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A Clinical Trial to Assess Subjects With Dry Eye Disease.

A Multi-Center Randomized, Double-Masked, Parallel Design, Vehicle-Controlled Phase 2 Clinical Trial to Assess the Efficacy and Safety of 0.25% Reproxalap Ophthalmic Solution Compared to Vehicle in Subjects With Dry Eye Disease

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04971031
Enrollment
158
Registered
2021-07-21
Start date
2021-06-15
Completion date
2021-09-08
Last updated
2025-02-24

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

Conditions

Dry Eye

Brief summary

A Multi-Center Randomized, Double-Masked, Parallel Design, Vehicle-Controlled Phase 2 Clinical Trial to Assess the Efficacy and Safety of 0.25% Reproxalap Ophthalmic Solution Compared to Vehicle in Subjects with Dry Eye Disease

Interventions

Reproxalap Ophthalmic Solution (0.25%) administered 7 times over two consecutive days.

DRUGVehicle Ophthalmic Solution

Vehicle Ophthalmic Solution administered 7 times over two consecutive days.

Sponsors

Aldeyra Therapeutics, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

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

Inclusion criteria

1. 18 years of age (either gender and any race); 2. Reported history of dry eye for at least 6 months prior to Visit 1; 3. Reported history of use or desire to use eye drops for dry eye symptoms within 6 months of Visit 1.

Exclusion criteria

1. Clinically significant slit lamp findings at Visit 1 that may include active blepharitis, meibomian gland dysfunction (MGD), lid margin inflammation, or active ocular allergies that require therapeutic treatment, and/or in the opinion of the investigator may interfere with study parameters; 2. Diagnosis of an ongoing ocular infection (bacterial, viral, or fungal), or active ocular inflammation at Visit 1; 3. Contact lens use within 7 days of Visit 1 or anticipate using contact lenses during the trial; 4. Eye drop use within 2 hours of Visit 1; 5. Previous laser-assisted in situ keratomileusis (LASIK) surgery within the last 12 months; 6. Cyclosporine 0.05% or 0.09% or lifitegrast 5.0% ophthalmic solution use within 90 days of Visit 1; 7. Be receiving systemic corticosteroid therapy (not including inhaled corticosteroids) within 14 days of Visit 1 or anticipate such therapy throughout the study period; 8. Planned ocular and/or lid surgeries over the study period or any ocular surgery within 6 months of Visit 1; 9. Temporary punctal plugs during the study that have not been stable within 30 days of Visit 1.

Design outcomes

Primary

MeasureTime frameDescription
Conjunctival Redness Assessed Via Digital Photography Over 90 Minutes in the Dry Eye ChamberThe efficacy assessment period was assessed during the 90-minute dry eye chamber at Day 2; baseline was Pre-Dose #1 at Day 1.Change from baseline comparison of reproxalap to vehicle for conjunctival redness on a 0 to 4 scale ( 0 = normal, 4 = prominent), where a high score means a worse outcome. The intervention was administered bilaterally. The least squares mean (standard error) was derived from mixed model repeated measure for change from baseline included baseline, treatment group, and nominal time point as fixed effects.
Subject-reported Ocular Dryness Score (0 - 100 Visual Analogue Scale (VAS))The efficacy assessment period was assessed during the 90-minute dry eye chamber at Day 2; baseline was Pre-Dose #1 at Day 1.Change from baseline comparison of reproxalap to vehicle for subject-reported ocular dryness score VAS (0 = no discomfort, 100 = maximal discomfort), where a high score means a worse outcome. The intervention was administered bilaterally. The least squares mean (standard error) was derived from mixed model repeated measure for change from baseline included baseline, treatment group, and nominal time point as fixed effects.
Schirmer Test Change From Baseline After the First Dose on Day 1The efficacy assessment period was before and after the final dose on Day 1; baseline was Pre-Dose #1 at Day 1.Change from baseline comparison of reproxalap to vehicle for Schirmer test on a millimeter line (0 = none, 35 = maximum), where a shorter length indicates a worse outcome. The intervention was administered bilaterally. The least squares mean (standard error) was derived from mixed model repeated measure for change from baseline included baseline and treatment group as fixed effects.

Countries

United States

Participant flow

Pre-assignment details

One hundred fifty-eight subjects were randomized in the trial.

