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Study to Evaluate the Safety of the Viscoelastic Substance PRO-149, Compared to Healon® EndoCoat.

Clinical Study to Evaluate the Safety of the Viscoelastic Substance PRO-149 When Used as a Device During Phacoemulsification and Intraocular Lens Implantation in Patients With Age-related Cataract, Compared to Healon® EndoCoat.

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04702802
Acronym
PRO-149
Enrollment
36
Registered
2021-01-11
Start date
2021-09-07
Completion date
2021-10-29
Last updated
2025-12-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Age-related Cataract, Phacoemulsification

Brief summary

Pilot, controlled, parallel group, open, randomized clinical trial to evaluate the safety of the viscoelastic substance PRO-149 (sodium hyaluronate 3%) after trans-surgical administration as a device in performing phacoemulsification and intraocular lens implantation in 36 patients with age-related cataract, compared to Healon® EndoCoat (sodium hyaluronate 3%).

Interventions

DEVICESodium hyaluronate 3%

During intraocular surgery phacoemulsification and intraocular lens implantation, patients with age-related cataract will be exposed to injection of viscoelastic device in the anterior chamber, allowing the procedure to take place.

Sponsors

Laboratorios Sophia S.A de C.V.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

Pilot, controlled, open, comparative, randomized clinical trial.

Eligibility

Sex/Gender
ALL
Age
49 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Age ≥ 49 years old * Age-related cataract diagnosis which requires phacoemulsification and monofocal intraocular lens implantation * Being capable of voluntarily grant a signed informed consent. * Being willing and able to meet the requirements of the study such as attending programmed visits, treatment plan and other study procedures. * Willingness to be subjected to phacoemulsification and monofocal intraocular lens implantation. * An anterior chamber depth of ≥ 2.8 mm measured through IOL Master®. * Pre-surgical cardiologic evaluation that validates the patient's eligibility to surgical procedure, including supporting studies: blood biometry, blood chemistry, clotting time, and electrocardiogram. This evaluation must not exceed 45 days prior to the date of signing of the informed consent.

Exclusion criteria

* Previous history of any systemic medical affliction that prevents a patient from being considered eligible for the surgical procedure under sedation and topical anesthesia. * Previous history of Diabetes Mellitus with A1C ≥ 6.5% (48 mmol/mol) or glucose levels (after no caloric ingestion for ≥ 8 hours) of ≥ 126 mg/dL (7.0 mmol/L). * Poorly controlled systemic arterial hypertension, defined as a value ≥ 140/90 despite the use of three antihypertensive drugs (one of them a diuretic) at maximum dose. * Previous history of ocular diseases that may limit the BCVA, or that may reactivate or worsen due to the surgical procedure or due to the use of topical steroids (por example, retinal detachment, macular degeneration, degenerative myopia, proliferative diabetic retinopathy, diabetic macular edema, optic neuritis, uveitis or any other kind of ocular inflammation, glaucoma, intraocular hypertension, corneal dystrophies or ectasias, history of ocular herpes or zoster). * Active ocular infection * Pseudoexfoliation syndrome in the eye to withstand surgery, or any other such zonular compromise. * Pharmacological mydriasis \< 6 mm. * Any congenital anomalies in the eye to withstand surgery. * Any alteration that prevents a reliable Goldmann tonometry in the eye to withstand surgery. * IOP \>21mmHg in the eye to withstand surgery, or previous history of IOP \> 21 mmHg after topical steroid use. * Corneal endothelial cell count \< 1500 cells/mm2 in the eye to withstand surgery. * Previous history of corneal or intraocular surgery. * Planned multiple procedures during cataract surgery (for example, trabeculectomy, keratotomies, etc) * Previous history of ocular trauma in the eye to withstand surgery (including surgical procedures) * Having one functional eye. * Having participated in clinical trials within 30 days prior to signing this study's informed consent form. * Having participated previously in this study. * Previous history of drug addiction within the last 2 years prior to signing this study's informed consent form. * Having a previous history of any ophthalmological surgical procedure, within the last 3 months prior to the informed consent signing date. * Having any kind of programed surgery during the period of this study. * Being or having any immediate family members (spouse, parent/legal tutor, sibling or child) who work either in the investigation center or for the sponsor of this study.

