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Safety and Efficacy of Thymosin Beta 4 Ophthalmic Solution in Patients With Dry Eye

Dry Eye Clinical Trial

Official title:
A Double-Masked, Randomized, Single-Center Study Evaluating the Safety and Efficacy of 0.1% Tβ4 Ophthalmic Solution Compared to Vehicle on the Signs and Symptoms of Dry Eye in the Controlled Adverse Environment (CAE) Model

Clinical Trial Summary

Thymosin Beta 4 (Tβ4) is a synthetic copy of the naturally-occurring 43-amino acid peptide that is found in a variety of tissues. Tβ4 promotes/accelerates wound repair in dermal, ocular, and cardiac animal models. Two recent pre-clinical evaluations have demonstrated that Tβ4 promotes corneal ocular surface defects healing in animal models of dry eye. RGN-259 (formulation of Tβ4 ophthalmic solution) mechanism of action offers potential to be a product that meets a major unmet medical need in patients with dry eye.

Clinical Trial Description

Tβ4 promotes wound repair and regeneration in various tissues. In the eye, it promotes corneal epithelial cell migration, decreases inflammation and has anti-apoptotic activities. It up-regulates the gene expression of laminin-5, a major subepithelial adhesion protein, located in the basement membrane region of the cornea, conjunctiva, and important in wound healing. In compassionate-use cases, Tβ4 has demonstrated efficacy in repairing non-healing neurotrophic corneal ulcers and other corneal epithelial wounds. In twenty-four nonclinical toxicology and safety pharmacology studies, the safety of Tβ4 has been demonstrated for its current and planned uses in man. The results of the two recent dry eye murine mouse model studies show that Tβ4 reduced corneal staining more than positive controls and demonstrated statistically significant reduction in staining compared to vehicle control. The results of these studies, in addition to data from compassionate use studies in patients with non-healing corneal surface defects, suggests that Tβ4 has a significant potential to be an important new safe and effective therapeutic in the treatment of dry eye syndrome. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01387347
Study type Interventional
Source ReGenTree, LLC
Contact
Status Completed
Phase Phase 2
Start date August 2011
Completion date December 2011
View Details
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