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NCT00001602 · ClinicalTrials.gov registry record
Genetic Factors Related to Stuttering
A clinical trial of Stuttering, sponsored by National Institute on Deafness and Other Communication Disorders (NIDCD).
- Completed
- Registry status
- 500
- Enrollment target
- 1
- Study location
NCT00001602 is a study of Stuttering that has completed, run by National Institute on Deafness and Other Communication Disorders (NIDCD). The registered enrollment target is 500 participants, below the 692-participant average among 6 other Stuttering trials with a reported enrollment target (28% lower). The trial reports 1 study location across 1 state.
The verdict
NCT00001602, a study of Stuttering, has completed, sponsored by National Institute on Deafness and Other Communication Disorders (NIDCD).
- COMPLETED
- Registry status
- 500 participants
- Enrollment target
- 1
- Study location
Study Summary
Stuttering is an abnormality in speech that affects the rhythm of speech. People who stutter know what they wish to say, but at the time are unable to say it because of involuntary repetition, unnecessary lengthening (prolongation), or early stopping (cessation). This study is designed to increase understanding of the genetic factors that may relate to stuttering. Deoxyribonucleic acid (DNA) is a protein found in the nucleus of all cells. It is responsible for carrying the genetic information of the organism. DNA provides the directions for making all of the substances in the human body. DNA can be linked together in small segments called genes. Genes can contain information about anything related to an organism. In order for researchers to determine what genes are directly related to stuttering they must conduct several types of studies. Linkage studies, are studies of families that have a lot of members who stutter from several generations. The linkage studies will be completed using adult individuals who are diagnosed as persons who stutter and persons who have never stuttered, from one or more families with large numbers of family members who have stuttered over several generations. Candidate gene studies, look closely at genes suspected to be related to stuttering in patients who may or may not have a significant family history of stuttering. By conducting these studies, researchers hope to learn more about genes related to stuttering and ultimately find out what causes stuttering.
Conditions Studied
Study Locations (1)
Maryland
- National Institute on Deafness and Other Communication Disorders (NIDCD) - Bethesda
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 500 participants |
| Start Date | 1996-10 |
| Est. Completion | 2005-02 |
Interested in This Trial?
Full Details on ClinicalTrials.gov ↗What the Registry Record Tells You About NCT00001602
The ClinicalTrials.gov registry entry for NCT00001602 describes a study currently listed as completed, categorized as an unspecified phase. The registered enrollment target is 500 participants, a figure that helps gauge the scale of data the investigators plan to collect, below the 692-participant average among 6 other Stuttering trials with a reported enrollment target (28% lower). The listed sponsor is National Institute on Deafness and Other Communication Disorders (NIDCD), which has 34 total studies on file at ClinicalTrials.gov.
The record links to 1 condition, with Stuttering appearing as the primary indexed condition, and to 0 interventions.
NCT00001602 reports 1 study location spanning 1 distinct geographic area - top geographies include Maryland.
Frequently Asked Questions
What is clinical trial NCT00001602 about?
NCT00001602 is a clinical study titled "Genetic Factors Related to Stuttering". Stuttering is an abnormality in speech that affects the rhythm of speech. People who stutter know what they wish to say, but at the time are unable to say it because of involuntary repetition, unnecessary lengthening (prolongation), or early stopping (cessation). This study is designed to increase u...
What is the current status of trial NCT00001602?
This trial is currently completed. The enrollment target is 500 participants. The study started on 1996-10. Estimated completion is 2005-02.
What conditions does trial NCT00001602 study?
This clinical trial studies the following conditions: Stuttering.
Who is sponsoring clinical trial NCT00001602?
This trial is sponsored by National Institute on Deafness and Other Communication Disorders (NIDCD), which has 34 total clinical trials registered on ClinicalTrials.gov.
Where is trial NCT00001602 being conducted?
This trial has 1 study location across Maryland. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.
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Read our methodology - how this data is sourced, computed, and verified.
Related
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