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Association of Oxymetazoline Hydrochloride, 0.1%, Solution Administration With Visual Field in Acquired Ptosis

医学 羟甲唑啉 上睑下垂 随机对照试验 安慰剂 视力 临床终点 麻醉 外科 眼科 内科学 肾上腺素能受体 病理 受体 替代医学
作者
Charles B. Slonim,Shane Foster,Mark Jaros,Shane Kannarr,Michael S Korenfeld,Robert Smyth-Medina,David Wirta
出处
期刊:JAMA Ophthalmology [American Medical Association]
卷期号:138 (11): 1168-1168 被引量:16
标识
DOI:10.1001/jamaophthalmol.2020.3812
摘要

Importance

Treatment of acquired blepharoptosis (ptosis) is currently limited to surgical intervention.

Objective

To examine the efficacy and safety of oxymetazoline hydrochloride, 0.1%, ophthalmic solution (oxymetazoline, 0.1%) in participants with acquired ptosis.

Design, Setting, and Participants

This pooled analysis of 2 randomized, double-masked, placebo-controlled, multicenter phase 3 clinical trials included participants 9 years and older with acquired ptosis and superior visual field deficit. The 2 studies were conducted across 16 and 27 sites in the United States. Patients were enrolled from May 2015 to April 2019. Analyses for the individual trials were initiated after database lock and completed on September 6, 2017, and May 16, 2019. Pooled analysis was completed on August 25, 2019.

Interventions

Participants (randomized 2:1) received oxymetazoline, 0.1%, or vehicle, self-administered as a single drop per eye, once daily, for 42 days.

Main Outcomes and Measures

The primary efficacy end point was change from baseline in the number of points seen on the Leicester Peripheral Field Test, a test to detect superior visual field deficits due to ptosis, on days 1 (6 hours after instillation) and 14 (2 hours after instillation). The secondary end point, change from baseline in marginal reflex distance 1, was assessed at the same time points.

Results

In total, 304 participants were enrolled (mean [SD] age, 63.8 [13.8] years; 222 women [73%]). Overall, 97.5% (198 of 203) of participants receiving oxymetazoline, 0.1%, and 97.0% (98 of 101) of participants receiving vehicle completed the studies. Oxymetazoline, 0.1%, was associated with a significant increase in the mean (SD) number of points seen on the Leicester Peripheral Field Test vs vehicle (day 1: 5.9 [6.4] vs 1.8 [4.1]; mean difference, 4.07 [95% CI, 2.74-5.39];P < .001; day 14: 7.1 [5.9] vs 2.4 [5.5]; mean difference, 4.74 [95% CI, 3.43-6.04];P < .001). Oxymetazoline, 0.1%, also was associated with a significant increase in marginal reflex distance 1 from baseline (mean [SD]: day 1: 0.96 [0.89] mm vs 0.50 [0.81] mm; mean difference, 0.47 mm [95% CI, 0.27-0.67];P < .001; day 14: 1.16 [0.87] mm vs 0.50 [0.80] mm; mean difference, 0.67 mm [95% CI, 0.46-0.88];P < .001). Treatment-emergent adverse events (TEAEs) occurred in 31.0% (63 of 203) of participants receiving oxymetazoline, 0.1%, and 35.6% (36 of 101) of participants receiving vehicle. Among participants receiving oxymetazoline, 0.1%, with a TEAE, 81% (51 of 63) had a maximum TEAE intensity of mild, and 62% (39 of 63) had no TEAE suspected of being treatment related.

Conclusions and Relevance

Oxymetazoline, 0.1%, was associated with positive outcomes and was well tolerated in phase 3 trials after instillation at days 1 and 14, demonstrating its potential promise for the treatment of acquired ptosis, although further study is needed to elucidate the clinical relevance of these findings beyond 6 weeks.
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