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A Multi-Center, Double-Masked, Randomized, Vehicle-Controlled, Parallel-Group Clinical Trial Evaluating the Safety of Reproxalap Ophthalmic Solution in Subjects With Dry Eye Disease

A Multi-Center, Double-Masked, Randomized, Vehicle-Controlled, Parallel-Group Clinical Trial Evaluating the Safety of 0.25% Reproxalap Ophthalmic Solution in Subjects With Dry Eye Disease

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04735393
Enrollment
757
Registered
2021-02-03
Start date
2021-01-26
Completion date
2022-10-11
Last updated
2025-11-26

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

Conditions

Dry Eye Disease

Brief summary

A Multi-Center, Double-Masked, Randomized, Vehicle-Controlled, Parallel-Group Clinical Trial Evaluating the Safety of 0.25% Reproxalap Ophthalmic Solution in Subjects with Dry Eye Disease

Interventions

Reproxalap Ophthalmic Solution (0.25%) administered for six weeks (QID for four weeks then BID for two weeks).

DRUGPlacebo Comparator

Vehicle Ophthalmic Solution administered for six weeks (QID for four weeks then BID for two weeks).

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

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

Exclusion criteria

* 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; * Diagnosis of an ongoing ocular infection (bacterial, viral, or fungal), or active ocular inflammation at Visit 1; * Contact lens use within 7 days of Visit 1 or anticipate using contact lenses during the trial; * Eye drop use within 2 hours of Visit 1; * Previous laser-assisted in situ keratomileusis (LASIK) surgery within the last 12 months; * Cyclosporine 0.05% or 0.09% or lifitegrast 5.0% ophthalmic solution within 90 days of Visit 1; * Planned ocular and/or lid surgeries over the study period or any ocular surgery within 6 months of Visit 1; * Temporary punctal plugs during the study that have not been stable within 30 days of Visit 1.

Design outcomes

Primary

MeasureTime frameDescription
Treatment-Emergent Serious Adverse Events (TE-SAEs) of Visual Acuity DecreaseSafety assessment period (six weeks)The proportion of 6-week safety population subjects that experience at least one visual acuity TE-SAE decrease (defined as an increase of 0.22 or greater in logMAR score) categorized as probably or definitely related to test article.
TE-SAEs of Increase in Intraocular PressureSafety assessment period (six weeks)The proportion of 6-week safety population subjects that experience at least one intraocular pressure TE-SAE (increase from baseline of greater than or equal to 10 mmHg and intraocular pressure of greater than 25 mmHg) categorized as probably or definitely related to test article.
TE-SAEs of the CorneaSafety assessment period (six weeks)The proportion of 6-week safety population subjects that experience at least one cornea-related TE-SAE (detected via slit-lamp examination) categorized as probably or definitely related to test article.
TE-SAEs of the RetinaSafety assessment period (six weeks)The proportion 6-week safety population subjects that experience at least one retinal TE-SAE (detected via fundoscopy) categorized as probably or definitely related to test article.
TE-SAEs of Visual Acuity DecreaseSafety assessment period (12 months)The proportion of 12-month safety population subjects that experience at least one visual acuity TE-SAE (defined as an increase of 0.22 or greater in logMAR score) categorized as probably or definitely related to test article.

Countries

United States

Participant flow

Pre-assignment details

The 6-week safety population are subjects randomized and treated in either the 6-week or 12-month cohort. The 12-month safety population are subjects randomized and treated in the 12-month cohort. There was a total of 757 randomized subjects in the trial. There were 6 subjects randomized and not dosed.

Participants by arm

ArmCount
Reproxalap (6-week)
Reproxalap was administered four times daily for four weeks followed by two times daily for two weeks.
503
Vehicle (6-week)
Vehicle was administered four times daily for four weeks followed by two times daily for two weeks.
251
Total754

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyAdverse Event567
Overall StudyLost to Follow-up4624
Overall StudyNot Detailed12
Overall StudyPhysician Decision21
Overall StudyProtocol Violation61
Overall StudyTrial terminated by Sponsor4929
Overall StudyWithdrawal by Subject7128

Baseline characteristics

CharacteristicReproxalap (6-week)Vehicle (6-week)Total
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
167 Participants86 Participants253 Participants
Age, Categorical
Between 18 and 65 years
336 Participants165 Participants501 Participants
Age, Continuous55.7 years
STANDARD_DEVIATION 15.8
56.9 years
STANDARD_DEVIATION 15.8
56.0 years
STANDARD_DEVIATION 15.75
Ethnicity (NIH/OMB)
Hispanic or Latino
154 Participants75 Participants229 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
349 Participants176 Participants525 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Race/Ethnicity, Customized
American Indian or Alaska Native
28 Participants15 Participants43 Participants
Race/Ethnicity, Customized
Asian
68 Participants42 Participants110 Participants
Race/Ethnicity, Customized
Black or African American
54 Participants26 Participants80 Participants
Race/Ethnicity, Customized
Multiple
8 Participants4 Participants12 Participants
Race/Ethnicity, Customized
Native Hawaiian or Other Pacific Islander
1 Participants0 Participants1 Participants
Race/Ethnicity, Customized
Other
1 Participants2 Participants3 Participants
Race/Ethnicity, Customized
White
343 Participants162 Participants505 Participants
Sex: Female, Male
Female
356 Participants176 Participants532 Participants
Sex: Female, Male
Male
147 Participants75 Participants222 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
deaths
Total, all-cause mortality
0 / 5030 / 2510 / 2992 / 148
other
Total, other adverse events
205 / 5038 / 251127 / 2993 / 148
serious
Total, serious adverse events
0 / 5030 / 2513 / 2995 / 148

