A Study of First-Line Ambrisentan and Tadalafil Combination Therapy in Subjects With Pulmonary Arterial Hypertension (PAH)

Summary

The purpose of this study is to compare the two treatment strategies; first-line combination therapy (ambrisentan and tadalafil) versus first-line monotherapy (ambrisentan or tadalafil) in subjects with Pulmonary Arterial Hypertension. This will be assessed by time to the first clinical failure event.

Timeline

Start

2010-10-01

Primary completion

2014-07-31

Completion

2014-07-31

Publications

• Kuwana M, Blair C, Takahashi T, Langley J, Coghlan JG. Initial combination therapy of ambrisentan and tadalafil in connective tissue disease-associated pulmonary arterial hypertension (CTD-PAH) in the modified intention-to-treat population of the AMBITION study: post hoc analysis. Ann Rheum Dis. 2020 May;79(5):626-634. doi: 10.1136/annrheumdis-2019-216274. Epub 2020 Mar 11.
• White RJ, Vonk-Noordegraaf A, Rosenkranz S, Oudiz RJ, McLaughlin VV, Hoeper MM, Grunig E, Ghofrani HA, Chakinala MM, Barbera JA, Blair C, Langley J, Frost AE. Clinical outcomes stratified by baseline functional class after initial combination therapy for pulmonary arterial hypertension. Respir Res. 2019 Sep 12;20(1):208. doi: 10.1186/s12931-019-1180-1.
• Coghlan JG, Galie N, Barbera JA, Frost AE, Ghofrani HA, Hoeper MM, Kuwana M, McLaughlin VV, Peacock AJ, Simonneau G, Vachiery JL, Blair C, Gillies H, Miller KL, Harris JHN, Langley J, Rubin LJ; AMBITION investigators. Initial combination therapy with ambrisentan and tadalafil in connective tissue disease-associated pulmonary arterial hypertension (CTD-PAH): subgroup analysis from the AMBITION trial. Ann Rheum Dis. 2017 Jul;76(7):1219-1227. doi: 10.1136/annrheumdis-2016-210236. Epub 2016 Dec 30.
• Galie N, Barbera JA, Frost AE, Ghofrani HA, Hoeper MM, McLaughlin VV, Peacock AJ, Simonneau G, Vachiery JL, Grunig E, Oudiz RJ, Vonk-Noordegraaf A, White RJ, Blair C, Gillies H, Miller KL, Harris JH, Langley J, Rubin LJ; AMBITION Investigators. Initial Use of Ambrisentan plus Tadalafil in Pulmonary Arterial Hypertension. N Engl J Med. 2015 Aug 27;373(9):834-44. doi: 10.1056/NEJMoa1413687.
• Peacock AJ, Zamboni W, Vizza CD. Ambrisentan for the treatment of adults with pulmonary arterial hypertension: a review. Curr Med Res Opin. 2015;31(9):1793-807. doi: 10.1185/03007995.2015.1074890. Epub 2015 Aug 27.

Drugs

Indications