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  • Title: [Treatment of unstable angina. A randomized double-blind study of propranolol, diltiazem and molsidomine].
    Author: Nicolas G, Witchitz S, Beaufils P, Bory M, Bourdarias JP, Gilgenkrantz JM, Guize L, Kolsky H, Letac B, Sellier P.
    Journal: Ann Cardiol Angeiol (Paris); 1986 Oct 30; 35(8):501-4. PubMed ID: 3545034.
    Abstract:
    A randomized, multicentric, double blind study attempted to compare in 41 patients hospitalized for unstable angina, the efficacy of diltiazem (D) 240 mg/day, propranolol (P) 160 mg/day and molsidomine (M) 8 mg/day. The patients included in the study presented one or several spontaneous angina episodes accompanied by a transient and significant lowering of ST and/or an inverted T wave without necrosis. The evaluation criteria were the occurrence of new angina pain and electrical alterations on a continuous Holter for 5 days. 11 patients received diltiazem, 13 patients received propranolol and 15 patients received molsidomine (including an early death). Clinically, the number of painful episodes per day and per patient goes, in an average, from 1.2 to 0.23 diltiazem, from 2.2 to 0.44 for propranolol and from 2.2 to 0.45 for molsidomine. Pain disappeared on the 5th day in 54.5 per cent of patients under diltiazem, 58.8 per cent of patients under propranolol and 53.5 per cent of patients under molsidomine. Electrically, the number of ischemic accidents per day and per patient was 0.45 under diltiazem, 2.12 under propranolol (0.53 in excluding one patient with latent angina) and 0.81 under molsidomine. The number of patients without any ischemic accident was 63.6 per cent under diltiazem, 53.8 per cent under propranolol and 40 per cent under molsidomine. In conclusion, diltiazem, propranolol, and molsidomine have a comparable efficacy in unstable angina. The association of these medications could have a synergistic effect.
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