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OKG-0301 for the Treatment of Acute Adenoviral Conjunctivitis (RUBY)

Primary Purpose

Adenoviral Conjunctivitis

Status
Active
Phase
Phase 2
Locations
Australia
Study Type
Interventional
Intervention
OKG-0301
Sponsored by
Okogen
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Adenoviral Conjunctivitis

Eligibility Criteria

18 Years - undefined (Adult, Older Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

Each patient MUST:

  1. Be willing and able to provide informed consent either written, or if the patient is not able to read, provide consent as stipulated by local laws and Human Research Ethics Committee (HREC) guidelines.
  2. Be willing and able to follow all instructions and attend all study visits.
  3. Have a clinical diagnosis of suspected acute adenoviral conjunctivitis in at least 1 eye and the presence of both of the following minimal clinical signs in that same eye:

    • Bulbar conjunctival redness: a minimum grade of '1' on 0-3 scale
    • Watery ocular discharge: a minimum grade of '1' on a 0-3 scale
  4. Patient reported presence of signs and symptoms consistent with adenoviral conjunctivitis equal to or less than 3 days in same eye prior to Visit 1.
  5. Have a positive AdenoPlus® test at Visit 1 in the same eye that meets the minimum 1+ grade for bulbar conjunctival redness and watery ocular discharge.
  6. Be willing to discontinue contact lens wear for the duration of the study.

Exclusion Criteria:

Each patient MUST NOT:

  1. Have known sensitivity or poor tolerance to any component of the study medications or diagnostics.
  2. Have a history of ocular surgical intervention or trauma within 12 weeks prior to Visit 1 or planned for the period of the study.
  3. Have presence of any active ocular inflammation (e.g., uveitis, allergic conjunctivitis, ocular rosacea, or iritis), other than acute adenoviral conjunctivitis.
  4. Have clinical signs or presence of an ocular infection other than acute adenoviral conjunctivitis (e.g., bacterial, fungal or other ocular viral infection, such as herpes).
  5. Have the presence of corneal subepithelial infiltrates at baseline.
  6. Have a history of recurrent corneal erosion syndrome, ulcerative keratitis or dry eye, including meibomian gland dysfunction and other ocular surface diseases.
  7. Have presence of blepharitis, lid abnormality, significant inflammation of the lid margin, or ptosis.
  8. Have lacrimal duct obstruction in either eye.
  9. Have presence of any other clinically significant findings during the slit lamp exam that may interfere with study parameters or otherwise confound the data as determined by the investigator
  10. Have any clinically significant retinal or optic nerve findings (as observed in the non-dilated fundus exam) or prior diagnoses in either eye that may interfere with study parameters or otherwise confound the data as determined by the investigator).
  11. Have used any topical ocular or systemic anti-viral or topical ocular or systemic corticosteroid within 7 days of enrollment and do not plan to start any topical ocular or systemic anti-viral during study duration. Inhaled, intranasal, and topical dermatologic steroids (except on the face) are allowed during the study.
  12. Initiate or continue the use of warm or cold compresses for the duration of the trial.
  13. Have used any topical ophthalmic solutions, including tear substitutes and diagnostics, within 2 hours of Visit 1 and be unable to discontinue all topical ophthalmic solutions (including diagnostics, except as required by this protocol and antibiotics) for the duration of the study. In addition, if the patient has used an artificial tear or other topical ophthalmic formulated in a hydrogel within the past 72 hours.
  14. Be currently pregnant, nursing, or planning a pregnancy; or be a woman that has a positive pregnancy test.
  15. Have any uncontrolled (not on a stable regimen for the past 30 days) systemic disease or debilitating disease (e.g., cardiovascular disease, hypertension, diabetes, or cystic fibrosis) or taking medications known to impact the ocular surface and/or tear film.
  16. Have a planned overnight hospitalization during the period of the study.
  17. Have any uncontrolled (not on a stable regimen for the past 30 days) autoimmune disease or taking medications known to impact the ocular surface and/or tear film.
  18. Have prior (within 30 days of beginning study treatment) or anticipated concurrent use of an investigational drug or device.
  19. Have a condition or a situation which, in the investigator's opinion, may put the patient at increased risk, confound study data, or interfere significantly with the patient's study participation.
  20. Be unlikely to follow study instructions or to complete all required study visits or has a condition or situation that in the investigator's opinion, may put the patient at significant risk, may confound the study results, or may interfere significantly with the patient's participation in the study

