Sanjay Mehta1, Bhagavatula Kutumba Srinivasa Sastry2, Rogério Souza3, Adam Torbicki4, Hossein-Ardeschir Ghofrani5, Richard N Channick6, Marion Delcroix7, Tomás Pulido8, Gérald Simonneau9, John Wlodarczyk10, Lewis J Rubin11, Pavel Jansa12, Elke Hunsche13, Nazzareno Galiè14, Loïc Perchenet13, Olivier Sitbon9. 1. London Health Sciences Centre, Victoria Hospital, Western University, London, ON, Canada. Electronic address: sanjay.mehta@lhsc.on.ca. 2. CARE Hospitals, Hyderabad, India. 3. Heart Institute, University of São Paulo Medical School, São Paulo, Brazil. 4. Centre of Postgraduate Medical Education, Europejskie Centrum Zdrowia, Otwock, Poland. 5. University of Giessen and Marburg Lung Center, Giessen, Germany, Member of the German Center of Lung Research (DZL), Giessen, Germany, and Department of Medicine, Imperial College London, London, England. 6. Massachusetts General Hospital, Boston, MA. 7. Gasthuisberg University Hospital, Leuven, Belgium. 8. Ignacio Chávez National Heart Institute, Mexico City, Mexico. 9. Assistance Publique-Hôpitaux de Paris, Service de Pneumologie, Hôpital Bicêtre, Le Kremlin-Bicêtre, France; Université Paris-Sud, Laboratoire d'Excellence en Recherche sur le Médicament et Innovation Thérapeutique, Le Kremlin-Bicêtre, France, and INSERM U-999, Centre chirurgical Marie Lannelongue, Le Plessis Robinson, France. 10. John Wlodarczyk Consulting Services, Newcastle, Australia. 11. University of California, San Diego Medical School, San Diego, CA. 12. Charles University, Prague, Czech Republic. 13. Actelion Pharmaceuticals Ltd, Allschwil, Switzerland. 14. Bologna University Hospital, Bologna, Italy.
Abstract
BACKGROUND:Pulmonary arterial hypertension (PAH) leads to reduced health-related quality of life (HRQoL). The objectives of this analysis were to evaluate the effect of macitentan on HRQoL in patients with PAH in the Study with anEndothelin Receptor Antagonist in Pulmonary Arterial Hypertension to Improve Clinical Outcome (SERAPHIN) study. The association between baseline HRQoL and long-term outcomes was also investigated. METHODS: Patients were randomized to placebo, macitentan 3 mg, or macitentan 10 mg once daily. Patients aged 14 years or older completed the 36-Item Short Form Survey (SF-36) at baseline, at month 6 and month 12, and at the end of treatment (EOT). The absolute change from baseline to month 6 in SF-36 scores was calculated. The time to a clinically meaningful deterioration in the SF-36 physical component summary and mental component summary (PCS and MCS) scores and associations between baseline PCS/MCS scores and time to morbidity/mortality events were also assessed. RESULTS: At month 6, macitentan 10 mg significantly improved seven of eight SF-36 domains and the PCS and MCS scores vs placebo. Macitentan 10 mg significantly reduced the risk of a three-point or greater deterioration in PCS (hazard ratio [HR], 0.60; 95% CI, 0.47-0.76; P < .0001) and MCS scores (HR, 0.76; 95% CI, 0.61-0.95; P = .0173) until EOT vs placebo. Patients with a baseline PCS score greater than the median baseline value had a significantly reduced risk of morbidity/mortality compared with patients with a PCS score less than the median; a similar result was observed for the MCS score. CONCLUSIONS: Macitentan significantly improved HRQoL in patients with PAH compared with placebo and significantly reduced the risk of a clinically meaningful HRQoL deterioration. An association between better baseline HRQoL and improved long-term outcomes was shown. TRIAL REGISTRY: ClinicalTrials.gov; No.: NCT00660179; URL: clinicaltrials.gov.
RCT Entities:
BACKGROUND:Pulmonary arterial hypertension (PAH) leads to reduced health-related quality of life (HRQoL). The objectives of this analysis were to evaluate the effect of macitentan on HRQoL in patients with PAH in the Study with an Endothelin Receptor Antagonist in Pulmonary Arterial Hypertension to Improve Clinical Outcome (SERAPHIN) study. The association between baseline HRQoL and long-term outcomes was also investigated. METHODS:Patients were randomized to placebo, macitentan 3 mg, or macitentan 10 mg once daily. Patients aged 14 years or older completed the 36-Item Short Form Survey (SF-36) at baseline, at month 6 and month 12, and at the end of treatment (EOT). The absolute change from baseline to month 6 in SF-36 scores was calculated. The time to a clinically meaningful deterioration in the SF-36 physical component summary and mental component summary (PCS and MCS) scores and associations between baseline PCS/MCS scores and time to morbidity/mortality events were also assessed. RESULTS: At month 6, macitentan 10 mg significantly improved seven of eight SF-36 domains and the PCS and MCS scores vs placebo. Macitentan 10 mg significantly reduced the risk of a three-point or greater deterioration in PCS (hazard ratio [HR], 0.60; 95% CI, 0.47-0.76; P < .0001) and MCS scores (HR, 0.76; 95% CI, 0.61-0.95; P = .0173) until EOT vs placebo. Patients with a baseline PCS score greater than the median baseline value had a significantly reduced risk of morbidity/mortality compared with patients with a PCS score less than the median; a similar result was observed for the MCS score. CONCLUSIONS:Macitentan significantly improved HRQoL in patients with PAH compared with placebo and significantly reduced the risk of a clinically meaningful HRQoL deterioration. An association between better baseline HRQoL and improved long-term outcomes was shown. TRIAL REGISTRY: ClinicalTrials.gov; No.: NCT00660179; URL: clinicaltrials.gov.
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