Assessment of the Safety and Efficacy of RGN-259 Ophthalmic Solutions for Dry Eye Syndrome: ARISE-3 (ARISE-3)
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ClinicalTrials.gov Identifier: NCT03937882 |
Recruitment Status :
Completed
First Posted : May 6, 2019
Last Update Posted : May 9, 2022
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Condition or disease | Intervention/treatment | Phase |
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Dry Eye Syndromes Dry Eye | Drug: RGN-259 Drug: Placebo | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 700 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Intervention Model Description: | Subjects will be randomized in a 1:1 ratio RGN-259 to placebo ophthalmic solution. |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Masking Description: | All subjects, investigators, and study personnel involved with the conduct of the study will be masked with regard to treatment assignments. |
Primary Purpose: | Treatment |
Official Title: | A Multi-Center, Randomized, Double Masked, Placebo Controlled Clinical Study to Assess the Safety and Efficacy of RGN-259 Ophthalmic Solutions for the Treatment of Dry Eye (ARISE-3) |
Actual Study Start Date : | May 24, 2019 |
Actual Primary Completion Date : | November 8, 2020 |
Actual Study Completion Date : | October 7, 2021 |
Arm | Intervention/treatment |
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Experimental: RGN-259
RGN-259: It is a preservative-free, sterile eye drop solution containing Thymosin beta 4
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Drug: RGN-259
A preservative-free, sterile eye drop solution containing Thymosin beta 4 for direct instillation into each eye, four times a day (QID) for 14 days
Other Names:
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Placebo Comparator: Placebo
It is composed of the same excipients as RGN-259 but does not contain Thymosin beta 4
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Drug: Placebo
It is composed of the same excipients as RGN-259 but does not contain Thymosin beta 4
Other Name: Vehicle Control |
- Corneal staining [ Time Frame: 15 days after first dosing ]Mean change from baseline to Day 15 of Inferior Corneal Fluorescein Staining
- Ocular Discomfort 6-point (0=none, 5=worst) scale [ Time Frame: 15 days after first dosing ]Mean change from baseline to Day 15 of Ocular Discomfort severity

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Be at least 18 years of age;
- Provide written informed consent;
- Have a subject reported history of dry eye for at least 6 months;
- Have a history of use or desire to use eye drops for dry eye symptoms within 6 months
Exclusion Criteria:
- Have any 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;
- Be diagnosed with an ongoing ocular infection (bacterial, viral, or fungal), or active ocular inflammation at Visit 1;
- Have an uncontrolled systemic disease;
- Be a woman who is pregnant, nursing or planning a pregnancy

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03937882

Responsible Party: | ReGenTree, LLC |
ClinicalTrials.gov Identifier: | NCT03937882 |
Other Study ID Numbers: |
RGN-259/19-110-0002 |
First Posted: | May 6, 2019 Key Record Dates |
Last Update Posted: | May 9, 2022 |
Last Verified: | November 2021 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Dry Eye Dry Eye Syndrome DES |
Dry Eye Syndromes Keratoconjunctivitis Sicca Syndrome Disease Pathologic Processes Lacrimal Apparatus Diseases |
Eye Diseases Keratoconjunctivitis Conjunctivitis Conjunctival Diseases Keratitis Corneal Diseases |