PMID- 21629568 OWN - NLM STAT- PubMed-not-MEDLINE DCOM- 20110616 LR - 20220309 IS - 1177-5483 (Electronic) IS - 1177-5467 (Print) IS - 1177-5467 (Linking) VI - 5 DP - 2011 TI - Ocular iontophoresis of EGP-437 (dexamethasone phosphate) in dry eye patients: results of a randomized clinical trial. PG - 633-43 LID - 10.2147/OPTH.S19349 [doi] AB - PURPOSE: To assess safety and efficacy of EGP-437 (dexamethasone phosphate 40 mg/mL [DP]) in dry eye patients. METHODS: The study employed a prospective, single-center, double-masked design utilizing a Controlled Adverse Environment (CAE). Patients (n = 103) with confirmed signs and symptoms of dry eye syndrome were randomized into 1 of 3 iontophoresis treatment groups: 7.5 mA-min at 2.5 mA (DP 7.5, n = 41); 10.5 mA-min at 3.5 mA (DP 10.5, n = 37); or 10.5 mA-min at 3.5 mA (placebo, n = 25). Three CAE visits and 4 follow-up visits occurred over 3 weeks. Patients meeting enrollment criteria received iontophoresis in both eyes after the second CAE exposure (visit 3) and before the third CAE exposure (visit 5). Primary efficacy endpoints were corneal staining and ocular discomfort. Secondary endpoints included tear film break-up time, ocular protection index (OPI), and symptomatology. RESULTS: The DP 7.5 and DP 10.5 treatment groups showed statistically significant improvements in signs and symptoms of dry eye at various time points; however, the primary endpoints were not achieved. The DP 7.5 treatment group exhibited statistically significant improvements in corneal staining (when comparing the differences between study entry and exit, 3 weeks, P = 0.039), OPI (immediately following the second treatment, P = 0.048) and ocular discomfort at follow-up visits (a week after the first treatment, P = 0.032; 24 hours after the second treatment, P = 0.0032). Treatment-emergent adverse events (AEs) were experienced by 87% of patients and were consistent across all treatment groups. Most AEs were mild and no severe AEs were observed. CONCLUSION: Ocular iontophoresis of EGP-437 demonstrated statistically and clinically significant improvements in signs and symptoms of dry eye syndrome within a CAE model. FAU - Patane, Michael A AU - Patane MA AD - Eyegate Pharmaceuticals, Inc, 100 Beaver Street, Waltham, MA 02453, USA. mpatane@eyegatepharma.com FAU - Cohen, Amy AU - Cohen A FAU - From, Stephen AU - From S FAU - Torkildsen, Gail AU - Torkildsen G FAU - Welch, Donna AU - Welch D FAU - Ousler, George W 3rd AU - Ousler GW 3rd LA - eng PT - Journal Article DEP - 20110515 PL - New Zealand TA - Clin Ophthalmol JT - Clinical ophthalmology (Auckland, N.Z.) JID - 101321512 PMC - PMC3104791 OTO - NOTNLM OT - Controlled Adverse Environment (CAE) OT - dry eye OT - iontophoresis OT - ocular protection index (OPI) EDAT- 2011/06/02 06:00 MHDA- 2011/06/02 06:01 PMCR- 2011/05/15 CRDT- 2011/06/02 06:00 PHST- 2011/05/13 00:00 [received] PHST- 2011/06/02 06:00 [entrez] PHST- 2011/06/02 06:00 [pubmed] PHST- 2011/06/02 06:01 [medline] PHST- 2011/05/15 00:00 [pmc-release] AID - opth-5-633 [pii] AID - 10.2147/OPTH.S19349 [doi] PST - ppublish SO - Clin Ophthalmol. 2011;5:633-43. doi: 10.2147/OPTH.S19349. Epub 2011 May 15.