Sites / Locations

  • Albury Eye Clinic
  • Sydney Eye Hospital
  • The Royal Adelaide Hospital
  • Hobart Eye Surgeons
  • The Royal Victorian Eye and Ear Hospital
  • Lions Eye Institute Day Surgery Centre

Arms of the Study

Arm 1

Arm 2

Arm 3

Arm Type

Experimental

Experimental

Placebo Comparator

Arm Label

OKG-0301 0.012% w/v

OKG-0301 0.03% w/v

Vehicle Control

Arm Description

Outcomes

Primary Outcome Measures

Mean change from baseline in viral titre levels in the study eye
PFU

Secondary Outcome Measures

Clinical Cure as Measured by the Absence of Bulbar Conjunctival Injection
Clinical cure of acute adenoviral conjunctivitis as measured by the absence (score = 0) of bulbar conjunctival redness (graded using the validated Ora Calibra Scale 16.2: Bulbar Conjunctival Redness Grading Scale)
Clinical Cure as Measured by the Absence of Watery Conjunctival Discharge
Clinical cure of acute adenoviral conjunctivitis as measured by the absence (score = 0) of watery conjunctival discharge (graded on a scale of 0-3 based on severity, developed specifically for this trial)
Adenoviral eradication (CC-IFA)
Adenoviral eradication is defined as negative CC-IFA. CC-IFA will be conducted using conjunctival swab samples collected at each visit to determine the presence or absence of adenovirus.
Adenoviral eradication (PFU)
Adenoviral eradication is defined as zero plaques in cultures of ocular samples. PFU will be conducted using conjunctival swab samples collected at each visit to determine the presence or absence of adenovirus.
Severity of subepithelial infiltrates
Evaluation of SEIs in study eye, assessed under slit lamp exam with Investigator grading on a 0-3 semi-quantitative scale (developed specifically for this study).
The rate of cross-over infection
Clinical signs in contra-lateral eye that initially presented with no signs or symptoms of adenoviral conjunctivitis

Full Information

First Posted
February 21, 2019
Last Updated
April 20, 2022
Sponsor
Okogen
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1. Study Identification

Unique Protocol Identification Number
NCT03856645
Brief Title
OKG-0301 for the Treatment of Acute Adenoviral Conjunctivitis
Acronym
RUBY
Official Title
A Phase 2, Multi-centeR, Randomized, DoUBle-Masked, Placebo-Controlled StudY to Evaluate the Clinical Safety and Efficacy of OKG-0301 in the Treatment of Acute Adenoviral Conjunctivitis
Study Type
Interventional

2. Study Status

Record Verification Date
April 2022
Overall Recruitment Status
Active, not recruiting
Study Start Date
February 11, 2019 (Actual)
Primary Completion Date
June 30, 2022 (Anticipated)
Study Completion Date
June 30, 2022 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Okogen

4. Oversight

Studies a U.S. FDA-regulated Drug Product
Yes
Studies a U.S. FDA-regulated Device Product
No
Product Manufactured in and Exported from the U.S.
Yes
Data Monitoring Committee
No

