Phentolamine Mesylate Ophthalmic Solution Provides Lasting Pupil Modulation and Improves Near Visual Acuity in Presbyopic Glaucoma Patients in a Randomized Phase 2b Clinical Trial
Jay S Pepose,1,2 Paul J Hartman,3 Harvey B DuBiner,4 Marc A Abrams,5 Robert J Smyth-Medina,6 Sayoko E Moroi,7 Alan R Meyer,8 Mina P Sooch,8 Reda M Jaber,8 Konstantinos Charizanis,8 Seth A Klapman,8 Arin T Amin,8 Jonah E Yousif,8 Eliot S Lazar,9 Paul M Karpecki,10 Charles B Slonim,11 Marguerite B McD...
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Dove Medical Press
2021
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iop presbyopia night vision disturbances dim light vision disturbances pupil diameter orion-1 Ophthalmology RE1-994 |
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iop presbyopia night vision disturbances dim light vision disturbances pupil diameter orion-1 Ophthalmology RE1-994 Pepose JS Hartman PJ DuBiner HB Abrams MA Smyth-Medina RJ Moroi SE Meyer AR Sooch MP Jaber RM Charizanis K Klapman SA Amin AT Yousif JE Lazar ES Karpecki PM Slonim CB McDonald MB Phentolamine Mesylate Ophthalmic Solution Provides Lasting Pupil Modulation and Improves Near Visual Acuity in Presbyopic Glaucoma Patients in a Randomized Phase 2b Clinical Trial |
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Jay S Pepose,1,2 Paul J Hartman,3 Harvey B DuBiner,4 Marc A Abrams,5 Robert J Smyth-Medina,6 Sayoko E Moroi,7 Alan R Meyer,8 Mina P Sooch,8 Reda M Jaber,8 Konstantinos Charizanis,8 Seth A Klapman,8 Arin T Amin,8 Jonah E Yousif,8 Eliot S Lazar,9 Paul M Karpecki,10 Charles B Slonim,11 Marguerite B McDonald12 1Pepose Vision Institute, St. Louis, MO, USA; 2Department of Ophthalmology and Visual Sciences, Washington University School of Medicine, St. Louis, MO, USA; 3Department of Ophthalmology, University of Rochester, Rochester, NY, USA; 4Clayton Eye Center, Morrow, GA, USA; 5Case Western Reserve University, Cleveland, OH, USA; 6North Valley Eye Medical Group, Mission Hills, CA, USA; 7The Ohio State University Wexner Medical Center, Columbus, OH, USA; 8Ocuphire Pharma Inc, Farmington Hills, MI, USA; 9elCON Medical, Buffalo, NY, USA; 10Kentucky College of Optometry, University of Pikeville, Pikeville, KY, USA; 11Oculos Development Services, LLC, Tampa, FL, USA; 12Department of Ophthalmology, New York University Langone Medical Center, New York, NY, USACorrespondence: Konstantinos CharizanisOcuphire Pharma, Inc., 37000 Grand River Ave, Farmington, MI 48335, USATel +1 (352) 328 9117Email kcharizanis@ocuphire.comPurpose: Phentolamine mesylate ophthalmic solution (PMOS), applied to the eye topically, was shown previously to have beneficial effects in patients with dim light vision disturbances (DLD), including decreased pupil diameter (PD), improved best-corrected distance visual acuity (BCDVA), as well as lower intraocular pressure (IOP). The ORION-1 trial evaluated the long-term safety and efficacy of PMOS in a glaucomatous, presbyopic population.Patients and Methods: In this randomized, double-masked, multi-center, placebo-controlled, multiple-dose Phase 2b trial, 39 patients with elevated IOP were randomized to receive one evening dose of study medication or placebo for 14 days. The primary outcome measure was mean change in diurnal IOP, and the key secondary outcome measures included changes in PD, distance-corrected near visual acuity (DCNVA), and conjunctival hyperemia.Results: Use of 1% PMOS did not lead to a statistically significant decrease in diurnal IOP compared to placebo (P = 0.89) but trended toward a greater decrease in patients with lower IOP baselines. PMOS produced a statistically significant mean 20% PD reduction under both photopic and mesopic conditions that was sustained for 36 hours post-dosing. A statistically significant number of patients with PMOS compared to placebo demonstrated ≥ 1 line of improvement in photopic DCNVA at day 8 (P = 0.0018), day 15 (P = 0.0072), and day 16 (P = 0.0163), with a trend for 2- and 3-line improvements at all time points. There was no statistical difference in conjunctival hyperemia compared to placebo.Conclusion: Although mean IOP was not lowered significantly, daily evening dosing of 1% PMOS was found to be well tolerated with no daytime conjunctival redness and demonstrated improvement in DCNVA with sustained PD reduction in a glaucomatous and presbyopic population. Smaller pupil size can have beneficial effects in improving symptoms of presbyopia and DLD, which will be the focus of further studies.Keywords: IOP, presbyopia, night vision disturbances, dim light vision disturbances, pupil diameter, ORION-1 |
| format |
article |
| author |
Pepose JS Hartman PJ DuBiner HB Abrams MA Smyth-Medina RJ Moroi SE Meyer AR Sooch MP Jaber RM Charizanis K Klapman SA Amin AT Yousif JE Lazar ES Karpecki PM Slonim CB McDonald MB |
| author_facet |
Pepose JS Hartman PJ DuBiner HB Abrams MA Smyth-Medina RJ Moroi SE Meyer AR Sooch MP Jaber RM Charizanis K Klapman SA Amin AT Yousif JE Lazar ES Karpecki PM Slonim CB McDonald MB |
| author_sort |
Pepose JS |
| title |
Phentolamine Mesylate Ophthalmic Solution Provides Lasting Pupil Modulation and Improves Near Visual Acuity in Presbyopic Glaucoma Patients in a Randomized Phase 2b Clinical Trial |
| title_short |
Phentolamine Mesylate Ophthalmic Solution Provides Lasting Pupil Modulation and Improves Near Visual Acuity in Presbyopic Glaucoma Patients in a Randomized Phase 2b Clinical Trial |
| title_full |
Phentolamine Mesylate Ophthalmic Solution Provides Lasting Pupil Modulation and Improves Near Visual Acuity in Presbyopic Glaucoma Patients in a Randomized Phase 2b Clinical Trial |
| title_fullStr |
Phentolamine Mesylate Ophthalmic Solution Provides Lasting Pupil Modulation and Improves Near Visual Acuity in Presbyopic Glaucoma Patients in a Randomized Phase 2b Clinical Trial |
| title_full_unstemmed |
Phentolamine Mesylate Ophthalmic Solution Provides Lasting Pupil Modulation and Improves Near Visual Acuity in Presbyopic Glaucoma Patients in a Randomized Phase 2b Clinical Trial |
| title_sort |
phentolamine mesylate ophthalmic solution provides lasting pupil modulation and improves near visual acuity in presbyopic glaucoma patients in a randomized phase 2b clinical trial |
| publisher |
Dove Medical Press |
| publishDate |
2021 |
| url |
https://doaj.org/article/6761b0dbbf40492bbcfb05ba44388bd5 |
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oai:doaj.org-article:6761b0dbbf40492bbcfb05ba44388bd52021-12-02T11:56:44ZPhentolamine Mesylate Ophthalmic Solution Provides Lasting Pupil Modulation and Improves Near Visual Acuity in Presbyopic Glaucoma Patients in a Randomized Phase 2b Clinical Trial1177-5483https://doaj.org/article/6761b0dbbf40492bbcfb05ba44388bd52021-01-01T00:00:00Zhttps://www.dovepress.com/phentolamine-mesylate-ophthalmic-solution-provides-lasting-pupil-modul-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Jay S Pepose,1,2 Paul J Hartman,3 Harvey B DuBiner,4 Marc A Abrams,5 Robert J Smyth-Medina,6 Sayoko E Moroi,7 Alan R Meyer,8 Mina P Sooch,8 