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Completed Phase 2 Interventional

Evaluation of the Efficacy and Safety of PRX-100 in the Treatment of Early to Moderate Presbyopia

ClinicalTrials.gov ID: NCT02554396

Public ClinicalTrials.gov record NCT02554396. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 3, 2026, 5:58 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Single-Center, Double-Masked Evaluation of the Efficacy and Safety of PRX-100 (Aceclidine/Tropicamide) Ophthalmic Topical Formulation in the Treatment of Early to Moderate Presbyopia

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a one-day, randomized, double-masked, single-center evaluation of the efficacy and safety of PRX-100 ophthalmic solution compared to placebo in 20 subjects (randomized 4:1, PRX-100:placebo) to evaluate the safety of PRX-100 and the magnitude and duration of effects on improving near-vision acuity.

Study identification

NCT ID
NCT02554396
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
LENZ Therapeutics, Inc
Other
Enrollment
20 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
45 Years to 59 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Aug 31, 2015
Primary completion
Oct 31, 2015
Completion
Oct 31, 2015
Last update posted
Oct 22, 2017

2015

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Andover Eye Associates Andover Massachusetts 01810

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02554396, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Oct 22, 2017 · Synced Sep 3, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT02554396 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →