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CompletedNCT04774237Updated Mar 27, 2026Results posted

Safety and Efficacy Study of BRIMOCHOL™, BRIMOCHOL™ F, and Carbachol in Subjects With Emmetropic Phakic and Pseudophakic Presbyopia

A Phase 2 interventional study of BRIMOCHOL™ and BRIMOCHOL™ F in Presbyopia, sponsored by Visus Therapeutics. Completed at 3 sites in United States. Open to participants aged 45 Years to 80 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2026-03-27.

Sponsored by Visus Therapeutics · Phase 2, Interventional, and Treatment

Phase
Phase 2
Study type
Interventional
Enrollment
18
Allocation
Randomized
Ages
45 Years to 80 Years
Sex
All
01

Study summary

Safety and Efficacy Study of BRIMOCHOL™ vs. BRIMOCHOL™ F vs. Carbachol Monotherapy Topical Ophthalmic Solutions in Subjects with Emmetropic Phakic and Pseudophakic Presbyopia

Read the detailed description

A 3-Dose, Multicenter, Randomized, Double-Masked, Crossover Phase 2 Safety and Efficacy Study of BRIMOCHOL™ Topical Ophthalmic Solution vs. BRIMOCHOL™ F Topical Ophthalmic Solution vs. Monotherapy with Carbachol Topical Ophthalmic Solution in Subjects with Emmetropic Phakic and Pseudophakic Presbyopia

02

Conditions studied

  • Presbyopia

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03

In context

Presbyopia

324 studies on the registry are indexed under Presbyopia; 33 are open to participants now.

This study's enrollment of 18 is below the median of 61 across 265 interventional studies indexed under Presbyopia.

Browse Presbyopia studies →

Lead sponsor

Visus Therapeutics is the lead sponsor of 3 studies on the registry; none are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
45 Years to 80 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Inclusion criteria

  • Male or female in good general health
  • Must have presbyopia

Exclusion criteria

Exclusion Criteria:

  • History of allergic reaction to the study drug or any of its components
  • Any disease or medical condition that, in the opinion of the Investigator, would prevent the subject from participating in the study or might confound study results
05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Crossover assignment
Masking
Double (Participant, Investigator)
Enrollment
18 participants (actual)

Study arms

  • Experimental
    BRIMOCHOL™

    A single drop in each eye at a visit.

    Drug: BRIMOCHOL™

  • Experimental
    BRIMOCHOL™ F

    A single drop in each eye at a visit.

    Drug: BRIMOCHOL™ F

  • Active comparator
    Carbachol

    A single drop in each eye at a visit.

    Drug: Carbachol

Interventions

  • DrugBRIMOCHOL™

    A single drop in each eye at a visit.

    Also known as: carbachol/brimonidine tartrate

  • DrugBRIMOCHOL™ F

    A single drop in each eye at a visit.

    Also known as: carbachol/brimonidine tartrate

  • DrugCarbachol

    A single drop in each eye at a visit.

    Also known as: carbachol monotherapy

06

What researchers measure

Primary outcomes

  1. Proportion of Subjects With a >=15 Letter Gain Without a < 5 Letter Loss in Near Visual Acuity

    Primary Endpoint measured at Hour 1 post-dose at Study Visit - a Single drop Cohort

    Time frame: Day 1, Hour 1 post-dose

Secondary outcomes

  1. Change From Baseline ETDRS Letters Score in Distance Visual Acuity

    Secondary Endpoint measured at Hour 1 post-dose at Study Visit - a Single drop Cohort

