Viewing Study NCT00890266


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Study NCT ID: NCT00890266
Status: COMPLETED
Last Update Posted: 2022-04-12
First Post: 2009-04-27
Is NOT Gene Therapy: True
Has Adverse Events: False

Brief Title: Corneal Collagen Cross-linking With Hypotonic Riboflavin in Corneas Thinner Than 400 Microns
Sponsor: Moorfields Eye Hospital NHS Foundation Trust
Organization:

Study Overview

Official Title: Collagen Cross-linking With Riboflavin in a Hypotonic Solution, With UV Light, on Corneas Less Than 400 Microns Thick: an Exploratory Study.
Status: COMPLETED
Status Verified Date: 2022-04
Last Known Status: None
Delayed Posting: No
If Stopped, Why?: Not Stopped
Has Expanded Access: False
If Expanded Access, NCT#: N/A
Has Expanded Access, NCT# Status: N/A
Acronym: HypotonicRibo
Brief Summary: Corneal ectasia is a relative weakness in the structure of the cornea, which produces a progressive change in its shape which results in visual distortion. It is known that collagen cross-linking in the cornea occurs naturally with age, and in diabetes, both of which seem to prevent progressive ectasia. Corneal collagen cross-linking with riboflavin on corneas thicker than 400 microns has been shown to stabilize the cornea in keratoconus, and prevent progression of the disease.

The purpose of this study is to determine whether corneal collagen cross-linking with riboflavin in a hypotonic solution, with UV light, on corneas less than 400 microns thick, leads to stabilisation of corneal ectasia.
Detailed Description: When cross-linking corneas of \> 400 microns, riboflavin in a solution with high molecular weight dextran T500 is used to prevent corneal swelling during the administration of the drops and the UV treatment. However if riboflavin is applied to a cornea in a hypotonic solution (saline), then transient corneal oedema is created with thickening of the corneal stroma. In this way it is thought that the temporarily thickened cornea can be treated with UV whilst still providing a sufficient thickness to absorb the UV to an extent that endothelial cell damage is avoided.

Study Oversight

Has Oversight DMC: True
Is a FDA Regulated Drug?: None
Is a FDA Regulated Device?: None
Is an Unapproved Device?: None
Is a PPSD?: None
Is a US Export?: None
Is an FDA AA801 Violation?:

Secondary ID Infos

Secondary ID Type Domain Link View
08/H0721/15 None None View