ISTA » Topics » Caprogel

This excerpt taken from the ISTA 10-K filed Mar 15, 2005.

Caprogel

 

Overview

 

Caprogel is a topical gel formulation of amniocaproic acid for the treatment of hyphema. In May 2002, we acquired worldwide marketing rights for Caprogel under a license agreement with Eastern Virginia Medical School.

 

Hyphema

 

Hyphema is a term used to describe bleeding in the anterior chamber, the space between the cornea and the iris, of the eye. It occurs when blood vessels in the iris bleed and leak into the clear aqueous fluid and typically results from trauma to the eye. Hyphemas are usually characterized by pooling of blood in the anterior chamber that may be visible to the naked eye. Some of the symptoms of hyphema are decreased vision, depending on the amount of blood in the eye, pooling of blood in the anterior chamber and elevated intraocular pressure.

 

The treatment is dependent on the cause and severity of the hyphema. Frequently, the blood is reabsorbed over a period of days to weeks. During this time, the doctor will carefully monitor the intraocular pressure for signs of the blood preventing normal flow of the aqueous fluid through the eye’s angle structures. If the eye pressure becomes elevated, eye drops may be prescribed to control it. In some cases, a procedure is performed to irrigate the blood from the anterior chamber to prevent secondary complications such as glaucoma and bloodstains on the cornea.

 

Market opportunity. Based on data compiled for us by Milliman U.S.A., we believe that hyphema affects an estimated 50,000 patients per year in the United States, and currently there is no available pharmaceutical agent approved for its treatment.

 

Clinical/Regulatory status. We are currently conducting feasibility studies for the reformulation and commercialization of Caprogel. Once completed, and if these studies yield promising results, we intend to pursue the remaining Phase III clinical development of Caprogel consistent with such studies’ results. However, the timing and scope for our development of Caprogel may change based on a number of factors, including, among others, our assessment, from time to time, of this product’s clinical results, market potential, other product opportunities and our corporate priorities. Caprogel has received an orphan drug designation for the treatment of hyphema from the FDA, which may result in us receiving a seven year market exclusivity privilege with respect to Caprogel, if approved.

 

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