INHERIT (INHibition of the renin angiotensin system in hypertrophic cardiomyopathy and the Effect on hypertrophy—a Randomised Intervention Trial with losartan)

Iacopo Olivotto, Euan A Ashley

Abstract


Early pharmacological interventions on transgenic models of hypertrophic cardiomyopathy (HCM) using angiotensin receptor blockers (ARBs) may be effective in preventing development of clinical phenotype or causing phenotype regression in early stages of disease. In the clinical setting, however, the effects of ARBs on HCM phenotype have been less consistent. INHERIT (INHibition of the renin angiotensin system in hypertrophic cardiomyopathy and the Effect on hypertrophy—a Randomised Intervention Trial with losartan) was designed to assess the effect of 100 mg of losartan in promoting the regression of LV hypertrophy in HCM. The primary end-point of the study was the reduction in LV mass assessed by MRI or computed tomography. After 12 months, no reduction in LV mass was observed in the losartan arm, and there was no difference in LV mass change with the placebo arm. The same was true for all secondary endpoints. The implications of these findings are discussed in the light of further, ongoing study targeting the HCM phenotype.

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Copyright (c) 2017 Iacopo Olivotto, Euan A Ashley

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