Completed NA INTERVENTIONAL 1-arm NCT00515814

Retina Implant Pilot Trial to Evaluate Safety & Efficacy in Blind Patients Having Degenerated Photo-receptors

A Prospective Open Pilot Study With Functional Placebo-control to Evaluate the Efficacy and Tolerability/Safety of a Subretinal Implant in Blind Patients in Accordance With ICH/GCP Guidelines

Sponsor: Retina Implant AG

Conditions Retinitis Pigmentosa

Interventions Retina implant is surgically placed into subretinal position

Updated 7 times since 2017 Last updated: Jun 8, 2011 Started: Sep 30, 2005 Primary completion: Dec 31, 2009 Completion: Dec 31, 2009

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates Retinitis Pigmentosa and is currently completed. Retina Implant AG leads this study, which shows 7 recorded versions since 2005 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

7 versions recorded

Sep 2025 — Present [monthly]

Completed NA
Sep 2024 — Sep 2025 [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Jan 2021 — Jul 2024 [monthly]

Completed NA
Jun 2018 — Jan 2021 [monthly]

Completed NA

▶ Show 2 earlier versions

Feb 2017 — Jun 2018 [monthly]

Completed NA
Jan 2017 — Feb 2017 [monthly]

Completed NA

First recorded

Sep 2005

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Retina Implant AG

Data source: Retina Implant AG

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Dresden, Germany
• Tübingen, Germany