Ignite Creation Date:
2025-12-25 @ 12:09 AM
Ignite Modification Date:
2025-12-28 @ 6:15 PM
Study NCT ID:
NCT05674058
Status:
ACTIVE_NOT_RECRUITING
Last Update Posted:
2025-04-22
First Post:
2022-12-21
Is NOT Gene Therapy:
True
Has Adverse Events:
False
Brief Title:
Function and Imaging Assessments for G1961E-associated Stargardt Disease
Sponsor:
Organization:
Raw JSON
{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D000080362', 'term': 'Stargardt Disease'}], 'ancestors': [{'id': 'D015785', 'term': 'Eye Diseases, Hereditary'}, {'id': 'D005128', 'term': 'Eye Diseases'}, {'id': 'D008268', 'term': 'Macular Degeneration'}, {'id': 'D012162', 'term': 'Retinal Degeneration'}, {'id': 'D012164', 'term': 'Retinal Diseases'}, {'id': 'D030342', 'term': 'Genetic Diseases, Inborn'}, {'id': 'D009358', 'term': 'Congenital, Hereditary, and Neonatal Diseases and Abnormalities'}]}}, 'protocolSection': {'designModule': {'studyType': 'OBSERVATIONAL', 'designInfo': {'timePerspective': 'PROSPECTIVE', 'observationalModel': 'COHORT'}, 'enrollmentInfo': {'type': 'ESTIMATED', 'count': 20}, 'patientRegistry': False}, 'statusModule': {'overallStatus': 'ACTIVE_NOT_RECRUITING', 'startDateStruct': {'date': '2022-11-01', 'type': 'ACTUAL'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2025-04', 'completionDateStruct': {'date': '2025-10-31', 'type': 'ESTIMATED'}, 'lastUpdateSubmitDate': '2025-04-17', 'studyFirstSubmitDate': '2022-12-21', 'studyFirstSubmitQcDate': '2022-12-21', 'lastUpdatePostDateStruct': {'date': '2025-04-22', 'type': 'ACTUAL'}, 'studyFirstPostDateStruct': {'date': '2023-01-06', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2025-10-31', 'type': 'ESTIMATED'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Progression of photoreceptor outer and inner segment loss', 'timeFrame': 'Two years from Baseline', 'description': 'Rate of change for the (square-root transformed) EZ loss area (in mm/yr)'}]}, 'oversightModule': {'oversightHasDmc': False, 'isFdaRegulatedDrug': False, 'isFdaRegulatedDevice': False}, 'conditionsModule': {'keywords': ['Stargardt Disease', 'STGD1', 'p.Gly1961Glu', 'G1961E', 'c.5882G>A'], 'conditions': ['Stargardt Disease', 'Stargardt Disease 1', 'Fundus Flavimaculatus', 'Macular Degeneration, Stargardt', 'Macular Dystrophy With Flecks, Type 1']}, 'referencesModule': {'references': [{'pmid': '35076026', 'type': 'BACKGROUND', 'citation': 'Pfau M, Cukras CA, Huryn LA, Zein WM, Ullah E, Boyle MP, Turriff A, Chen MA, Hinduja AS, Siebel HE, Hufnagel RB, Jeffrey BG, Brooks BP. Photoreceptor degeneration in ABCA4-associated retinopathy and its genetic correlates. JCI Insight. 2022 Jan 25;7(2):e155373. doi: 10.1172/jci.insight.155373.'}, {'pmid': '32345606', 'type': 'BACKGROUND', 'citation': 'Pfau M, Holz FG, Muller PL. Retinal light sensitivity as outcome measure in recessive Stargardt disease. Br J Ophthalmol. 2021 Feb;105(2):258-264. doi: 10.1136/bjophthalmol-2020-316201. Epub 2020 Apr 28.'}, {'type': 'RESULT', 'citation': 'Maximilian Pfau, Georg Ansari, Giacomo Calzetti, Lucas Janeschitz-Kriegl, Bence Gyorgy, Kristina Pfau, Helene Dollfus, Carlo Rivolta, Hendrik PN Scholl; Fully Automated Patient-Tailored Microperimetry: FirstOrbit-Study Report. Invest. Ophthalmol. Vis. Sci. 2024;65(7):5403.'}]}, 'descriptionModule': {'briefSummary': "Some phenotypes of Stargardt disease are rather distinct. This includes the 'bull's eye maculopathy' phenotype associated with the frequent ABCA4 G1961E variant. In anticipation of a treatment trial, this natural history study aims to compare functional and structural outcome measures systematically."}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'minimumAge': '18 Years', 'samplingMethod': 'NON_PROBABILITY_SAMPLE', 'studyPopulation': 'The study will include subjects with G1961E-associated Stargardt disease.', 'healthyVolunteers': False, 'eligibilityCriteria': "Inclusion Criteria:\n\n* Adult patients with G1961E-associated Stargardt disease\n* Defined by (1.) the presence of two pathogenic ABCA4 variants with at least one ABCA4G1961E variant, (2.) a Stargardt disease phenotype, and (3.) the absence of pathogenic variants in PRPH2, PROM1, and ELOVL4\n\nExclusion Criteria:\n\n* Inability to give informed consent\n* Prior surgery (other than anti-VEGF injections, cataract surgery, YAG laser capsulotomy, or laser retinopexy) that - according to the investigator's judgment - may affect visual function assessments (e.g., retinal detachment surgery, glaucoma filtration surgery, or a history of a corneal transplant in the study-eye)\n* Concurrent ophthalmic conditions in the study eye that (according to the investigator's judgment) may contribute to loss of vision such as clinically significant opacification of the ocular media (corneal dystrophies, cataract), other retinal diseases, or disease of the optic nerve head and visual pathway (including amblyopia)\n* Major surgery planned or other events that (according to the investigator's judgment) could hinder follow-up examinations (e.g., knee replacement)"}, 'identificationModule': {'nctId': 'NCT05674058', 'acronym': 'FIRSTORBIT', 'briefTitle': 'Function and Imaging Assessments for G1961E-associated Stargardt Disease', 'organization': {'class': 'OTHER', 'fullName': 'University Hospital, Basel, Switzerland'}, 'officialTitle': 'Function and Imaging Assessments for G1961E-associated Stargardt Disease: Outcome Measure Ranking as Basis for Interventional Trials', 'orgStudyIdInfo': {'id': 'FIRSTORBIT'}}, 'armsInterventionsModule': {'interventions': [{'name': 'No intervention', 'type': 'OTHER', 'description': 'According to clinical practice.'}]}, 'contactsLocationsModule': {'locations': [{'zip': 'CH-4031', 'city': 'Basel', 'state': 'Canton of Basel-City', 'country': 'Switzerland', 'facility': 'University Hospital Basel', 'geoPoint': {'lat': 47.55839, 'lon': 7.57327}}]}, 'ipdSharingStatementModule': {'ipdSharing': 'UNDECIDED'}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'University Hospital, Basel, Switzerland', 'class': 'OTHER'}, 'responsibleParty': {'type': 'SPONSOR'}}}}