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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT02623426
Registration number
NCT02623426
Ethics application status
Date submitted
3/12/2015
Date registered
7/12/2015
Date last updated
10/07/2023
Titles & IDs
Public title
Macular Edema Ranibizumab v. Intravitreal Anti-inflammatory Therapy Trial
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Scientific title
Macular Edema Ranibizumab v. Intravitreal Anti-inflammatory Therapy Trial
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Secondary ID [1]
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U10EY024527
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Secondary ID [2]
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119247
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Universal Trial Number (UTN)
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Trial acronym
MERIT
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Uveitis
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Macular Edema
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Condition category
Condition code
Eye
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Diseases / disorders of the eye
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Inflammatory and Immune System
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Other inflammatory or immune system disorders
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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: Drugs - Dexamethasone intravitreal implant 0.7 mg
Treatment: Drugs - Intravitreal Methotrexate 400 µg
Treatment: Drugs - Intravitreal Ranibizumab 0.5 mg
Active comparator: Dexamethasone intravitreal implant 0.7mg - Participants were randomized to a treatment group. A participant may have 1 or 2 eyes with macular edema (eligible eyes) receiving the same treatment.
Eligible eye(s) treated at study visit M01 (week 0).
Retreatment required at study visit M03 (8 weeks) if re-treatment criteria met.
Retreatment permitted at later time points if retreatment criteria met.
Re-treatment criteria:
1. Central subfield thickness greater than 1.1X upper limit of normal (330 µm for Zeiss and Topcon Spectral Domain (SD) Optical Coherence Tomography (OCT) and 352 µm for Heidelberg OCT) and/or cystoid space(s) within 1 mm central subfield.
2. IOP of \<25 mm Hg (treatment with =3 IOP-lowering agents permitted)
Minimum time between treatments: minimum target is 8 weeks after last injection but re-injection permitted as early as 51 days after last injection;
Active comparator: Intravitreal methotrexate 400µg in 0.1mL - Participants were randomized to a treatment group. A participant may have 1 or 2 eyes with macular edema (eligible eyes) receiving the same treatment.
Eligible eye(s) treated at study visit M01 (week 0).
Retreatment required at M02 (4 weeks) and M03 (8 weeks) if retreatment criteria met.
Retreatment permitted at later time points if retreatment criteria met.
Minimum time between treatments: minimum target is 4 weeks after last injection but re-injection permitted as early as 23 days after last injection.
Active comparator: Intravitreal ranibizumab 0.5mg in 0.05mL - Participants were randomized to a treatment group. A participant may have 1 or 2 eyes with macular edema (eligible eyes) receiving the same treatment.
Eligible eye(s) treated at study visits M01 (week 0), M02 (4 weeks), and M03 (8 weeks).
Retreatment permitted at M04 (12 weeks) and at later time points if retreatment criteria met.
Minimum time between treatments: minimum target is 4 weeks after last injection but re-injection permitted as early as 23 days after last injection.
Re-treatment permitted at later time points if re-treatment criteria met.
Treatment: Drugs: Dexamethasone intravitreal implant 0.7 mg
Standard preparation as described for intravitreal injections.
Treatment: Drugs: Intravitreal Methotrexate 400 µg
Intravitreal Methotrexate 400 µg injection procedures should be carried out under controlled aseptic conditions which include the use of sterile gloves and a sterile eyelid speculum (or equivalent). Adequate anesthesia and a broad-spectrum microbicide such as betadine, applied to the periocular skin, eyelid and ocular surface are required prior to the injection.
Treatment: Drugs: Intravitreal Ranibizumab 0.5 mg
Intravitreal Ranibizumab 0.5 mg injection procedures should be carried out under controlled aseptic conditions which include the use of sterile gloves and a sterile eyelid speculum (or equivalent). Adequate anesthesia and a broad-spectrum microbicide such as betadine, applied to the periocular skin, eyelid and ocular surface are required prior to the injection.
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Intervention code [1]
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Treatment: Drugs
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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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Proportion of Baseline Central Subfield Thickness Observed at 12 Weeks
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Assessment method [1]
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The primary outcome is the change in central subfield thickness from baseline to 12 weeks measured on a relative scale as the the proportion of the baseline central subfield thickness. The proportion of baseline subfield thickness is estimated by a mixed effect model that includes time points for baseline, week 4, week 8, and week 12 and the treatment group. The treatment effect is the interaction (product) of time point and treatment. Contrasts of the model parameter estimates were used to calculate the change from baseline to week 12 and the comparison between treatment groups.
Values less than 1 indicate a decrease in retinal thickness with lower values indicating greater decreases (improvement).The OCT outcomes were measured by masked readers. The 12-week visit was chosen as the time to assess the primary outcome because of the ranibizumab treatment schedule and the peak effect time for dexamethasone
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Timepoint [1]
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At 12-week visit
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Eligibility
Key inclusion criteria
Inclusion criteria:
Patient level inclusion criterion
1. 18 years of age or older;
Eye level inclusion criteria - at least one eye must meet all of the following conditions
2. Inactive or minimally active non-infectious anterior, intermediate, posterior or panuveitis, as defined by the Standardization of Uveitis Nomenclature (SUN) Working Group criteria as = 0.5+ anterior chamber cells, = 0.5+ vitreous haze grade and no active retinal/choroidal lesions for a minimum of 4 weeks;
3. Macular edema (ME) defined as the presence of macular thickness greater than the normal range for the OCT machine being used (see cut points below), regardless of the presence of cysts, following an intravitreal corticosteroid injection (= 4 weeks following intravitreal triamcinolone injection or = 12 weeks following intravitreal dexamethasone implant injection);
Greater than 300 µm for Zeiss Cirrus Greater than 320 µm for Heidelberg Spectralis Greater than 300 µm for Topcon SD OCT
4. Baseline fluorescein angiogram that, as assessed by the study ophthalmologist, is gradable for degree of leakage in the central subfield;
5. Best corrected visual acuity (BCVA) 5/200 or better;
6. Baseline intraocular pressure > 5 mm Hg and = 21 mm Hg (current use of =3 intraocular pressure-lowering medications and/or prior glaucoma surgery are acceptable (Note: combination medications, e.g., Combigan, are counted as two IOP-lowering medications);
