E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Friedreich's ataxia (FRDA) is the most common autosomal recessive neurodegenerativ disease (1:50 000) affecting the central and peripheral nervous system. Extraneural organs are also affected during the course of the disease as a significant proportian of patients develop cardiomyopathy or diabetes. FRDA is caused by a GAA triplet expansion in the FRDA gene on chromosome 9q13 resulting in a loss of function of the gene product Frataxin. |
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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 |
Aims of the proposed study 1) to investigate morphological and biochemical parameters of skeletal mus-cle systematically, to identify hematopoietic progenitor cells (CD34, CD133) as well as to measure baseline Frataxin expression in skeletal muscle (specimen) of FRDA patients. 2) to measure numbers of circulating CD34 and CD133 hematopoietic progenitor cells in peripheral blood of FRDA patients in response to rhuEPO treatment; 3) to study effects of rhuEPO treatment on Frataxin expression, numbers of CD34 and CD133 hematopoietic progenitor cells, satellite cells, capillary density and respiratory chain complex activi-ties of skeletal muscle tissue obtained by re-biopsy. 4) to identify changes in muscle energy metabolism (in-vivo marker) in skeletal muscle of rhuEPO treated FRDA patients applying magnetic resonance spectros-copy at baseline and study endpoint. |
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E.2.2 | Secondary objectives of the trial | |
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
Seven adult subjects with definite FRDA will be enroled in this study. Skeletal muscle will be ob-tained by an open biopsy from at baseline (untreated) and after 2 months of rhuEPO treatment after written informed consent. Treatment encompasses rhuEPO 3.000 IU (~100 IU/kg KG) three times weekly subcutaneously for 8 weeks. Specimen from the quadriceps muscle and MR spec-troscopy from the contralateral side will be obtained pre- and post rhuEPO treatment. Frataxin-levels will be assessed in lymphocytes and muscle specimen at baseline and study end-point. Fur-thermore, FACS analysis of circulating CD34+ and CD133+ cells in peripheral blood will be perfo-med bi-weekly. The numbers of CD34+ and CD133+ cells and capillary density per mm2 will be quantified in skeletal muscle at baseline and after 8 weeks EPO treatment. Biochemically, complex I, II, and III of the respiratory chain in the quadriceps muscle will be evaluated pre-and post treat-ment. |
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E.4 | Principal exclusion criteria |
Exclusion criteria for participation in this study are hemoglobin-levels above 14mg/dl at the begin-ning of the study, malignancies, thrombocytosis, other diseases like chronic inflammatory disease, chronic alcohol abuse, severe diabetes mellitus type I and II (HbA1c above 8%), chronic liver in-sufficiency, epilepsy, cardiac insufficiency (NYHA above 2), history of thrombotic / thromboembolic events, anticoagulation, pregnancy and breast feeding, iron deficiency, vitamin B12 and folate de-ficiency, cardiovascular diseases, severe psychiatric disorders, known hypersensitivity to erythro-poietin, participation to another clinical trial. |
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E.5 End points |
E.5.1 | Primary end point(s) |
1) to investigate morphological and biochemical parameters of skeletal muscle systematically, to identify hematopoietic progenitor cells (CD34, CD133) as well as to measure baseline Frataxin expression in skeletal muscle (specimen) of FRDA patients. 2) to measure numbers of circulating CD34 and CD133 hematopoietic progenitor cells in peripheral blood of FRDA patients in response to rhuEPO treatment; 3) to study effects of rhuEPO treatment on Frataxin expression, numbers of CD34 and CD133 hematopoietic progenitor cells, satellite cells, capillary density and respiratory chain complex activities of skeletal muscle tissue obtained by re-biopsy. 4) to identify changes in muscle energy metabolism (in-vivo marker) in skeletal muscle of rhuEPO treated FRDA patients applying magnetic resonance spectroscopy at baseline and study endpoint. |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | Information not present in EudraCT |
E.6.2 | Prophylaxis | Information not present in EudraCT |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Information not present in EudraCT |
E.6.7 | Pharmacodynamic | Information not present in EudraCT |
E.6.8 | Bioequivalence | Information not present in EudraCT |
E.6.9 | Dose response | Information not present in EudraCT |
E.6.10 | Pharmacogenetic | Information not present in EudraCT |
E.6.11 | Pharmacogenomic | Information not present in EudraCT |
E.6.12 | Pharmacoeconomic | Information not present in EudraCT |
E.6.13 | Others | Information not present in EudraCT |
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 | No |
E.8.1.1 | Randomised | No |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
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) | Information not present in EudraCT |
E.8.2.2 | Placebo | Information not present in EudraCT |
E.8.2.3 | Other | Information not present in EudraCT |
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.8.4.1 | Number of sites anticipated in Member State concerned | 1 |
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 | Information not present in EudraCT |
E.8.7 | Trial has a data monitoring committee | Information not present in EudraCT |
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 | 1 |
E.8.9.1 | In the Member State concerned months | 0 |
E.8.9.1 | In the Member State concerned days | 0 |