A Study to Find Out if Selexipag is Effective and Safe in Patients With Chronic Thromboembolic Pulmonary Hypertension When the Disease is Inoperable or Persistent/Recurrent After Surgery and/or Interventional Treatment

  • STATUS
    Recruiting
  • End date
    Feb 5, 2025
  • participants needed
    280
  • sponsor
    Actelion
Updated on 7 October 2021
endarterectomy
pulmonary arterial hypertension
selexipag

Summary

Selexipag is available in many countries for the treatment of pulmonary arterial hypertension (PAH). Due to the similarities between PAH and chronic thromboembolic pulmonary hypertension (CTEPH) and the observed efficacy of other PAH medicines in CTEPH, it is believed that selexipag could benefit to patients with CTEPH. This study aims to assess the efficacy and safety of selexipag in subjects with inoperable or persistent/recurrent CTEPH.

Description

Subjects will be recruited in two sequential cohorts: approximately the first 90 randomized subjects will undergo a right heart catheterization (RHC) (and left heart catheterization LHC, if needed) with measurement of pulmonary vascular resistance (PVR) at Week 20 and will constitute the hemodynamic cohort; the remaining participants will constitute the non-hemodynamic cohort; who do not require a post-baseline hemodynamic assessment. They will undergo the same overall study assessments as the hemodynamic cohort excepted for RHC at Week 20.

Details
Condition Chronic Thromboembolic Pulmonary Hypertension, CTEPH, thromboembolic pulmonary hypertension
Treatment Placebo, Selexipag
Clinical Study IdentifierNCT03689244
SponsorActelion
Last Modified on7 October 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Signed and dated informed consent form
Male and female subjects from greater than or equal to (>) 18 (or the legal age of consent in the jurisdiction in which the study is taking place) and less then or equal to (<=85) years old at Screening (Visit 1)
With established diagnosis of inoperable CTEPH (i.e., technically non-operable) or persistent/recurrent CTEPH after pulmonary endarterectomy (PEA) and/or balloon pulmonary angioplasty (BPA), as confirmed by the corresponding adjudication committee
With pulmonary hypertension (PH) in WHO FC I-IV
Subject able to perform the 6-minute walk test (6MWT) with a minimum distance of 100 m and a maximum distance of 450 m at screening visit
Women of childbearing potential must have a negative pregnancy test at screening and randomization and must agree to undertake monthly urine pregnancy tests, and to use a reliable method of birth control from screening visit up to at least 30 days after study treatment discontinuation. If a hormonal contraceptive is chosen it must be taken for at least 1 month prior to randomization

Exclusion Criteria

Planned or current treatment with another investigational treatment up to 3 months prior to randomization
Any known factor or disease that might interfere with treatment compliance, study conduct, or interpretation of the results, such as drug or alcohol dependence or psychiatric disease
Known concomitant life-threatening disease with a life expectancy < 12 months
Planned balloon pulmonary angioplasty within 26 weeks after randomization
Change in dose or initiation of new PH-specific therapy within 90 days prior to the baseline RHC (and LHC, if needed) qualifying for enrollment for the hemodynamic cohort and within 90 days prior to randomization (Visit 2) for the non-hemodynamic cohort
Treatment with prostacyclin (epoprostenol), prostacyclin analogs (i.e., treprostinil, iloprost, beraprost) or prostacyclin receptor agonists (i.e., selexipag) within 90 days prior to randomization (visit 2) except those given at vasodilator testing during RHC
Change in dose or initiation of new diuretics and/or calcium channel blockers within 1 week prior to baseline RHC (and LHC, if needed)
Any co-morbid condition that may influence the ability to perform a reliable and reproducible 6MWT, including use of walking aids (cane, walker, etc)
Any other criteria as per selexipag Summary of Product Characteristics (SmPC)
Exclusion criteria related to comorbidities: severe coronary heart disease or unstable angina as assessed by the investigator; mocardial infarction within the last 6 months prior to or during Screening; decompensated cardiac failure if not under close supervision; severe arrhythmias as assessed by the investigator; cerebrovascular events (example transient ischemic attack, stroke) within the last 3 months prior to or during screening; congenital or acquired valvular defects with clinically relevant myocardial function disorders not related to pulmonary hypertension. (PH); known or suspicion of pulmonary veno-occlusive disease
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