 33% in ...

Gut Microbiome and Serum Metabolome Alterations in ADHD Patients

Host-microbe interactions play a key role in brain development and function and in the etiology of neurodevelopmental disorders. Attention-deficit/hyperactivity disorder (ADHD) is a heterogeneous disorder that affects 1 in 20 children and results in poor life-time outcomes. However, the etiology of ADHD is unclear and its diagnosis and treatment are still challenging. Different factors reported to be associated with the risk of developing ADHD and/or linked to different ADHD ma...

Improving Behavioral Health Care for Children With ADHD: Integration of Family Peer Advocates to Deliver Behavioral Parent Training in Pediatric Care Settings

The purpose of this study is development of the Integrative Pediatric FPA ADHD Care (IPFAC) Model. The IPFAC is intended to increase access to evidence-based behavioral parent training (BPT) for school-age children diagnosed with attention-deficit/hyperactivity disorder(ADHD) who are diagnosed with ADHD and served in the ADHD Clinic at NYU Bellevue's Department of Developmental and Behavioral Pediatrics.

Concerta Treatment in Adults With ADHD NOS

This will be an open label pilot study of Concerta in the treatment of adults with the diagnosis of Attention Deficit Hyperactivity Disorder Not Otherwise Specified (ADHD NOS). We hypothesize ADHD symptomatology in adults with ADHD NOS will be responsive to Concerta treatment in the short term and Concerta-associated response of ADHD symptomatology in adults with ADHD NOS will be sustained over the medium term.

Healthy Lifestyle in Adults With Attention Deficit Hyperactivity Disorder

The purpose of this study is to understand the relationship between ADHD and the overall health of someone with ADHD. People who have ADHD have trouble paying attention, concentrating, organizing, and planning. They may have trouble in school, at work, and at home. The investigators are interested in finding out whether these difficulties have had any influence in the past, current, or future health problems of someone with ADHD. About 100 people with ADHD and 100 people withou...

Genetic Analysis of Familial Brain Aneurysms

This study will investigate cerebral (brain) aneurysms and their possible inheritance patterns in families. It will try to determine how often brain aneurysms occur in families in which more than one member has had an aneurysm and to find the gene or genes that contribute to their development. People in families in which more than one family member had a cerebral aneurysm are eligible for this 1-day study. They will undergo the following procedures: - Blood will be...

Genetic, Brain Structure, and Environmental Effects on ADHD

Background: - Attention deficit hyperactivity disorder (ADHD) is one of the most common and inheritable of all neuropsychiatric disorders. It causes problems with attention and impulse control. However, the genetic component of ADHD has not been fully studied, including how genes interact with the environment. Researchers want to study children and adults who have ADHD. They will look at how genetic, brain structure, and environmental factors affect ADHD in children and ...

Methylphenidate in ADHD With Trichotillomania

This study will evaluate the safety and effectiveness of methylphenidate in treating attention deficit hyperactivity disorder (ADHD) in children with both ADHD and trichotillomania. Trichotillomania is an impulse control disorder. There is growing evidences of the involvement of dopaminergic neurotransmission in the pathophysiology of trichotillomania. Reported increase in the prevalence of ADHD among patients with impulse control disorders, such as pathological gamblin...

Effects of Polyunsaturated Fatty Acids on the Visual Memory of Children With Attention Deficit Hyperactivity Disorder

The investigators anticipate to identify specific polyunsaturated fatty acids that show significant differences between ADHD and control groups. In addition, these findings may offer more biological understanding in explaining the relationship between polyunsaturated fatty acids and visual memory among children with ADHD. The results will significantly contribute to the knowledge of the pathophysiological mechanisms of ADHD, especially the polyunsaturated fatty acids related to...

Next Generation to Identify Genetic Causes of Disease in Patients Participating in NICHD Clinical Protocols

Background: - The purpose of this study is to identify changes in genes that cause human diseases. We would like to obtain some of you or your child s DNA and test for changes in genes that may contribute to a disease in you or your family. Objective: -To allow for exomic or genomic sequencing of NICHD patients or family members in order to identify changes in genes that cause or contribute to a specific disease. Eligibility: - Children who are enrol...

Role of Genetic Factors in the Development of Lung Disease

This study is designed to evaluate the genetics involved in the development of lung disease by surveying genes involved in the process of breathing and examining the genes in lung cells of patients with lung disease. The study will focus on defining the distribution of abnormal genes responsible for processes directly involved in different diseases affecting the lungs of patients and healthy volunteers.

SNAP 25 Gene Study

To enhance our capacity to correctly choose the appropriate medication for ADHD patients on the first try based on the presence of a particular variant of a gene that could be identified on a laboratory test. It is hypothesized that patients with Attention Deficit Hyperactivity Disorder (ADHD) who have failed to respond to methylphenidate medication, but do respond to amphetamines, have a higher than expected incidence the allelic variants of the SNAP 25 gene associated with A...

Strattera Treatment in Children With ADHD Who Have Poor Response to Stimulant Therapy

This will be a 6-week, unblinded study using the medication Strattera for children and adolescents with attention deficit hyperactivity disorder (ADHD) who failed to respond to an adequate trial of stimulant treatment. Specific hypotheses are as follows: Hypothesis 1: ADHD symptomatology in youth with ADHD will be responsive to Strattera treatment in the short term. Hypothesis 2: Strattera treatment (in doses of up to 120 mg/day or 1.2 mg/kg/day) in children and adolesc...

Efficacy and Safety of SPN-812 ER in Children With ADHD

This is a randomized, double-blind, placebo-controlled, multicenter, 5-arm, parallel-group, fixed dose study to assess the efficacy and safety of SPN-812 ER in treatment of children aged 6-12 years with ADHD. The primary objective is to assess the effect of SPN-812 ER in reducing ADHD symptoms. This will be measured using the ADHD-RS-IV rating scale.

Long Acting Stimulant Treatment of Attention Deficit Hyperactivity Disorder (ADHD) in Young Children

This is a pilot study evaluating the effectiveness, safety, and tolerability of Ritalin LA in treating Attention Deficit Hyperactivity Disorder (ADHD) in 4 and 5 year old children. Virtually no data has been published on the use of long-acting stimulant preparations in very young children despite early symptomatic development in a significant portion of young children with ADHD. This would be one of the first studies looking at a long-acting preparation of a stimulant medicati...

Hypospadias and Exome: Identification of New Genes for Familial Hypospadias

Hypospadias is the second most common malformation of the male genitalia and consists in a congenital hypoplasia of its ventral face. Hypospadias results from abnormal development of the penis that leaves the urethral meatus proximal to its normal glanular position. Meatus position may be located anywhere along the penile shaft, but more severe forms of hypospadias may have a urethral meatus located at the scrotum or perineum. Glandular and penile anterior represents approximat...


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