CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 150 enrolled
Drug / intervention
Phentolamine Ophthalmic Solution 0.75% +2 moredrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04675151
NCT04675151Phase 2Completed

Safety and Efficacy of Nyxol (0.75% Phentolamine Ophthalmic Solution) With Pilocarpine Eye Drops in Subjects With Presbyopia

Ocuphire Pharma, Inc.·interventional·Posted Dec 19, 2020·Updated Oct 10, 2025

In Brief

A Phase 2 clinical trial evaluating Phentolamine Ophthalmic Solution 0.75%, Pilocarpine, and 1 other intervention for Presbyopia. Completed, enrolled 150 participants across 17 sites.

Detailed Summary

The objectives of this study are: To evaluate the efficacy of Nyxol + Pilocarpine to improve DCNVA in subjects with presbyopia

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsPresbyopia
CountriesUnited States
Collaborators--

Timeline

Phase 2CompletedFinished
202120222023202420252026
First PostedDec 19, 2020
Enrollment StartFeb 15, 2021
Primary CompletionMay 17, 2021
Study CompletionJun 30, 2021
TodayJul 2, 2026
Enrollment to primary: 3 monthsPosted 5.5 years ago

Interventions

Phentolamine Ophthalmic Solution 0.75%drug

0.75% phentolamine ophthalmic solution (Nyxol), a non-selective alpha-1 and alpha-2 adrenergic antagonist

Pilocarpinedrug

Pilocarpine ophthalmic solution

Placeboother

Topical sterile ophthalmic solution