Status:
COMPLETED
A Study of Encapsulated Cell Technology (ECT) Implant for Participants With Early Stage Retinitis Pigmentosa
Lead Sponsor:
Neurotech Pharmaceuticals
Conditions:
Retinitis Pigmentosa
Eligibility:
All Genders
18-64 years
Phase:
PHASE2
Brief Summary
The purpose of this study is to look at the safety and effectiveness of CNTF implants on vision in persons with retinitis pigmentosa, Usher type II \& III, and Choroideremia. This research is being do...
Detailed Description
This study will involve about 18 visits over 2½ years for specific tests of the participant's vision and health. These visits may include visual exams, blood draw for laboratory testing, brief medical...
Eligibility Criteria
Inclusion
- Study inclusion / exclusion criteria:
- Criteria for patients to qualify for the study include, but are not limited to:
- Over 18 years of age, and less than 65 years of age
- Diagnosis of retinitis pigmentosa, Usher Syndrome Type 2 or 3 or Choroideremia
- Visual acuity no worse than 20/63
- Experience with at least two full threshold Humphrey Visual Field 30-2 tests, one completed within the year prior to enrolling in this study
- The following criteria will exclude patients from the study:
- Pregnant or lactating females, or females planning to become pregnant during the study or not using an acceptable method of contraception.
- Retinitis pigmentosa caused by a classic syndrome, including Usher Type I
- Other eye diseases including advanced cataract.
- Chronic systemic disease requiring continuous treatment with systemic steroids, immunosuppressive medications or insulin.
Exclusion
Key Trial Info
Start Date :
January 22 2007
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
April 19 2010
Estimated Enrollment :
73 Patients enrolled
Trial Details
Trial ID
NCT00447980
Start Date
January 22 2007
End Date
April 19 2010
Last Update
May 1 2025
Active Locations (12)
Enter a location and click search to find clinical trials sorted by distance.
1
Retina-Vitreous Associates Medical Group
Beverly Hills, California, United States, 90211
2
University of Califoria, Davis
Sacramento, California, United States, 95817
3
University of California, San Francisco
San Francisco, California, United States, 94143-0730
4
Bascom Palmer Eye Insitute
Miami, Florida, United States, 33101