Reda M Jaber,8 Konstantinos Charizanis,8 Seth A Klapman,8 Arin T Amin,8 Jonah E Yousif,8 Eliot S Lazar,9 Paul M Karpecki,10 Charles B Slonim,11 Marguerite B McDonald12 1Pepose Vision Institute, St. Louis, MO, USA; 2Department of Ophthalmology and Visual Sciences, Washington University School of Medicine, St. Louis, MO, USA; 3Department of Ophthalmology, University of Rochester, Rochester, NY, USA; 4Clayton Eye Center, Morrow, GA, USA; 5Case Western Reserve University, Cleveland, OH, USA; 6North Valley Eye Medical Group, Mission Hills, CA, USA; 7The Ohio State University Wexner Medical Center, Columbus, OH, USA; 8Ocuphire Pharma Inc, Farmington Hills, MI, USA; 9elCON Medical, Buffalo, NY, USA; 10Kentucky College of Optometry, University of Pikeville, Pikeville, KY, USA; 11Oculos Development Services, LLC, Tampa, FL, USA; 12Department of Ophthalmology, New York University Langone Medical Center, New York, NY, USACorrespondence: Konstantinos CharizanisOcuphire Pharma, Inc., 37000 Grand River Ave, Farmington, MI 48335, USATel +1 (352) 328 9117Email kcharizanis@ocuphire.comPurpose: Phentolamine mesylate ophthalmic solution (PMOS), applied to the eye topically, was shown previously to have beneficial effects in patients with dim light vision disturbances (DLD), including decreased pupil diameter (PD), improved best-corrected distance visual acuity (BCDVA), as well as lower intraocular pressure (IOP). The ORION-1 trial evaluated the long-term safety and efficacy of PMOS in a glaucomatous, presbyopic population.Patients and Methods: In this randomized, double-masked, multi-center, placebo-controlled, multiple-dose Phase 2b trial, 39 patients with elevated IOP were randomized to receive one evening dose of study medication or placebo for 14 days. The primary outcome measure was mean change in diurnal IOP, and the key secondary outcome measures included changes in PD, distance-corrected near visual acuity (DCNVA), and conjunctival hyperemia.Results: Use of 1% PMOS did not lead to a statistically significant decrease in diurnal IOP compared to placebo (P = 0.89) but trended toward a greater decrease in patients with lower IOP baselines. PMOS produced a statistically significant mean 20% PD reduction under both photopic and mesopic conditions that was sustained for 36 hours post-dosing. A statistically significant number of patients with PMOS compared to placebo demonstrated ≥ 1 line of improvement in photopic DCNVA at day 8 (P = 0.0018), day 15 (P = 0.0072), and day 16 (P = 0.0163), with a trend for 2- and 3-line improvements at all time points. There was no statistical difference in conjunctival hyperemia compared to placebo.Conclusion: Although mean IOP was not lowered significantly, daily evening dosing of 1% PMOS was found to be well tolerated with no daytime conjunctival redness and demonstrated improvement in DCNVA with sustained PD reduction in a glaucomatous and presbyopic population. Smaller pupil size can have beneficial effects in improving symptoms of presbyopia and DLD, which will be the focus of further studies.Keywords: IOP, presbyopia, night vision disturbances, dim light vision disturbances, pupil diameter, ORION-1Pepose JSHartman PJDuBiner HBAbrams MASmyth-Medina RJMoroi SEMeyer ARSooch MPJaber RMCharizanis KKlapman SAAmin ATYousif JELazar ESKarpecki PMSlonim CBMcDonald MBDove Medical Pressarticleioppresbyopianight vision disturbancesdim light vision disturbancespupil diameterorion-1OphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 15, Pp 79-91 (2021) |