A Natural History Study of hnRNP-related Disorders

Status Recruiting

Clinical Trial Summary

The purpose of this study is to analyze patterns in individuals with hnRNP (and other) genetic variants, including their neurological comorbidities, other medical problems and any treatment. The investigators will maintain an ongoing database of medical data that is otherwise being collected for routine medical care. The investigators will also collect data prospectively in the form of questionnaires, neuropsychological assessments, motor assessments, and electroencephalography to examine the landscape of deleterious variants in these genes.

Clinical Trial Description

Neurodevelopmental disorders are a group of disorders in which the development of the central nervous system is disturbed. The genetic basis for many neurodevelopmental disorders has continued to expand and a recent gene called HNRNPH2 (Heterogeneous Nuclear Ribonucleoprotein H2, encoded by HNRNPH2) is one such gene that is associated with a common neurodevelopmental disorder characterized by developmental delay, intellectual disability, autism and autistic features, and tone abnormalities, among other multisystem problems. The investigators will expand the genetic cohort to include any individual with a confirmed variant in any gene presenting with neurodevelopmental abnormalities. This is non-interventional study that examines both data previously used in clinical practice and prospective data collection in the form of questionnaires and assessments. The investigators will examine patterns of initial presentation, patterns in neurological evaluations; neurological testing including brain MRI and electroencephalography, and outcomes in individuals with genetic variants. Genes of Focus: hnRNPA1 hnRNPA2 hnRNPB1 hnRNPB2 hnRNPC2 hnRNPD hnRNPE1 hnRNPE2 hnRNPE3 hnRNPE4 hnRNPG hnRNPH1 hnRNP H2 hnRNPI hnRNPK hnRNPL hnRNPM hnRNPP hnRNPQ1 hnRNPQ2 hnRNPQ3 hnRNPR hnRNPU ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03492060
Study type	Observational [Patient Registry]
Source	Columbia University
Contact	Jennifer M. Bain, MD, PhD
Phone	646-426-3876
Email	jb3634@cumc.columbia.edu
Status	Recruiting
Phase
Start date	June 13, 2018
Completion date	April 2024

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.