CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 106 enrolled
Drug / intervention
ADX-2191 (intravitreal methotrexate 0.8%) +1 moredrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04136366
NCT04136366Phase 3Completed

The GUARD Trial - Part 1: A Phase 3 Clinical Trial of Repeated Intravitreal Injections of ADX-2191 Versus Standard-of-Care for Prevention of Proliferative Vitreoretinopathy

Aldeyra Therapeutics, Inc.·interventional·Posted Oct 23, 2019·Updated Jul 9, 2025

In Brief

A Phase 3 clinical trial evaluating ADX-2191 (intravitreal methotrexate 0.8%) and Standard surgical care procedure for Proliferative Vitreoretinopathy. Completed, enrolled 106 participants across 23 sites.

Detailed Summary

The GUARD Trial is a multi-center, randomized, controlled, adaptive Phase 3 clinical trial of repeated intravitreal injections of ADX-2191 versus standard-of-care for the prevention of proliferative vitreoretinopathy.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesUnited States
Collaborators--

Timeline

Phase 3CompletedFinished
2020202120222023202420252026
First PostedOct 23, 2019
Enrollment StartNov 15, 2019
Primary CompletionJun 14, 2022
TodayJul 2, 2026
Enrollment to primary: 2.6 yearsPosted 6.7 years ago

Interventions

ADX-2191 (intravitreal methotrexate 0.8%)drug

ADX-2191 (intravitreal methotrexate 0.8%) injected 13 times over 16 weeks upon completion of pars plana vitrectomy

Standard surgical care procedureother

Standard surgical care performed upon completion of pars plana vitrectomy