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Effect of Kuanxiong Aerosol (宽胸气雾剂) on Patients with Angina Pectoris: A Non-inferiority Multi-center Randomized Controlled Trial
Ist Teil von
Chinese journal of integrative medicine, 2018-05, Vol.24 (5), p.336-342
Ort / Verlag
Berlin/Heidelberg: Springer Berlin Heidelberg
Erscheinungsjahr
2018
Link zum Volltext
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
Objective
To evaluate the effect and safety of Kuanxiong Aerosol (宽胸气雾剂, KA) on patients with angina pectoris.
Methods
Block randomization was performed to randomly allocate 750 patients into KA (376 cases) and control groups (374 cases). During an angina attack, the KA group received 3 consecutive sublingual sprays of KA (0.6 mL per spray). The control group received 1 sublingual nitroglycerin tablet (NT, 0.5 mg/tablet). Log-rank tests and Kaplan-Meier estimations were used to estimate the angina remission rates at 6 time-points after treatment (1, 2, 3, 4, 5, and >5 min). Logistic regression analysis was performed to observe the factors inflfluencing the rate of effective angina remission, and the remission rates and incidences of adverse reactions were compared for different Canadian Cardiovascular Society (CCS) classes of angina.
Results
The 5-min remission rates in the KA and control groups were not signifificantly different (94.41% vs. 90.64%,
P
>0.05). The angina CCS class signifificantly inflfluenced the rate of remission (95% confidence interval = 0.483–0.740,
P
<0.01). In the CCS subgroup analysis, the 3-and 5-min remission rates for KA and NT were similar in the CCSII and III subgroups (
P
>0.05), while they were signifificantly better for KA in the CCSI and II subgroups (
P
<0.05 or
P
<0.01). Furthermore, the incidence of adverse reactions was signifificantly lower in the KA group than in the control group for the CCSII and III subgroups (9.29% vs. 26.22%, 10.13% vs. 20.88%,
P
<0.05 or
P
<0.01).
Conclusions
KA is not inferior to NT in the remission of angina. Furthermore, in CCSII and III patients, KA is superior to NT, with a lower incidence of adverse reactions. (Registration No. ChiCTRIPR-15007204)