Research led by Sichuan University in China has revealed that bedtime antihypertensive treatment dosing improves nocturnal blood stress {control} over morning dosing in sufferers with hypertension.
Hypertension is a serious world well being problem. In China, practically 300 million people stay with elevated blood stress and fewer than 17% obtain sufficient {control}. Nocturnal stress is usually probably the most tough to handle and is usually a higher predictor of coronary heart assault and stroke than daytime readings.
Previous research have examined the optimum timing for antihypertensive treatment with conflicting proof and substantial variability in study outcomes.
In the review, “Morning vs. Bedtime Dosing and Nocturnal Blood Pressure Reduction in Patients With Hypertension: The OMAN Randomized Clinical Trial,” published in JAMA Network Open, researchers performed a randomized medical trial to match bedtime versus morning administration of antihypertensive medicine on nocturnal blood stress discount and circadian rhythm {control}.
Across 15 hospitals in China, the trial enrolled 720 contributors aged 18 to 75 years who both had by no means acquired antihypertensive remedy or had discontinued remedy for at the very least two weeks.
Participants had been randomly assigned to teams receiving antihypertensive treatment both within the morning (6:00–10:00 AM) or at bedtime (6:00–10:00 PM). All sufferers acquired a single-pill mixture of olmesartan (20 mg) and amlodipine (5 mg), with dosage changes primarily based on ambulatory and workplace blood stress monitoring each 4 weeks.
After 12 weeks, the bedtime dosing group confirmed a better discount in nighttime systolic blood stress, with a between-group distinction of -3.0 mm Hg (95% CI, -5.1 to -1.0 mm Hg). Nighttime diastolic blood stress additionally decreased extra within the bedtime dosing group (-1.4 mm Hg; 95% CI, -2.8 to -0.1 mm Hg).
Nighttime systolic blood stress {control} charges had been greater with bedtime dosing (79.0%) in contrast with morning dosing (69.8%). Office systolic blood stress {control} charges had been 88.7% within the bedtime group and 82.2% within the morning group.
Bedtime dosing additionally lowered morning systolic and diastolic blood stress with fewer dose escalations. No important variations had been noticed within the incidence of nocturnal hypotension or reported opposed results between teams.
Researchers conclude that bedtime dosing offered higher nocturnal blood stress {control} and improved circadian rhythm with out decreasing the efficacy of imply daytime or 24-hour blood stress or rising the danger of nocturnal hypotension.
These findings assist the potential benefits of bedtime administration and provide proof to information future analysis on antihypertensive chronotherapy.
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More info:
Runyu Ye et al, Morning vs Bedtime Dosing and Nocturnal Blood Pressure Reduction in Patients With Hypertension, JAMA Network Open (2025). DOI: 10.1001/jamanetworkopen.2025.19354
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Clinical trial exhibits taking blood stress treatment at evening improves nocturnal and daytime {control} ( 14)
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