Drugs / RGN-259
last change May 2026 re-read 3 minutes ago

RGN-259

Developed for
dry eye syndrome · neurotrophic keratopathy
Investigated by
ReGenTree, LLC

Trials 5

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 2/31 trial · 1 met primary
Phase 2/3 NCT02597803 Sep 2015 → Jun 2016 dry eye syndrome ReGenTree, LLC Completed Met primary
Phase 34 trials · 2 missed
Phase 3 NCT05555589 Apr 2023 → Apr 2026 overdue neurotrophic keratopathy ReGenTree, LLC Recruiting No outcome recorded
Phase 3 NCT03937882 May 2019 → Nov 2020 dry eye syndrome ReGenTree, LLC Completed Missed primary
Phase 3 NCT02974907 Nov 2016 → Sep 2017 dry eye syndrome ReGenTree, LLC Completed No outcome recorded
Phase 3 NCT02600429 Sep 2015 → Nov 2019 neurotrophic keratopathy ReGenTree, LLC Terminated Missed primary Stop: Business

Press releases naming this drug 1 release

DateIssuerRelease
2016-05-06 RegeneRx Biopharmaceuticals, Inc. RGN-259 Confirms Efficacy in Signs and Symptoms of Dry Eye regenerx.com ↗

Evidence & citations 2 cited values

Every value below carries the sentence it was read from. 5 sources stand behind the page.

FieldValueCited text
Known as RGN-259 ClinicalTrials.gov intervention name — accepted as the source's own label NCT02600429 ↗
4

NCT02974907 ↗

NCT02597803 ↗

NCT03937882 ↗

NCT05555589 ↗

Route Topical “A preservative-free, sterile eye drop solution containing Tβ4 for direct instillation into each eye, four times a day (QID) for 28 days” NCT02597803 ↗