TORREY, a Phase 2 study to evaluate the efficacy and safety of inhaled seralutinib for the treatment of pulmonary arterial hypertension

Aberrant kinase signaling that involves platelet-derived growth factor receptor (PDGFR) α/β, colony stimulating factor 1 receptor (CSF1R), and stem cell factor receptor (c-KIT) pathways may be responsible for vascular remodeling in pulmonary arterial hypertension. Targeting these specific pathways m...

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Autores principales: Robert P. Frantz, Raymond L. Benza, Richard N. Channick, Kelly Chin, Luke S. Howard, Vallerie V. McLaughlin, Olivier Sitbon, Roham T. Zamanian, Anna R. Hemnes, Matt Cravets, Jean-Marie Bruey, Robert Roscigno, David Mottola, Erin Elman, Lawrence S. Zisman, Hossein-Ardeschir Ghofrani
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Publicado: SAGE Publishing 2021
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Acceso en línea:https://doaj.org/article/e7c6ee3ea34a41f89721a2c6c04b54de
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spelling oai:doaj.org-article:e7c6ee3ea34a41f89721a2c6c04b54de2021-11-13T23:03:26ZTORREY, a Phase 2 study to evaluate the efficacy and safety of inhaled seralutinib for the treatment of pulmonary arterial hypertension2045-894010.1177/20458940211057071https://doaj.org/article/e7c6ee3ea34a41f89721a2c6c04b54de2021-11-01T00:00:00Zhttps://doi.org/10.1177/20458940211057071https://doaj.org/toc/2045-8940Aberrant kinase signaling that involves platelet-derived growth factor receptor (PDGFR) α/β, colony stimulating factor 1 receptor (CSF1R), and stem cell factor receptor (c-KIT) pathways may be responsible for vascular remodeling in pulmonary arterial hypertension. Targeting these specific pathways may potentially reverse the pathological inflammation, cellular proliferation, and fibrosis associated with pulmonary arterial hypertension progression. Seralutinib (formerly known as GB002) is a novel, potent, clinical stage inhibitor of PDGFRα/β, CSF1R, and c-KIT delivered via inhalation that is being developed for patients with pulmonary arterial hypertension. Here, we report on an ongoing Phase 2 randomized, double-blind, placebo-controlled trial (NCT04456998) evaluating the efficacy and safety of seralutinib in subjects with World Health Organization Group 1 Pulmonary Hypertension who are classified as Functional Class II or III. A total of 80 subjects will be enrolled and randomized to receive either study drug or placebo for 24 weeks followed by an optional 72-week open-label extension study. The primary endpoint is the change from baseline to Week 24 in pulmonary vascular resistance by right heart catheterization. The secondary endpoint is the change in distance from baseline to Week 24 achieved in the 6-min walk test. A computerized tomography sub-study will examine the effect of seralutinib on pulmonary vascular remodelling. A separate heart rate monitoring sub-study will examine the effect of seralutinib on cardiac effort during the 6-min walk test.Robert P. FrantzRaymond L. BenzaRichard N. ChannickKelly ChinLuke S. HowardVallerie V. McLaughlinOlivier SitbonRoham T. ZamanianAnna R. HemnesMatt CravetsJean-Marie BrueyRobert RoscignoDavid MottolaErin ElmanLawrence S. ZismanHossein-Ardeschir GhofraniSAGE PublishingarticleDiseases of the circulatory (Cardiovascular) systemRC666-701Diseases of the respiratory systemRC705-779ENPulmonary Circulation, Vol 11 (2021)
institution DOAJ
collection DOAJ
language EN
topic Diseases of the circulatory (Cardiovascular) system
RC666-701
Diseases of the respiratory system
RC705-779
spellingShingle Diseases of the circulatory (Cardiovascular) system
RC666-701
Diseases of the respiratory system
RC705-779
Robert P. Frantz
Raymond L. Benza
Richard N. Channick
Kelly Chin
Luke S. Howard
Vallerie V. McLaughlin
Olivier Sitbon
Roham T. Zamanian
Anna R. Hemnes
Matt Cravets
Jean-Marie Bruey
Robert Roscigno
David Mottola
Erin Elman
Lawrence S. Zisman
Hossein-Ardeschir Ghofrani
TORREY, a Phase 2 study to evaluate the efficacy and safety of inhaled seralutinib for the treatment of pulmonary arterial hypertension
description Aberrant kinase signaling that involves platelet-derived growth factor receptor (PDGFR) α/β, colony stimulating factor 1 receptor (CSF1R), and stem cell factor receptor (c-KIT) pathways may be responsible for vascular remodeling in pulmonary arterial hypertension. Targeting these specific pathways may potentially reverse the pathological inflammation, cellular proliferation, and fibrosis associated with pulmonary arterial hypertension progression. Seralutinib (formerly known as GB002) is a novel, potent, clinical stage inhibitor of PDGFRα/β, CSF1R, and c-KIT delivered via inhalation that is being developed for patients with pulmonary arterial hypertension. Here, we report on an ongoing Phase 2 randomized, double-blind, placebo-controlled trial (NCT04456998) evaluating the efficacy and safety of seralutinib in subjects with World Health Organization Group 1 Pulmonary Hypertension who are classified as Functional Class II or III. A total of 80 subjects will be enrolled and randomized to receive either study drug or placebo for 24 weeks followed by an optional 72-week open-label extension study. The primary endpoint is the change from baseline to Week 24 in pulmonary vascular resistance by right heart catheterization. The secondary endpoint is the change in distance from baseline to Week 24 achieved in the 6-min walk test. A computerized tomography sub-study will examine the effect of seralutinib on pulmonary vascular remodelling. A separate heart rate monitoring sub-study will examine the effect of seralutinib on cardiac effort during the 6-min walk test.
format article
author Robert P. Frantz
Raymond L. Benza
Richard N. Channick
Kelly Chin
Luke S. Howard
Vallerie V. McLaughlin
Olivier Sitbon
Roham T. Zamanian
Anna R. Hemnes
Matt Cravets
Jean-Marie Bruey
Robert Roscigno
David Mottola
Erin Elman
Lawrence S. Zisman
Hossein-Ardeschir Ghofrani
author_facet Robert P. Frantz
Raymond L. Benza
Richard N. Channick
Kelly Chin
Luke S. Howard
Vallerie V. McLaughlin
Olivier Sitbon
Roham T. Zamanian
Anna R. Hemnes
Matt Cravets
Jean-Marie Bruey
Robert Roscigno
David Mottola
Erin Elman
Lawrence S. Zisman
Hossein-Ardeschir Ghofrani
author_sort Robert P. Frantz
title TORREY, a Phase 2 study to evaluate the efficacy and safety of inhaled seralutinib for the treatment of pulmonary arterial hypertension
title_short TORREY, a Phase 2 study to evaluate the efficacy and safety of inhaled seralutinib for the treatment of pulmonary arterial hypertension
title_full TORREY, a Phase 2 study to evaluate the efficacy and safety of inhaled seralutinib for the treatment of pulmonary arterial hypertension
title_fullStr TORREY, a Phase 2 study to evaluate the efficacy and safety of inhaled seralutinib for the treatment of pulmonary arterial hypertension
title_full_unstemmed TORREY, a Phase 2 study to evaluate the efficacy and safety of inhaled seralutinib for the treatment of pulmonary arterial hypertension
title_sort torrey, a phase 2 study to evaluate the efficacy and safety of inhaled seralutinib for the treatment of pulmonary arterial hypertension
publisher SAGE Publishing
publishDate 2021
url https://doaj.org/article/e7c6ee3ea34a41f89721a2c6c04b54de
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