A Study to Investigate the Safety and Efficacy of KER-012 in Combination With Background Therapy in Adult Participants With Pulmonary Arterial Hypertension (PAH) (TROPOS Study).

TROPOS Study Site 800, Darlinghurst

TROPOS Study Site 804, Camperdown

TROPOS Study Site 801, Sydney

TROPOS Study Site 803, New Lambton Heights

TROPOS Study Site 805, Melbourne

TROPOS Study Site 807, Auchenflower

TROPOS Study Site 413, Barcelona

TROPOS Study Site 890, Taipei

TROPOS Study Site 881, Incheon

TROPOS Study Site 410, Madrid

TROPOS Study Site 106, Charleston

TROPOS Study Site 340, Hanover

TROPOS Study Site 108, Jacksonville

TROPOS Study Site 341, Giesen

TROPOS Study Site 412, Barcelona

TROPOS Study Site 411, Santander

TROPOS Study Site 110, Louisville

TROPOS Study Site 113, Cincinnati

TROPOS Study Site 115, St Louis

TROPOS Study Site 100, Kansas City

TROPOS Study Site 344, Homburg

TROPOS Study Site 343, Heidelberg

TROPOS Study Site 112, Dallas

TROPOS Study Site 102, Houston

TROPOS Study Site 891, Kaohsiung City

TROPOS Study Site 111, Scottsdale

TROPOS Study Site 107, Tucson

TROPOS Study Site 114, Albuquerque

TROPOS Study Site 200, Blumenau

TROPOS Study Site 202, Porto Alegre

TROPOS Study Site 105, Torrance

TROPOS Study Site 345, Regensburg

TROPOS Study Site 320, Le Kremlin-Bicêtre

Site PI TROPOS Study Site 104, Stanford

TROPOS Study Site 101, Ann Arbor

TROPOS Study Site 103, Boston

TROPOS Study Site 109, Boston

TROPOS Study Site 201, São Paulo

TROPOS Study Site 342, Leipzig

TROPOS Study Site 704, Gdansk

TROPOS Study Site 701, Krakow

TROPOS Study Site 705, Lodz

TROPOS Study Site 702, Otwock

TROPOS Study Site 703, Poznan

TROPOS Study Site 706, Poznan

TROPOS Study Site 403, Almada

TROPOS Study Site 402, Coimbra

TROPOS Study Site 400, Lisbon

TROPOS Study Site 401, Porto

TROPOS Study Site 883, Seoul

TROPOS Study Site 882, Seoul

TROPOS Study Site 880, Seoul

TROPOS Study Site 441, Glasgow

TROPOS Study Site 442, London

TROPOS Study Site 440, London