Design outcomes

Primary

MeasureTime frameDescription
Change in Intraocular Pressure (IOP)Days: -15 (±2) (eligibility visit [EV]), 1 (first safety evaluation visit [V1]), 8 (±2) (second safety evaluation visit [V2]), and 29 (±2) (final visit [FV])Measured through Goldman tonometer in milligrams of mercury (mmHg). After instillation of topical anesthetic (tetracaine 0.5%) and fluorescein stain, IOP is evaluated twice to obtain an average to be recorded. Normal values are considered between 10 and 21 mmHg.
Change in Corneal Endothelial Cell CountDays: -15 (±2) (eligibility visit), and 29 (±2) (final visit)By means of specular microscopy, endothelial cell count will take place. Density expressed in cells/mm2 will be recorded. Normal density varies according to age, but an average of 1500 - 3500 cells/mm2 (age 40 to 90) has been described.

Secondary

MeasureTime frameDescription
Change in Anterior Chamber FlareDays: -15 (±2) (eligibility visit [EV]), 1 (first safety evaluation visit [V1]), 8 (±2) (second safety evaluation visit [V2]), and 29 (±2) (final visit [FV])During evaluation with a slit lamp, setting the beam of light to 0.2 mm x 0.2 mm dimensions, it will be obliquely aimed to the anterior chamber. The Standardization of Uveitis Nomenclature (SUN) system was used for grading this variable: grade 0 (No flare), grade 1+ (Mild), grade 2+ (Moderate; iris and lens clearly visible), grade 3+ (Marked; slightly blurry iris and lens), grade 4+ (\>60 cells; fibrin). A higher score represents a worse outcome.
Change in Best Corrected Visual Acuity (BCVA)Days: -15 (±2) (eligibility visit [EV]), 1 (first safety evaluation visit [V1]), 8 (±2) (second safety evaluation visit [V2]), and 29 (±2) (final visit [FV])With the patient's best possible refractive correction, visual acuity will be evaluated through the Snellen chart. Its notation (fraction or decimal) is described as the distance from the chart at which the test is performed, divided by the distance at which a letter equals vertically 5 minutes of arc.
Number of Participants Presenting Adverse EventsFrom Day -15 (±2) (eligibility visit) through Day 29 (±2) (final visit)Presence/absence adverse events, defined as the appearance of any unfavorable reaction in a patient participating in a clinical investigation in which any pharmaceutical product is being administered, regardless of the causal attribution.
Change in Central Corneal ThicknessDays: -15 (±2) (eligibility visit [EV]), and 29 (±2) (final visit [FV])By means of specular microscopy, corneal thickness will be evaluated, reported in μm.
Change in Anterior Chamber CellularityDays: -15 (±2) (eligibility visit [EV]), 1 (first safety evaluation visit [V1]), 8 (±2) (second safety evaluation visit [V2]), and 29 (±2) (final visit [FV])During evaluation with a slit lamp, setting the beam of light to 0.2 mm x 0.2 mm dimensions, it will be obliquely aimed to the anterior chamber. The Standardization of Uveitis Nomenclature (SUN) system was used for grading this variable, according to number of observed cells: grade 0 (none), grade ½+ (1-5 cells), grade 1+ (6-15 cells), grade 2+ (16-25 cells), grade 3+ (26-60 cells), grade 4+ (\>60 cells). A higher score represents a worse outcome.

Other

MeasureTime frameDescription
Trans-surgical EvaluationDays: 0 (surgery)During the phacoemulsification and intraocular lens implantation, the surgeon will evaluate the performance of the viscoelastic substance used during the procedure trough a questionnaire that will inquire on the following: Capability to maintain a formed anterior chamber during continuous circular capsulorhexis and intraocular lens implantation, retention during phacoemulsification, user-friendliness, ergonomics, ease of use during capsulorhexis, transparency during surgery and ease of use during extraction. Scale: 0 (very bad), 1 (bad), 2 (acceptable), 3 (good), 4 (very good).

