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Safety and Efficacy of Difluprednate 0.05% for the Treatment of Anterior Uveitis

A Phase 3 Multicenter, Randomized, Double-Masked Study of the Safety and Efficacy of Difluprednate 0.05% Ophthalmic Emulsion Compared to Prednisolone Acetate 1% Ophthalmic Suspension in the Treatment of Endogenous Anterior Uveitis

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01201798
Enrollment
111
Registered
2010-09-15
Start date
2010-10-31
Completion date
2011-08-31
Last updated
2012-11-15

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

Conditions

Endogenous Anterior Uveitis

Brief summary

The purpose of this study was to demonstrate that difluprednate 0.05% (Durezol) dosed 4 times daily is noninferior to prednisolone 1% (Pred Forte) dosed 8 times daily for the treatment of endogenous anterior uveitis.

Interventions

1 drop in study eye, 4 times a day, for 14 days, followed by a 14-day tapering period dependent on the Investigator's determination of adequate response to treatment

DRUGPrednisolone acetate 1.0% ophthalmic suspension

1 drop in study eye, 8 times a day, for 14 days, followed by a 14-day tapering period dependent on the Investigator's determination of adequate response to treatment

Sponsors

Alcon Research
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

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

Inclusion criteria

* Diagnosis of endogenous anterior uveitis in at least 1 eye. * The presence of \> 10 cells in the anterior chamber of at least one eye, and a flare score of \> 2 in that same eye. * Age 2 years or older on day of consent. * Negative urine pregnancy test on Day 0 for females of childbearing potential who are not at least 1 year post-menopausal or surgically sterilized. * Other protocol-defined inclusion criteria may apply.

Exclusion criteria

* Presence of endogenous anterior uveitis diagnosed for \> 2 weeks prior to enrollment in the study. * Presence of intermediate uveitis, posterior uveitis or panuveitis in either eye. * Instillation of any topical corticosteroid or NSAID in the study eye within 7 days of instillation of study drug. * History of glaucoma or clinically significant ocular hypertension in the opinion of the Investigator involving an IOP ≥ 21 millimeters mercury in either eye. * History of steroid-induced elevation of intraocular pressure. * Any confirmed or suspected active viral, bacterial or fungal keratoconjunctival disease in either eye. * History of glaucoma or clinically significant ocular hypertension in the opinion of the Investigator involving an intraocular pressure (IOP) \> 21 mmHg in either eye. * Corneal abrasion or ulceration in either eye. * Pregnancy or lactation. * Other protocol-defined

Design outcomes

Primary

MeasureTime frameDescription
Change From Baseline (Day 0) in Anterior Chamber Cell Grade at Day 14Baseline (Day 0), Day 14Inflammatory cells in the anterior chamber were assessed by the investigator during slit lamp examination and graded on a 5-point scale, with 0 = ≤ 1 cell count; 1 = 2 to 10 cell count; 2 = 11 to 20 cell count; 3 = 21 to 50 cell count; and 4 = \> 50 cell count.