    Time frame: Day 1, Hour 1 post-dose

07

Results

Posted Feb 5, 2025

Participant flow

Visit 2 First Intervention
Participant flow — Visit 2 First Intervention
MilestoneB, C, BFB, BF, CC, B, BFC, BF, BBF, B, CBF, C, B
Started253233
Completed253223
Not completed000010
Withdrew: Withdrawal by subject000010
First Washout
Participant flow — First Washout
MilestoneB, C, BFB, BF, CC, B, BFC, BF, BBF, B, CBF, C, B
Started253223
Completed253223
Not completed000000
Visit 3 Second Intervention
Participant flow — Visit 3 Second Intervention
MilestoneB, C, BFB, BF, CC, B, BFC, BF, BBF, B, CBF, C, B
Started253223
Completed253223
Not completed000000
Second Washout
Participant flow — Second Washout
MilestoneB, C, BFB, BF, CC, B, BFC, BF, BBF, B, CBF, C, B
Started253223
Completed253223
Not completed000000
Visit 4 Third Intervention
Participant flow — Visit 4 Third Intervention
MilestoneB, C, BFB, BF, CC, B, BFC, BF, BBF, B, CBF, C, B
Started253223
Completed253223
Not completed000000

Outcome measures

PrimaryProportion of Subjects With a >=15 Letter Gain Without a < 5 Letter Loss in Near Visual Acuity

Primary Endpoint measured at Hour 1 post-dose at Study Visit - a Single drop Cohort

Time frame:
Day 1, Hour 1 post-dose
Reported as:
Count of participants · Participants
Proportion of Subjects With a >=15 Letter Gain Without a < 5 Letter Loss in Near Visual Acuity
ParticipantsBRIMOCHOLBRIMOCHOL PFCarbachol PF
Proportion of Subjects With a >=15 Letter Gain Without a < 5 Letter Loss in Near Visual Acuity151516
SecondaryChange From Baseline ETDRS Letters Score in Distance Visual Acuity

Secondary Endpoint measured at Hour 1 post-dose at Study Visit - a Single drop Cohort

Time frame:
Day 1, Hour 1 post-dose
Reported as:
Mean · ETDRS letters
Change From Baseline ETDRS Letters Score in Distance Visual Acuity
ETDRS lettersBRIMOCHOL™BRIMOCHOL™ FCarbachol
Change From Baseline ETDRS Letters Score in Distance Visual Acuity2.4 ± 3.392.8 ± 3.283.1 ± 2.86

Adverse events

Collected over 30 days. Non-serious events are listed at a 0% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
BRIMOCHOL0/17 (0%)0/17 (0%)1/17 (5.9%)
BRIMOCHOL PF0/18 (0%)0/18 (0%)1/18 (5.6%)
Carbachol PF0/17 (0%)0/17 (0%)0/17 (0%)
Most frequent other events
Most frequent other events
EventBRIMOCHOLBRIMOCHOL PFCarbachol PF
Eye irritationEye disorders1/170/180/17
Eye painEye disorders0/171/180/17

Baseline characteristics

Age, Continuous
Age, Continuous(Years)Single Drop Cohort
Mean52.3 ± 4.31
Sex: Female, Male
Sex: Female, Male(Participants)Single Drop Cohort
Female7
Male11
Ethnicity (NIH/OMB)
Ethnicity (NIH/OMB)(Participants)Single Drop Cohort
Hispanic or Latino7
Not Hispanic or Latino11
Unknown or Not Reported0
Race (NIH/OMB)
Race (NIH/OMB)(Participants)Single Drop Cohort
American Indian or Alaska Native1
Asian1
Native Hawaiian or Other Pacific Islander0
Black or African American2
White13
More than one race1
Unknown or Not Reported0
Region of Enrollment
Region of Enrollment(Participants)Single Drop Cohort
United States18
08

Study locations

3 sites
  • Global Research Management, Inc.
    Glendale, California 91204, United States
  • Eye Research Foundation
    Newport Beach, California 92663, United States
  • Total Eye Care, PA
    Memphis, Tennessee 38119, United States
09

References and documents

Study documents

  • Study protocol · Jul 29, 2021
  • Statistical analysis plan · Nov 1, 2021

Documents are hosted by the registry — open the source record to download them.

Individual participant data

Plan to share: No

10

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Mar 27, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT04774237
Lead sponsor
Visus Therapeutics
Responsible party
Sponsor
First posted
Mar 1, 2021
Start date
Mar 24, 2021
Primary completion
Oct 19, 2021
Completion
Oct 19, 2021
Results posted
Feb 5, 2025
Last update
Mar 27, 2026

Oversight

Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Mar 2026. You cannot join it, but the record below documents what was studied.

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