E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
iron overload in sickle cell disease or other anemias |
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E.1.1.1 | Medical condition in easily understood language |
iron overload in sickle cell disease or other anemias |
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E.1.1.2 | Therapeutic area | Diseases [C] - Blood and lymphatic diseases [C15] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | SOC |
E.1.2 | Classification code | 10005329 |
E.1.2 | Term | Blood and lymphatic system disorders |
E.1.2 | System Organ Class | 10005329 - Blood and lymphatic system disorders |
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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 determine the efficacy of deferiprone vs. deferoxamine in the treatment of iron overload in patients with sickle cell disease or other anemias. |
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E.2.2 | Secondary objectives of the trial |
To evaluate the effect of deferiprone vs. deferoxamine on the patients’ quality of life;
To evaluate the safety and tolerability of deferiprone vs. deferoxamine
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1.Male or female ≥ 2 years of age;
2.Have sickle cell disease (confirmed by Hb electrophoresis or more specific tests) or other conditions with iron overload from repeated blood transfusions (see exclusion criteria for exceptions);
3.Baseline LIC >7 mg/g dw (measured by MRI);
4.Patients who have received no less than 20 transfusions of RBCs;
5.Patients who have received at least 1 transfusion per year in the last 2 years and who are expected to have a continuing requirement (based on Investigator’s judgement) during the duration of the trial |
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E.4 | Principal exclusion criteria |
1.Thalassemia syndromes;
2.Myelodysplastic syndrome (MDS) or myelofibrosis;
3.Diamond Blackfan anemia;
4.Primary bone marrow failure;
5.Patients with a baseline LIC >30 mg/g dw (measured by MRI);
6.Unable or unwilling to undergo a 7-day washout period if currently being treated with deferiprone or deferoxamine or deferasirox;
7.Previous discontinuation of treatment with deferiprone or deferoxamine due to adverse events;
8.History or presence of hypersensitivity or idiosyncratic reaction to deferiprone or deferoxamine;
9.Treated with hydroxyurea within 30 days;
10.History of malignancy;
11.Evidence of abnormal liver function (serum ALT level(s) > 5 times upper limit of normal at screening or creatinine levels >2 times upper limit of normal at screening);
12.A serious, unstable illness, as judged by the Investigator, during the past 3 months before screening/baseline visit including but not limited to: hepatic, renal, gastro-enterologic, respiratory, cardiovascular, endocrinologic, neurologic or immunologic disease;
13.Clinically significant abnormal 12-lead ECG findings;
14.Cardiac MRI T2* <10 ms
15.Unable to undergo MRI
16.Presence of metallic objects such as artificial joints, inner ear (cochlear) implants, brain aneurysm clips, pacemakers, and metallic foreign bodies in the eye or other body areas that would prevent use of MRI imaging |
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E.5 End points |
E.5.1 | Primary end point(s) |
The change from baseline to Week 52 in liver iron concentration (measured by MRI). |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
MRI scans will be performed at the screening/baseline, Week 26, and Week 52 (or early termination) visits |
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E.5.2 | Secondary end point(s) |
1. Change from baseline to Week 52 in patient-reported quality of life (SF-36 or Child Health Questionnaire);
2. Change from baseline to Week 52 in cardiac MRI T2*;
3. Change from baseline to Week 52 in serum ferritin.
Safety Endpoints:
1. Frequency, severity and time to onset/duration of adverse events (AEs);
2. Frequency of serious adverse events (SAEs);
3. Discontinuation due to AEs;
4. Hematology assessments;
5. Blood clinical biochemistry assessments;
6. 12-lead ECG.
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
The SF-36 Questionnaire will be completed by patients aged 18 years old and above at the baseline, Week 26 and Week 52 (or early termination),Child Health Questionnaire-Parent Form 50 (CHQ-PF50) and the Child Health Questionnaire Child Form 87 (CHQ-CF87)will be completed for patients aged 17 years and under at the baseline, Week 26, and Week 52 (or early termination);MRI scans for the assessment of cardiac MRI T2*: at the screening/baseline, Week 26, and Week 52 (or early termination);Serum ferritin: at baseline and at the Weeks 12, 26, 40 and 52 (or early termination);Hematology assessments:at screening/baseline, weekly until Week 26, and then biweekly until Week 52 (or early termination);Chemistry assessments: at screening/baseline visit and monthly up to Week 52(or early termination). |
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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 | 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 | Yes |
E.6.13.1 | Other scope of the trial description |
Blood sample taken at baseline for genetic polymorphism of agranulocytosis (optional) |
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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 | 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) | Yes |
E.8.2.2 | Placebo | No |
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 | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
Brazil |
Canada |
Egypt |
Saudi Arabia |
United Kingdom |
United States |
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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
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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 | 2 |
E.8.9.1 | In the Member State concerned months | 4 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 2 |
E.8.9.2 | In all countries concerned by the trial months | 4 |
E.8.9.2 | In all countries concerned by the trial days | 0 |