Secondary

MeasureTime frameDescription
Change From Baseline (Day 0) in Anterior Chamber Flare Grade at All Time PointsBaseline (Day 0), Day 3, Day 7, Day 14, Day 21, Day 28, Day 35, Day 42Anterior chamber flare (protein escaping from dialated vessels) was assessed by the investigator during slit lamp examination and graded on a 5-point scale, with 0 = none; 1 = mild (trace to clearly noticeable, visible); 2 = moderate; 3 = marked; and 4 = severe.
Proportion of Subjects With Anterior Chamber Cell Grade of 0Day 3, Day 7, Day 14, Day 21, Day 28, Day 35, Day 42Inflammatory cells in the anterior chamber were assessed by the investigator during slit lamp examination and graded on a 5-point scale, with 0 = ≤ 1 cell count; 1 = 2 to 10 cell count; 2 = 11 to 20 cell count; 3 = 21 to 50 cell count; and 4 = \> 50 cell count. Proportion is reported as percentage of subjects.
Proportion of Subjects With Anterior Chamber Cell Count of 0Day 3, Day 7, Day 14, Day 21, Day 28, Day 35, Day 42Inflammatory cells in the anterior chamber were assessed by the investigator during slit lamp examination and recorded based on actual cell count. Proportion is reported as a percentage of subjects.
Proportion of Subjects With Anterior Chamber Cell Count ≤5 and Flare Grade of 0Day 3, Day 7, Day 14, Day 21, Day 28, Day 35, Day 42Inflammatory cells in the anterior chamber were assessed by the investigator during slit lamp examination and recorded based on actual cell count. Anterior chamber flare (protein escaping from dialated vessels) was assessed by the investigator during slit lamp examination and graded on a 5-point scale, with 0 = none; 1 = mild (trace to clearly noticeable, visible); 2 = moderate; 3 = marked; and 4 = severe. Proportion is reported as percentage of subjects.
Change From Baseline (Day 0) in Anterior Chamber Cell Grade at All Time Points Other Than Day 14Baseline (Day 0), Day 3, Day 7, Day 21, Day 28, Day 35, Day 42Inflammatory cells in the anterior chamber were assessed by the investigator during slit lamp examination and graded on a 5-point scale, with 0 = ≤ 1 cell count; 1 = 2 to 10 cell count; 2 = 11 to 20 cell count; 3 = 21 to 50 cell count; and 4 = \> 50 cell count.
Proportion of Subjects Who Discontinued Due to Lack of EfficacyTime to EventLack of efficacy was defined as those subjects who discontinued study participation either due to treatment failure or an adverse event with a preferred term of iridocyclitis, iritis, uveitis, or vitritis. Proportion is reported as percentage of subjects.
Change From Baseline (Day 0) in Visual Analog Scale (VAS) Total Symptom Score at All Time PointsBaseline (Day 0), Day 3, Day 7, Day 14, Day 21, Day 28, Day 35, Day 42The following symptoms were each graded by the subject according to a 0-100 visual analog scale (VAS) using a mark on a 100 mm line (0 = absent, 100 = maximal): eye pain, photophobia, blurred vision, and lacrimation. The total symptom score was calculated as the sum of the 4 individual symptom scores.
Change From Baseline (Day 0) in Slit-Lamp Total Sign Score at All VisitsBaseline (Day 0), Day 3, Day 7, Day 14, Day 21, Day 28, Day 35, Day 42The following signs were each graded on a 0 - 3 scale (0 = absent; 1 = mild; 2 = moderate; 3 = severe): posterior synechia, hypopyon, limbal injection, and keratic precipitates. Peripheral synechia was graded by the combined number of clock hours affected (0 = absent; 1 = \< 3 hrs; 2 = 3-6 hours; 3 = \> 6 hours). The total sign score was calculated as the sum of the 5 individual sign scores, the anterior chamber cell grade and the anterior chamber flare grade. The minimum/best total sign score was 0, and the maximum/worst total sign score was 23.
Proportion of Subjects With Anterior Chamber Cell Grade ≤1Day 3, Day 7, Day 14, Day 21, Day 28, Day 35, Day 42As assessed by the investigator during slit lamp examination. Anterior chamber cell grade was graded on a 5-point scale, with 0 = no cells; 1 = 1 to 10 cells; 2 = 11 to 20 cells; 3 = 21 to 50 cells; and 4 = more than 50 cells. Proportion is reported as percentage of subjects.

Countries

United States

Participant flow

Recruitment details

Subjects were recruited from 21 US study sites.

Pre-assignment details

This reporting group includes all randomized subjects: 110. One subject was enrolled but discontinued prior to receiving study medication, with treatment randomization unknown.

