E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Dermatomyositis |
Dermatomyosite |
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E.1.1.1 | Medical condition in easily understood language |
Dermatomyositis is an uncommon inflammatory disease marked by muscle weakness and a distinctive skin rash. |
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E.1.1.2 | Therapeutic area | Diseases [C] - Skin and Connective Tissue Diseases [C17] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10001403 |
E.1.2 | Term | Adult dermatomyositis |
E.1.2 | System Organ Class | 100000004858 |
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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 |
The primary objective of this study is to assess the efficacy of IgPro20 SC doses in comparison to placebo in adult subjects with DM, as measured by responder status based on the Total Improvement Score (TIS) assessments. |
L'objectif principal de cette étude est l'évaluation de l'efficacité d'IgPro20 en dose SC hebdomadaire par rapport au placebo chez les patients adultes atteints de DM, mesurée par le statut de répondeur au Score d'amélioration totale (Total Improvement Score, TIS). |
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E.2.2 | Secondary objectives of the trial |
The secondary objectives of the study are to assess the efficacy, with additional clinical outcome measures, of IgPro20 in comparison to placebo, the safety of IgPro20 in comparison to placebo, and the long-term safety and efficacy of IgPro20 |
Les objectifs secondaires de l'étude sont : l'évaluation de l'efficacité, grâce à des mesures supplémentaires de résultats cliniques, de l'IgPro20 par rapport au placebo ainsi que la sécurité et l'efficacité à long terme de l'IgPro20. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
male or female subjects ≥ 18 years of age with diagnosis of at least probable (idiopathic inflammatory myopathies) IIM per EULAR/ACR Classification Criteria which includes confirmation of dermatomyositis (DM) rash/manifestation, disease activity defined by presence of DM rash / manifestation or an objective disease activity measure, and disease severity defined by Physician global visual analog scale (VAS) with a minimum value of 2.0 cm on a 10 cm scale and MMT-8 ≤ 142 or CDASI total activity score ≥ 14. |
Patients (homme ou femme), âgés de 18 ans ou plus, ayant un diagnostic au moins probable de myopathie inflammatoire idiopathique (MII) selon les critères de classification ACR/EULAR qui comprennent la confirmation d'éruptions cutanées/manifestations de dermatomyosite (DM), une activité de la maladie définie par la présence d'éruptions cutanées/manifestations de DM, une mesure objective de l'activité de la maladie et un niveau de sévérité de la maladie définie par l'échelle visuelle analogique (EVA) globale du médecin atteignant au moins 2,0 cm sur 10 cm, ainsi qu'un score MMT-8 ≤ 142 et un score d'activité totale CDASI ≥ 14. |
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E.4 | Principal exclusion criteria |
Cancer-associated myositis, evidence of active malignant disease or malignancies diagnosed within the previous 5 years, Physician Global Damage ≥ 3, or clinically relevant improvement between Screening Visit and Baseline |
Myosite associée à un cancer, signes de maladies ou tumeurs malignes diagnostiquées dans les 5 années précédentes, score Physician Global Damage ≥ 3 ou amélioration clinique pertinente entre la visite de sélection et l'inclusion. |
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E.5 End points |
E.5.1 | Primary end point(s) |
Responder rate |
Taux de répondeurs |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
Weeks 17, 21, and 25 |
Semaines 17, 21, et 25 |
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E.5.2 | Secondary end point(s) |
1. Mean Total Improvement Score (TIS),
2. Point estimates and 95% CI for mean difference (IgPro20 – placebo) in TIS,
3. Mean changes from Baseline in Manual Muscle Testing (MMT-8),
4. Point estimates and 95% CI for mean change difference (IgPro20 – placebo) in MMT-8,
5. Mean changes from Baseline in Cutaneous Dermatomyositis Disease Area and Severity Index (CDASI) total activity score,
6. Point estimates and 95% CI for mean change difference (IgPro20 – placebo),
7. Number of subjects who are able to reduce the oral corticosteroid dose by ≥ 25% ,
