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Carfilzomib-associated pulmonary arterial hypertension in multiple myeloma.

ABSTRACT: Drug-induced pulmonary arterial hypertension (PAH) is constantly evolving as new drugs are developed. Carfilzomib is a recently approved therapy for relapsed and refractory multiple myeloma. While it has been associated with cardiovascular adverse events, such as ischemic heart disease and heart failure, PAH has not been a well-described side effect. We present two patients who developed PAH associated with initiation of carfilzomib. They both initially presented with severe dyspnea, had elevated right ventricular systolic pressure on transthoracic echocardiography and ultimately underwent right heart catheterization. With discontinuation of carfilzomib, both patients had improvement in hemodynamics. However, one patient required initiation of PAH-targeted therapies and has had worsening right ventricular function again despite permanent discontinuation of carfilzomib. It is important to recognize the association between carfilzomib and PAH. Echocardiography can be an important initial screening tool. PAH from carfilzomib therapy may be reversible, especially if diagnosed early; however, extended follow-up is essential.

SUBMITTER: Yang JZ

PROVIDER: S-EPMC8485285 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:RationalePatients with systemic sclerosis-associated pulmonary arterial hypertension (SSc-PAH) continue to have an unacceptably high mortality rate despite the progress achieved with pulmonary arterial vasodilator therapies.ObjectivesWe sought to determine whether SSc-PAH is a clinically distinct pulmonary vascular disease phenotype when compared with idiopathic pulmonary arterial hypertension (IPAH) on the basis of progression of echocardiographic right ventricular (RV) dysfunction.MethodsRetrospective analysis of echocardiographic data in 13 patients with SSc-PAH and 11 patients with IPAH was used to delineate the progression of RV dysfunction during single or combination pulmonary arterial vasodilator therapy. All patients had right heart catheterization-confirmed pulmonary arterial hypertension as well as complete baseline (at the time of diagnosis) and follow-up (most recent) echocardiograms. We excluded patients with significant scleroderma-associated interstitial lung disease. Adjusting for time of follow-up and disease duration, we performed mixed model regression analyses comparing the changes between the two groups for different echocardiographic variables: tricuspid annular plane systolic excursion, tricuspid regurgitation jet velocity, right atrial area, and RV diameter.ResultsThe mean ages for the SSc-PAH and IPAH groups were 60.8 and 48.2 years, respectively. The mean follow-up periods for the two groups were 3.8 and 1.95 years, respectively. Tricuspid annular plane systolic excursion did not improve in patients with SSc-PAH, whereas it increased in the patients with IPAH (-0.38 mm, P?=?0.87; vs. +5.6 mm, P?=?0.02). The other echocardiographic variables showed a trend toward worsening in the SSc-PAH group and improvement in the IPAH group.ConclusionsOur results indicate that, in patients with SSc-PAH, echocardiographic RV function does not improve over time compared with that of patients with IPAH, despite institution of pulmonary artery vasodilator therapies.

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Carfilzomib-associated pulmonary arterial hypertension in multiple myeloma.

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