Countries

Mexico

Participant flow

Participants by arm

ArmCount
Arm 1; PRO-149
Viscoelastic substance PRO-149 (sodium hyaluronate 3%) in pre-filled syringe to be applied in the ocular anterior chamber during phacoemulsification surgery in an amount sufficient to form the desired intraocular space and allow the technical maneuvers required for the procedure. Sodium hyaluronate 3%: During intraocular surgery phacoemulsification and intraocular lens implantation, patients with age-related cataract will be exposed to injection of viscoelastic device in the anterior chamber, allowing the procedure to take place.
18
Arm 1; PRO-149
Viscoelastic substance PRO-149 (sodium hyaluronate 3%) in pre-filled syringe to be applied in the ocular anterior chamber during phacoemulsification surgery in an amount sufficient to form the desired intraocular space and allow the technical maneuvers required for the procedure. Sodium hyaluronate 3%: During intraocular surgery phacoemulsification and intraocular lens implantation, patients with age-related cataract will be exposed to injection of viscoelastic device in the anterior chamber, allowing the procedure to take place.
18
Arm 2; Healon® EndoCoat
Viscoelastic substance Healon® EndoCoat (sodium hyaluronate 3%) in pre-filled syringe to be applied in the ocular anterior chamber during phacoemulsification surgery in an amount sufficient to form the desired intraocular space and allow the technical maneuvers required for the procedure. Sodium hyaluronate 3%: During intraocular surgery phacoemulsification and intraocular lens implantation, patients with age-related cataract will be exposed to injection of viscoelastic device in the anterior chamber, allowing the procedure to take place.
18
Arm 2; Healon® EndoCoat
Viscoelastic substance Healon® EndoCoat (sodium hyaluronate 3%) in pre-filled syringe to be applied in the ocular anterior chamber during phacoemulsification surgery in an amount sufficient to form the desired intraocular space and allow the technical maneuvers required for the procedure. Sodium hyaluronate 3%: During intraocular surgery phacoemulsification and intraocular lens implantation, patients with age-related cataract will be exposed to injection of viscoelastic device in the anterior chamber, allowing the procedure to take place.
18
Total72

Baseline characteristics

CharacteristicArm 1; PRO-149Arm 2; Healon® EndoCoatTotal
Age, Continuous67.11 years
STANDARD_DEVIATION 10.8
72.50 years
STANDARD_DEVIATION 8.8
69.89 years
STANDARD_DEVIATION 15.39
Corneal Endothelial Cell Count2584.39 cells/mm2
STANDARD_DEVIATION 385.5
2558.33 cells/mm2
STANDARD_DEVIATION 363.4
2571.36 cells/mm2
STANDARD_DEVIATION 369.45
Race and Ethnicity Not Collected0 Participants
Region of Enrollment
Mexico
18 participants18 participants36 participants
Sex: Female, Male
Female
11 Participants13 Participants24 Participants
Sex: Female, Male
Male
7 Participants5 Participants12 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 180 / 18
other
Total, other adverse events
1 / 182 / 18
serious
Total, serious adverse events
0 / 180 / 18

Outcome results

Primary

Change in Corneal Endothelial Cell Count

By means of specular microscopy, endothelial cell count will take place. Density expressed in cells/mm2 will be recorded. Normal density varies according to age, but an average of 1500 - 3500 cells/mm2 (age 40 to 90) has been described.

Time frame: Days: -15 (±2) (eligibility visit), and 29 (±2) (final visit)

ArmMeasureValue (MEAN)Dispersion
Arm 1; PRO-149Change in Corneal Endothelial Cell Count-441.33 cells/mm2Standard Deviation 420.4
Arm 2; Healon® EndoCoatChange in Corneal Endothelial Cell Count-482.3 cells/mm2Standard Deviation 487.7
Primary

Change in Intraocular Pressure (IOP)

Measured through Goldman tonometer in milligrams of mercury (mmHg). After instillation of topical anesthetic (tetracaine 0.5%) and fluorescein stain, IOP is evaluated twice to obtain an average to be recorded. Normal values are considered between 10 and 21 mmHg.

