E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
sarcoidosis-associated pulmonary hypertension (SAPH) |
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E.1.1.1 | Medical condition in easily understood language |
Elevated pressure in lung vessels due to sarcoidosis (i.e. sarcoidosis-associated pulmonary hypertension [SAPH]) |
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E.1.1.2 | Therapeutic area | Diseases [C] - Respiratory Tract Diseases [C08] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10037400 |
E.1.2 | Term | Pulmonary hypertension |
E.1.2 | System Organ Class | 10038738 - Respiratory, thoracic and mediastinal 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 assess the effect of selexipag versus placebo on pulmonary vascular resistance (PVR) in participants with sarcoidosis-associated pulmonary hypertension (SAPH) at Week 20. |
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E.2.2 | Secondary objectives of the trial |
• To evaluate the effect of selexipag versus placebo on time to clinical worsening (TTCW).
• To evaluate the effect of selexipag versus placebo on exercise capacity.
• To evaluate the effect of selexipag versus placebo on WHO FC.
• To evaluate the effect of selexipag versus placebo on death or PH-related hospitalizations.
• To evaluate the effect of selexipag versus placebo on patient-reported outcomes (PROs) assessed by the 12-Item Short Form Health Survey (SF-12), King’s sarcoidosis questionnaire (KSQ), Pulmonary Arterial Hypertension-Symptoms and Impact (PAH-SYMPACT), and Patient Global Assessment of Severity (PGA-S).
• To evaluate the effect of selexipag versus placebo on clinician-reported outcomes (CROs) assessed by the Clinician Global Impression of Severity (CGI-S) and Clinician Global Impression of Change (CGI-C).
• To assess the overall safety of selexipag. |
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E.2.3 | Trial contains a sub-study | Yes |
E.2.3.1 | Full title, date and version of each sub-study and their related objectives |
A 52-week substudy to assess pulmonary fibrosis using centrally read HRCT. Objective: To explore the effect of selexipag on pulmonary fibrosis in a subset of participants.
A 52-week substudy to assess cardiac function and structure using centrally read cardiac MRI will be conducted at selected sites with appropriate equipment and experience. Objective: To explore the effect of selexipag on right ventricular (RV) function and morphology in a subset of participants. |
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E.3 | Principal inclusion criteria |
1. Must sign an ICF indicating that he or she understands the purpose of, and procedures required for, the study and is willing to participate in the study.
2. Male or female.
3. 18 (or the legal age of consent in the jurisdiction in which the study is taking place) to 75 years of age, inclusive, at Screening.
4. Confirmed diagnosis of sarcoidosis as per ATS criteria.
5. Sarcoidosis-associated precapillary PH, confirmed by RHC (at rest) within 90 days prior to randomization:
a. PVR ≥240 dyn*sec/cm5 (≥3.0 Wood units)
b. Mean pulmonary artery pressure (mPAP) ≥25 mmHg
c. Pulmonary artery wedge pressure (PAWP) ≤15 mm Hg, or if not available or unreliable, a left ventricular end diastolic pressure (LVEDP) ≤15 mmHg.
6. PH severity according to modified WHO FC II–IV at Screening and randomization; participants of WHO FC IV must be in a stable condition and able to perform a 6MWT.
7. No treatment or stable treatment of PH (ie, riociguat, PDE5i, ERA) during at least 90 days prior to randomization and the RHC qualifying for enrollment, (ie, no introduction of new therapies or dose change).
8. Stable sarcoidosis treatment regimen, ie, no new specific anti-inflammatory treatment for sarcoidosis for at least 90 days, and stable dose(s) for at least 30 days prior to randomization and the RHC qualifying for enrollment.
9. 6MWD between 50 and 450m both at Screening and at time of randomization.
10. Forced vital capacity (FVC) >50% and FEV1 >30% of predicted at Screening.
11. FEV1/FVC ≥60%, or if FEV1/FVC <60% then FEV1 must be ≥65% of predicted at Screening.
12. For patients enrolling in the HRCT substudy only: clinical and/or radiological suspicion of pulmonary fibrosis.
13. For patients enrolled or planned to be enrolled in a cardio-pulmonary rehabilitation program based on exercise training, one of the following must apply:
• In the maintenance phase of the program at the time of randomization with no plans to stop the program until Week 26, or
• Start of the cardio-pulmonary rehabilitation program based on exercise training is planned after Week 26.
14. A woman must be (as defined in Appendix 5)
a. Not of childbearing potential
b. Of childbearing potential and
o Have a negative highly sensitive serum (β-human chorionic gonadotropin [β-hCG]) at Screening and a negative urine pregnancy test at randomization.
o Agree to undertake monthly urine pregnancy tests during the study and up to at least 30 days after study intervention discontinuation.
o Practicing an acceptable method of contraception and agree to remain on an acceptable method while receiving study intervention and until 30 days after last dose of study intervention. Examples of acceptable methods of contraception are located in Appendix 5.
15. A woman using oral contraceptives must have been using this method for at least 1 month prior to randomization. |
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E.4 | Principal exclusion criteria |
1. PH due to left heart disease (PAWP >15 mmHg).
2. PH due to compression of pulmonary arteries and/or pulmonary veins.
3. History of left heart failure (LHF) as assessed by the investigator including cardiomyopathies, cardiac sarcoidosis, with a left ventricular ejection fraction (LVEF) <40%.
