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The INVIGORATE 2 Trial: A Clinical Trial to Assess the Efficacy and Safety of Subjects With Seasonal Allergic Conjunctivitis

The INVIGORATE 2 Trial: A Single-center, Randomized, Double-masked, Crossover Design, Vehicle-controlled, Phase 3 Clinical Trial to Assess the Efficacy and Safety of Reproxalap Ophthalmic Solution (0.25%) Compared to Vehicle in Subjects With Seasonal Allergic Conjunctivitis Using the Environmental Exposure Chamber (EEC)

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05234554
Enrollment
131
Registered
2022-02-10
Start date
2022-01-21
Completion date
2023-04-22
Last updated
2026-05-14

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

Conditions

Allergic Conjunctivitis

Brief summary

The INVIGORATE 2 Trial: A single-center, randomized, double-masked, crossover design, vehicle-controlled, Phase 3 clinical trial to assess the efficacy and safety of reproxalap ophthalmic solution (0.25%) compared to vehicle in subjects with seasonal allergic conjunctivitis using the environmental exposure chamber (EEC).

Interventions

Reproxalap Ophthalmic Solution (0.25%) dosed twice.

DRUGVehicle Ophthalmic Solution

Vehicle Ophthalmic Solution dosed twice.

Sponsors

Aldeyra Therapeutics, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
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

* Be at least 18 years of age at the time of screening of either sex or any race; * Provide written informed consent; * Be willing and able to follow instructions, and can attend all required clinical trial visits. * Have at least a two-year history of moderate-to-severe ragweed-induced allergic conjunctivitis based on investigator's judgement; * Have a positive skin prick test to ragweed pollen within the past year of the Medical Screening Visit (Visit 1).

Exclusion criteria

* Have a history of blepharitis, dry eye syndrome, herpes simplex keratitis, or herpes zoster keratitis; * Have systemic signs of infection (e.g., fever, current treatment with antibiotics). * Have a systemic disease or uncontrolled medical condition, which, in the opinion of the investigator, could interfere with clinical trial measurements or subject compliance. Such diseases or conditions would include, but are not limited to, cancer, alcoholism, drug dependency or abuse, or psychiatric disease; * Be a WOCBP who is pregnant, nursing, or not using an effective means of contraception; * Have any known contraindication or hypersensitivities to any components of the Investigational Product (IP) drug formulation.

Design outcomes

Primary

MeasureTime frameDescription
Subject-Reported Ocular Itching Score Assessed in the Allergy Chamber110 to 210 minutes during allergen chamber exposureThe method of assessment was a 9-point ocular itch scale measured in half-unit increments (0 none - 4 severe) with a higher score representing worse symptomology. Subjects were dosed once just prior to allergen chamber entry and again halfway through the chamber. The allergen chamber was 210 ten minutes in duration with the itching assessment being collected every 10 minutes from 110 to 210 minutes. The timepoints were assessed using mixed model repeated measures.

Secondary

MeasureTime frameDescription
Conjunctival Redness Evaluated by the Investigator12 to 212 minutes during allergen chamber exposureThe method of assessment was a 9-point ocular redness scale measured in half-unit increments (0 none - 4 extremely severe) with a higher score representing worse symptomology. Subjects were dosed once just prior to allergen chamber entry and again halfway through the chamber. The allergen chamber was 212 minutes in duration with the redness assessment being collected every 10 minutes from 12 to 212 minutes. The timepoints were assessed using mixed model repeated measures.

Countries

Canada

Baseline characteristics

Characteristic
Age, Continuous41.4 years
STANDARD_DEVIATION 11.7
Ethnicity (NIH/OMB)
Hispanic or Latino
17 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
59 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
3 Participants
Race (NIH/OMB)
Asian
10 Participants
Race (NIH/OMB)
Black or African American
28 Participants
Race (NIH/OMB)
More than one race
6 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
1 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
White
37 Participants
Region of Enrollment
Canada
131 participants
Sex: Female, Male
Female
34 Participants
Sex: Female, Male
Male
28 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 1300 / 131
other
Total, other adverse events
93 / 1305 / 131
serious
Total, serious adverse events
0 / 1300 / 131

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: May 15, 2026