• M V Vitsenya, A V Potekhina, S V Gavryushina, N M Ibragimova, O V Stukalova, V P Masenko, T V Sharf, and F T Ageev.
• Chazov National Medical Research Center of Cardiology.
• Terapevt Arkh. 2023 Sep 29; 95 (7): 560567560-567.

AimTo evaluate the effect of Sacubitril/Valsartan (S/V) on the functional status, systolic and diastolic function of the left ventricle (LV), tolerability of therapy and to determine predictors of its effectiveness in patients with cancer therapy-related heart failure (СTRHF).Materials And MethodsForty patients 58 [46; 65.5] years of age with HF associated with anthracycline-containing cancer therapy were enrolled. Clinical examination, echocardiography, and assessment of potassium and creatinine levels were performed at baseline and after 6 months of S/V therapy.ResultsNYHA functional class (FC) improvement was observed in 22 (64.7%) patients. Radiation therapy (RT) decreased (OR 0.091; 95% CI 0.01-0.83; p=0.03) while baseline low LV EF increased (OR 9.0; 95% CI 1.78-45.33; p=0.008) the odds of FC improvement. LV EF increased from 37.3 [30; 42.5] % to 45 [38; 48] % (p<0.0001) and exceeded 50% in 7 (20.6%) patients. The odds of LV EF recovery increased when S/V therapy was initiated ≤1 year after anthracycline therapy (OR 10.67; 95% CI 1.57-72.67; p=0.0016) and decreased in patients with the history of RT (OR 0.14; 95% CI 0.02-0.89; p=0.0037) and in patients over 58 years (OR 0.07; 95% CI 0.01-0.68; p=0.022). LV diastolic function improvement included E/e' descent from 13.6 [10; 18.3] to 8.9 [6.9; 13.7] (p=0.0005), and decrease in diastolic dysfunction grade in 18 (45%) patients (p=0.0001). No significant change in serum potassium (4.45 [4.2; 4.8] versus 4.5 [4.3; 4.8]; p=0.5) and creatinine (75.4 [67.6; 85.1] versus 75.5 [68.2; 98.3]; p=0.08) levels were observed.ConclusionS/V therapy is associated with improvement of EF, systolic and diastolic LV function, demonstrates a favorable tolerability profile in patients with СTRHF. Lack of RT and low baseline LV EF increased the odds of LV EF improvement; lack of RT, early (≤1 year) start of treatment after discontinuation of anthracycline therapy, and age <58 years increased the odds of LV EF recovery.

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