E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Ischemic digital ulcers associated with systemic sclerosis |
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E.1.1.1 | Medical condition in easily understood language |
Difficult-to-heal open sores on fingers ("Digital Ulcers") associated with a disease that leads to hardening of the skin, blood vessels and internal organs ("Systemic sclerosis") |
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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 | 14.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10042953 |
E.1.2 | Term | Systemic sclerosis |
E.1.2 | System Organ Class | 10028395 - Musculoskeletal and connective tissue disorders |
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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 demonstrate the effect of macitentan on the reduction of the number of new digital ulcers in patients with systemic sclerosis and ongoing digital ulcer (DU) disease. |
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E.2.2 | Secondary objectives of the trial |
_To evaluate the efficacy of macitentan on hand functionality in systemic sclerosis (SSc) patients with active DUs.
_ To evaluate the safety and tolerability of macitentan in SSc patients with active DUs. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
- Diagnosis of limited or diffuse SSc according to the classification criteria of the American College of Rheumatology (ACR), including CREST (calcinosis, Raynaud’s phenomenon, esophageal dysfunction, sclerodactyly, telangiectasia) syndrome.
- At least one visible, active ischemic DU at baseline, located on the palmar surface of a finger, at or distal to the proximal interphalangeal joints (PIP) or at the digital tip, and that developed within 8 weeks prior to randomization.
- History of at least one additional active ischemic DU within 6 months, or at least two within 12 months prior to Screening. |
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E.4 | Principal exclusion criteria |
1. DUs due to condition other than SSc.
2. Symptomatic pulmonary arterial hypertension (PAH).
3. Body mass index (BMI: kg/m2) <18.
4. Serum aspartate aminotransferase (AST) and/or alanine aminotransferase (ALT) > 1.5 times the upper limit of normal (ULN).
5. Moderate to severe hepatic impairment, i.e., Child-Pugh Class B or C.
6. Hemoglobin < 75% of the lower limit of the normal range.
7. Systolic blood pressure < 100 mmHg or diastolic blood pressure < 50 mmHg .
8. Renal insufficiency (estimated creatinine clearance <30 mL/min, or serum creatinine > 2.5mg/dL).
9. Severe malabsorption, any severe organ failure (e.g., lung,kidney), or any life-threatening condition.
10. Conditions that could affect hand function and hand pain, based on investigator discretion.
11. Females who are pregnant or breastfeeding or plan to do so during the course of this study.
12. Substance or alcohol abuse or dependence, or tobacco use .
13. Treatment with PDE5 inhibitors (e.g., sildenafil, tadalafil).
14. Patients on statins (e.g., atorvastatin, simvastatin), who have received treatment for less than 3 months prior to Screening (Visit 1) or whose treatment has not been stable during this period.
15. Patients on vasodilatorsand low molecular weight heparin.
16. Treatment with prostanoids.
17. Treatment with endothelin receptor antagonists (ERAs).
18. Systemic antibiotics (oral and i.v.) to treat infected DU(s) .
19. Use of topical growth factors, hyperbaric oxygen.
20. Local injection of botulinum toxin in an affected finger within 4 weeks prior to Screening.
21. Surgical wound debridement within 1 month prior to Screening.
22. Treatment with cytochrome P450 3A (CYP3A) inducers, such as rifabutin, rifampin, rifapentin, carbamazepine, phenobarbital, phenytoin, St. John’s wort, within 4 weeks prior to Screening.
23. Known hypersensitivity to drugs of the same class as the study drug, or any of the excipients.
24. Planned treatment, or treatment with another investigational drug within 4 weeks prior to Screening.
25. Any condition that prevents compliance with the protocol or adherence to therapy, such as inability to speak, read, or understand the local language well enough to complete all study assessments. |
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E.5 End points |
E.5.1 | Primary end point(s) |
Primary endpoint (assessed during Treatment Period 1) :
Total number of new DUs per patient at planned visits up to Week 16. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
End-of-Period 1 (Week 16) |
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E.5.2 | Secondary end point(s) |
Secondary endpoints (assessed during Treatment Period 1)
- Proportion of patients without a new DU up to Week 16.
- Change from baseline (Visit 2) to Week 16 in the Cochin Hand Functional Scale (CHFS) overall and individual domain scores.
- Change from baseline (Visit 2) to Week 16 in the composite of hand components of the disability index of the Scleroderma Health Assessment Questionnaire (SHAQ): grip, hygiene, dressing and grooming.
- Change from baseline to Week 16 in the total number of DUs observed (baseline DUs and new DUs).
- Time to onset of each new DU up to Week 16 (time to 1st, 2nd, 3rd, 4th, etc., DU).
Secondary endpoints (assessed during Treatment Period 2):
- Proportion of patients without a new DU during Treatment Period 2 [from re-randomization (Visit 6) to EOT (Visit 9)] among patients who received either macitentan 3 or 10 mg and did not develop any new DU during Treatment Period 1.
- Time from re-randomization (Visit 6) to the occurrence of the first new DU during Treatment Period 2 among patients who received either macitentan 3 or 10 mg and did not develop any new DU during Treatment Period 1.
- Total number of new DUs per patient during Treatment Period 2 [from re-randomization (Visit 6) to EOT (Visit 9)] among patients who received either macitentan 3 or 10 mg and developed at least one new DU during Treatment Period 1. |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
- Treatment period 1: 4 visits (week 4, 8, 12 and 16)
- Treatment period 2: 3 visits (week 20, 24 and 28)
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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 | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
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) | 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.8.3 |
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 | 3 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 35 |
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 |
Australia |
Belarus |
Bulgaria |
Canada |
Chile |
Colombia |
Croatia |
Czech Republic |
Denmark |
Finland |
France |
Germany |
Hungary |
India |
Italy |
Poland |
Russian Federation |
Ukraine |
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
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Last Patient Last Safety Follow-up : 30 days after LPLV |
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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 | 2 |
E.8.9.1 | In the Member State concerned months | 9 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 2 |
E.8.9.2 | In all countries concerned by the trial months | 9 |
E.8.9.2 | In all countries concerned by the trial days | 0 |