4. Severe coronary heart disease (CHD) or unstable angina as assessed by the investigator.
5. Myocardial infarction within the last 6 months prior to or during Screening.
6. Decompensated cardiac failure if not under close supervision.
7. Arrhythmias assessed as severe by the investigator.
8. Implantable cardioverter defibrillator (ICD) for secondary prevention.
9. Cerebrovascular events (eg, transient ischemic attack, stroke) within the last 90 days prior to or during Screening.
10. Congenital or acquired valvular defects with clinically relevant myocardial function disorders not related to PH.
11. Overt features of pulmonary veno-occlusive disease (PVOD).
12. Significant emphysema as assessed by the investigator.
13. Known and documented severe hepatic impairment (Child-Pugh C).
14. Severe renal failure (estimated glomerular filtration rate [eGFR] <30 mL/min/1.73 m2 or serum creatinine >2.5 mg/dL) based on central laboratory results from the Screening blood sample.
15. Treatment with prostacyclin, prostacyclin analogues or IP receptor agonists (ie, selexipag) during 90 days prior to randomization and/or prior to the RHC qualifying for enrollment, except those given at vasodilator testing during RHC.
16. Included on a lung transplant list or planned to be included until Visit 5 / Week 26.
17. Known or suspected uncontrolled thyroid disease as per investigator judgment.
18. Treatment with moderate inducers of CYP2C8, eg rifampicin or strong inhibitors of CYP2C8, eg, gemfibrozil at or within 14 days prior to randomization.
19. Change in dose or initiation of new diuretics and/or calcium channel blockers within 1 week prior to RHC qualifying for enrollment.
20. SBP <90 mmHg at Screening or at randomization.
21. Known allergies, hypersensitivity, or intolerance to selexipag or its excipients (refer to Investigator’s Brochure).
22. Planned or current treatment with another investigational treatment up to 90 days prior to randomization.
23. Received an investigational intervention or used an invasive investigational medical device within 90 days prior to randomization.
24. Any condition for which, in the opinion of the investigator, participation would not be in the best interests of the participant (eg, compromise well-being), or that could prevent, limit, or confound the protocol-specified assessments.
25. Any acute or chronic impairment that may influence the ability to comply with study requirements such as to perform RHC, a reliable and reproducible 6MWT (eg, use of walking aids (cane, walker, etc.), or lung function tests.
26. Employee of the investigator or study site, with direct involvement in the proposed study or other studies under the direction of that investigator or study site, as well as family members of the employees or the investigator.
27. For patients enrolling in the HRCT substudy only: any condition for which, in the opinion of the investigator, participation would not be in the best interests of the participant (eg, compromise well-being).
28. For patients enrolling in the cardiac MRI substudy only: atrial fibrillation, multiple premature ventricular or atrial contractions, or any other condition that may confound cardiac MRI assessment or for which, in the opinion of the investigator, participation would not be in the best interests of the participant (eg, compromise well-being). |
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E.5 End points |
E.5.1 | Primary end point(s) |
• PVR at peak concentration at Week 20 expressed as percent of the baseline value. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
2 to 5 hours post-dose at week 20 |
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E.5.2 | Secondary end point(s) |
• TTCW (defined according to definition by the CHMPb) up to Week 52 defined as at least one of the following components:
o All-cause death
o Non-planned pulmonary hypertension (PH)-related hospitalization
o Increase in WHO functional class (FC)
o Deterioration by at least 15% from baseline in exercise capacity as measured by the 6-minute walk distance (6MWD);
o Signs or symptoms of right heart failure (RHF) defined as a reported adverse event (AE) with one of the following preferred terms: “pulmonary hypertension”, “right ventricular failure”, “right ventricular dysfunction” and “acute right ventricular failure”.
• Longitudinal trend of 6MWD up to Week 52.
• Proportion of participants with oxygen desaturation post 6-minute walk test (6MWT) up to Week 52 (identified by decrease in oxygen saturation [SpO2] by at least 5% from pre-6MWT).
• Proportion of participants with improvement, worsening and no change from baseline in WHO FC up to Week 52.
• Proportion of participants with all-cause death or PH-related hospitalization up to Week 52.
• Rate of all-cause death or PH-related hospitalization up to Week 52.
• Change from baseline up to Week 52 in SF-12 scores.
• Change from baseline up to Week 52 in KSQ scores.
• Change from baseline up to Week 39 in PAH-SYMPACT scores.
• Change from baseline up to Week 52 in PGA-S scores.
• Change from baseline up to Week 52 in CGI-S scores.
• Change from baseline up to Week 52 in CGI-C scores.
• Intervention-emergent AEs.
• Intervention-emergent prostacyclin-associated AEs.
• Serious adverse events (SAEs) up to End-of-Study (EOS).
• AEs leading to premature discontinuation of study treatment.
• Treatment-emergent AEs of special interest (eg, hypotension, anemia, hyperthyroidism).
• Change in vital signs (systolic and diastolic arterial blood pressure and pulse rate) and body weight from baseline to all assessed timepoints during the study.
• Treatment-emergent marked laboratory abnormalities.
• Change from baseline in supplemental oxygen rate. |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
All timepoints as collected per protocol up to week 52 and EOS will be anaylsed.
AE, SAE, death and hospitalisation will be assessed at scheduled visits. |
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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) | Yes |
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 | Yes |
E.8.1.7.1 | Other trial design description |
group-sequential; double-blind period followed by open-label period. |
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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 | 4 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 60 |
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 |
Belgium |
Brazil |
Canada |
China |
Czech Republic |
Denmark |
France |
Germany |
Hungary |
India |
Italy |
Mexico |
Netherlands |
Poland |
Portugal |
Romania |
Russian Federation |
Spain |
Sweden |
Turkey |
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
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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 | 5 |
E.8.9.1 | In the Member State concerned months | 5 |
E.8.9.1 | In the Member State concerned days | 18 |
E.8.9.2 | In all countries concerned by the trial years | 5 |
E.8.9.2 | In all countries concerned by the trial months | 5 |
E.8.9.2 | In all countries concerned by the trial days | 18 |