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NCT01530659 · ClinicalTrials.gov registry record · Phase 2

Retinal Imaging in CNTF -Releasing Encapsulated Cell Implant Treated Patients for Early-stage Retinitis Pigmentosa

A Phase 2 study, sponsored by Neurotech Pharmaceuticals.

Completed
Registry status
Phase 2
Development phase
22
Enrollment target

NCT01530659: Completed Phase 2 study, sponsored by Neurotech Pharmaceuticals.

NCT01530659 is a Phase 2 study that has completed, run by Neurotech Pharmaceuticals. The registered enrollment target is 22 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (83% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT01530659, a Phase 2 study, has completed, sponsored by Neurotech Pharmaceuticals.

COMPLETED
Registry status
Phase 2
Development phase
22 participants
Enrollment target

Study Summary

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.

Primary Outcome

Average of cone spacing (nearest neighbor distance) at all regions of interest with at least 50 contiguous unambiguous cones identified over the central 5.7 degrees of the macula using confocal AOSLO at two baseline visits within each eye. Cone spacing measures were converted to Z scores based on normal mean values at similar distances from the fovea from a database of 27 age-similar normal eyes. The mean of 2 baseline cone spacing Z-score values were subtracted from the cone spacing Z score val

Interventions

  • PROCEDURE Sham
  • DRUG NT-501

Trial Details

FieldValue
Enrollment Target 22 participants
Start Date 2012-01
Est. Completion 2019-07-01
Phase Phase 2
Neurotech Pharmaceuticals

13 total trials

What the finished NCT01530659 record still lists

NCT01530659 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 22 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (83% lower).

The record links to 0 conditions, and to 2 interventions - of which Sham is the first listed.

NCT01530659 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01530659 about?

NCT01530659 is a clinical study titled "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.

What is the current status of trial NCT01530659?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 22 participants. The study started on 2012-01. Estimated completion is 2019-07-01.

What interventions are being tested in trial NCT01530659?

The interventions under investigation include: Sham (PROCEDURE), NT-501 (DRUG).

Who is sponsoring clinical trial NCT01530659?

This trial is sponsored by Neurotech Pharmaceuticals, which has 13 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01530659's enrollment target sits among peer trials

22 1790th of 2000 higher than 207 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT01530659, the US trial registry maintained by the National Library of Medicine. NCT01530659 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.