E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
prolipherative diabetic retinopathy |
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E.1.1.1 | Medical condition in easily understood language |
advanced retinal changes by patients wits diabetes |
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E.1.1.2 | Therapeutic area | Diseases [C] - Eye Diseases [C11] |
MedDRA Classification |
E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To assess efficacy of aflibercept for intravitreal injection in comparison to laser treatment in subjects with prolipherative diabetic retinopathy (PDR) |
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E.2.2 | Secondary objectives of the trial |
a) To evaluate changes of electroretinography (ERG) in subjects treated with aflibercept for intravitreal injection in comparison to laser treatment in subjects with prolipherative diabetic retinopathy (PDR)
b) To evaluate the changes of contrast sensitivity (CS) in subjects treated with aflibercept for intravitreal injection in comparison to laser treatment in subjects with prolipherative diabetic retinopathy (PDR)
c) To evaluate patient reported outcomes by NEI VFQ-25 changes from baseline to week 52 in subjects treated with aflibercept for intravitreal injection in comparison to laser treatment in subjects with prolipherative diabetic retinopathy (PDR)
d) To evaluate other efficacy and safety endpoints for aflibercept for intravitreal injection in comparison to laser treatment in subjects with prolipherative diabetic retinopathy (PDR)
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Adults ≥ 18 years with type 1 or 2 diabetes mellitus.
2. Subjects with PDR secondary to diabetes mellitus ( confirmed on fluorescein angiography FA)
3. BCVA ETDRS letter score of 20/20 to 20/320 in the study eye
4. Willing and able to comply with clinic visits and study-related procedures.
5. Provide a signed informed consent form (ICF)
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E.4 | Principal exclusion criteria |
A subject who meets any of the following criteria will be excluded from the study.
1. Decrease in vision determined to be primarily the result of DME in the study eye
2. Laser quadrant or panretinal photocoagulation in the study eye
3. Previous treatment with anti-antiangiogenic drugs in study eye (pegaptanib sodium, bevacizumab, ranibizumab etc.) within 90 days of Baseline visit
4. Proliferative diabetic retinopathy in the study eye, with the inactive, regressed vessels
5. Any intraocular surgery within 28 days of Baseline visit in the study eye
6. Presence of tractional or rhegmatogenous retinal detachment in the study eye
7. Any active ocular or/and periocular inflammation or infection in the study eye at Screening or Baseline visits
8. Intraocular pressure (IOP) ≥ 30 mmHg in the study eye at Screening or Baseline visits
9. Concurrent disease in the study eye, other than PDR, that could require medical or surgical intervention during the study period, or could confound interpretation of the results (including retinal vascular occlusion, retinal detachment, macular hole, or choroidal neovascularization of any cause)
10. Ocular media of insufficient quality to obtain fundus images and ERG (e.g., cataract, corneal opacity, severe vitreous haemorrhage)
11. Uncontrolled blood pressure defined as systolic value of >160 mmHg or diastolic value >100 mmHg eye at Screening or Baseline visits
12. Stroke or and/or myocardial infarction less than 3 months prior to Baseline visit
13. Pregnant or breast-feeding women.
14. Hypersensitivity to aflibercept or to fluorescein
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E.5 End points |
E.5.1 | Primary end point(s) |
Efficacy of therapy will be assessed by the change of ETDRS Diabetic Retinopathy Severity Score for proliferative diabetic retinopathy.
Disease Severity Level Derivation from ETDRS Levels
Subjects in each arm will be divided in three groups according to their ETDRS Score Level at Week 52 compared to Baseline ETDRS Score Level:
Group 1: worsening of ETDRS Score Level
Group 2: maintaining the same ETDRS Score Level
Group 3: improvement of ETDRS Score Level
Number and percentage of subjects in each group in both arms will be determined.
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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E.5.2 | Secondary end point(s) |
a) Changes in ERG parameters (ROD b-wave amplitude, dark-adapted Combined Response (CR) b-wave amplitude, CR a-wave, oscillatory potentials, cone single flash, and 30 Hz flicker responses) from Baseline to Week 52
b) Changes of Contrast Sensitivity Score from Baseline to Week 52 using Pelli –Robson charts.
c) Changes in Patient Reported Outcomes using NEI VFQ-25 subscale from Baseline to Week 52. Standard National Eye Institute Visual Function Questionnaire-25 in Czech language.
d) Change of intraocular pressure from Baseline to Week 52.
e) Presence of iris neovascularisation at Week 52 compared to Baseline.
f) Number of patients who needed rescue therapy due to progression of PDR regardless given treatment during the study.
g) Proportion of subjects with stabilisation of PDR at Week 52 compared to Baseline as measured by ETDRS Severity Score based on the level of diabetes control
h) Change of retinal and optic nerve disc neovascularisations size from Baseline to Week 52.
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | Yes |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | Yes |
E.8.2.3.1 | Comparator description |
laserové fotokogulace |
laserphotocoagulation |
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E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| Yes |
E.8.4 | The trial involves multiple sites in the Member State concerned | No |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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Study subject has the right to withdraw from the study at any time for any reason without prejudice to his/her future medical care by the physician or institution.
The sponsor and/or investigator maintain the right to withdraw a subject from the study in the event of adverse events, treatment failure, protocol violation, or other reasons.
A subject must be withdrawn from the study if his/her further participation in the study is no further in the best interest of the subject. |
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | |
E.8.9.1 | In the Member State concerned months | |
E.8.9.1 | In the Member State concerned days | |