Participants by arm

ArmCount
Durezol
Difluprednate 0.05% ophthalmic emulsion, 1 drop in study eye, 4 times a day for 14 days, followed by a 14-day tapering period
56
Pred Forte
Prednisolone acetate 1.0% ophthalmic suspension, 1 drop in study eye, 8 times a day for 14 days, followed by a 14-day tapering period
54
Total110

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyAdverse Event20
Overall StudyDecision Unrelated to an Adverse Event11
Overall StudyLost to Follow-up35
Overall StudyNoncompliance10
Overall StudyProtocol Violation11
Overall StudyTreatment Failure18

Baseline characteristics

CharacteristicDurezolPred ForteTotal
Age Continuous49.8 years
STANDARD_DEVIATION 15.2
45.5 years
STANDARD_DEVIATION 18.29
47.7 years
STANDARD_DEVIATION 16.85
Sex: Female, Male
Female
31 Participants29 Participants60 Participants
Sex: Female, Male
Male
25 Participants25 Participants50 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
14 / 568 / 54
serious
Total, serious adverse events
2 / 560 / 54

Outcome results

Primary

Change From Baseline (Day 0) in Anterior Chamber Cell Grade at Day 14

Inflammatory cells in the anterior chamber were assessed by the investigator during slit lamp examination and graded on a 5-point scale, with 0 = ≤ 1 cell count; 1 = 2 to 10 cell count; 2 = 11 to 20 cell count; 3 = 21 to 50 cell count; and 4 = \> 50 cell count.

Time frame: Baseline (Day 0), Day 14

Population: Per Protocol: All randomized patients who received at least one dose of the allocated study medication and had no major protocol deviations, including violation of entry criteria, poor compliance, and use of prohibited medications. Last observation carried forward (LOCF) was performed for missing data.

ArmMeasureGroupValue (MEAN)Dispersion
DurezolChange From Baseline (Day 0) in Anterior Chamber Cell Grade at Day 14Baseline (Day 0)2.6 Units on a scaleStandard Deviation 0.68
DurezolChange From Baseline (Day 0) in Anterior Chamber Cell Grade at Day 14Day 14-2.2 Units on a scaleStandard Deviation 0.96
Pred ForteChange From Baseline (Day 0) in Anterior Chamber Cell Grade at Day 14Baseline (Day 0)2.6 Units on a scaleStandard Deviation 0.68
Pred ForteChange From Baseline (Day 0) in Anterior Chamber Cell Grade at Day 14Day 14-2.0 Units on a scaleStandard Deviation 1
Comparison: A two-tailed 95% confidence interval was calculated for the difference in change from baseline in anterior chamber cell grade at Day 14 (difluprednate minus prednisolone). The confidence interval was derived from an analysis of covariance (ANCOVA), with investigative site included as a fixed effect to match the stratification used in the randomization process. Treatment and baseline anterior chamber cell grade were also included as fixed effects.95% CI: [-0.53, 0.09]ANCOVA
Secondary

Change From Baseline (Day 0) in Anterior Chamber Cell Grade at All Time Points Other Than Day 14

Inflammatory cells in the anterior chamber were assessed by the investigator during slit lamp examination and graded on a 5-point scale, with 0 = ≤ 1 cell count; 1 = 2 to 10 cell count; 2 = 11 to 20 cell count; 3 = 21 to 50 cell count; and 4 = \> 50 cell count.

Time frame: Baseline (Day 0), Day 3, Day 7, Day 21, Day 28, Day 35, Day 42

Population: Per Protocol: All randomized patients who received at least one dose of the allocated study medication and had no major protocol deviations, including violation of entry criteria, poor compliance, and use of prohibited medications. Last observation carried forward (LOCF) was performed for missing data.

