CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 333 enrolled
Drug / intervention
Phentolamine Opthalmic Solution 0.75% +3 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/NCT05646719
NCT05646719Phase 3Completed

Randomized, Double-Masked, Placebo-Controlled, Multicenter, Phase 3 Study of the Safety and Efficacy of Nyxol (Phentolamine Ophthalmic Solution 0.75%) as a Single Agent and With Adjunctive Low-Dose Pilocarpine Hydrochloride Ophthalmic Solution 0.4% in Subjects With Presbyopia

Ocuphire Pharma, Inc.·interventional·Posted Dec 12, 2022·Updated Mar 12, 2026

In Brief

A Phase 3 clinical trial evaluating Phentolamine Opthalmic Solution 0.75%, Placebo, and 2 other interventions for Presbyopia. Completed, enrolled 333 participants across 26 sites.

Detailed Summary

The objectives of this study are: To evaluate the safety and efficacy of Nyxol alone and with adjunctive low dose pilocarpine to improve distance-corrected near visual acuity (DCNVA) in subjects with presbyopia.

Study Details

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

Timeline

Phase 3CompletedFinished
2023202420252026
First PostedDec 12, 2022
Enrollment StartDec 22, 2022
Primary CompletionOct 11, 2023
TodayJul 2, 2026
Enrollment to primary: 10 monthsPosted 3.6 years ago

Interventions

Phentolamine Opthalmic Solution 0.75%drug

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

Placeboother

Vehicle for Phentolamine Ophthalmic Solution

Low dose pilocarpinedrug

Pilocarpine hydrochloride ophthalmic solution 0.4%

Low dose pilocarpine vehicleother

Vehicle for low dose pilocarpine