NCT05753189

Brief Summary

Safety Study of the Long-Term Safety of LNZ100 \& LNZ101 in Presbyopic Subjects

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
362

participants targeted

Target at P50-P75 for phase_3

Timeline
Completed

Started Feb 2023

Shorter than P25 for phase_3

Geographic Reach
1 country

40 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

February 7, 2023

Completed
14 days until next milestone

Study Start

First participant enrolled

February 21, 2023

Completed
10 days until next milestone

First Posted

Study publicly available on registry

March 3, 2023

Completed
11 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 9, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 9, 2024

Completed
2.3 years until next milestone

Results Posted

Study results publicly available

May 13, 2026

Completed
Last Updated

May 13, 2026

Status Verified

May 1, 2026

Enrollment Period

12 months

First QC Date

February 7, 2023

Results QC Date

February 5, 2026

Last Update Submit

May 12, 2026

Conditions

Keywords

Pharmaceutical SolutionsOpthalmic SolutionsEye DropsCLARITYPresbyopiaMiotics

Outcome Measures

Primary Outcomes (1)

  • Number of Participants With at Least One Treatment-Related TEAE

    Number and Percentage of Participants with at least one Treatment-Related Treatment-Emergent Adverse Events (TEAE) were collected by systematic assessment and coded using MedDRA.

    7 visits over a total duration of approximately 28 weeks

Study Arms (3)

Aceclidine + Brimonidine (LNZ101) dosed bilaterally

EXPERIMENTAL

LNZ101: Aceclidine + Brimonidine ophthalmic solution

Drug: Aceclidine+Brimonidine combination ophthalmic solution

Aceclidine Ophthalmic Solution (LNZ100) dosed bilaterally

EXPERIMENTAL

LNZ100: Aceclidine ophthalmic solution

Drug: Aceclidine ophthalmic solution

Vehicle Ophthalmic Solution dosed bilaterally

EXPERIMENTAL

Vehicle ophthalmic solution

Drug: Vehicle

Interventions

Aceclidine + Brimonidine combination ophthalmic solution

Also known as: LNZ101
Aceclidine + Brimonidine (LNZ101) dosed bilaterally

Aceclidine ophthalmic solution

Also known as: LNZ100
Aceclidine Ophthalmic Solution (LNZ100) dosed bilaterally

Vehicle

Also known as: Proprietary vehicle ophthalmic solution
Vehicle Ophthalmic Solution dosed bilaterally

Eligibility Criteria

Age45 Years - 75 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Be able and willing to provide written informed consent and sign a Health Information Portability and Accountability Act (HIPAA) form prior to any study procedure being performed;
  • Be able and willing to follow all instructions and attend all study visits;
  • Be 45-75 years of age of either sex and any race or ethnicity at Visit 1;
  • Have +1.00 to -4.00 diopter (D) of sphere calculated in minus cylinder (so that spherical equivalent (SE) results in myopia no more severe than -4.00 D MRSE) in both eyes determined by manifest refraction documented at Visit 1;
  • Have ≤2.00 D of cylinder (minus cylinder) in both eyes determined by manifest refraction documented at Visit 1;
  • Be presbyopic as determined at Visit 1

You may not qualify if:

  • Be a female of childbearing potential who is currently pregnant, nursing, or planning a pregnancy;
  • Have known contraindications or sensitivity to the use of any of the study medications or their components;
  • Have an active ocular infection at Visit 1 or at Visit 2 (bacterial, viral, or fungal), positive history of an ocular herpetic infection, preauricular lymphadenopathy, or ongoing, active ocular inflammation in either eye;
  • Have moderate or severe dry eye defined as total central corneal fluorescein staining in either eye at Visit 1;
  • Have clinically significant abnormal lens findings including early lens changes during dilated slit lamp biomicroscopy and fundus exam documented within 3 months of Visit 1 or at Visit 1

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (40)

Site #326

Dothan, Alabama, 36301, United States

Location

Site #302

Chandler, Arizona, 85224, United States

Location

Site #320

Mesa, Arizona, 85202, United States

Location

Site #321

Phoenix, Arizona, 85032, United States

Location

Site #328

Phoenix, Arizona, 85053, United States

Location

Site #338

Scottsdale, Arizona, 85260, United States

Location

Site #331

Sun City, Arizona, 85351, United States

Location

Site #303

Garden Grove, California, 92843, United States

Location

Site #313

Glendale, California, 91204, United States

Location

Site #334

La Jolla, California, 92037, United States

Location

Site #322

Newport Beach, California, 92663, United States

Location

Site #306

Petaluma, California, 94954, United States

Location

Site #337

Rancho Cordova, California, 95670, United States

Location

Site #304

Santa Barbara, California, 93105, United States

Location

Site #308

Littleton, Colorado, 80120, United States

Location

Site #316

Danbury, Connecticut, 06810, United States

Location

Site #319

Crystal River, Florida, 34429, United States

Location

Site #309

Mt. Dora, Florida, 32757, United States

Location

Site #339

Morrow, Georgia, 30260, United States

Location

Site #340

Northbrook, Illinois, 60062, United States

Location

Site #317

Rock Island, Illinois, 61201, United States

Location

Site #301

Overland Park, Kansas, 66210, United States

Location

Site #307

Pittsburg, Kansas, 66762, United States

Location

Site #324

Louisville, Kentucky, 40206, United States

Location

Site #336

Alexandria, Minnesota, 56308, United States

Location

Site #330

Kansas City, Missouri, 64154, United States

Location

Site #325

St Louis, Missouri, 63128, United States

Location

Site #335

Bozeman, Montana, 59718, United States

Location

Site #341

Dover, New Jersey, 07801, United States

Location

Site #310

Fargo, North Dakota, 58103, United States

Location

Site #332

West Fargo, North Dakota, 58078, United States

Location

Site #329

Cincinnati, Ohio, 45242, United States

Location

Site #323

Powell, Ohio, 43065, United States

Location

Site #333

Eugene, Oregon, 97401, United States

Location

Site #312

Cranberry Township, Pennsylvania, 16066, United States

Location

Site #315

Memphis, Tennessee, 38104, United States

Location

Site #311

Smyrna, Tennessee, 37167, United States

Location

Site #314

El Paso, Texas, 79902, United States

Location

Site #318

San Antonio, Texas, 78229, United States

Location

Site #327

San Antonio, Texas, 78229, United States

Location

MeSH Terms

Conditions

PresbyopiaMyopiaRefractive ErrorsEye Diseases

Results Point of Contact

Title
Marc Odrich, MD
Organization
LENZ Therapeutics, Inc.

Study Officials

  • Kris Gambelin, BS

    LENZ Therapeutics, Inc

    STUDY DIRECTOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Masking Details
Double-masked treatment will be used to reduce potential of bias during data collection and the evaluation of clinical endpoints.
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: A Multi-Center, Double-Masked Phase 3 Evaluation of the Long-Term Safety of LNZ100 \& LNZ101 in Presbyopic Subjects
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 7, 2023

First Posted

March 3, 2023

Study Start

February 21, 2023

Primary Completion

February 9, 2024

Study Completion

February 9, 2024

Last Updated

May 13, 2026

Results First Posted

May 13, 2026

Record last verified: 2026-05

Data Sharing

IPD Sharing
Will not share

Locations