ArmMeasureGroupValue (MEAN)Dispersion
DurezolChange From Baseline (Day 0) in Anterior Chamber Cell Grade at All Time Points Other Than Day 14Day 7-1.8 Units on a scaleStandard Deviation 0.77
DurezolChange From Baseline (Day 0) in Anterior Chamber Cell Grade at All Time Points Other Than Day 14Day 28-2.3 Units on a scaleStandard Deviation 0.95
DurezolChange From Baseline (Day 0) in Anterior Chamber Cell Grade at All Time Points Other Than Day 14Day 3-1.1 Units on a scaleStandard Deviation 0.95
DurezolChange From Baseline (Day 0) in Anterior Chamber Cell Grade at All Time Points Other Than Day 14Day 35-2.3 Units on a scaleStandard Deviation 0.94
DurezolChange From Baseline (Day 0) in Anterior Chamber Cell Grade at All Time Points Other Than Day 14Day 21-2.4 Units on a scaleStandard Deviation 0.98
DurezolChange From Baseline (Day 0) in Anterior Chamber Cell Grade at All Time Points Other Than Day 14Day 42-2.3 Units on a scaleStandard Deviation 1
DurezolChange From Baseline (Day 0) in Anterior Chamber Cell Grade at All Time Points Other Than Day 14Baseline (Day 0)2.6 Units on a scaleStandard Deviation 0.68
Pred ForteChange From Baseline (Day 0) in Anterior Chamber Cell Grade at All Time Points Other Than Day 14Day 42-2.1 Units on a scaleStandard Deviation 1.01
Pred ForteChange From Baseline (Day 0) in Anterior Chamber Cell Grade at All Time Points Other Than Day 14Baseline (Day 0)2.6 Units on a scaleStandard Deviation 0.68
Pred ForteChange From Baseline (Day 0) in Anterior Chamber Cell Grade at All Time Points Other Than Day 14Day 3-1.0 Units on a scaleStandard Deviation 0.86
Pred ForteChange From Baseline (Day 0) in Anterior Chamber Cell Grade at All Time Points Other Than Day 14Day 7-1.6 Units on a scaleStandard Deviation 0.85
Pred ForteChange From Baseline (Day 0) in Anterior Chamber Cell Grade at All Time Points Other Than Day 14Day 21-2.1 Units on a scaleStandard Deviation 0.8
Pred ForteChange From Baseline (Day 0) in Anterior Chamber Cell Grade at All Time Points Other Than Day 14Day 28-2.1 Units on a scaleStandard Deviation 0.95
Pred ForteChange From Baseline (Day 0) in Anterior Chamber Cell Grade at All Time Points Other Than Day 14Day 35-2.1 Units on a scaleStandard Deviation 1.04
Secondary

Change From Baseline (Day 0) in Anterior Chamber Flare Grade at All Time Points

Anterior chamber flare (protein escaping from dialated vessels) was assessed by the investigator during slit lamp examination and graded on a 5-point scale, with 0 = none; 1 = mild (trace to clearly noticeable, visible); 2 = moderate; 3 = marked; and 4 = severe.

Time frame: Baseline (Day 0), Day 3, Day 7, Day 14, Day 21, Day 28, Day 35, Day 42

Population: Per Protocol: All randomized patients who received at least one dose of the allocated study medication and had no major protocol deviations, including violation of entry criteria, poor compliance, and use of prohibited medications. Last observation carried forward (LOCF) was performed for missing data.

