Abstract
Objective: Objectives. To evaluate the effectiveness of the combination of trimetazidine (TMZ) and bisoprolol in angina patients in real-world clinical practice. Design and method: Methods. This is a post-hoc analysis of CHOICE II, a Russian, multicenter, 6-month, open-label, prospective observational study that assessed the effect of adding TMZ modified release 35 mg bid to antianginal treatment. 896 patients with persistent symptomatic stable angina were included in CHOICE-II, of whom 221 receiving TMZ -bisoprolol were included in the post-hoc analysis. Patients took TMZ 35 mg bid for the entire study duration. There was no optimization of other antianginal drugs. Results: Results. The mean age of patients was 64.8 ± 8.9 years. 52.0% were female. 91.9% had hypertension. Mean heart rate was 71.9 ± 9.6 beats per minute. At baseline patients had stable angina, mostly with CCS Class II (65.6%) or Class III (30.8%). Both angina frequency and short-acting nitrate (SAN) use decreased significantly on TMZ-bisoprolol from baseline to month 6 from 6.2 ± 5.3 to 1.5 ± 1.9 attacks/week and from 5.5 ± 4.4 to 1.0 ± 1.4 SAN/week, respectively (P < 0.001 for both). Exercise capacity also improved: angina-free walking distance significantly increased (from 308 ± 207 to 497 ± 253 meters, P < 0.001), as well as the number of flight of stairs until angina (from 2.9 ± 2.0 to 4.5 ± 2.3, P < 0.001). At 6 months, the number of patients presenting dyspnea decreased from 169 (76.5%) to 87 (39.4%). % of patients with CCS Class I angina increased more than 10-fold during the treatment period (from 2.3% to 27.6%) while % of patients with CCS Class III angina decreased 3-fold (from 30.8% to 10.0%). After 6 months of treatment, mean systolic and diastolic blood pressure decreased by 13.4 ± 13.1 and 6.7 ± 9.4 mm Hg staying within normal ranges, respectively. 3 patients (1.4%) prematurely discontinued the study treatment combination. Conclusions: Conclusion. This analysis supported the antianginal effectiveness of TMZ-bisoprolol in real-life clinical practice.
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