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Clinical Trials/NCT07400965
NCT07400965
Recruiting
Phase 2

Multicenter, Randomized, Double-Masked, Placebo-Controlled, Parallel Group Phase 2 Trial Evaluating the Safety and Efficacy of GLK-321 in Subjects With Demodex Blepharitis

Glaukos Corporation1 site in 1 country250 target enrollmentStarted: December 5, 2025Last updated:

Overview

Phase
Phase 2
Status
Recruiting
Enrollment
250
Locations
1
Primary Endpoint
Percentage of study eyes with elimination of collarettes

Overview

Brief Summary

This is a randomized, double-masked, placebo-controlled, dose-ranging, parallel-group, multi-center study designed to evaluate the safety and efficacy of GLK-321 in patients with Demodex blepharitis.

Study Design

Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel
Primary Purpose
Treatment
Masking
Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)

Eligibility Criteria

Ages
18 Years to — (Adult, Older Adult)
Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Signs of Demodex blepharitis in at least one eye
  • Best Spectacle Corrected Visual Acuity (BSCVA) of 20/80 Snellen or better in each eye

Exclusion Criteria

  • Presence of eczema or dermatitis in the ocular region of either eye
  • Use of lid hygiene products within 14 days of Screening
  • Active ocular infection or inflammation, other than blepharitis, in either eye at Screening
  • Women who are pregnant, planning a pregnancy, or nursing
  • Have used an investigational drug or device within 30 days prior to Screening or concurrently enrolled in another investigational drug or device trial

Arms & Interventions

Placebo BID

Placebo Comparator

Placebo administered twice daily (BID) to both eyes

Intervention: Placebo BID (Drug)

GLK-321 low dose BID

Experimental

Low dose of GLK-321 administered twice daily (BID) to both eyes

Intervention: GLK-321 low dose BID (Drug)

GLK-321 mid dose BID

Experimental

Mid dose of GLK-321 administered twice daily (BID) to both eyes

Intervention: GLK-321 mid dose BID (Drug)

GLK-321 high dose BID

Experimental

High dose of GLK-321 administered twice daily (BID) to both eyes

Intervention: GLK-321 high dose BID (Drug)

GLK-321 high dose QD

Experimental

High dose of GLK-321 administered once daily (QD) to both eyes

Intervention: GLK-321 high dose QD (Drug)

Outcomes

Primary Outcomes

Percentage of study eyes with elimination of collarettes

Time Frame: 6 weeks

Percentage of study eyes that had eyelash collarettes due to Demodex blepharitis at the onset of treatment who demonstrate absence of collarettes after 6 weeks of treatment

Secondary Outcomes

No secondary outcomes reported

Investigators

Sponsor Class
Industry
Responsible Party
Sponsor

Study Sites (1)

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