Ignite Creation Date:
2025-12-24 @ 11:41 PM
Ignite Modification Date:
2025-12-28 @ 2:27 AM
Study NCT ID:
NCT04989751
Status:
ENROLLING_BY_INVITATION
Last Update Posted:
2023-10-24
First Post:
2021-08-02
Is NOT Gene Therapy:
True
Has Adverse Events:
False
Brief Title:
A Multicenter Phenotype-Genotype Analysis of LGMD Patients in China
Sponsor:
Organization:
Raw JSON
{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'C535899', 'term': 'Limb-girdle muscular dystrophy, type 2B'}, {'id': 'C535895', 'term': 'Limb-girdle muscular dystrophy type 2A'}]}, 'interventionBrowseModule': {'meshes': [{'id': 'D004576', 'term': 'Electromyography'}], 'ancestors': [{'id': 'D004568', 'term': 'Electrodiagnosis'}, {'id': 'D019937', 'term': 'Diagnostic Techniques and Procedures'}, {'id': 'D003933', 'term': 'Diagnosis'}, {'id': 'D009213', 'term': 'Myography'}]}}, 'protocolSection': {'designModule': {'bioSpec': {'retention': 'SAMPLES_WITH_DNA', 'description': 'Muscle tissue was frozen with liquid nitrogen as soon as possible following excision and maintained at -80°C'}, 'studyType': 'OBSERVATIONAL', 'designInfo': {'timePerspective': 'PROSPECTIVE', 'observationalModel': 'COHORT'}, 'enrollmentInfo': {'type': 'ESTIMATED', 'count': 450}, 'targetDuration': '8 Years', 'patientRegistry': True}, 'statusModule': {'overallStatus': 'ENROLLING_BY_INVITATION', 'startDateStruct': {'date': '2021-07-07', 'type': 'ACTUAL'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2023-10', 'completionDateStruct': {'date': '2026-12-01', 'type': 'ESTIMATED'}, 'lastUpdateSubmitDate': '2023-10-20', 'studyFirstSubmitDate': '2021-08-02', 'studyFirstSubmitQcDate': '2021-08-02', 'lastUpdatePostDateStruct': {'date': '2023-10-24', 'type': 'ACTUAL'}, 'studyFirstPostDateStruct': {'date': '2021-08-04', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2026-07-01', 'type': 'ESTIMATED'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Changes in NSAA score', 'timeFrame': 'Baseline, Year 1, Year 3, Year 5', 'description': "The North Star Ambulatory Assessment (NSAA) is a 17-item rating scale with a score range of 0-34. It is used to measure the functional motor abilities of ambulant patients with muscular dystrophy. A lower NSAA score indicates more severe damage to the participant's motor capability."}], 'secondaryOutcomes': [{'measure': 'Changes in muscle fat infiltration', 'timeFrame': 'Baseline, Year 3, Year 5', 'description': 'The muscle-specific fat fraction can be calculated with special MRI sequences such as IDEAL or Dixon in the region of interest. An deep-learning based tool is applied to segment individual muscles.'}, {'measure': 'Changes in 6 Minute Walk Test', 'timeFrame': 'Baseline, Year 3, Year 5', 'description': 'The 6-Minute Walk Test is a sub-maximal exercise test used to assess aerobic capacity and endurance. The distance covered in 6 minutes serves as the outcome for comparing changes in performance capacity.'}, {'measure': 'Changes in 10 Metre Walk Test (10MWT)', 'timeFrame': 'Baseline, Year 3, Year 5', 'description': 'The 10 Metre Walk Test is a performance measure used to assess walking speed in meters per second over a short distance. It can be employed to determine functional mobility, gait, and vestibular function'}]}, 'oversightModule': {'oversightHasDmc': False, 'isFdaRegulatedDrug': False, 'isFdaRegulatedDevice': False}, 'conditionsModule': {'keywords': ['Observational'], 'conditions': ['LGMD', 'LGMDR2', 'LGMDR1']}, 'descriptionModule': {'briefSummary': 'Limb-girdle muscular dystrophies (LGMD) are a series of rare progressive genetic disorders that are characterized by wasting and weakness of the voluntary proximal muscles. The onset of the disease is usually at young age, and most patients will be wheelchair-bound due to the progressive deterioration. Since currently genetic therapies for this disease are still immature, better natural history and genotype-phenotype studies are needed for preparing future therapies.', 'detailedDescription': 'This is multicentered-based, prospective, and observational study, which mainly focuses on the diagnosis and progression of limb-girdle muscular dystrophies (LGMD) in China. the investigators collect patient data including basic information, strength evaluations, genetic data, electromyography results, pathology imaging from muscle biopsies, and MRIs. Previously collected patient data may also be enrolled in this study.'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['CHILD', 'ADULT', 'OLDER_ADULT'], 'minimumAge': '10 Years', 'samplingMethod': 'NON_PROBABILITY_SAMPLE', 'studyPopulation': 'The patients are mainly from neuromuscular diagnostic centers that participat this study in China.', 'eligibilityCriteria': 'Inclusion Criteria:\n\n* Identified with variants regarding LGMD related genes revealed by genetic sequencing\n* Progressive weakness involving shoulder girdle and/or pelvic girdle\n* Myopathic changes in electromyography or in pathological studies\n\nExclusion Criteria:\n\n* Identified with variants in other genes (non-LGMD related) that may cause muscular dystrophies'}, 'identificationModule': {'nctId': 'NCT04989751', 'briefTitle': 'A Multicenter Phenotype-Genotype Analysis of LGMD Patients in China', 'organization': {'class': 'OTHER', 'fullName': 'Huashan Hospital'}, 'officialTitle': 'A Multicenter Phenotype-Genotype Analysis of Limb Girdle Muscular Dystrophy Patients in China', 'orgStudyIdInfo': {'id': 'KY2019-409'}}, 'armsInterventionsModule': {'armGroups': [{'label': 'LGMD patients', 'interventionNames': ['Diagnostic Test: Electromyography', 'Diagnostic Test: IDEAL MRI']}], 'interventions': [{'name': 'Electromyography', 'type': 'DIAGNOSTIC_TEST', 'description': 'Electromyography (EMG) would be used at the baseline for dignoisis and furtue analysis.', 'armGroupLabels': ['LGMD patients']}, {'name': 'IDEAL MRI', 'type': 'DIAGNOSTIC_TEST', 'description': 'Muscle-speciifc sequences (e.g. IDEAL) would be used to scan patients at baseline and follow-up stages to characterize the fat fraction and atrophy in different muscles.', 'armGroupLabels': ['LGMD patients']}]}, 'contactsLocationsModule': {'locations': [{'zip': '200040', 'city': 'Shanghai', 'country': 'China', 'facility': 'Huashan Hospital', 'geoPoint': {'lat': 31.22222, 'lon': 121.45806}}], 'overallOfficials': [{'name': 'Chongbo Zhao, PhD', 'role': 'STUDY_DIRECTOR', 'affiliation': 'Huashan Hospital'}]}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Huashan Hospital', 'class': 'OTHER'}, 'responsibleParty': {'type': 'PRINCIPAL_INVESTIGATOR', 'investigatorTitle': 'Professor', 'investigatorFullName': 'Chongbo Zhao', 'investigatorAffiliation': 'Huashan Hospital'}}}}