8. Percentage and 95% CI of subjects who are able to reduce the oral corticosteroid dose by ≥ 25%
9. Point estimates and 95% CI for the odds ratio (IgPro20:Placebo) of subjects who are able to reduce the oral corticosteroid dose by ≥ 25%
10. Mean TIS throughout the study,
11. Percentage of subjects achieving TIS ≥ 20, ≥ 40, and ≥ 60 points,
12. Time to first achieving TIS ≥ 20, ≥ 40, and ≥ 60 points on the TIS,
13. Percentage of subjects achieving TIS ≥ 20 points at the end of the study participation,
14. Mean changes in individual CSMs except muscle enzymes and CDASI from Baseline,
15. Mean changes in individual CSMs except muscle enzymes and CDASI from Week 25,
16. Number of subjects meeting Definition of Worsening (DOW) at least once, twice, or > twice,
17. Percentage of subjects meeting DOW at least once, twice, or > twice,
18. Time to meeting DOW for the first time,
19. Number of subjects meeting DOW and receiving rescue corticosteroid treatment,
20. Percentage of subjects meeting DOW and receiving rescue corticosteroid treatment,
21. Number of subjects who start oral corticosteroid dose taper,
22. Percentage of subjects who start oral corticosteroid dose taper,
23. Number of subjects who are able to reduce the oral corticosteroid dose by ≥ 25%, ≥ 50%, ≥ 75%,
24. Number of subjects who are able to reduce the oral corticosteroid dose by ≥ 25%, ≥ 50%, ≥ 75%,
25. Percentage of subjects who are able to reduce the oral corticosteroid dose by ≥ 25%, ≥ 50%, ≥ 75%,
26. Percentage of subjects who are able to reduce the oral corticosteroid dose by ≥ 25%, ≥ 50%, ≥ 75%,
27. Percentage of subjects receiving rescue corticosteroid treatment,
28. Percentage of subjects whose rescue corticosteroid treatment is tapered,
29. Time to first intake of rescue corticosteroid treatment,
30. Number of subjects having at least 1 level, 2 levels, and more than 2 levels of improvement from Baseline in mobility, self-care, and usual activities domains of EQ-5D-5L,
31. Percentage of subjects having at least 1 level, 2 levels, and more than 2 levels of improvement from Baseline in mobility, self-care, and usual activities domains of EQ-5D-5L,
32. Number of subjects having no reduction in levels, at least 1 level, 2 levels, and more than 2 levels of improvement in mobility, self-care, and usual activities domains of EQ-5D-5L from Week 25,
33. Percentage of subjects having no reduction in levels, at least 1 level, 2 levels, and more than 2 levels of improvement in mobility, self-care, and usual activities domains of EQ-5D-5L from Week 25,
34. Percentage of subjects with Treatment Emergent Adverse Events (TEAEs),
35. Percentage of subjects with related TEAEs,
36. Percentage of subjects with serious TEAEs,
37. Rate of TEAEs per infusion,
38. Rate of TEAEs per infusion, by severity,
39. Rate of related TEAEs per infusion,
40. Rate of serious TEAEs per infusion. |
1. Score d'amélioration totale moyen (TIS),
2. Estimations aux points temps et IC à 95 % pour la différence moyenne (IgPro20 – placebo) dans le score TIS,
3. Variations moyennes du score MMT-8 depuis l'inclusion,
4. Estimations aux points temps et IC à 95 % pour la différence de variation moyenne (IgPro20 – placebo) du score MMT-8,
5. Variations moyennes du score d'activité totale Cutaneous Dermatomyositis Disease Area and Severity Index (CDASI) depuis l'inclusion,
6. Estimations aux points temps et IC à 95 % pour la différence de variation moyenne (IgPro20 – placebo),
7. Nombres de patients susceptibles de diminuer la dose de corticoïde oral d'au moins 25 %,
8. Pourcentage et IC à 95 % des patients susceptibles de diminuer la dose de corticoïde oral d'au moins 25 %,
9. Estimations aux points temps et IC à 95 % pour le rapport de cotes (IgPro20 – Placebo) des patients susceptibles de diminuer la dose de corticoïde oral d'au moins 25 %,
10. Score TIS moyen pendant toute la durée de l'étude,
11. Pourcentage de patients obtenant un score TIS ≥ 20, ≥ 40, et ≥ 60 points,
12. Délai nécessaire pour obtenir pour la première fois un score TIS ≥ 20, ≥ 40, et ≥ 60 points,
13. Pourcentage de patients obtenant un score TIS ≥ 20 points à la fin de leur participation à l'étude,
14. Variations moyennes des mesures individuelles de base, à l'exception des enzymes musculaires et du score CDASI depuis l'inclusion,
15. Variations moyennes des mesures individuelles de base, à l'exception des enzymes musculaires et du score CDASI, à partir de la semaine 25,
