April 07, 2006
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Othera, NEI collaborate in dry AMD study

EXTON, Pa. — A topical eye drop developed to slow enlargement of the atrophic area in the macula and prevent dry age-related macular degeneration from becoming wet AMD has entered phase 2 trials, the drug’s developer said in a press release.

Othera Pharmaceuticals Inc., in conjunction with the National Eye Institute, has begun a phase 2 trial of OT-551 in 10 patients with geographic atrophy. Once patient enrollment is complete, participants will receive three daily doses of the drop over 2 years, according to a press release. Primary efficacy measures will include the percent change in area of geographic atrophy in each eye, as measured by fundus photography.

OT-551 is a low molecular weight compound that has “shown benefit in various animal models of macular degeneration, exhibiting both anti-inflammatory and anti-angiogenic effects,” according to the release. The compound is also in phase 2 trials for the prevention or slowing the progression of post-vitrectomy nuclear cataract. Additional phase 2 studies are being planned, the company said.