E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Central retinal artery occlusion |
|
E.1.1.1 | Medical condition in easily understood language |
Central retinal artery occlusion (CRAO) is an ophthalmologic emergency
that, without prompt revascularization, bears high risk of permanent
blindness |
|
E.1.1.2 | Therapeutic area | Diseases [C] - Eye Diseases [C11] |
MedDRA Classification |
E.1.3 | Condition being studied is a rare disease | Yes |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To assess the effect of systemic tenecteplase within 4.5 hours onset of
CRAO. |
|
E.2.2 | Secondary objectives of the trial |
1. To assess the mean improvement in logMAR visual acuity from
baseline to 6 weeks after treatment
2. To assess the effect of systemic tenecteplase within 3 hours onset of
CRAO in a large international multi-site trial
3. To assess the mean deviation (dB) in central 30º visual field on
threshold perimetry 6 weeks after treatment
4. To assess the proportion of patients with complications such as
systemic bleeding
5. To assess the proportion of patients with symptomatic intracranial
haemorrhage at 24 hours
6. To assess the mean score on National Eye Institute Visual Function
Questionnaire (NEI-VFQ 25) at 6 weeks (1)
7. To assess the case fatality at 24 hours and 6 weeks
To assess the safety of systemic tenecteplase within 4.5 hours onset of
CRAO. |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Non-arteritic central retinal artery occlusion with ≥ 1.0 logMAR visual acuity and symptoms lasting less than 4.5 hours.
2. Ability to administer the Investigator Medicinal Product (IMP) within 4.5 hours of symptom onset.
3. Age ≥18 years.
4. Informed written consent of the patient.
5. A woman of childbearing potential (WOCBP) must confirm that in her opinion, she cannot be pregnant, OR if there is a possibility that she is pregnant, a negative pregnancy test must be confirmed before any IMP is given.
|
|
E.4 | Principal exclusion criteria |
1. No other active intervention targeting CRAO.
2. Branch retinal artery occlusion, cilioretinal artery supplying the macula, combined arterial-venous occlusion, proliferative diabetic retinopathy, elevated intraocular pressure (> 30 mmHg) or clinical suspicion of ophthalmic artery occlusion occlusion (e.g. choroidal nonperfusion, absence of cherry red spot, no light perception).
3. Systemic diseases; severe general diseases, systemic arterial hypertension (blood pressure >185/110 mmHg), despite medical therapy, or clinical suspicion of acute systemic inflammation.
4. Presence of intracranial haemorrhage on brain MRI/CT.
5. Medical history: heart attack within the last 6 weeks, intracerebral bleeding or neurosurgical operation within the last 4 weeks, therapy with anticoagulation, allergic reaction to contrast agent, hemorrhagic diathesis, aneurysms, inflammatory vascular diseases (eg, giant cell arteritis, granulomatosis with polyangitis), endocarditis, or gastric ulcer.
6. No willingness and ability of the patient to participate in all followup examinations.
7. Pregnancy (if suspicion of pregnancy s-hCG or u-hCG must be negative).
8. Allergy or intolerance to any ingredients of IMP or placebo or gentamicin.
9. Other conditions / circumstances likely to lead to poor treatment adherence (eg, history of poor compliance, alcohol or drug dependency, no fixed abode).
10. Significant bleeding disorder either at present or within the past 6 months.
11. Effective oral anticoagulant treatment, eg, warfarin sodium (INR >1.3).
12. Effective anticoagulant treatment with heparin or low molecular weight heparin the last 48 hours.
13. Any history of central nervous system damage (ie, neoplasm, aneurysm, intracranial or spinal surgery).
14. Known hemorrhagic diathesis.
15. Major surgery, biopsy of a parenchymal organ, or significant trauma within the past 2 months (this includes any trauma associated with acute myocardial infarction).
16. Recent non-compressible vessel puncture within 2 weeks.
17. Recent trauma to the head or cranium.
18. Prolonged cardiopulmonary resuscitation (>2 minutes) within the past 2 weeks.
19. Acute pericarditis and/or subacute bacterial endocarditis.
20. Acute pancreatitis.
21. Severe hepatic dysfunction, including hepatic failure, cirrhosis, portal hypertension (oesophageal varices) and active hepatitis.
22. Active peptic ulceration.
23. Arterial aneurysm and known arterial/venous malformation.
24. Neoplasm with increased bleeding risk.
25. Any known history of hemorrhagic stroke or stroke of unknown origin.
26. Known history of ischemic stroke or transient ischemic attack in the preceding 3 months.
27. Dementia. |
|
E.5 End points |
E.5.1 | Primary end point(s) |
Proportion of patients with ≤ 0.7 logMAR visual acuity in the affected eye at 30 (±5) days after treatment, intention-to-treat (ITT) analysis. |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
30 days (±5 days) after treatment |
|
E.5.2 | Secondary end point(s) |
1. Proportion of patients with ≤ 0.5 logMAR visual acuity in the affected eye at 30 (±5) and 90 (±15) days.
2. Mean improvement in logMAR visual acuity in the affected eye from baseline to 30 (±5) and 90 (±15) days.
3. Proportion of patients with visual recovery (logMAR ≤ 0.7) and (logMAR ≤ 0.5) in the affected eye 30 (±5) and 90 (±15) days in patients who were treated with tenecteplase within 3 hours of onset.
4. Number of test points seen (of 100) on monocular Esterman perimetry at 30 (±5) and 90 (±15) days.
5. Acute ischemic lesions on follow-up diffusion-weighted (DWI) MRI or on brain CT at baseline and 24hrs.
6. National Institutes of Health Stroke Scale score (NIHSS) at 24hrs and discharge.
7. Modified Rankin Scale score (mRS) at discharge, 30 (±5) and 90 (±15) days.
8. Mean score on National Eye Institute Visual Function Questionnaire (NEI-VFQ 25) at 30 days (±5) and 90 (±15) days)(1).
9. Mean score on EQ-5D at 30 (±5) and 90 (±15) days.
10. Presence of ocular neovascularisation at at 30 (±5) and 90 (±15) days.
Safety endpoints:
1. All-cause and stroke-related death at discharge, 30 (±5) and 90 (±15) days after treatment.
2. Proportion of patients with any intracranial hemorrhage at 24 hrs.
3. Proportion of patients with symptomatic intracranial haemorrhage until discharge.
4. Proportion of patients with complications such as systemic bleeding at 24 hrs, discharge, 30 (±5) and 90 (±15) days.
5. Proportion of patients with serious adverse events other than intracranial haemorrhage.
6. Proportion of patients with adverse events.
Exploratory:
1. Retrobulbar spot sign detection using Duplex/Doppler ultrasound at baseline.
2. Retrobulbar spot sign and central retinal artery recanalisation using Duplex/Doppler ultrasound at 24hrs and discharge.
3. Macular optical coherence tomography (OCT) volume scans and macular OCT angiography (OCT-A) at 30 (±5) and 90 (±15) days.
|
|
E.5.2.1 | Timepoint(s) of evaluation of this end point |
24 hours
Discharge
30 days
90 days |
|
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 | Yes |
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) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | Yes |
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 | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | No |
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 | Yes |
E.8.2.3 | Other | No |
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
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 4 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 30 |
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 | Yes |
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
|
|
E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 4 |
E.8.9.1 | In the Member State concerned months | 2 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 4 |
E.8.9.2 | In all countries concerned by the trial months | 0 |
E.8.9.2 | In all countries concerned by the trial days | 0 |