About this trial
Yufeng Ningxin, a traditional Chinese medicine, has demonstrated potential antihypertensive effects in animal studies and small clinical trials, but has not yet been rigorously evaluated in large randomized clinical trials. Here, the investigators conducted a double-blind, randomized controlled trial to assess the efficacy and safety of Yufeng Ningxin tablets in patients with hypertension.
Eligibility criteria
Qualifiers
Male and female participants aged 18-65 years;
Newly diagnosed, untreated hypertension or treated hypertension with a seated systolic blood pressure of 140-159 mmHg and a daytime mean ambulatory systolic blood pressure ≥135 mmHg, following a ≥2-week washout of background antihypertensive medications;
The patient is capable of understanding the study requirements, is willing and able to comply with study procedures, and has provided written informed consent.
Disqualifiers
Secondary hypertension (including, but not limited to, renovascular hypertension, pheochromocytoma, primary aldosteronism, Cushing syndrome, aortic coarctation, or due to known history of moderate-to-severe obstructive sleep apnea);
Orthostatic hypotension (symptomatic or asymptomatic);
Participation in another hypertension-related clinical trial at enrollment or within 6 months prior;
Currently taking, taken within 30 days prior to randomization, or anticipated to receive during the study treatment period any medication or herbal supplement known to significantly affect blood pressure (with the exception of medications for the treatment of essential hypertension). These drugs include, but are not limited to: organic nitrates, glucocorticoids (excluding topical or inhaled corticosteroids), central nervous system stimulants (e.g., methylphenidate, dexmethylphenidate, amphetamines), estrogens, monoamine oxidase inhibitors, digitalis preparations, Chinese proprietary medicines (such as Tianma Gouteng Granules, Songling Xuemaikang Capsules, Yangxue Qingnao Granules), and herbal medicines (including Salvia miltiorrhiza, Uncaria rhynchophylla, Ginkgo biloba leaves, Prunella vulgaris, etc.);
Trial design
Treatments tested in this trial
- Yufeng Ningxin tablets
- Placebo