Time frame: Days: -15 (±2) (eligibility visit [EV]), 1 (first safety evaluation visit [V1]), 8 (±2) (second safety evaluation visit [V2]), and 29 (±2) (final visit [FV])

ArmMeasureGroupValue (MEAN)Dispersion
Arm 1; PRO-149Change in Intraocular Pressure (IOP)V1 IOP19.28 mmHgStandard Deviation 7.1
Arm 1; PRO-149Change in Intraocular Pressure (IOP)EV IOP15.83 mmHgStandard Deviation 2.4
Arm 1; PRO-149Change in Intraocular Pressure (IOP)V2 IOP15.78 mmHgStandard Deviation 2.7
Arm 1; PRO-149Change in Intraocular Pressure (IOP)FV IOP15.22 mmHgStandard Deviation 3
Arm 2; Healon® EndoCoatChange in Intraocular Pressure (IOP)FV IOP14.94 mmHgStandard Deviation 2.7
Arm 2; Healon® EndoCoatChange in Intraocular Pressure (IOP)V2 IOP15.56 mmHgStandard Deviation 3.1
Arm 2; Healon® EndoCoatChange in Intraocular Pressure (IOP)EV IOP15.78 mmHgStandard Deviation 2.2
Arm 2; Healon® EndoCoatChange in Intraocular Pressure (IOP)V1 IOP16.50 mmHgStandard Deviation 4.6
Secondary

Change in Anterior Chamber Cellularity

During evaluation with a slit lamp, setting the beam of light to 0.2 mm x 0.2 mm dimensions, it will be obliquely aimed to the anterior chamber. The Standardization of Uveitis Nomenclature (SUN) system was used for grading this variable, according to number of observed cells: grade 0 (none), grade ½+ (1-5 cells), grade 1+ (6-15 cells), grade 2+ (16-25 cells), grade 3+ (26-60 cells), grade 4+ (\>60 cells). A higher score represents a worse outcome.

Time frame: Days: -15 (±2) (eligibility visit [EV]), 1 (first safety evaluation visit [V1]), 8 (±2) (second safety evaluation visit [V2]), and 29 (±2) (final visit [FV])

ArmMeasureGroupValue (NUMBER)
Arm 1; PRO-149Change in Anterior Chamber CellularityEV Anterior chamber cellularity : 0 (none)18 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber CellularityEV Anterior chamber cellularity : 1/2 (1-5)0 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber CellularityEV Anterior chamber cellularity : 1 + (6-15)0 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber CellularityEV Anterior chamber cellularity : 2 + (16-250 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber CellularityV1 Anterior chamber cellularity : 0 (none)1 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber CellularityV1 Anterior chamber cellularity : 1/2 (1-5)7 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber CellularityV1 Anterior chamber cellularity : 1 + (6-15)8 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber CellularityV1 Anterior chamber cellularity : 2 + (16-252 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber CellularityV2 Anterior chamber cellularity : 0 (none)9 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber CellularityV2 Anterior chamber cellularity : 1/2 (1-5)8 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber CellularityV2 Anterior chamber cellularity : 1 + (6-15)1 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber CellularityV2 Anterior chamber cellularity : 2 + (16-250 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber CellularityFV Anterior chamber cellularity : 0 (none)18 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber CellularityFV Anterior chamber cellularity : 1/2 (1-5)0 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber CellularityFV Anterior chamber cellularity : 1 + (6-15)0 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber CellularityFV Anterior chamber cellularity : 2 + (16-250 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber CellularityFV Anterior chamber cellularity : 2 + (16-250 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber CellularityEV Anterior chamber cellularity : 0 (none)18 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber CellularityV2 Anterior chamber cellularity : 0 (none)9 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber CellularityEV Anterior chamber cellularity : 1/2 (1-5)0 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber CellularityFV Anterior chamber cellularity : 0 (none)18 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber CellularityEV Anterior chamber cellularity : 1 + (6-15)0 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber CellularityV2 Anterior chamber cellularity : 1/2 (1-5)7 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber CellularityEV Anterior chamber cellularity : 2 + (16-250 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber CellularityFV Anterior chamber cellularity : 1 + (6-15)0 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber CellularityV1 Anterior chamber cellularity : 0 (none)0 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber CellularityV2 Anterior chamber cellularity : 1 + (6-15)2 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber CellularityV1 Anterior chamber cellularity : 1/2 (1-5)5 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber CellularityFV Anterior chamber cellularity : 1/2 (1-5)0 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber CellularityV1 Anterior chamber cellularity : 1 + (6-15)9 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber CellularityV2 Anterior chamber cellularity : 2 + (16-250 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber CellularityV1 Anterior chamber cellularity : 2 + (16-254 Cases (eyes)
Secondary