ArmMeasureGroupValue (MEAN)Dispersion
DurezolChange From Baseline (Day 0) in Anterior Chamber Flare Grade at All Time PointsBaseline (Day 0)2.2 Units on a scaleStandard Deviation 0.48
DurezolChange From Baseline (Day 0) in Anterior Chamber Flare Grade at All Time PointsDay 3-1.1 Units on a scaleStandard Deviation 0.83
DurezolChange From Baseline (Day 0) in Anterior Chamber Flare Grade at All Time PointsDay 7-1.6 Units on a scaleStandard Deviation 0.77
DurezolChange From Baseline (Day 0) in Anterior Chamber Flare Grade at All Time PointsDay 14-2.0 Units on a scaleStandard Deviation 0.75
DurezolChange From Baseline (Day 0) in Anterior Chamber Flare Grade at All Time PointsDay 21-2.0 Units on a scaleStandard Deviation 0.77
DurezolChange From Baseline (Day 0) in Anterior Chamber Flare Grade at All Time PointsDay 28-2.0 Units on a scaleStandard Deviation 0.76
DurezolChange From Baseline (Day 0) in Anterior Chamber Flare Grade at All Time PointsDay 35-2.0 Units on a scaleStandard Deviation 0.77
DurezolChange From Baseline (Day 0) in Anterior Chamber Flare Grade at All Time PointsDay 42-2.0 Units on a scaleStandard Deviation 0.77
Pred ForteChange From Baseline (Day 0) in Anterior Chamber Flare Grade at All Time PointsDay 42-2.0 Units on a scaleStandard Deviation 0.82
Pred ForteChange From Baseline (Day 0) in Anterior Chamber Flare Grade at All Time PointsBaseline (Day 0)2.3 Units on a scaleStandard Deviation 0.54
Pred ForteChange From Baseline (Day 0) in Anterior Chamber Flare Grade at All Time PointsDay 21-2.0 Units on a scaleStandard Deviation 0.78
Pred ForteChange From Baseline (Day 0) in Anterior Chamber Flare Grade at All Time PointsDay 3-1.2 Units on a scaleStandard Deviation 1.07
Pred ForteChange From Baseline (Day 0) in Anterior Chamber Flare Grade at All Time PointsDay 35-2.0 Units on a scaleStandard Deviation 0.83
Pred ForteChange From Baseline (Day 0) in Anterior Chamber Flare Grade at All Time PointsDay 7-1.6 Units on a scaleStandard Deviation 0.95
Pred ForteChange From Baseline (Day 0) in Anterior Chamber Flare Grade at All Time PointsDay 28-2.0 Units on a scaleStandard Deviation 0.79
Pred ForteChange From Baseline (Day 0) in Anterior Chamber Flare Grade at All Time PointsDay 14-1.9 Units on a scaleStandard Deviation 0.91
Secondary

Change From Baseline (Day 0) in Slit-Lamp Total Sign Score at All Visits

The following signs were each graded on a 0 - 3 scale (0 = absent; 1 = mild; 2 = moderate; 3 = severe): posterior synechia, hypopyon, limbal injection, and keratic precipitates. Peripheral synechia was graded by the combined number of clock hours affected (0 = absent; 1 = \< 3 hrs; 2 = 3-6 hours; 3 = \> 6 hours). The total sign score was calculated as the sum of the 5 individual sign scores, the anterior chamber cell grade and the anterior chamber flare grade. The minimum/best total sign score was 0, and the maximum/worst total sign score was 23.

Time frame: Baseline (Day 0), Day 3, Day 7, Day 14, Day 21, Day 28, Day 35, Day 42

Population: Per Protocol: All randomized patients who received at least one dose of the allocated study medication and had no major protocol deviations, including violation of entry criteria, poor compliance, and use of prohibited medications. Last observation carried forward (LOCF) was performed for missing data.

ArmMeasureGroupValue (MEAN)Dispersion
DurezolChange From Baseline (Day 0) in Slit-Lamp Total Sign Score at All VisitsDay 14-6.1 Units on a scaleStandard Deviation 2.81
DurezolChange From Baseline (Day 0) in Slit-Lamp Total Sign Score at All VisitsDay 3-3.5 Units on a scaleStandard Deviation 2.71
DurezolChange From Baseline (Day 0) in Slit-Lamp Total Sign Score at All VisitsDay 21-6.5 Units on a scaleStandard Deviation 3.07
DurezolChange From Baseline (Day 0) in Slit-Lamp Total Sign Score at All VisitsDay 35-6.3 Units on a scaleStandard Deviation 2.98
DurezolChange From Baseline (Day 0) in Slit-Lamp Total Sign Score at All VisitsDay 28-6.4 Units on a scaleStandard Deviation 2.96
DurezolChange From Baseline (Day 0) in Slit-Lamp Total Sign Score at All VisitsDay 7-5.2 Units on a scaleStandard Deviation 2.31
DurezolChange From Baseline (Day 0) in Slit-Lamp Total Sign Score at All VisitsDay 42-6.2 Units on a scaleStandard Deviation 3.21
DurezolChange From Baseline (Day 0) in Slit-Lamp Total Sign Score at All VisitsBaseline (Day 0)7.1 Units on a scaleStandard Deviation 2.71
Pred ForteChange From Baseline (Day 0) in Slit-Lamp Total Sign Score at All VisitsDay 42-6.3 Units on a scaleStandard Deviation 3.27
Pred ForteChange From Baseline (Day 0) in Slit-Lamp Total Sign Score at All VisitsDay 35-6.2 Units on a scaleStandard Deviation 3.34
Pred ForteChange From Baseline (Day 0) in Slit-Lamp Total Sign Score at All VisitsDay 3-3.6 Units on a scaleStandard Deviation 2.95
Pred ForteChange From Baseline (Day 0) in Slit-Lamp Total Sign Score at All VisitsDay 7-5.0 Units on a scaleStandard Deviation 3.05
Pred ForteChange From Baseline (Day 0) in Slit-Lamp Total Sign Score at All VisitsDay 14-5.8 Units on a scaleStandard Deviation 3.34
Pred ForteChange From Baseline (Day 0) in Slit-Lamp Total Sign Score at All VisitsDay 21-6.2 Units on a scaleStandard Deviation 3.04
Pred ForteChange From Baseline (Day 0) in Slit-Lamp Total Sign Score at All VisitsDay 28-6.2 Units on a scaleStandard Deviation 3.18
Pred ForteChange From Baseline (Day 0) in Slit-Lamp Total Sign Score at All VisitsBaseline (Day 0)7.3 Units on a scaleStandard Deviation 2.87
Secondary

