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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT03397264
Registration number
NCT03397264
Ethics application status
Date submitted
1/01/2018
Date registered
11/01/2018
Date last updated
22/06/2022
Titles & IDs
Public title
A Dose Ranging Study of OPT-302 With Aflibercept for Persistent Diabetic Macular Edema
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Scientific title
Phase 1b/2a Study of OPT-302 in Combination With Aflibercept for Persistent Central-involved Diabetic Macular Edema
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Secondary ID [1]
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OPT-302-1003
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Diabetic Macular Edema
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Condition category
Condition code
Eye
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Diseases / disorders of the eye
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Cardiovascular
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Diseases of the vasculature and circulation including the lymphatic system
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Other - Aflibercept
Treatment: Other - OPT-302
Other interventions - Sham intravitreal injection
Experimental: Ph 1b: 2.0 mg aflibercept with 0.3 mg OPT-302 - 2.0 mg aflibercept intravitreal injection (0.05 mL) followed by 0.3 mg OPT-302 intravitreal injection (0.05 mL)
Experimental: Ph 1b: 2.0 mg aflibercept with 1.0 mg OPT-302 - 2.0 mg aflibercept intravitreal injection (0.05 mL) followed by 1.0 mg OPT-302 intravitreal injection (0.05 mL)
Experimental: Ph 1b: 2.0 mg aflibercept with 2.0 mg OPT-302 - 2.0 mg aflibercept intravitreal injection (0.05 mL) followed by 2.0 mg OPT-302 intravitreal injection (0.05 mL)
Experimental: Ph 2a: 2.0 mg aflibercept with 2.0 mg OPT-302 - 2.0 mg aflibercept intravitreal injection (0.05 mL) followed by 2.0 mg OPT-302 intravitreal injection (0.05 mL)
Sham comparator: Ph 2a: 2.0 mg aflibercept with sham - 2.0 mg aflibercept intravitreal injection (0.05 mL) followed by sham intravitreal injection
Treatment: Other: Aflibercept
Intravitreal injection
Treatment: Other: OPT-302
Intravitreal Injection
Other interventions: Sham intravitreal injection
Sham (mock) intravitreal injection
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Intervention code [1]
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Treatment: Other
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Intervention code [2]
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Other interventions
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Incidence of Treatment-Emergent Adverse Events (Safety and Tolerability)
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Assessment method [1]
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Safety and Tolerability will be assessed using the National Cancer Institute Common Terminology Criteria for Adverse Events and CTC v4.0 (if available, otherwise protocol defined grading were used)
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Timepoint [1]
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Baseline to Week 12
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Primary outcome [2]
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Phase 2a: Response Rate as Defined by Proportion of Participants Receiving Combination of OPT-302 and Aflibercept Achieving at Least a 5-letter Gain in BCVA Compared to Baseline at Week 12 According to ETDRS Criteria
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Assessment method [2]
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BCVA will be measured according to Early Treatment Diabetic Retinopathy Score (ETDRS) criteria
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Timepoint [2]
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Baseline to Week 12
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Secondary outcome [1]
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Mean Change in BCVA
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Assessment method [1]
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Mean change in Best Corrected Visual Acuity (BCVA). BCVA will be measured according to Early Treatment Diabetic Retinopathy Score (ETDRS) criteria
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Timepoint [1]
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Baseline to Week 12
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Secondary outcome [2]
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Mean Change in CST
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Assessment method [2]
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Mean change in central subfield thickness (CST) on spectral domain coherence tomography (SD-OCT)
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Timepoint [2]
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Baseline to Week 12
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Eligibility
Key inclusion criteria
* History of diabetic macular edema (DME) = 2 year
* Persistent DME despite prior intravitreal anti-VEGF-A therapy with a sub-optimal response
* Three or more prior anti-VEGF-A therapy intravitreal injections
* EDTRS BCVA score = 73 and = 24 letters
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Ocular disorders or ocular treatments which may interfere with assessment of visual acuity, assessment of toxicity, or fundus photography in the Study Eye
* HbA1c = 12% and/or recent signs of uncontrolled diabetes
* Any clinically significant disorder or condition or disease (e.g. cardiovascular, renal conditions) that would make the participant unsuitable for the study
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people assessing the outcomes
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 1
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
16/01/2018
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
11/06/2020
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Sample size
Target
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Accrual to date
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Final
153
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Recruitment in Australia
Recruitment state(s)
NSW,WA
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Recruitment hospital [1]
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Opthea Investigational Site - Parramatta
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Recruitment hospital [2]
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Opthea Investigational Site - Sydney
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Recruitment hospital [3]
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Opthea Investigational Site - Westmead
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Recruitment hospital [4]
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Opthea Investigational Site - Perth
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Recruitment postcode(s) [1]
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- Parramatta
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Recruitment postcode(s) [2]
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- Sydney
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Recruitment postcode(s) [3]
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2145 - Westmead
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Recruitment postcode(s) [4]
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- Perth
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Recruitment outside Australia
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United States of America
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Arizona
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California
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Colorado
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Florida
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Georgia
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Indiana
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Iowa
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Kansas
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Maryland
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South Dakota
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Tennessee
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Texas
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Israel
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Be'er Ya'aqov
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Israel
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Haifa
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Israel
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Jerusalem
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Israel
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Kfar Saba
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Israel
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Petah Tikva
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Israel
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Re?ovot
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Israel
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Tel Aviv Yafo
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Israel
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Tiberias
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Latvia
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Jelgava
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Latvia
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Riga
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Opthea Limited
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Address
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Ethics approval
Ethics application status
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Summary
Brief summary
A two part, multi-center study consisting of a Phase 1b open label, sequential dose escalation followed by a Phase 2a randomized, double-masked, dose expansion evaluating OPT-302 in combination with aflibercept in participants with persistent central-involved Diabetic Macular Edema.
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Trial website
https://clinicaltrials.gov/study/NCT03397264
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
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Address
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Type
Other Details
Attachment
Study protocol
https://cdn.clinicaltrials.gov/large-docs/64/NCT03397264/Prot_000.pdf
Statistical analysis plan
https://cdn.clinicaltrials.gov/large-docs/64/NCT03397264/SAP_001.pdf
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results are available at
https://clinicaltrials.gov/study/NCT03397264
Download to PDF