E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Hereditary hemochromatosis |
Erfelijke hemochromatose |
|
E.1.1.1 | Medical condition in easily understood language |
Hereditary iron reaccumulation |
Erfelijke ijzerstapeling |
|
E.1.1.2 | Therapeutic area | Diseases [C] - Nutritional and Metabolic Diseases [C18] |
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 |
The difference between the number of phlebotomies (expressed as standardized units 500ml-per year) for the group taking ppi treatment compared to the group taking placebo |
Wat is het verschil in aantal aderlatingen bij patienten met herediataire hemochromatose die behandeld worden met ppi in vergelijking met placebo? |
|
E.2.2 | Secondary objectives of the trial |
To determine quality of life (questionnaires), cost effectiveness (QUALY), patient compliance/ satisfaction, side effects due to phlebotomies and ppi. |
Wat is de kwaliteit van leven? Wat is de kosteneffectiviteit bij het gebruik van ppi in de behandeling bij patienten met hemochromatose? Wat is de patienttevredenheid/ compliance? Wat zijn de bijwerkingen bij het gebruik van ppi. |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
Patient with hereditairy hemochromatosis, homozygous for c282Y currently treated with phlebotomy as maintenance therapy for at least 12 months with >/= phlebotomies per year.
Ferritin level between 50-100 ug/l at start of inclusion.
Age 18-75 years
Weight > 50kg |
Patienten met erfelijke hemochromatose, homozygoot voor c282Y die momenteel met flebotomie als onderhoudstherapie worden behandeld voor minimaal 12 maanden met >/= 3 flebotomien per jaar.
Op moment van inclusie ferritine tussen 50-100 ug/l
Leeftijd 18-75 jaar
Gewicht > 50kg |
|
E.4 | Principal exclusion criteria |
Patients receiving other therapies such as chelating therapy or forced diet
Obesitas (BMI > 35)
Patients who are mentally incapacitated
pregnancy; women expecting / planning to become pregnant during the study period.
Patients with a malignancy
Patients already on ppi treatment
patients experienced side effects ppi. |
Patienten welke een alternatieve behandeling ontvangen zoals chelatie of een geforceerd dieet.
Obesitas (BMI > 35)
Wilsonbekwame patienten
Zwangerschap; te verwachten of geplande zwangerschap ten tijde van studieduur
patienten met een maligniteit
Patienten die reeds een ppi gebruiken.
Patienten die bijwerkingen van een ppi rapporteerden |
|
E.5 End points |
E.5.1 | Primary end point(s) |
Number of phleobotomies (expresses as standardized units-500ml-per year) |
Aantal aderlatingen (uitgedrukt in gestandaardiseerde eenheden van 500ml per jaar) |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
After 12 months |
Na 12 maanden |
|
E.5.2 | Secondary end point(s) |
To determine quality of life (questionnaires), cost effectiveness (QUALY), patient compliance/ satisfaction, side effects due to phlebotomies and ppi. |
Wat is de kwaliteit van leven? Wat is de kosteneffectiviteit bij het gebruik van ppi in de behandeling bij patienten met hemochromatose? Wat is de patienttevredenheid/ compliance? Wat zijn de bijwerkingen bij het gebruik van ppi. |
|
E.5.2.1 | Timepoint(s) of evaluation of this end point |
After 12 months |
Na 12 maanden |
|
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 | No |
E.6.5 | Efficacy | No |
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) | No |
E.7.4 | Therapeutic use (Phase IV) | Yes |
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 | 2 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 2 |
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
|
|
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 | |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial years | 2 |