Change From Baseline (Day 0) in Visual Analog Scale (VAS) Total Symptom Score at All Time Points

The following symptoms were each graded by the subject according to a 0-100 visual analog scale (VAS) using a mark on a 100 mm line (0 = absent, 100 = maximal): eye pain, photophobia, blurred vision, and lacrimation. The total symptom score was calculated as the sum of the 4 individual symptom scores.

Time frame: Baseline (Day 0), Day 3, Day 7, Day 14, Day 21, Day 28, Day 35, Day 42

Population: Per Protocol: All randomized patients who received at least one dose of the allocated study medication and had no major protocol deviations, including violation of entry criteria, poor compliance, and use of prohibited medications. Last observation carried forward (LOCF) was performed for missing data.

ArmMeasureGroupValue (MEAN)Dispersion
DurezolChange From Baseline (Day 0) in Visual Analog Scale (VAS) Total Symptom Score at All Time PointsBaseline (Day 0)186.7 Units on a scaleStandard Deviation 112.6
DurezolChange From Baseline (Day 0) in Visual Analog Scale (VAS) Total Symptom Score at All Time PointsDay 21-138.8 Units on a scaleStandard Deviation 112.7
DurezolChange From Baseline (Day 0) in Visual Analog Scale (VAS) Total Symptom Score at All Time PointsDay 28-140.1 Units on a scaleStandard Deviation 111.4
DurezolChange From Baseline (Day 0) in Visual Analog Scale (VAS) Total Symptom Score at All Time PointsDay 7-108.2 Units on a scaleStandard Deviation 114.2
DurezolChange From Baseline (Day 0) in Visual Analog Scale (VAS) Total Symptom Score at All Time PointsDay 35-143.9 Units on a scaleStandard Deviation 111
DurezolChange From Baseline (Day 0) in Visual Analog Scale (VAS) Total Symptom Score at All Time PointsDay 3-88.4 Units on a scaleStandard Deviation 92.55
DurezolChange From Baseline (Day 0) in Visual Analog Scale (VAS) Total Symptom Score at All Time PointsDay 42-146.2 Units on a scaleStandard Deviation 111.7
DurezolChange From Baseline (Day 0) in Visual Analog Scale (VAS) Total Symptom Score at All Time PointsDay 14-133.3 Units on a scaleStandard Deviation 109.3
Pred ForteChange From Baseline (Day 0) in Visual Analog Scale (VAS) Total Symptom Score at All Time PointsDay 42-155.5 Units on a scaleStandard Deviation 112.1
Pred ForteChange From Baseline (Day 0) in Visual Analog Scale (VAS) Total Symptom Score at All Time PointsBaseline (Day 0)203.2 Units on a scaleStandard Deviation 110.8
Pred ForteChange From Baseline (Day 0) in Visual Analog Scale (VAS) Total Symptom Score at All Time PointsDay 3-88.4 Units on a scaleStandard Deviation 92.71
Pred ForteChange From Baseline (Day 0) in Visual Analog Scale (VAS) Total Symptom Score at All Time PointsDay 7-123.8 Units on a scaleStandard Deviation 100.4
Pred ForteChange From Baseline (Day 0) in Visual Analog Scale (VAS) Total Symptom Score at All Time PointsDay 14-137.4 Units on a scaleStandard Deviation 108.8
Pred ForteChange From Baseline (Day 0) in Visual Analog Scale (VAS) Total Symptom Score at All Time PointsDay 28-152.4 Units on a scaleStandard Deviation 115.9
Pred ForteChange From Baseline (Day 0) in Visual Analog Scale (VAS) Total Symptom Score at All Time PointsDay 35-147.3 Units on a scaleStandard Deviation 111.3
Pred ForteChange From Baseline (Day 0) in Visual Analog Scale (VAS) Total Symptom Score at All Time PointsDay 21-149.5 Units on a scaleStandard Deviation 108
Secondary

