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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT03307304
Other study ID # 180002
Secondary ID 18-CH-0002
Status Recruiting
Phase
First received
Last updated
Start date November 27, 2017
Est. completion date December 31, 2050

Study information

Verified date May 22, 2024
Source National Institutes of Health Clinical Center (CC)
Contact An N Dang Do, M.D.
Phone (301) 496-8849
Email an.dangdo@nih.gov
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Background: CLN3, or Batten disease, is a genetic disorder. This deadly disease leads to decline of brain and nervous system functions. Symptoms of CLN3 typically occur between 4 and 7 years of age. They include changes in how a person sees, thinks, and moves. CLN3 can also cause seizures. No effective treatments for the disease are yet known. There is limited testing of potential therapies. Researchers want to study CLN3 more so they can improve future therapies. Objective: To identify clinical or biochemical markers that can be used as therapeutic outcome measures for CLN3. Eligibility: People with CLN3. It must be based on Two CLN3 mutations OR One CLN3 mutation AND findings seen with a powerful microscope Family members of a person with CLN3. Design: Participants will have already been referred to NIH for CLN3 evaluation. If participants agree to do the study, they will: 1. give spinal fluid, blood, urine, and skin samples. They may provide other samples if they were already collected. These may include cells, surgical specimens, and DNA. 2. will be seen by multiple healthcare specialists. Participants may provide medical records or photos. Participants will sign a release of medical records form.P Researchers may send samples or clinical data to other investigators. For research testing, the samples will not include the participant s name. For a test in a clinical lab, researchers will include the participant s name. These results will become part of the clinical record at NIH.


Description:

Study Description: The purpose of this protocol is to obtain both baseline and rate of progression data on clinical and biochemical markers that may later be used as an outcome measure in a clinical trial, and to establish a biorepository of samples from CLN3 participants. For comparisons, focused clinical data and relevant evaluations and biospecimens will also be collected from individuals with Neuronal Ceroids Lipofuscinosis (NCL) of other types and from family members of all affected individuals. Objectives: Primary Objective: 1. Identify clinical or biochemical markers that can be used as therapeutic outcome measures for CLN3. 2. Evaluate clinical aspects of CLN3 to provide tools for future therapeutic trials. Secondary Objectives: Establish a biorepository of samples from well-characterized individuals with CLN3, and family members of CLN3 individuals, for future research related to CLN3. Endpoints: Primary Endpoint: 1. Blood, urine, or CSF biomarkers. 2. Proportion of participants who achieve a clinically valid and interpretable score on administered measures. 3. Scores obtained for each administered measure. Secondary Endpoints: Tolerability and feasibility of each measure of the clinical battery of assessments based on clinician observation.


Recruitment information / eligibility

Status Recruiting
Enrollment 300
Est. completion date December 31, 2050
Est. primary completion date December 31, 2050
Accepts healthy volunteers No
Gender All
Age group 1 Week and older
Eligibility - INCLUSION CRITERIA: For the Main and Sub-Studies, participants > 1 week of age, of all genders, demographics, geographic locations, and disease severity will be recruited in order to obtain cross-sectional representation of CLN3 (Main and Sub-Studies) or all NCLs (Sub-Study B). Participants in the Main study will be followed at approximately yearly intervals to obtain longitudinal data. Participants in Sub-Study A may elect to send in medical records and samples only, or to come to the NIH for evaluations as outlined in Section 4. We anticipate that participants in Sub-Study B will be seen mostly at NCL/CLN3-related family conferences. Main Study: Individuals > 1 week of age with a diagnosis of CLN3. Diagnosis of CLN3 determined by one of the following: 1. Two CLN3 mutations 2. One CLN3 mutation AND i) clinical presentation suggestive of CLN3, OR ii) characteristic electron microscopy (EM) findings (such as curvilinear body, fingerprint profile, granular osmiophilic deposits). Sub-Study A: Individuals > 1 week of age with a diagnosis of CLN3. Diagnosis of CLN3 determined by one of the following: 1. Two CLN3 mutations 2. One CLN3 mutation AND i) clinical presentation suggestive of CLN3, OR ii) characteristic electron microscopy (EM) findings (such as curvilinear body, fingerprint profile, granular osmiophilic deposits). OR Individuals > 1 month of age who have family member(s) diagnosed with CLN3 Sub-Study B: Individuals > 1 week of age with a clinical diagnosis of CLN3 or NCL. OR Individuals > 1 month of age who have family member(s) diagnosed with CLN3 or NCL. EXCLUSION CRITERIA: Main Study: 1. Individuals who cannot travel to the NIH because of their medical condition. 2. Individuals who, in the opinion of the Investigator, are unable to comply with the protocol or have medical conditions that would potentially increase the risk of participation. 3. Females who are pregnant. Sub-Studies A and B: 1. Unaffected individuals > 18 years of age who have cognitive impairments. 2. Individuals who, in the opinion of the Investigator, are unable to comply with the protocol or have medical conditions that would potentially increase the risk of participation.

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
United States National Institutes of Health Clinical Center Bethesda Maryland

Sponsors (1)

Lead Sponsor Collaborator
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Identify clinical or biochemical markers that can be used as a therapeutic outcome measures for CLN3. Identification of biomarkers ongoing
Primary Evaluate clinical aspects of CLN3 to provide tools for future therapeutic trials Evaluation of clinical signs and symptoms ongoing
Secondary Establish a biorepository of samples from well-characterized CLN3 patients for future research related to CLN3 Collection of biospecimens ongoing
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