β-thalassemia Intermedia
Conditions
Brief summary
The aim of the trial is to study the effect of apotransferrin administration in patients suffering from β-thalassemia intermedia in order to restore the erythropoiesis as reflected by enhanced haemoglobin levels or reduced transfusion dependency.
Interventions
Intravenous infusions
Sponsors
Study design
Eligibility
Inclusion criteria
* Non-transfusion dependent β-thalassemia intermedia, defined as patients with microcytic anaemia in combination with an elevated HbA2 (\>2.5%) and a haemoglobin of \<6.2 mmol/L, or transfusion dependent β-thalassemia treated with a regular transfusion schedule. * Age above≥ 17 years. * Adequate renal and hepatic function tests * WHO performance 0, 1 or 2. * Signed informed consent.
Exclusion criteria
* Known with allergic reactions against human plasma or plasma products. * Concurrent severe and/or uncontrolled medical condition (e.g. uncontrolled diabetes, infection, hypertension, pulmonary disease). * Cardiac dysfunction as defined by: myocardial infarction within the last 6 months of study entry, unstable angina, or unstable cardiac arrhythmias. * Pregnant or lactating females. * Known with IgA deficiency with anti-IgA antibodies
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Erythropoiesis | 17 weeks | Change of haemoglobin level and/or or change of number of RBC units transfused/week |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Change from baseline in change plasma levels of advanced glycation end products | 17 weeks | — |
| Change in spleen size | at baseline and at 16 weeks | — |
| Change from baseline in reticulocyte count | 17 weeks | — |
| Change from baseline in erythropoietin levels | 17 weeks | — |
| Ctrough | predose and postdose 5 minutes, 2 hours and 1, 4, 7, 14 days | Ctrough calculated from serum transferrin levels |
| Change from baseline in serum iron | 17 weeks | — |
| tmax | predose and postdose 5 minutes, 2 hours and 1, 4, 7, 14 days | tmax calculated from serum transferrin levels |
| Cmax | predose and postdose 5 minutes, 2 hours and 1, 4, 7, 14 days | Cmax calculated from serum transferrin levels |
| AUCτ | predose and postdose 5 minutes, 2 hours and 1, 4, 7, 14 days | AUCτ calculated from serum transferrin levels |
| Adverse events | 17 weeks | Number of adverse events |
| Cmin | predose and postdose 5 minutes, 2 hours and 1, 4, 7, 14 days | Cmin calculated from serum transferrin levels |
Countries
Netherlands