Clinical trials: Usher's Syndrome
Usher Syndrome, Cochlear Implantation
Auditory Neural Function in Implanted Patients With Usher Syndrome
Usher syndrome (USH) causes extensive degeneration in the cochlear nerve (CN), especially in CN fibers innervating the base of the cochlea.
- Trial name
- NCT04906135
- Testing
- Experimental manipulation of stimulation parameters
- Where
- 4 sites in United States
- Volunteers
- 29 people
- Sponsor
- Ohio State University
Retinal Degeneration, Retinitis Pigmentosa
Molecular Genetics of Retinal Degenerations
This multinational study will investigate the inheritance of genetic retinal degeneration in families of different nationalities and ethnic backgrounds in order to identify the genes that, when altered, cause retinal…
- Trial name
- NCT00231010
- Where
- 6 sites in United States, China and 2 more
- Volunteers
- 3,549 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Usher Syndrome
Natural History of Photoreceptor Degeneration in USH1B: Clinical Parameters and Validation of Functional Vision Tests in MYO7A
Inherited retinal diseases (IRDs) are a group of degenerative disorders that cause progressive vision loss. Retinitis pigmentosa (RP) is the most common form, with a global prevalence of approximately 1 in 4,500.
- Trial name
- MYO7A (NCT07278843)
- Testing
- Vision tests, Retinal imaging, Questionnaires
- Where
- France
- Volunteers
- 60 people
- Sponsor
- Centre Hospitalier National d'Ophtalmologie des Quinze-Vingts
Retinitis Pigmentosa, Usher Syndrome Type 2
Retinal Imaging in CNTF -Releasing Encapsulated Cell Implant Treated Patients for Early-stage Retinitis Pigmentosa
This clinical trial is a single-site, 30 patient study for participants who have early stage retinitis pigmentosa, or Usher syndrome (type 2 or 3). Funding Source - FDA OOPD and Foundation Fighting Blindness.
- Conditions
- Retinitis Pigmentosa, Usher Syndrome Type 2, Usher Syndrome Type 3
- Trial name
- NCT01530659
- Testing
- NT-501
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- Neurotech Pharmaceuticals
Usher Syndrome
Clinical and Genetic Examination of Usher Syndrome Patients' Cohort in Europe
This study aims to characterize Usher patients in order to correlate this data with genetic information. Tasks: Standardization and improvement of Usher syndrome diagnosis: refine and elaborate special tests of visual and…
- Trial name
- EURUSH (NCT01954953)
- Where
- 6 sites in France, Germany and 2 more
- Volunteers
- 100 people
- Sponsor
- Centre Hospitalier National d'Ophtalmologie des Quinze-Vingts
Retinitis Pigmentosa, Usher Syndrome Type 2
An Open-Label Extension Study to Evaluate Safety & Tolerability of QR-421a in Subjects With Retinitis Pigmentosa
PQ-421a-002 (Helia) is an open-label, extension study to evaluate the safety, tolerability and efficacy of QR 421a (ultevursen) administered via intravitreal (IVT) injection in one or both eyes, in subjects ≥ 12 years of age with…
- Trial name
- HELIA (NCT05085964)
- Testing
- RNA antisense oligonucleotide for intravitreal injection
- Where
- 7 sites in United States, Canada and 1 more
- Volunteers
- 21 people
- Sponsor
- Laboratoires Thea
Primary Photoreceptor Disease, Retinitis Pigmentosa (RP)
A Study to Investigate the Safety of OpCT-001 in Adults Who Have Primary Photoreceptor Disease (CLARICO)
Study OpCT-001-101 is a Phase 1/2a first-in-human, multisite, 2-part interventional study to evaluate the safety, tolerability, and the effect on clinical outcomes of OpCT-001 in approximately 54 adults with primary photoreceptor…
- Conditions
- Primary Photoreceptor Disease, Retinitis Pigmentosa (RP), Usher Syndrome, Inherited Retinal Disease (IRD)
- Trial name
- CLARICO (NCT06789445)
- Testing
- OpCT-001
- Where
- 5 sites in United States
- Volunteers
- 54 people
- Sponsor
- BlueRock Therapeutics
Usher Syndromes
Safety and Efficacy of NPI-001 Tablets for RP Associated With Usher Syndrome
This study will examine the safety and efficacy of NPI-001 Tablets as compared to placebo for 24 months in subjects with vision loss due to RP associated with Usher syndrome.
- Trial name
- SLO RP (NCT04355689)
- Testing
- NPI-001
- Where
- 4 sites in Australia
- Volunteers
- 49 people
- Sponsor
- Nacuity Pharmaceuticals, Inc.
Retinitis Pigmentosa
Oral N-acetylcysteine for Retinitis Pigmentosa
Retinitis pigmentosa (RP) is an inherited retinal degeneration caused by one of several mistakes in the genetic code. Such mistakes are called mutations.
