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Alrex® Versus Patanol in the Treatment of Seasonal Allergic Conjunctivitis(SAC)

A Clinical Safety and Efficacy Evaluation of Alrex® (Loteprednol Etabonate Ophthalmic Suspension, 0.2%) Versus Patanol (Olopatadine Hydrochloride Ophthalmic Solution, 0.1%) in the Treatment of Seasonal Allergic Conjunctivitis (SAC)

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01435460
Enrollment
300
Registered
2011-09-16
Start date
2010-08-31
Completion date
2011-05-31
Last updated
2012-03-13

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

Conditions

Seasonal Allergic Conjunctivitis

Keywords

ocular allergy

Brief summary

This study is to evaluate the safety and efficacy of Alrex (LE ophthalmic suspension, 0.2%) versus Patanol (olopatadine hydrochloride ophthalmic solution, 0.1%) in the temporary relief of the signs and symptoms of Seasonal Allergic Conjunctivitis (SAC).

Interventions

1 drop of Alrex 4 times daily (QID) in both eyes at approximately 4 hour intervals for 2 weeks.

1 drop of Patanol 2 times daily (BID)at intervals of 6-8 hours or more for 2 weeks.

Sponsors

Bausch & Lomb Incorporated
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Investigator)

Eligibility

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

Inclusion criteria

* Subjects who are diagnosed with acute SAC and experience at least grade 4 ocular itching and at least grade 2 bulbar conjunctival injection (redness) in each eye due to seasonal allergy at Visit 1.

Exclusion criteria

* Subjects who have a known hypersensitivity to the study medications or their components or contraindications to ocular corticosteroids. * Subjects who use any of the disallowed medications throughout the duration of the study and during the period indicated prior to Visit 1. * Subjects who have intraocular pressure (IOP) greater than 21 mm Hg in either eye or any type of glaucoma. * Subjects who have a history of any severe/serious ocular pathology or medical condition that could result in the subject's inability to complete the study or affect the subject's safety or trial parameters.

Design outcomes

Primary

MeasureTime frameDescription
Bulbar Conjunctival InjectionChange from baseline to day 15 (visit 3)Bulbar conjunctival injection (sign) evaluated using a grading scale from 0-3: where 0 = Absent and 3 = Severe
Ocular ItchingChange from baseline to day 15 (visit 3)Ocular itching (symptom) evaluated using a grading scale from 0-4 where 0 = Absent and 4 = Severe

Secondary

MeasureTime frameDescription
Bulbar Conjunctival InjectionChange from baseline to day 8 (visit 2)Bulbar conjunctival injection (sign) evaluated using a grading scale from 0-3: where 0 = Absent and 3 = Severe
Ocular ItchingChange from baseline to day 8 (visit 2)Ocular itching (symptom) evaluated using a grading scale from 0-4 where 0 = Absent and 4 = Severe

Countries

Singapore

Participant flow

Recruitment details

Three hundred participants were enrolled in the study. First participant was enrolled 08/03/2010, last participant exited on 04/26/2011. This study was conducted at 7 sites in China.

Pre-assignment details

Three hundred participants were randomized into two groups, 151 to be treated with Alrex and 149 to be treated with Patanol.

Participants by arm

ArmCount
Alrex
Ophthalmic formulation containing the active ingredient loteprednol etabonate, 0.2%
151
Patanol
Ophthalmic solution containing olopatadine, 0.1%
149
Total300

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyAdverse Event21
Overall StudyDid not meet eligibility criteria20
Overall StudyLost to Follow-up61
Overall StudyProtocol Violation01
Overall StudyWithdrawal by Subject13

Baseline characteristics

CharacteristicAlrexPatanolTotal
Age Continuous40.5 years
STANDARD_DEVIATION 14.01
40.6 years
STANDARD_DEVIATION 12.85
40.6 years
STANDARD_DEVIATION 13.43
Race/Ethnicity, Customized
Chinese
151 participants149 participants300 participants
Sex: Female, Male
Female
99 Participants103 Participants202 Participants
Sex: Female, Male
Male
52 Participants46 Participants98 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
0 / 1510 / 149
serious
Total, serious adverse events
1 / 1510 / 149

Outcome results

Primary

Bulbar Conjunctival Injection

Bulbar conjunctival injection (sign) evaluated using a grading scale from 0-3: where 0 = Absent and 3 = Severe

Time frame: Change from baseline to day 15 (visit 3)

Population: Participants analyzed from the per protocol (PP) population

ArmMeasureValue (MEAN)Dispersion
AlrexBulbar Conjunctival Injection-1.91 units on a scaleStandard Deviation 0.521
PatanolBulbar Conjunctival Injection-1.71 units on a scaleStandard Deviation 0.585
Primary

Ocular Itching

Ocular itching (symptom) evaluated using a grading scale from 0-4 where 0 = Absent and 4 = Severe

Time frame: Change from baseline to day 15 (visit 3)

Population: Participants analyzed from the per protocol (PP) population

ArmMeasureValue (MEAN)Dispersion
AlrexOcular Itching-3.74 units on a scaleStandard Deviation 0.469
PatanolOcular Itching-3.28 units on a scaleStandard Deviation 0.908
Secondary

Bulbar Conjunctival Injection

Bulbar conjunctival injection (sign) evaluated using a grading scale from 0-3: where 0 = Absent and 3 = Severe

Time frame: Change from baseline to day 8 (visit 2)

Population: Participants analyzed from the per protocol (PP) population

ArmMeasureValue (MEAN)Dispersion
AlrexBulbar Conjunctival Injection-1.36 units on a scaleStandard Deviation 0.569
PatanolBulbar Conjunctival Injection-1.18 units on a scaleStandard Deviation 0.61
Secondary

Ocular Itching

Ocular itching (symptom) evaluated using a grading scale from 0-4 where 0 = Absent and 4 = Severe

Time frame: Change from baseline to day 8 (visit 2)

Population: Participants analyzed from the per protocol (PP) population

ArmMeasureValue (MEAN)Dispersion
AlrexOcular Itching-2.46 units on a scaleStandard Deviation 0.876
PatanolOcular Itching-2.02 units on a scaleStandard Deviation 0.851

Source: ClinicalTrials.gov · Data processed: Mar 26, 2026