Proportion of Subjects Who Discontinued Due to Lack of Efficacy

Lack of efficacy was defined as those subjects who discontinued study participation either due to treatment failure or an adverse event with a preferred term of iridocyclitis, iritis, uveitis, or vitritis. Proportion is reported as percentage of subjects.

Time frame: Time to Event

Population: Per Protocol: All randomized patients who received at least one dose of the allocated study medication and had no major protocol deviations, including violation of entry criteria, poor compliance, and use of prohibited medications.

ArmMeasureValue (NUMBER)
DurezolProportion of Subjects Who Discontinued Due to Lack of Efficacy0 Percentage of subjects
Pred ForteProportion of Subjects Who Discontinued Due to Lack of Efficacy14.9 Percentage of subjects
Secondary

Proportion of Subjects With Anterior Chamber Cell Count ≤5 and Flare Grade of 0

Inflammatory cells in the anterior chamber were assessed by the investigator during slit lamp examination and recorded based on actual cell count. Anterior chamber flare (protein escaping from dialated vessels) was assessed by the investigator during slit lamp examination and graded on a 5-point scale, with 0 = none; 1 = mild (trace to clearly noticeable, visible); 2 = moderate; 3 = marked; and 4 = severe. Proportion is reported as percentage of subjects.

Time frame: Day 3, Day 7, Day 14, Day 21, Day 28, Day 35, Day 42

Population: Per Protocol: All randomized patients who received at least one dose of the allocated study medication and had no major protocol deviations, including violation of entry criteria, poor compliance, and use of prohibited medications. Last observation carried forward (LOCF) was performed for missing data.

ArmMeasureGroupValue (NUMBER)
DurezolProportion of Subjects With Anterior Chamber Cell Count ≤5 and Flare Grade of 0Day 4280.4 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Count ≤5 and Flare Grade of 0Day 741.3 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Count ≤5 and Flare Grade of 0Day 1478.3 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Count ≤5 and Flare Grade of 0Day 2182.6 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Count ≤5 and Flare Grade of 0Day 2880.4 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Count ≤5 and Flare Grade of 0Day 3582.6 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Count ≤5 and Flare Grade of 0Day 313.0 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Count ≤5 and Flare Grade of 0Day 2876.6 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Count ≤5 and Flare Grade of 0Day 314.9 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Count ≤5 and Flare Grade of 0Day 2176.6 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Count ≤5 and Flare Grade of 0Day 740.4 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Count ≤5 and Flare Grade of 0Day 4278.7 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Count ≤5 and Flare Grade of 0Day 3576.6 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Count ≤5 and Flare Grade of 0Day 1461.7 Percentage of subjects
Secondary

Proportion of Subjects With Anterior Chamber Cell Count of 0

Inflammatory cells in the anterior chamber were assessed by the investigator during slit lamp examination and recorded based on actual cell count. Proportion is reported as a percentage of subjects.