Outcome results

Primary

TE-SAEs of Increase in Intraocular Pressure

The proportion of 6-week safety population subjects that experience at least one intraocular pressure TE-SAE (increase from baseline of greater than or equal to 10 mmHg and intraocular pressure of greater than 25 mmHg) categorized as probably or definitely related to test article.

Time frame: Safety assessment period (six weeks)

Population: 6-week safety population

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
ReproxalapTE-SAEs of Increase in Intraocular Pressure0 Participants
VehicleTE-SAEs of Increase in Intraocular Pressure0 Participants
Primary

TE-SAEs of Increase in Intraocular Pressure

The proportion of 12-month safety population subjects that experience at least one intraocular pressure TE-SAE (increase from baseline of greater than or equal to 10 mmHg and intraocular pressure of greater than 25 mmHg) categorized as probably or definitely related to test article.

Time frame: Safety assessment period (12 months)

Population: 12-month safety population

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
ReproxalapTE-SAEs of Increase in Intraocular Pressure0 Participants
VehicleTE-SAEs of Increase in Intraocular Pressure0 Participants
Primary

TE-SAEs of the Cornea

The proportion of 6-week safety population subjects that experience at least one cornea-related TE-SAE (detected via slit-lamp examination) categorized as probably or definitely related to test article.

Time frame: Safety assessment period (six weeks)

Population: 6-week safety population

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
ReproxalapTE-SAEs of the Cornea0 Participants
VehicleTE-SAEs of the Cornea0 Participants
Primary

TE-SAEs of the Cornea

The proportion of 12-month safety population subjects that experience at least one cornea-related TE-SAE (detected via slit-lamp examination) categorized as probably or definitely related to test article.

Time frame: Safety assessment period (12 months)

Population: 12-month safety population

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
ReproxalapTE-SAEs of the Cornea0 Participants
VehicleTE-SAEs of the Cornea0 Participants
Primary

TE-SAEs of the Retina

The proportion 6-week safety population subjects that experience at least one retinal TE-SAE (detected via fundoscopy) categorized as probably or definitely related to test article.

Time frame: Safety assessment period (six weeks)

Population: 6-week safety population

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
ReproxalapTE-SAEs of the Retina0 Participants
VehicleTE-SAEs of the Retina0 Participants
Primary

TE-SAEs of the Retina

The proportion 12-month safety population subjects that experience at least one retinal TE-SAE(detected via fundoscopy) categorized as probably or definitely related to test article.

Time frame: Safety assessment period (12-months)

Population: 12-month safety population

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
ReproxalapTE-SAEs of the Retina0 Participants
VehicleTE-SAEs of the Retina0 Participants
Primary

TE-SAEs of Visual Acuity Decrease

The proportion of 12-month safety population subjects that experience at least one visual acuity TE-SAE (defined as an increase of 0.22 or greater in logMAR score) categorized as probably or definitely related to test article.

Time frame: Safety assessment period (12 months)

Population: 12-month safety population

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
ReproxalapTE-SAEs of Visual Acuity Decrease0 Participants
VehicleTE-SAEs of Visual Acuity Decrease0 Participants
Primary

Treatment-Emergent Serious Adverse Events (TE-SAEs) of Visual Acuity Decrease

The proportion of 6-week safety population subjects that experience at least one visual acuity TE-SAE decrease (defined as an increase of 0.22 or greater in logMAR score) categorized as probably or definitely related to test article.

Time frame: Safety assessment period (six weeks)

Population: 6-week safety population

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
ReproxalapTreatment-Emergent Serious Adverse Events (TE-SAEs) of Visual Acuity Decrease0 Participants
VehicleTreatment-Emergent Serious Adverse Events (TE-SAEs) of Visual Acuity Decrease0 Participants
Post Hoc

Change From Baseline in Visual Acuity

Overall change from baseline in visual acuity logMAR score. Visual acuity values were averaged across both eyes for each participant.

Time frame: Efficacy assessment period (12 months)

Population: 12-month primary safety analysis population

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
ReproxalapChange From Baseline in Visual Acuity-0.030 LogMARStandard Error 0.0035
VehicleChange From Baseline in Visual Acuity-0.016 LogMARStandard Error 0.0046

Source: ClinicalTrials.gov · Data processed: Apr 13, 2026