Change in Anterior Chamber Flare

During evaluation with a slit lamp, setting the beam of light to 0.2 mm x 0.2 mm dimensions, it will be obliquely aimed to the anterior chamber. The Standardization of Uveitis Nomenclature (SUN) system was used for grading this variable: grade 0 (No flare), grade 1+ (Mild), grade 2+ (Moderate; iris and lens clearly visible), grade 3+ (Marked; slightly blurry iris and lens), grade 4+ (\>60 cells; fibrin). A higher score represents a worse outcome.

Time frame: Days: -15 (±2) (eligibility visit [EV]), 1 (first safety evaluation visit [V1]), 8 (±2) (second safety evaluation visit [V2]), and 29 (±2) (final visit [FV])

ArmMeasureGroupValue (NUMBER)
Arm 1; PRO-149Change in Anterior Chamber FlareEV Anterior Chamber Flare : 0 (No flare)18 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber FlareEV Anterior Chamber Flare : 1+ (Mild)0 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber FlareEV Anterior Chamber Flare : 2+ (Moderate; iris and lens clearly visible)0 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber FlareV1 Anterior Chamber Flare : 0 (No flare)11 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber FlareV1 Anterior Chamber Flare : 1+ (Mild)6 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber FlareV1 Anterior Chamber Flare : 2+ (Moderate; iris and lens clearly visible)1 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber FlareV2 Anterior Chamber Flare : 0 (No flare)18 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber FlareV2 Anterior Chamber Flare : 1+ (Mild)0 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber FlareV2 Anterior Chamber Flare : 2+ (Moderate; iris and lens clearly visible)0 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber FlareFV Anterior Chamber Flare : 0 (No flare)18 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber FlareFV Anterior Chamber Flare : 1+ (Mild)0 Cases (eyes)
Arm 1; PRO-149Change in Anterior Chamber FlareFV Anterior Chamber Flare : 2+ (Moderate; iris and lens clearly visible)0 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber FlareFV Anterior Chamber Flare : 1+ (Mild)0 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber FlareEV Anterior Chamber Flare : 0 (No flare)18 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber FlareV2 Anterior Chamber Flare : 0 (No flare)17 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber FlareEV Anterior Chamber Flare : 1+ (Mild)0 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber FlareFV Anterior Chamber Flare : 0 (No flare)18 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber FlareEV Anterior Chamber Flare : 2+ (Moderate; iris and lens clearly visible)0 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber FlareV2 Anterior Chamber Flare : 1+ (Mild)1 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber FlareV1 Anterior Chamber Flare : 0 (No flare)6 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber FlareFV Anterior Chamber Flare : 2+ (Moderate; iris and lens clearly visible)0 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber FlareV1 Anterior Chamber Flare : 1+ (Mild)11 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber FlareV2 Anterior Chamber Flare : 2+ (Moderate; iris and lens clearly visible)0 Cases (eyes)
Arm 2; Healon® EndoCoatChange in Anterior Chamber FlareV1 Anterior Chamber Flare : 2+ (Moderate; iris and lens clearly visible)1 Cases (eyes)
Secondary

Change in Best Corrected Visual Acuity (BCVA)

With the patient's best possible refractive correction, visual acuity will be evaluated through the Snellen chart. Its notation (fraction or decimal) is described as the distance from the chart at which the test is performed, divided by the distance at which a letter equals vertically 5 minutes of arc.

