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Clinical Trial Details — Status: Withdrawn

Administrative data

NCT number NCT04728646
Other study ID # 2020P003125
Secondary ID
Status Withdrawn
Phase Phase 4
First received
Last updated
Start date September 2021
Est. completion date December 13, 2021

Study information

Verified date December 2021
Source Massachusetts Eye and Ear Infirmary
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

To evaluate the safety and efficacy of Dextenza intracanalicular insert in patients with ocular graft-versus-host disease (GVHD).


Description:

Allogenic hematopoietic stem cell transplantation (allo-HSCT) is a curative, established treatment modality for a variety of malignant and nonmalignant hematologic disorders. Despite an increase in patient survival with HSCT, Graft-Versus-Host Disease (GVHD), in which donor immune cells detect recipient cells as foreign and attack the host tissue, is associated with significant morbidity and mortality after allo-HSCT. Ocular surface involvement is one of the most common manifestations of chronic GVHD with up to 60-90% of patients affected. Dry eye (DE) is the typical finding in ocular GVHD, and severe, chronic inflammation plays a crucial role in the pathogenesis. Therefore, topical steroids have been commonly used in patients with ocular GVHD (oGVHD). Although a healing effect of topical steroids has been shown in oGVHD, the efficacy of treatment might be reduced if it is not applied appropriately; poor patient compliance and improper drop administration (such as missing the eye and instilling an insufficient amount of medication) might diminish medication efficacy. Additionally, even if drops are applied appropriately, only approximately 5% of the administered dose can reach the target tissue because of blinking, nasolacrimal drainage, and low corneal permeability. Furthermore, the intermittent administration of topical drops results in a variable drug concentration in the target tissue and produces a suboptimal pharmacologic effect. Additionally, the prolonged use of topical steroids can also be toxic to the ocular surface due to preservatives such as benzalkonium chloride, which is used for its anti-microbial properties to prevent the contamination of drops. This toxicity might further disrupt the corneal epithelial barrier, which is already disrupted because of existing ocular surface inflammation. To address all of these obstacles associated with topical steroids in patients with oGVHD, a sustained-released preservative-free intracanalicular insert (Dextenza, Ocular Therapeutix) may be beneficial. The purpose of this clinical trial is evaluate the safety and efficacy of Dextenza intracanalicular inserts in patients with ocular GVHD.


Recruitment information / eligibility

Status Withdrawn
Enrollment 0
Est. completion date December 13, 2021
Est. primary completion date December 13, 2021
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - All patients diagnosed as chronic ocular GVHD - Age >= 18 years - Corneal Fluorescein Staining = 4 - Ocular Surface Disease Index =22. Exclusion Criteria: - History of immune diseases other than GVHD, herpetic keratitis or ocular malignancy - Treatment regimen changes with topical cyclosporine, autologous serum, anakinra, or oral tetracycline compounds within 30 days prior to enrollment; - Treatment regimen changes with systemic immunosuppressants or topical anti-glaucoma medications within 15 days prior to enrollment - Current use of topical steroids more than twice a day - Current or history of steroid induced ocular hypertension or glaucoma - Family history of steroid induced ocular hypertension or glaucoma - History of any intra-ocular surgery in the past 3 months or contact lens use within 2 weeks prior to enrollment - History of collagen (prolong) intra-canalicular plug within 6 months - Inability to cooperate for a comprehensive ocular examination - History of lid deformity or neuroparalytic lid disease - Active ocular infection including herpetic disease

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
DEXTENZA (dexamethasone ophthalmic insert) 0.4 mg, for intracanalicular use
Inserted During Screening/Baseline: Day Zero in either the right or left eye (depending on randomization)
Device:
Regular dissolvable intracanalicular plug
Inserted During Screening/Baseline: Day Zero in either the right or left eye (depending on randomization)

Locations

Country Name City State
United States Mass Eye and Ear Boston Massachusetts

Sponsors (2)

Lead Sponsor Collaborator
Massachusetts Eye and Ear Infirmary Ocular Therapeutix, Inc.

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Corneal Fluorescein Staining Score Difference in the reduction of corneal fluorescein staining (CFS) compared to the contralateral eye. The cornea is divided into five zones (central, superior, temporal, nasal, and inferior) and for each zone, the severity of corneal fluorescein staining is graded on a scale from 0 to 3. Therefore, the maximum score is 15 for each eye. A higher score correlates to higher severity. 4 weeks
Primary Lissamine green staining score The difference in the reduction of lissamine green staining compared to the contralateral eye. Six regions are graded for each eye (3 nasal conjunctival regions and 3 temporal conjunctival regions) from 0-3. Thus, a maximum score of 18 is possible for each eye. A higher score correlates to higher severity. 4 Weeks
Primary Symptomatic Relief The difference in symptomatic relief from baseline to 4 weeks, as compared to the contralateral eye using The Symptom Assessment Questionnaire iN Dry Eye Questionnaire (SANDE). SANDE is a visual analog scale questionnaire that quantifies the severity and frequency of dry eye symptoms. Subjects mark on a 100 mm horizontal linear visual analog scale, with a pen or pencil, their frequency, and severity. By measuring, in mm, where each scale was marked, a score can be obtained, from 0 to 100, where a higher score correlates to more frequent and more severe symptoms. 4 Weeks
Secondary The Symptom Assessment Questionnaire iN Dry Eye Questionnaire The difference in the improvement of the symptom assessment in dry eye (SANDE) questionnaire score compared to the contralateral eye at 4 and 8 week. SANDE is a visual analog scale questionnaire that quantifies the severity and frequency of dry eye symptoms. Subjects mark on a 100 mm horizontal linear visual analog scale, with a pen or pencil, their frequency, and severity. By measuring, in mm, where each scale was marked, a score can be obtained, from 0 to 100, where a higher score correlates to more frequent and more severe symptoms. 8 Weeks
Secondary Schirmer's Test The differences in the improvement of Schirmer's test compared to the contralateral eye. Topical anesthetic is placed in the eye, and Schirmers test strips are placed in the temporal fornix of each eye. Patients are then instructed to close their eyes and after 5 minutes, the Schirmer strips are removed. The amount of wetting of each strip is read off of the strip and recorded. Values range from 0 to 35. Lower scores indicate lower tear production and greater ocular surface disease. 8 Weeks
Secondary Tear Break Up Time The differences in the improvement of Tear Break Up Time (TBUT) compared to the contralateral eye. After instillation of fluorescein, the patient is asked to close their eyes, then open the eye and keep it open. The amount of time between opening the eye and visible disruption of the tear film is recorded in seconds. The same procedure is repeated for the fellow eye. Time can range from 0 seconds (instantaneous break up) to >10 seconds. Lower times indicate greater ocular surface disease. 8 Weeks
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