Opus Genetics Announces Presentation on Phentolamine Ophthalmic Solution 0.75% in Dim Light Disturbances at World Cornea Congress IX

Yahoo

21-03-2025

RESEARCH TRIANGLE PARK, N.C., March 21, 2025 (GLOBE NEWSWIRE) -- Opus Genetics, Inc. (Nasdaq: IRD), a clinical-stage ophthalmic biotechnology company developing gene therapies for the treatment of inherited retinal diseases (IRDs) and therapies for other ophthalmic disorders, today announced that a presentation featuring the LYNX-1 Phase 3 study of Phentolamine Ophthalmic Solution 0.75% in patients with dim light disturbances will be delivered this week at World Cornea Congress IX, taking place March 20-22, 2025 in Washington, D.C.
Key highlights from the presentation
As previously reported, the LYNX-1 Phase 3 study met its primary endpoint, with a statistically significant greater percentage of Phentolamine Ophthalmic Solution 0.75%-treated participants gaining 15 or more letters of mesopic low contrast distance visual acuity (mLCVA) at Day 8, compared to placebo (13% vs. 3%; p<0.05).
The effect of Phentolamine Ophthalmic Solution 0.75% increased at Day 15, with 21% of participants gaining 15 or more letters of mLCVA compared to 3% of participants given the placebo (p<0.01).
Patient reported outcomes for glare, halos, and starbursts were significantly lower for the Phentolamine Ophthalmic Solution 0.75% group compared to placebo at Day 15 (p<0.01).
A subset analysis of post-LASIK participants demonstrated clinically meaningful results at Day 8, with 29% of Phentolamine Ophthalmic Solution 0.75% participants gaining 15 or more letters of mLCVA compared to 9% of participants given the placebo.
The effect of Phentolamine Ophthalmic Solution 0.75% was sustained at Day 15 in post-LASIK participants, with 21% of participants gaining 15 or more letters of mLCVA compared to 0% of participants given the placebo.
The positive LYNX-1 Phase 3 data support the rational of the ongoing Phase 3 LYNX-2 trial of Phentolamine Ophthalmic Solution 0.75% for keratorefractive patients with reduced mLCVA with photic phenomena. LYNX-2 is fully enrolled, with topline results expected mid 2025.
The full abstract can be accessed at the World Cornea Congress IX website here.
'We are pleased to present the results from the LYNX-1 Phase 3 trial of Phentolamine Ophthalmic Solution 0.75%, including a subset analysis highlighting results from participants who underwent some form of keratorefractive surgery, including LASIK,' said Jay Pepose, M.D., PhD., Chief Medical Advisor at Opus Genetics. 'Some patients who underwent keratorefractive surgery have experienced debilitating reduced mesopic vision and are more likely to be involved in motor vehicle collisions. Phentolamine Ophthalmic Solution 0.75% has the potential to be the first treatment for keratorefractive patients suffering from these debilitating symptoms.'
Presentation details
Title:
Randomized, Placebo-Controlled, Double-Masked Phase 3 Studies of Phentolamine Solution in Keratorefractive Patients with Dim Light Disturbances and Decreased Mesopic Vision
Presenter:
Jay Pepose, M.D., Ph.D. (Chief Medical Advisor, Opus Genetics)
Session:
Paper Session 2
Date/time:
Friday, March 21, 2025 at 2:10 – 2:16 PM ET
Location:
Rock Creek C, Ballroom Level, Westin Washington DC Downtown
About Opus Genetics
Opus Genetics is a clinical-stage ophthalmic biotechnology company developing gene therapies to treat patients with inherited retinal diseases (IRDs) and other treatments for ophthalmic disorders. The pipeline includes adeno-associated virus (AAV)-based investigational gene therapies that address mutations in genes that cause different forms of bestrophinopathy, Leber congenital amaurosis (LCA) and retinitis pigmentosa. Our most advanced investigational gene therapy program is designed to address mutations in the LCA5 gene, which encodes the lebercilin protein and is currently being evaluated in a Phase 1/2 open-label, dose-escalation trial, with encouraging early data. BEST1 investigational gene therapy is designed to address mutations in the BEST1 gene, which is associated with retinal degeneration; we expect that a Phase 1/2 study will be initiated in 2025. The pipeline also includes Phentolamine Ophthalmic Solution 0.75%, a non-selective alpha-1 and alpha-2 adrenergic antagonist being investigated to reduce pupil size, and APX3330, a novel small-molecule inhibitor of Ref-1, being investigated to slow the progression of non-proliferative diabetic retinopathy. Phentolamine Ophthalmic Solution 0.75% is currently being evaluated in Phase 3 trials for treatment of presbyopia and reduced dim (mesopic) light low contrast vision following keratorefractive surgery. We have reached agreement with the FDA on a SPA for a Phase 3 trial to evaluate oral APX3330 for the treatment of DR. For more information, please visit www.opusgtx.com.
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Our ability to develop and obtain regulatory approval for newly acquired gene therapies to treat inherited retinal diseases;
Our ability to obtain and maintain orphan drug designation or rare pediatric disease designation for our current and future product candidates;
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