16. Pourcentage de patients remplissant les conditions de la définition d'aggravation (Definition of Worsening, DOW), au moins une fois, deux fois ou plus de deux fois,
17. Délai nécessaire pour remplir les conditions DOW pour la première fois,
18. Nombre de patients remplissant les conditions DOW et recevant une corticothérapie de secours,
19. Pourcentage de patients remplissant les conditions DOW et recevant une corticothérapie de secours,
21. Nombre de patients commençant à diminuer la dose de corticoïde oral,
22. Pourcentage de patients commençant à diminuer la dose de corticoïde oral,
23. Nombre de patients susceptibles de diminuer la dose de corticoïde oral d'au moins 25 %, 50 %, 75 %,
24. Nombre de patients susceptibles de diminuer la dose de corticoïde oral d'au moins 25 %, 50 %, 75 %,
25. Pourcentage de patients susceptibles de diminuer la dose de corticoïde oral d'au moins 25 %, 50 %, 75 %,
26. Pourcentage de patients susceptibles de diminuer la dose de corticoïde oral d'au moins 25 %, 50 %, 75 %,
27. Pourcentage de patients recevant une corticothérapie de secours,
28. Pourcentage de patients dont la corticothérapie de secours a diminué,
29. Délai avant la première prise de la corticothérapie de secours,
30. Nombre de patients connaissant une amélioration d'au moins 1 niveau, 2 niveaux et plus de 2 niveaux de leur mobilité, leurs soins personnels et leurs activités quotidiennes depuis l'inclusion selon l'EQ-
5D-5L,
31. Pourcentage de patients connaissant une amélioration d'au moins 1 niveau, 2 niveaux et plus de 2 niveaux de leur mobilité, leurs soins personnels et leurs activités quotidiennes depuis l'inclusion selon l'EQ-5D-5L,
32. Nombre de patients ne connaissant aucune diminution des niveaux, d'au moins 1 niveau, 2 niveaux et plus de 2 niveaux d'amélioration de leur mobilité, leurs soins personnels et leurs activités quotidiennes selon l'EQ-5D-5L depuis la semaine 25,
33. Pourcentage de patients ne connaissant aucune diminution des niveaux d'au moins 1 niveau, 2 niveaux et plus de 2 niveaux d'amélioration de leur mobilité, leurs soins personnels et leurs activités quotidiennes selon l'EQ-5D-5L depuis la semaine 25,
34. Pourcentage de patients présentant des EI survenus en cours de traitement (EIt),
35. Pourcentage de patients présentant des EI apparentés aux EI survenus sous traitement (EIt),
36. Pourcentage de patients présentant des EI graves survenus sous traitement,
37. Taux d'EI graves survenus sous traitement, par perfusion,
38. Taux d'EI graves survenus sous traitement, par perfusion, selon la gravité,
39. Taux d'EI apparentés aux EI survenus sous traitement (EIt) par perfusion,
40. Taux d'EI graves survenus sous traitement, par perfusion.
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
1. Up to Week 25,
2. Up to Week 25,
3. Up to Week 25,
4. Up to Week 25,
5. Up to Week 25,
6. Up to Week 25,
7. Up to Week 25,
8. Up to Week 25,
9. Up to Week 25,
10. Baseline up to Week 53,
11. Up to Week 53,
12. Up to Week 53,
13. Up to Week 53,
14. Up to Week 25,
15. Week 25 to Week 53,
16. Week 9 up to Week 25,
17. Week 9 up to Week 25,
18. Week 9 up to Week 25,
19. Week 9 up to Week 25,
20. Week 9 up to Week 25,
21. Up to Week 25,
22. Up to Week 25,
23. Up to Week 25,
24. Up to Week 53,
25. Up to Week 25,
26. Up to Week 53,
27. Week 9 up to Week 25,
28. Week 9 up to Week 25,
29. Week 9 up to Week 25,
30. Up to Week 25,
31. Up to Week 25,
32. Up to Week 53,
33. Week 25 up to Week 53,
34-40. Up to Week 56. |
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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 | 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) | 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 | 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 | 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 | 7 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 36 |
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 |
Argentina |
Australia |
Canada |
European Union |
Japan |
Mexico |
Russian Federation |
Switzerland |
Ukraine |
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
|
LVLS |
Dernière visite dernier patient |
|
E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 3 |
E.8.9.1 | In the Member State concerned months | 6 |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial years | 3 |
E.8.9.2 | In all countries concerned by the trial months | 6 |