A Study Providing Treatment Access in Participants With Pulmonary Hypertension Completing a Parent Study and Having no Other Option (PLATYPUS)

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Actelion Pharmaceuticals

Status and phase

Enrolling
Phase 3

Conditions

Hypertension, Pulmonary

Treatments

Drug: Macitentan
Drug: Macitentan/Tadalafil FDC
Drug: Selexipag

Study type

Interventional

Funder types

Industry

Identifiers

NCT05179876
CR109121
NOPRODPAPUH3001 (Other Identifier)
2021-002297-11 (EudraCT Number)

Details and patient eligibility

About

The purpose of the study is to enable participants with pulmonary hypertension (PH) currently treated with study intervention(s) in a clinical study (parent studies [NCT03422328, NCT03904693 and NCT04565990]), to continue to benefit from the intervention after closure of the parent study in case they have no alternative means of access to the study intervention. This study will allow assessment of the long-term safety of each study intervention.

Enrollment

230 estimated patients

Sex

All

Ages

2+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Participant must sign an informed consent form (ICF) (or their legally acceptable representative must sign) indicating that participant understands the purpose of, and procedures required for, the study and is willing to participate in the study
  • Participant treated with oral macitentan or selexipag or fixed dose combination (FDC) of macitentan 10 milligrams (mg) and tadalafil 40 mg at the end of a sponsor parent study and: a) the indication of the parent study is included in the intervention-specific appendices (ISA) (pulmonary arterial hypertension [PAH] or chronic thromboembolic pulmonary hypertension [CTEPH] for adults, PAH for pediatric participants); b) participant has completed the parent study; c) no alternative means of access to study intervention (or equivalent approved therapy) have been identified; d) participant may continue to benefit from treatment with the study intervention; e) Participant is at least 18 years old for selexipag or macitentan/tadalafil FDC, and at least 2 years old for macitentan
  • A female participant of childbearing potential must: a) have a negative urine or serum pregnancy test prior to first intake of study intervention; b) agree to perform monthly urine pregnancy test up to the end of the safety follow-up period; c) agree to follow contraceptive methods until 30 days after the last intake of the study intervention

Exclusion criteria

General:

  • Participants prematurely discontinued from the study intervention in their parent study
  • Female participant being pregnant, or breastfeeding, or planning to become pregnant while enrolled in this study
  • Planned or current treatment with another investigational treatment

Macitentan-specific:

  • Known allergies, hypersensitivity, or intolerance to macitentan or its excipients
  • Hemoglobin less than (<) 80 grams per liter (g/L)
  • Serum aspartate (AST) and/or alanine aminotransferases (ALT) greater than (>) 3* upper limit of normal (ULN)
  • Known and documented severe hepatic impairment that is, Child-Pugh Class C. For participants with hepatic impairment, Child-Pugh Class (Child-Pugh score) should be fully assessed and documented in the source documents at screening

Selexipag-specific:

  • Known allergies, hypersensitivity, or intolerance to selexipag or its excipients
  • Suspected or known pulmonary veno-occlusive disease (PVOD)
  • Uncontrolled thyroid disease
  • Severe coronary heart disease or unstable angina, myocardial infarction within the last 6 months, decompensated cardiac failure (if not under close medical supervision), severe arrhythmia, cerebrovascular events (for example, transient ischemic attack, stroke) within the last 3 months, or congenital or acquired valvular defects with clinically relevant myocardial function disorders not related to pulmonary hypertension (PH)
  • Known and documented severe hepatic impairment that is, Child-Pugh Class C. For participants with hepatic impairment, Child-Pugh Class (Child-Pugh score) should be fully assessed and documented in the source documents at screening

Macitentan/tadalafil FDC-specific:

  • Known allergies, hypersensitivity, or intolerance to macitentan or tadalafil or their excipients
  • Hemoglobin <80 g/L
  • Serum aspartate (AST) and/or alanine aminotransferases (ALT) >3* ULN range
  • Known and documented severe hepatic impairment that is, Child-Pugh Class C. For participants with hepatic impairment, Child-Pugh Class should be fully assessed and documented in the source documents at screening
  • Severe renal impairment (estimated glomerular filtration rate [eGF]/creatinine clearance <30 milliliter per minute [mL/min])

Trial design

230 participants in 3 patient groups

Macitentan
Experimental group
Description:
Participants who have completed a parent study, benefit from their study intervention maintenance and have no adequate alternative local treatment option will be enrolled in this study and will continue to receive study drug macitentan orally during the course of the study. For adult participants study visits will be scheduled every 6 months and for pediatric participants study visits will be scheduled every 3 months. The study includes on-site visits to collect efficacy and safety information until participant discontinuation/withdrawal, or the respective study intervention is made commercially available in the country/territory or an equivalent approved therapy becomes available, or the sponsor decides to terminate the study prematurely.
Treatment:
Drug: Macitentan
Selexipag
Experimental group
Description:
Participants who have completed a parent study, benefit from their study intervention maintenance and have no adequate alternative local treatment option will be enrolled in this study and will continue to receive study drug selexipag orally during the course of the study. Study visits are scheduled every 6 months to collect efficacy and safety information until participant discontinuation/withdrawal, or the respective study intervention is made commercially available in the country/territory or an equivalent approved therapy becomes available, or the sponsor decides to terminate the study prematurely.
Treatment:
Drug: Selexipag
Macitentan/Tadalafil FDC
Experimental group
Description:
Participants who have completed a parent study, benefit from their study intervention maintenance and have no adequate alternative local treatment option will be enrolled in this study and will continue to receive drug Macitentan and Tadalafil fixed dose combination (FDC) orally during the course of the study. Study visits are scheduled every 6 months to collect efficacy and safety information until participant discontinuation/withdrawal, or the respective study intervention is made commercially available in the country/territory or an equivalent approved therapy becomes available, or the sponsor decides to terminate the study prematurely.
Treatment:
Drug: Macitentan/Tadalafil FDC

Trial contacts and locations

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Central trial contact

Study Contact

Data sourced from clinicaltrials.gov

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