Time frame: Day 3, Day 7, Day 14, Day 21, Day 28, Day 35, Day 42

Population: Per Protocol: All randomized patients who received at least one dose of the allocated study medication and had no major protocol deviations, including violation of entry criteria, poor compliance, and use of prohibited medications. Last observation carried forward (LOCF) was performed for missing data.

ArmMeasureGroupValue (NUMBER)
DurezolProportion of Subjects With Anterior Chamber Cell Count of 0Day 4269.6 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Count of 0Day 313.0 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Count of 0Day 721.7 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Count of 0Day 1452.2 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Count of 0Day 2173.9 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Count of 0Day 2873.9 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Count of 0Day 3569.6 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Count of 0Day 2148.9 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Count of 0Day 4268.1 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Count of 0Day 3563.8 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Count of 0Day 1438.3 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Count of 0Day 32.1 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Count of 0Day 2863.8 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Count of 0Day 721.3 Percentage of subjects
Secondary

Proportion of Subjects With Anterior Chamber Cell Grade ≤1

As assessed by the investigator during slit lamp examination. Anterior chamber cell grade was graded on a 5-point scale, with 0 = no cells; 1 = 1 to 10 cells; 2 = 11 to 20 cells; 3 = 21 to 50 cells; and 4 = more than 50 cells. Proportion is reported as percentage of subjects.

Time frame: Day 3, Day 7, Day 14, Day 21, Day 28, Day 35, Day 42

Population: Per Protocol: All randomized patients who received at least one dose of the allocated study medication and had no major protocol deviations, including violation of entry criteria, poor compliance, and use of prohibited medications. Last observation carried forward (LOCF) was performed for missing data.

ArmMeasureGroupValue (NUMBER)
DurezolProportion of Subjects With Anterior Chamber Cell Grade ≤1Day 3593.5 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Grade ≤1Day 4291.3 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Grade ≤1Day 350.0 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Grade ≤1Day 787.0 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Grade ≤1Day 1493.5 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Grade ≤1Day 2193.5 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Grade ≤1Day 2893.5 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Grade ≤1Day 4285.1 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Grade ≤1Day 3585.1 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Grade ≤1Day 1485.1 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Grade ≤1Day 2887.2 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Grade ≤1Day 357.4 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Grade ≤1Day 2189.4 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Grade ≤1Day 780.9 Percentage of subjects
Secondary

Proportion of Subjects With Anterior Chamber Cell Grade of 0

Inflammatory cells in the anterior chamber were assessed by the investigator during slit lamp examination and graded on a 5-point scale, with 0 = ≤ 1 cell count; 1 = 2 to 10 cell count; 2 = 11 to 20 cell count; 3 = 21 to 50 cell count; and 4 = \> 50 cell count. Proportion is reported as percentage of subjects.

Time frame: Day 3, Day 7, Day 14, Day 21, Day 28, Day 35, Day 42

Population: Per Protocol: All randomized patients who received at least one dose of the allocated study medication and had no major protocol deviations, including violation of entry criteria, poor compliance, and use of prohibited medications. Last observation carried forward (LOCF) was performed for missing data.

ArmMeasureGroupValue (NUMBER)
DurezolProportion of Subjects With Anterior Chamber Cell Grade of 0Day 1465.2 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Grade of 0Day 2880.4 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Grade of 0Day 734.8 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Grade of 0Day 3578.3 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Grade of 0Day 2184.8 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Grade of 0Day 4276.1 Percentage of subjects
DurezolProportion of Subjects With Anterior Chamber Cell Grade of 0Day 315.2 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Grade of 0Day 4274.5 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Grade of 0Day 36.4 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Grade of 0Day 725.5 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Grade of 0Day 1455.3 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Grade of 0Day 2163.8 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Grade of 0Day 2870.2 Percentage of subjects
Pred ForteProportion of Subjects With Anterior Chamber Cell Grade of 0Day 3570.2 Percentage of subjects

Source: ClinicalTrials.gov · Data processed: Mar 8, 2026