E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Charcot-Marie-Tooth disease type 1A |
maladie de CharcOt-Marie-Tooth de type 1A |
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E.1.1.1 | Medical condition in easily understood language |
Charcot-Marie-Tooth disease type 1A |
maladie de CharcOt-Marie-Tooth de type 1A |
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E.1.1.2 | Therapeutic area | Diseases [C] - Nervous System Diseases [C10] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 18.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10008414 |
E.1.2 | Term | Charcot-Marie-Tooth disease |
E.1.2 | System Organ Class | 100000004850 |
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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 evaluate the biological effect of ulipristal acetate, a selective modulator of the progesterone receptor in CMT1A in humans, on the mRNA expression of the PMP22 in a skin biopsy.
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Evaluer l’effet biologique de l’acétate d’ulipristal, un modulateur sélectif des récepteurs à la progestérone, dans le CMT1A chez l’homme, sur l’expression de l’ARNm de la PMP22 dans une biopsie cutanée.
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E.2.2 | Secondary objectives of the trial |
- To evaluate the clinical efficacy of ulipristal acetate - To assess the biological effect of ulipristal acetate on serum markers of oxidative stress and in skin biopsies - Evaluate the clinical and biological tolerance - Assess the neurophysiological effects of ulipristal acetate - To evaluate the pharmacokinetics of ulipristal acetate |
- Evaluer l’efficacité clinique de l’acétate d’ulipristal - Evaluer l’effet biologique de l’acétate d’ulipristal sur des marqueurs du stress oxydant sériques et dans les biopsies de peau - Evaluer la tolérance clinique et biologique - Evaluer l’effet neurophysiologique de l’acétate d’ulipristal - Evaluer la pharmacocinétique de de l’acétate d’ulipristal |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
Male from 18 to 70 years Signed informed consent CMT1A proven genetically (17p11.2 duplication) and symptomatic Non-severe axonal damage Belong to a social security scheme subject Having been informed about the results of the medical examination prior enrollment Subject contacted with a valid phone number agree to use with a double partner effective method of contraception at least one barrier for the duration of the study and during the 2 weeks following the end of treatment |
Homme de 18 à 70 ans Consentement éclairé signé CMT1A prouvé génétiquement (duplication 17p11.2) et symptomatique Atteinte axonale non sévère Sujet affilié à un régime de sécurité sociale Sujet ayant été informé des résultats de la visite médicale préalable Sujet joignable avec un numéro de téléphone valide accepter d’utiliser avec la partenaire une méthode double de contraception efficace dont au moins une barrière pendant toute la durée de l’étude et pendant les 2 semaines qui suivent la fin du traitement
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E.4 | Principal exclusion criteria |
Major protected by law, under guardianship • Hypersensitivity to the active substance / excipient • Another cause of neuropathy: Chronic alcohol intoxication, chemotherapy, diabetes, kidney failure, monoclonal gammopathy, cryoglobulins, B12 deficiency, hepatitis B / C, HIV, Lyme or poliomyelitis • Hepatic and renal impairment • Lapp lactase deficiency, malabsoprtion syndrome glucose / galactose • Decision-going drug / plant interacting with CYP3A4 and / or inhibitor of proton pump • History of hypersensitivity to any product or device that can be used before, during and after the biopsy; • In the biopsy site: surgery, skin disease or local infection • Immunosuppression innate or acquired • Malfunction of the innate or acquired coagulation • a recognized addiction of alcoholism or drug addiction; • known healing disorders: keloids or delay healing. • biological control of active viral disease such as positive serology for HIV, hepatitis B or C ... (withdrawals made prior to inclusion); |
• Majeurs protégés par la loi, sous tutelle ou curatelle • Hypersensibilité à la substance active/excipient • Autre cause de neuropathie : intoxication éthylique chronique, chimiothérapie, diabète, insuffisance rénale, gammapathie monoclonale, cryoglobuline, déficit en B12, hépatite B/C, VIH, Lyme ou poliomyelite • Insuffisance hépatique et rénale • Déficit en Lapp lactase, syndrome de malabsoprtion glucose/galactose • Prise au long cours de médicament/plante interagissant avec le CYP3A4 et/ou d’inhibiteur de la pompe à protons • Antécédents d’hypersensibilité à tout produit ou dispositif susceptible d’être utilisé avant, pendant et après la biopsie ; • Au site de biopsie : intervention chirurgicale, maladie de peau ou infection locale • Immunosuppression innée ou acquise • Anomalie de la coagulation innée ou acquise • une addiction reconnue d’éthylisme ou de toxicomanie ; • des troubles connus de la cicatrisation : chéloïdes ou retard à la cicatrisation. • des témoins biologiques d’une affection virale évolutive telle que des sérologies positives pour le VIH, l’hépatite B ou C… (prélèvements réalisés avant inclusion) ;
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E.5 End points |
E.5.1 | Primary end point(s) |
measure in skin biopsy the variation of mRNA expression of PMP22 after 1 year of treatment with ulipristal acetate. |
Mesure dans une biopsie cutanée la variation d’expression de l’ARNm de la PMP22 après 1 an de traitement par acétate d’ulipristal. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
one year after randomization |
un an après le début du traitement |
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E.5.2 | Secondary end point(s) |
1. production of markers of oxidative stress in skin biopsy 2. clinical efficacy as measured by the QMT (Quantified Muscular Testing), the CMTNS2 (Charcot-Marie-Tooth Neuropathy Score Version 2), the T10MW (Ten-meter timed walking), the 9NHPT (Nine-hole peg test) the ONLS (Overall Neuropathy Limitations Scales), EVA (analogue rating Scale) pain / fatigue and quality of life (SF36). 3. the biological effectiveness measured by serum samples in search of markers of oxidative stress. 4. clinical and biological tolerance. |
1. la production de marqueurs du stress oxydant dans la biopsie de peau 2. l’efficacité clinique mesurée par le QMT (Quantified Muscular Testing), le CMTNS2 (Charcot-Marie-Tooth Neuropathy Score version 2), le T10MW (Ten-meter timed walking), le 9NHPT (Nine-hole peg test), l’ONLS (Overall Neuropathy Limitations Scales), les EVA (Echelle d’évaluation analogique) douleur/fatigue et la qualité de vie (SF36). 3. l’efficacité biologique mesurée par des prélevements sériques à la recherche des marqueurs du stress oxydant. 4. la tolérance clinique et biologique .
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Clinical evaluations will be conducted during the screening visit, randomization and repeated at 1, 3, 6, 9, 12 and 13 months after randomization. |
Les évaluations cliniques seront réalisées pendant la visite de screening, de randomisation et répétées à 1, 3, 6, 9, 12 et 13 mois après randomisation. |
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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 | Yes |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | Yes |
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) | 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 | 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 | 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) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 3 |
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 | 5 |
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 | 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
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LVLS |
dernière visite du dernier patient |
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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 | |
E.8.9.1 | In the Member State concerned months | |
E.8.9.1 | In the Member State concerned days | |