5. Study Description

Brief Summary
Acute adenoviral conjunctivitis is a highly contagious, widespread endemic disease associated with frequent outbreaks, significant patient discomfort, lost productivity, and in some cases permanent visual compromise from long-term immune mediated sequelae. OKG-0301 is a novel ophthalmic solution with a potent ribonuclease that has broad-spectrum antiviral properties relevant for the treatment of acute adenoviral conjunctivitis. This randomized, double masked, multi-center Phase 2 study is being conducted entirely within Australia and is designed to support the safety and efficacy of OKG-0301 for the treatment of acute adenoviral conjunctivitis. The study intends to show superiority of OKG-0301 Ophthalmic Solution compared to vehicle for the primary efficacy endpoint of mean change from baseline in viral titre in patients with acute adenoviral conjunctivitis. Secondary efficacy endpoints including adenoviral eradication, clinical cure of acute adenoviral conjunctivitis, subepithelial infiltrates, other clinical signs and symptoms, and rate of cross-over infection to the other eye will also be assessed. Safety will also be evaluated.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Adenoviral Conjunctivitis

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 2
Interventional Study Model
Parallel Assignment
Masking
ParticipantCare ProviderInvestigatorOutcomes Assessor
Allocation
Randomized
Enrollment
219 (Anticipated)

8. Arms, Groups, and Interventions

Arm Title
OKG-0301 0.012% w/v
Arm Type
Experimental
Arm Title
OKG-0301 0.03% w/v
Arm Type
Experimental
Arm Title
Vehicle Control
Arm Type
Placebo Comparator
Intervention Type
Drug
Intervention Name(s)
OKG-0301
Intervention Description
OKG-0301 is an experimental ophthalmic antiviral and immunomodulatory therapeutic
Primary Outcome Measure Information:
Title
Mean change from baseline in viral titre levels in the study eye
Description
PFU
Time Frame
Day 7
Secondary Outcome Measure Information:
Title
Clinical Cure as Measured by the Absence of Bulbar Conjunctival Injection
Description
Clinical cure of acute adenoviral conjunctivitis as measured by the absence (score = 0) of bulbar conjunctival redness (graded using the validated Ora Calibra Scale 16.2: Bulbar Conjunctival Redness Grading Scale)
Time Frame
Day 4, 7 and 14
Title
Clinical Cure as Measured by the Absence of Watery Conjunctival Discharge
Description
Clinical cure of acute adenoviral conjunctivitis as measured by the absence (score = 0) of watery conjunctival discharge (graded on a scale of 0-3 based on severity, developed specifically for this trial)
Time Frame
Day 4, 7 and 14
Title
Adenoviral eradication (CC-IFA)
Description
Adenoviral eradication is defined as negative CC-IFA. CC-IFA will be conducted using conjunctival swab samples collected at each visit to determine the presence or absence of adenovirus.
Time Frame
Day 4, 7 and 14
Title
Adenoviral eradication (PFU)
Description
Adenoviral eradication is defined as zero plaques in cultures of ocular samples. PFU will be conducted using conjunctival swab samples collected at each visit to determine the presence or absence of adenovirus.
Time Frame
Day 4, 7 and 14
Title
Severity of subepithelial infiltrates
Description
Evaluation of SEIs in study eye, assessed under slit lamp exam with Investigator grading on a 0-3 semi-quantitative scale (developed specifically for this study).
Time Frame
Day 4, 7 and 14
Title
The rate of cross-over infection
Description
Clinical signs in contra-lateral eye that initially presented with no signs or symptoms of adenoviral conjunctivitis
Time Frame
Day 4, 7 and 14

