Clinical trials: Retinitis Pigmentosa Syndrome
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
Retinitis Pigmentosa (RP), Usher Syndrome Type 2
Study to Evaluate the Long-Term Safety of Ultevursen in Participants With Retinitis Pigmentosa (RP) Due to Mutations in Exon 13 of the USH2A Gene
The purpose of this Phase 2 Open-label study is to evaluate the long-term safety and tolerability of Ultevursen administered via intravitreal injection (IVT) in participants with Retinitis Pigmentosa due to mutations in exon 13…
- Conditions
- Retinitis Pigmentosa (RP), Usher Syndrome Type 2, Deaf Blind, Retinal Disease
- Trial name
- CAPELLA (NCT07796646)
- Testing
- No intervention, will not receive any active study intervention, Intravitreal Injection of Ultevursen
- Volunteers
- 81 people
- Sponsor
- Laboratoires Thea
Bardet-Biedl Syndrome (BBS), Obesity
An Expanded Access Protocol for Setmelanotide for Treatment of Bardet-Biedl Syndrome (BBS)
An open-label, single-arm, multicenter, Expanded Access Protocol [EAP] designed to provide treatment access to setmelanotide (3 mg, administered subcutaneously [SC], once daily) for eligible patients with BBS who have no…
- Trial name
- NCT05183802
- Testing
- Setmelanotide, administered subcutaneously [SC], once daily.
- Sponsor
- Rhythm Pharmaceuticals, Inc.
AMPD3, OMIM*102772, AMP Deaminase Deficiency, AK1, OMIM *103000, Adenylate Kinase Deficiency
A Natural History Study Seeks to Understand the Clinical, Genomic, Pharmacological, Laboratory, and Dietary Determinates of Pyrimidine and Purine Metabolism Disorders
Background: Pyrimidine and purine metabolism disorders (DPPMs) affect how the body metabolizes chemicals called pyrimidines and purines.
- Conditions
- AMPD3, OMIM*102772, AMP Deaminase Deficiency, AK1, OMIM *103000, Adenylate Kinase Deficiency, AMPD1, OMIM *102770, Myopathy Due to Myoadenylate Deaminase Deficiency, TPMT, OMIM *187680, Thoipurines, Poor Metabolism of
- Trial name
- NCT06092346
- Where
- United States
- Volunteers
- 999 people
- Sponsor
- National Human Genome Research Institute (NHGRI)
Usher Syndrome, Retinitis Pigmentosa
Study of Dietary N-3 Fatty Acids in Patients With Retinitis Pigmentosa and Usher Syndrome
OBJECTIVES: I. Examine the concentration of docosahexanoic acid (DHA) and other n-3 fatty acids in plasma, erythrocyte, and adipose tissue in patients with various forms of retinitis pigmentosa and Usher syndrome. II.
- Trial name
- NCT00004345
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- National Center for Research Resources (NCRR)
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)
Hepato/Renal Fibrocystic Disease, Autosomal Recessive Polycystic Kidney Disease
ARPKD Database Study
Hepato-renal fibrocystic diseases (HRFD) is a term developed that encompasses rare diseases such as Autosomal Recessive Polycystic Kidney Disease (ARPKD), and other diseases with common features (Joubert syndrome, Bardet Biedl…
- Conditions
- Hepato/Renal Fibrocystic Disease, Autosomal Recessive Polycystic Kidney Disease, Joubert Syndrome, Bardet Biedl Syndrome
- Trial name
- ARPKD (NCT01401998)
- Where
- 6 sites in United States
- Volunteers
- 200 people
- Sponsor
- Children's Hospital of Philadelphia
Bardet-Biedl Syndrome, Visual Impairment
Treatment of Bardet-Biedl-Syndrome With Metformin for Evaluation of a Possible Visual Improvement
In this prospective pilot study without control group children and young adults (10-25 years old) diagnosed with Bardet-Biedl syndrome and treated with Metformin for their adipositas will be evaluated for a possible additional…
- Trial name
- BBS (NCT03490019)
- Testing
- Metformin
- Sponsor
- University Hospital Tuebingen
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