7. Media clarity and pupillary dilation sufficient to allow OCT testing and assessment of the fundus.
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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
Exclusion criteria:
Patient level exclusion criteria
1. History of infectious uveitis in either eye;
2. History of infectious scleritis of any type in either eye (Note: History of noninfectious scleritis that has been active in past 12 months is an eye-level exclusion -see #13 below);
3. History of keratitis (with the exception of keratitis due to dry eye) in either eye;
4. History of central serous retinopathy in either eye;
5. Active infectious conjunctivitis in either eye;
6. Oral prednisone dose > 10 mg per day (or of an alternative corticosteroid at a dose higher than that equipotent to prednisone 10 mg per day) OR oral prednisone dose = 10 mg per day at baseline that has not been stable for at least 4 weeks (note: if patient is off of oral prednisone at baseline (M01 study visit) dose stability requirement for past 4 weeks does not apply);
7. Systemic immunosuppressive drug therapy that has not been stable for at least 4 weeks (note: use of systemic methotrexate is acceptable as long as regimen has been stable for at least 4 weeks);
8. Use of oral acetazolamide or other systemic carbonic anhydrase inhibitor at baseline;
9. Known allergy or hypersensitivity to any component of the study drugs;
10. For women of childbearing potential: pregnancy, breastfeeding, or a positive pregnancy test; unwilling to practice an adequate birth control method (abstinence, combination barrier and spermicide, or hormonal) for duration of trial;
Eye level exclusion criteria - at least one eye that meets all inclusion criteria cannot have any of the following conditions
11. History of infectious endophthalmitis;
12. History of severe glaucoma as defined by optic nerve damage (cup/disc ratio of = 0.9 or any notching of optic nerve to the rim);
13. History of active noninfectious scleritis in past 12 months (Note: History of noninfectious scleritis is acceptable if the last episode of active scleritis resolved at least 12 months prior to enrollment);
14. Presence of an epiretinal membrane noted clinically or by OCT that per the judgment of study ophthalmologist may be significant enough to limit improvement of ME (i.e., causing substantial wrinkling of the retinal surface);
15. Torn or ruptured posterior lens capsule
16. Presence of silicone oil;
17. Ozurdex administered in past 12 weeks;
18. Anti-vascular endothelial growth factor (VEGF) agent, intravitreal methotrexate, or intravitreal/periocular corticosteroid administered in past 4 weeks;
19. Fluocinolone acetonide implant (Retisert) placed in past 3 years.
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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 assessing the outcomes
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 3
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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
9/03/2017
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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
2/02/2022
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Sample size
Target
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Accrual to date
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Final
194
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Recruitment in Australia
Recruitment state(s)
VIC
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Recruitment hospital [1]
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Royal Victorian Eye and Ear Hospital - East Melbourne
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Recruitment postcode(s) [1]
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- East Melbourne
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Recruitment outside Australia
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United States of America
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California
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Florida
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Georgia
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Illinois
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Iowa
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United States of America
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Kentucky
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Maryland
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Massachusetts
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Michigan
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North Carolina
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Pennsylvania
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Tennessee
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Texas
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Utah
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Canada
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Quebec
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India
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Odisha
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India
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Tamil Nadu
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India
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Telangana
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India
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Chandigarh
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United Kingdom
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England
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United Kingdom
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Birmingham
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United Kingdom
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London
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Funding & Sponsors
Primary sponsor type
Other
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Name
JHSPH Center for Clinical Trials
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Address
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Other collaborator category [1]
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Government body
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Name [1]
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National Eye Institute (NEI)
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Ethics approval
Ethics application status
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Summary
Brief summary
The Macular Edema Ranibizumab v. Intravitreal anti-inflammatory Therapy (MERIT) Trial will compare the relative efficacy and safety of intravitreal methotrexate, intravitreal ranibizumab, and the intravitreal dexamethasone implant for the treatment of uveitic macular edema persisting or reoccurring after an intravitreal corticosteroid injection. MERIT is a parallel design (1:1:1), randomized comparative trial with an anniversary close-out after 6 months of follow-up. The primary outcome is percent change in central subfield thickness from the baseline OCT measurement to the 12 week visit.
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Trial website
https://clinicaltrials.gov/study/NCT02623426
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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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Douglas A Jabs, MD, MBA
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Address
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Center for Clinical Trials and Evidence Synthesis, JHU, Baltimore, MD
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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
Study Protocol and Statistical Analysis Plan
https://cdn.clinicaltrials.gov/large-docs/26/NCT02623426/Prot_SAP_000.pdf
Statistical analysis plan
Study Protocol and Statistical Analysis Plan
https://cdn.clinicaltrials.gov/large-docs/26/NCT02623426/Prot_SAP_000.pdf
Informed consent form
https://cdn.clinicaltrials.gov/large-docs/26/NCT02623426/ICF_001.pdf
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT02623426
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