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: Each patient MUST: Be willing and able to provide informed consent either written, or if the patient is not able to read, provide consent as stipulated by local laws and Human Research Ethics Committee (HREC) guidelines. Be willing and able to follow all instructions and attend all study visits. Have a clinical diagnosis of suspected acute adenoviral conjunctivitis in at least 1 eye and the presence of both of the following minimal clinical signs in that same eye: Bulbar conjunctival redness: a minimum grade of '1' on 0-3 scale Watery ocular discharge: a minimum grade of '1' on a 0-3 scale Patient reported presence of signs and symptoms consistent with adenoviral conjunctivitis equal to or less than 3 days in same eye prior to Visit 1. Have a positive AdenoPlus® test at Visit 1 in the same eye that meets the minimum 1+ grade for bulbar conjunctival redness and watery ocular discharge. Be willing to discontinue contact lens wear for the duration of the study. Exclusion Criteria: Each patient MUST NOT: Have known sensitivity or poor tolerance to any component of the study medications or diagnostics. Have a history of ocular surgical intervention or trauma within 12 weeks prior to Visit 1 or planned for the period of the study. Have presence of any active ocular inflammation (e.g., uveitis, allergic conjunctivitis, ocular rosacea, or iritis), other than acute adenoviral conjunctivitis. Have clinical signs or presence of an ocular infection other than acute adenoviral conjunctivitis (e.g., bacterial, fungal or other ocular viral infection, such as herpes). Have the presence of corneal subepithelial infiltrates at baseline. Have a history of recurrent corneal erosion syndrome, ulcerative keratitis or dry eye, including meibomian gland dysfunction and other ocular surface diseases. Have presence of blepharitis, lid abnormality, significant inflammation of the lid margin, or ptosis. Have lacrimal duct obstruction in either eye. Have presence of any other clinically significant findings during the slit lamp exam that may interfere with study parameters or otherwise confound the data as determined by the investigator Have any clinically significant retinal or optic nerve findings (as observed in the non-dilated fundus exam) or prior diagnoses in either eye that may interfere with study parameters or otherwise confound the data as determined by the investigator). Have used any topical ocular or systemic anti-viral or topical ocular or systemic corticosteroid within 7 days of enrollment and do not plan to start any topical ocular or systemic anti-viral during study duration. Inhaled, intranasal, and topical dermatologic steroids (except on the face) are allowed during the study. Initiate or continue the use of warm or cold compresses for the duration of the trial. Have used any topical ophthalmic solutions, including tear substitutes and diagnostics, within 2 hours of Visit 1 and be unable to discontinue all topical ophthalmic solutions (including diagnostics, except as required by this protocol and antibiotics) for the duration of the study. In addition, if the patient has used an artificial tear or other topical ophthalmic formulated in a hydrogel within the past 72 hours. Be currently pregnant, nursing, or planning a pregnancy; or be a woman that has a positive pregnancy test. Have any uncontrolled (not on a stable regimen for the past 30 days) systemic disease or debilitating disease (e.g., cardiovascular disease, hypertension, diabetes, or cystic fibrosis) or taking medications known to impact the ocular surface and/or tear film. Have a planned overnight hospitalization during the period of the study. Have any uncontrolled (not on a stable regimen for the past 30 days) autoimmune disease or taking medications known to impact the ocular surface and/or tear film. Have prior (within 30 days of beginning study treatment) or anticipated concurrent use of an investigational drug or device. Have a condition or a situation which, in the investigator's opinion, may put the patient at increased risk, confound study data, or interfere significantly with the patient's study participation. Be unlikely to follow study instructions or to complete all required study visits or has a condition or situation that in the investigator's opinion, may put the patient at significant risk, may confound the study results, or may interfere significantly with the patient's participation in the study
Facility Information:
Facility Name
Albury Eye Clinic
City
Albury
State/Province
New South Wales
ZIP/Postal Code
2640
Country
Australia
Facility Name
Sydney Eye Hospital
City
Sydney
State/Province
New South Wales
ZIP/Postal Code
2000
Country
Australia
Facility Name
The Royal Adelaide Hospital
City
Adelaide
State/Province
South Australia
ZIP/Postal Code
5000
Country
Australia
Facility Name
Hobart Eye Surgeons
City
Hobart
State/Province
Tasmania
ZIP/Postal Code
7000
Country
Australia
Facility Name
The Royal Victorian Eye and Ear Hospital
City
Melbourne E.
State/Province
Victoria
ZIP/Postal Code
3002
Country
Australia
Facility Name
Lions Eye Institute Day Surgery Centre
City
Nedlands
State/Province
Western Australia
ZIP/Postal Code
6009
Country
Australia

12. IPD Sharing Statement

Plan to Share IPD
No
Links:
URL
https://anzctr.org.au
Description
Registration number: ACTRN12619000177156

Learn more about this trial

OKG-0301 for the Treatment of Acute Adenoviral Conjunctivitis

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