Time frame: Days: -15 (±2) (eligibility visit [EV]), 1 (first safety evaluation visit [V1]), 8 (±2) (second safety evaluation visit [V2]), and 29 (±2) (final visit [FV])

ArmMeasureGroupValue (MEAN)Dispersion
Arm 1; PRO-149Change in Best Corrected Visual Acuity (BCVA)EV BCVA0.33 decimal score (Snellen Chart)Standard Deviation 0.19
Arm 1; PRO-149Change in Best Corrected Visual Acuity (BCVA)V1 BCVA0.49 decimal score (Snellen Chart)Standard Deviation 0.21
Arm 1; PRO-149Change in Best Corrected Visual Acuity (BCVA)V2 BCVA0.81 decimal score (Snellen Chart)Standard Deviation 0.21
Arm 1; PRO-149Change in Best Corrected Visual Acuity (BCVA)FV BCVA0.93 decimal score (Snellen Chart)Standard Deviation 0.14
Arm 2; Healon® EndoCoatChange in Best Corrected Visual Acuity (BCVA)FV BCVA0.91 decimal score (Snellen Chart)Standard Deviation 0.13
Arm 2; Healon® EndoCoatChange in Best Corrected Visual Acuity (BCVA)EV BCVA0.42 decimal score (Snellen Chart)Standard Deviation 0.17
Arm 2; Healon® EndoCoatChange in Best Corrected Visual Acuity (BCVA)V2 BCVA0.80 decimal score (Snellen Chart)Standard Deviation 0.16
Arm 2; Healon® EndoCoatChange in Best Corrected Visual Acuity (BCVA)V1 BCVA0.56 decimal score (Snellen Chart)Standard Deviation 0.24
Secondary

Change in Central Corneal Thickness

By means of specular microscopy, corneal thickness will be evaluated, reported in μm.

Time frame: Days: -15 (±2) (eligibility visit [EV]), and 29 (±2) (final visit [FV])

ArmMeasureGroupValue (MEAN)Dispersion
Arm 1; PRO-149Change in Central Corneal ThicknessEV Central Corneal Thickness517.61 μmStandard Deviation 34.8
Arm 1; PRO-149Change in Central Corneal ThicknessFV Central Corneal Thickness527.50 μmStandard Deviation 44.4
Arm 2; Healon® EndoCoatChange in Central Corneal ThicknessEV Central Corneal Thickness525.17 μmStandard Deviation 31.5
Arm 2; Healon® EndoCoatChange in Central Corneal ThicknessFV Central Corneal Thickness527.94 μmStandard Deviation 27.6
Secondary

Number of Participants Presenting Adverse Events

Presence/absence adverse events, defined as the appearance of any unfavorable reaction in a patient participating in a clinical investigation in which any pharmaceutical product is being administered, regardless of the causal attribution.

Time frame: From Day -15 (±2) (eligibility visit) through Day 29 (±2) (final visit)

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Arm 1; PRO-149Number of Participants Presenting Adverse Events1 Participants
Arm 2; Healon® EndoCoatNumber of Participants Presenting Adverse Events2 Participants
Other Pre-specified

Trans-surgical Evaluation

During the phacoemulsification and intraocular lens implantation, the surgeon will evaluate the performance of the viscoelastic substance used during the procedure trough a questionnaire that will inquire on the following: Capability to maintain a formed anterior chamber during continuous circular capsulorhexis and intraocular lens implantation, retention during phacoemulsification, user-friendliness, ergonomics, ease of use during capsulorhexis, transparency during surgery and ease of use during extraction. Scale: 0 (very bad), 1 (bad), 2 (acceptable), 3 (good), 4 (very good).

Time frame: Days: 0 (surgery)

Population: (the average performance score across devices)

ArmMeasureValue (MEAN)Dispersion
Arm 1; PRO-149Trans-surgical Evaluation3.47 score on a scaleStandard Deviation 0.6
Arm 2; Healon® EndoCoatTrans-surgical Evaluation3.50 score on a scaleStandard Deviation 0.6

Source: ClinicalTrials.gov · Data processed: Feb 11, 2026