- Trial name
- NAC Attack (NCT05537220)
- Testing
- N-acetylcysteine
- Where
- 31 sites in United States, Austria and 5 more
- Volunteers
- 485 people
- Sponsor
- Johns Hopkins University
Usher Syndrome, Congenital Deafness
Clinical and Genetic Testing of Patients With Usher Syndrome
This study is aimed to characterize Russian population of Usher patients.
- Conditions
- Usher Syndrome, Congenital Deafness, Retinitis Pigmentosa
- Trial name
- NCT03319524
- Where
- 6 sites in Russia
- Volunteers
- 28 people
- Sponsor
- Sensor Technology for Deafblind
Retinitis Pigmentosa, Usher Syndrome Type 2
Study to Evaluate the Efficacy Safety and Tolerability of QR-421a in Subjects With RP Due to Mutations in Exon 13 of the USH2A Gene With Early to Moderate Vision Loss (Celeste)
The purpose of this study is to evaluate the efficacy safety and tolerability of QR-421a administered via intravitreal injection (IVT) in subjects with Retinitis Pigmentosa (RP) due to mutations in exon 13 of the USH2A gene with…
- Conditions
- Retinitis Pigmentosa, Usher Syndrome Type 2, Deaf Blind, Retinal Disease
- Trial name
- NCT05176717
- Testing
- QR-421a
- Where
- 3 sites in United States, United Kingdom
- Volunteers
- 5 people
- Sponsor
- Laboratoires Thea
Usher Syndrome, Type 2A, Retinitis Pigmentosa
Characterizing Rate of Progression in USHer Syndrome (CRUSH) Study
Mutations in USH2A give rise to two phenotypes: Usher syndrome type 2a (USH2A) and nonsyndromic RP (USH2A associated nsRP). Usher syndrome is the most common form of congenital deafblindness.
- Conditions
- Usher Syndrome, Type 2A, Retinitis Pigmentosa, USH2A
- Trial name
- CRUSH (NCT04820244)
- Testing
- No intervention
- Where
- Netherlands
- Volunteers
- 36 people
- Sponsor
- Radboud University Medical Center
Retinitis Pigmentosa (RP), Usher Syndrome
Observational Study to Investigate the Short-term Effects of Transcorneal Electrical Stimulation on Visual Performance
Retinitis pigmentosa and similar degenerative diseases of the retina lead to progressive loss of vision. TES therapy with the CE-marked OkuStim® System is a treatment approved in the EU for slowing the progression of the disease.
- Conditions
- Retinitis Pigmentosa (RP), Usher Syndrome, Cone Rod Dystrophy
- Trial name
- TES-STEP (NCT07548944)
- Testing
- Transcorneal Electrical Stimulation using the OkuStim System
- Where
- Germany
- Volunteers
- 30 people
- Sponsor
- Okuvision GmbH
Retinitis Pigmentosa (RP), Usher Syndrome
24-Month Trial of NPI-001 for the Preservation of Photoreceptors in Retinitis Pigmentosa Associated With Usher Syndrome
The goal of this clinical trial is to learn if NPI-001 works to prevent progression of retinitis pigmentosa in adults diagnosed with Usher syndrome. It will also provide information about the safety of NPI-001.
- Trial name
- NCT07290530
- Testing
- N-acetylcysteine amide
- Volunteers
- 80 people
- Sponsor
- Nacuity Pharmaceuticals, Inc.
Usher Syndrome, Retinitis Pigmentosa
Study of SAR421869 in Participants With Retinitis Pigmentosa Associated With Usher Syndrome Type 1B
To evaluate the safety and tolerability of ascending doses of subretinal injections of SAR421869 in participants with Usher syndrome type 1B. To evaluate for possible biological activity of SAR421869.
- Trial name
- NCT01505062
- Testing
- SAR421869
- Where
- 2 sites in United States, France
- Volunteers
- 9 people
- Sponsor
- Sanofi
Usher Syndrome Type 3
BF844 Safety and Pharmacokinetic Study in Healthy Volunteers
First-in-Human Phase-1 Clinical Trial to Assess Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Food Effect of Single and Multiple Ascending Doses of BF844 when Administered Orally to Healthy Adult Participants.
- Trial name
- NCT06592131
- Testing
- BF844
- Where
- Australia
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- EyeXCel Pty. Ltd.
Hearing Disorder
Genetic Analyses of Nonsyndromic and Syndromic Deafness in Pakistan
Objective: One objective of this study is to genetically map and identify mutated genes for human hereditary hearing loss. A second objective is to study the function of these genes in the auditory system using mouse models.
- Trial name
- NCT00341874
- Where
- Pakistan
- Volunteers
- 18,009 people
- Sponsor
- National Institute on Deafness and Other Communication Disorders (NIDCD)
Retinitis Pigmentosa
Study of Usher Syndromes, Type 1 and Type 2
The purpose of this investigation is to gain additional knowledge about what causes type 1 and type 2 Usher syndrome-inherited diseases that can cause balance problems and impaired hearing and vision-and to develop better…
- Trial name
- NCT00001347
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- National Eye Institute (NEI)