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Presentation Outline ICHP Annual Meeting September 13-15

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PAH Therapy Targets<br />

Schulze-Neick I, Beghetti M. Eur Respir Rev. 2010;19:331–9.<br />

Serotonin<br />

• Effects<br />

– Vasoconstriction<br />

– Smooth muscle cell hyperplasia and hypertrophy<br />

• Impaired platelet serotonin storage in PAH<br />

– Dexfenfluramine<br />

• No PAH-SSRI association<br />

McLaughlin VV, et al. Curr Probl Cardiol. 2011;36:461-517.<br />

Marcos E, et al. Am J Respir Crit Care Med. 2003;168:487-93.<br />

VIP<br />

• Effects<br />

– Vasodilatation<br />

– Inhibition of vascular smooth muscle cell<br />

proliferation<br />

• Low levels in PAH population<br />

McLaughlin VV, et al. Curr Probl Cardiol. 2011;36:461-517.<br />

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