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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03201562
Other study ID # PRX100.FDAIIb
Secondary ID
Status Completed
Phase Phase 2
First received
Last updated
Start date April 30, 2017
Est. completion date May 20, 2018

Study information

Verified date September 2022
Source LENZ Therapeutics, Inc
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

To evaluate the safety and efficacy of PRX-100 compared with aceclidine alone and vehicle in the treatment of early to moderate presbyopia.


Recruitment information / eligibility

Status Completed
Enrollment 58
Est. completion date May 20, 2018
Est. primary completion date May 20, 2018
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 48 Years to 64 Years
Eligibility Inclusion Criteria: 1. Be able and willing to provide written informed consent and sign Health Information Portability and Accountability Act (HIPAA) form prior to any study procedure being performed; 2. Be able and willing to follow all instructions and attend study visits; 3. Be 48-64 years of age of either sex and any race or ethnicity at visit 1; 4. Be an early to moderate presbyope determined by screening monocular best-corrected distance visual acuity (VA) at 45 cm 5. Be able and willing to avoid all disallowed medications for the appropriate washout period and during the study without significant risk to the subject. Exclusion Criteria: 1. Be a female of childbearing potential who is currently pregnant, nursing or planning a pregnancy; 2. Have known contraindications or sensitivity to the use of any of the study medications(s) or their components; 3. Have an active ocular infection at visit 1 (bacterial, viral or fungal), positive history of an ocular herpetic infection, preauricular lymphadenopathy, or ongoing, active ocular inflammation (eg, moderate to severe blepharitis, allergic conjunctivitis, peripheral ulcerative keratitis, scleritis, uveitis) in either eye; 4. Have moderate or severe dry eye; 5. Have clinically significant abnormal lens findings (eg cataract) including early lens changes and/or any evidence of a media opacity in either eye; 6. Have dark-adapted pupillometry measurements of < 4.0 mm in either eye; 7. Have intraocular pressure (IOP) that is less than 5 millimeters of mercury (mmHg) or greater than 22 mmHg in either eye documented at visit 1, or have a prior diagnosis of ocular hypertension or glaucoma or currently being treated with any type of topical IOP lowering (glaucoma) medication at visit 1; 8. Have abnormal findings on dilated fundus exam in either eye documented within 3 months of visit 1 or a known history of retinal detachment or clinically significant retinal disease in either eye; 9. Have a known history or diagnosis in the past of: iritis, scleritis or uveitis, whether active or inactive; 10. Have had surgical intervention (ocular or systemic) within 6 months prior to visit 1, or planned surgical intervention within 30 days after visit 4; 11. Have undergone refractive eye surgery (incisional keratotomy, photorefractive keratectomy [PRK], laser in situ keratomileusis [LASIK], laser-assisted sub-epithelial keratectomy [LASEK]), corneal inlay procedures, cataract extraction, or intraocular lens placement; 12. Use artificial tears or lubricant eye ointment on a daily basis; 13. Have an inability or refuse to discontinue soft contact lens wear 7 days prior to study visit 1 and rigid gas permeable (RGP) contact lens wear 14 days prior to visit 1 and during the study; 14. Use any of the following disallowed medications during the 2 weeks (14 days) prior to visit 1 and during the study: 1. narcotic (opiate class) pain medication (eg, codeine, OxyContin®, Vicodin®, Tramadol®) 2. bladder medication (eg Urecholine®, bethanechol) 3. antipsychotics 4. antidepressants 5. attention -deficit/hyperactivity disorder (ADHD) medications 6. alpha-blockers (eg, tamsulosin, Flomax®, Jayln®, Uroxatral®, Rapaflo®) 7. anticholinergics (eg, atropine, belladonna, benztropine, dicyclomine, donepezil, hyoscyamine, propantheline, scopolamine, trihexphenidyl) 8. muscarinic receptor agonists or cholinergic agonists (eg, Salagen®, Evoxac®) 9. over-the-counter (OTC) or prescription antihistamines or decongestants 10. any prescribed topical ophthalmic medications 11. recreational drug use (eg, marijuana, methadone, heroin, cocaine); 15. Have a diagnosis of diabetes mellitus or a history of elevated blood sugar; 16. Have a condition or a situation, which in the Investigator's opinion, may put the subject at increased risk, confound study data, or interfere significantly with the subject's study participation, including but not limited to unstable: cardiovascular, hepatic, renal, respiratory, gastrointestinal, endocrine, immunologic, dermatologic, hematologic, neurologic, or psychiatric disease.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Aceclidine+tropicamide combination
Ophthalmic Solution
Aceclidine
Ophthalmic Solution
Vehicle
Ophthalmic Solution

Locations

Country Name City State
United States Andover Eye Associates Andover Massachusetts

Sponsors (1)

Lead Sponsor Collaborator
LENZ Therapeutics, Inc

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Proportion of Subjects With at Least a 3 Line (15 Letter) Improvement in Near Visual Acuity in the Study Eye Proportion of subjects with at least a 3 line (15 letter) improvement in near visual acuity in the study eye at 1 hour post-treatment in the mITT population 1 hour post-treatment
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