Participants by arm

ArmCount
Reproxalap (0.25%)
Reproxalap ophthalmic solution administered 7 times over two consecutive days
80
Vehicle
Vehicle ophthalmic solution administered 7 times over two consecutive days
78
Total158

Baseline characteristics

CharacteristicReproxalap (0.25%)VehicleTotal
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
37 Participants30 Participants67 Participants
Age, Categorical
Between 18 and 65 years
43 Participants48 Participants91 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
5 Participants11 Participants16 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
75 Participants67 Participants142 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Iris Color (Left Eye)
Black
0 Participants0 Participants0 Participants
Iris Color (Left Eye)
Blue
18 Participants18 Participants36 Participants
Iris Color (Left Eye)
Brown
44 Participants31 Participants75 Participants
Iris Color (Left Eye)
Gray
0 Participants0 Participants0 Participants
Iris Color (Left Eye)
Green
11 Participants12 Participants23 Participants
Iris Color (Left Eye)
Hazel
7 Participants17 Participants24 Participants
Iris Color (Left Eye)
Other
0 Participants0 Participants0 Participants
Iris Color (Right Eye)
Black
0 Participants0 Participants0 Participants
Iris Color (Right Eye)
Blue
18 Participants18 Participants36 Participants
Iris Color (Right Eye)
Brown
44 Participants31 Participants75 Participants
Iris Color (Right Eye)
Gray
0 Participants0 Participants0 Participants
Iris Color (Right Eye)
Green
11 Participants12 Participants23 Participants
Iris Color (Right Eye)
Hazel
7 Participants17 Participants24 Participants
Iris Color (Right Eye)
Other
0 Participants0 Participants0 Participants
Race/Ethnicity, Customized
American Indian or Alaska Native
1 Participants1 Participants2 Participants
Race/Ethnicity, Customized
Asian
2 Participants3 Participants5 Participants
Race/Ethnicity, Customized
Black or African American
8 Participants3 Participants11 Participants
Race/Ethnicity, Customized
Multiple
2 Participants1 Participants3 Participants
Race/Ethnicity, Customized
Native Hawaiian or Other Pacific Islander
0 Participants1 Participants1 Participants
Race/Ethnicity, Customized
Other
0 Participants1 Participants1 Participants
Race/Ethnicity, Customized
White
67 Participants68 Participants135 Participants
Region of Enrollment
United States
80 participants78 participants158 participants
Sex: Female, Male
Female
59 Participants55 Participants114 Participants
Sex: Female, Male
Male
21 Participants23 Participants44 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 790 / 77
other
Total, other adverse events
52 / 793 / 77
serious
Total, serious adverse events
0 / 790 / 77

Outcome results

Primary

Conjunctival Redness Assessed Via Digital Photography Over 90 Minutes in the Dry Eye Chamber

Change from baseline comparison of reproxalap to vehicle for conjunctival redness on a 0 to 4 scale ( 0 = normal, 4 = prominent), where a high score means a worse outcome. The intervention was administered bilaterally. The least squares mean (standard error) was derived from mixed model repeated measure for change from baseline included baseline, treatment group, and nominal time point as fixed effects.

Time frame: The efficacy assessment period was assessed during the 90-minute dry eye chamber at Day 2; baseline was Pre-Dose #1 at Day 1.

Population: Intent-to-Treat Population with observed data only

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
Reproxalap (0.25%)Conjunctival Redness Assessed Via Digital Photography Over 90 Minutes in the Dry Eye Chamber0.066 units on a scaleStandard Error 0.0346
VehicleConjunctival Redness Assessed Via Digital Photography Over 90 Minutes in the Dry Eye Chamber0.183 units on a scaleStandard Error 0.0353
Primary

Schirmer Test Change From Baseline After the First Dose on Day 1

Change from baseline comparison of reproxalap to vehicle for Schirmer test on a millimeter line (0 = none, 35 = maximum), where a shorter length indicates a worse outcome. The intervention was administered bilaterally. The least squares mean (standard error) was derived from mixed model repeated measure for change from baseline included baseline and treatment group as fixed effects.

Time frame: The efficacy assessment period was before and after the final dose on Day 1; baseline was Pre-Dose #1 at Day 1.

Population: Intent-to-Treat Population with observed data only

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
Reproxalap (0.25%)Schirmer Test Change From Baseline After the First Dose on Day 14.2 length in millimetersStandard Error 0.83
VehicleSchirmer Test Change From Baseline After the First Dose on Day 12.1 length in millimetersStandard Error 0.84
Primary

Subject-reported Ocular Dryness Score (0 - 100 Visual Analogue Scale (VAS))

Change from baseline comparison of reproxalap to vehicle for subject-reported ocular dryness score VAS (0 = no discomfort, 100 = maximal discomfort), where a high score means a worse outcome. The intervention was administered bilaterally. The least squares mean (standard error) was derived from mixed model repeated measure for change from baseline included baseline, treatment group, and nominal time point as fixed effects.

Time frame: The efficacy assessment period was assessed during the 90-minute dry eye chamber at Day 2; baseline was Pre-Dose #1 at Day 1.

Population: Intent-to-Treat Population with observed data only

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
Reproxalap (0.25%)Subject-reported Ocular Dryness Score (0 - 100 Visual Analogue Scale (VAS))-5.7 units on a scaleStandard Error 2.44
VehicleSubject-reported Ocular Dryness Score (0 - 100 Visual Analogue Scale (VAS))-3.8 units on a scaleStandard Error 2.51

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026