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Abstract Title:

[Actions of standardized extracts of Crataegus berries on exercise tolerance and quality of life in patients with congestive heart failure].

Abstract Source:

Arzneimittelforschung. 2001 Oct;51(10):793-8. PMID: 11715631

Abstract Author(s):

N Rietbrock, M Hamel, B Hempel, V Mitrovic, T Schmidt, G K Wolf

Abstract:

Standardized extracts of Crataegus leaves and blossoms are said to have positive inotropic, positive dromotropic and negative bathmotropic effects. Clinical trials produce evidence for an improvement of symptoms in patients with congestive heart failure (NYHA II). In this trial the efficacy of a standardized extract of fresh Crataegus berries (Rob 10) on exercise tolerance and quality of life was studied in 88 patients. In a three-month placebo-controlled, randomized, double-blind trial these patients were treated with Rob 10 (3 x 25 drops daily). Total exercise time in bicycle ergometry was defined as primary efficacy variable, while quality of life (Minnesota Questionnaire), Dyspnea-Fatigue Index and the assessment of dyspnea by the patient on a visual analogous scale were chosen as secondary parameters. Investigations were performed after a two week placebo run-in period as well as 6 and 12 weeks after the onset of the study. Treatment with Rob 10 led to a increase of exercise time of 38.9 s vs placebo (95% confidence interval 5.7-72.1 s). Quality of life improved accordingly in favour of Rob 10. In the Minnesota Questionnaire, the total score fell by 31% (30.6 vs 44.1) under Rob 10 vs 18% (34.6 vs 42.4) under placebo. The Dyspnea-Fatigue Index demonstrated an increase of the total score of 12% (9.41 vs 8.37) vs 8% (8.92 vs 8.26) under administration of placebo. According to findings of the assessment of dyspnea by the patient, dyspnea decreased by 11% (50.5 vs 56.6 mm) vs 4% (54.8 vs 57.3 mm) under placebo. The present study proves the efficacy and safety of a standardized extract of fresh Crataegus berries (Rob 10) in patients with congestive heart failure (NYHA II) regarding the parameters evaluated.

Study Type : Human Study

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Sayer Ji
Founder of GreenMedInfo.com

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