Hypertension

Antihypertensive Medication Timing and Cardiovascular Events and Death: The BedMed Randomized Clinical Trial

JAMAPublished Randomised controlled trial

Primary resultResult — go to the resultAdjusted hazard ratio 0.96 95% CI 0.77–1.19

Authors' conclusion

Among adults with hypertension in primary care, bedtime administration of antihypertensive medications was safe but did not reduce cardiovascular risk.

Study context

Population
Community-dwelling adults with hypertension taking ≥1 once-daily antihypertensive, recruited via 436 primary care clinicians in 5 Canadian provinces
Participants
3,357 adults
Comparison
Bedtime vs morning administration of antihypertensive medications
  • Bedtimen = 1,677
  • Morningn = 1,680reference
Primary endpoint
Time to first all-cause death or hospitalization/ED visit for stroke, ACS or HF
Follow-up
Median 4.6 years
Methodological detailsmulticentre, open-label, pragmatic, blinded end-point assessment
  • Multicentre
  • Open-label
  • Pragmatic
  • Blinded end-point assessment

Primary result

As reported in the abstract

Adjusted hazard ratio

0.96

95% CI 0.77–1.19

P = 0.70

By group

Bedtime vs Morning
adjusted HR 0.96 (95% CI 0.77–1.19); P = 0.70

Further findings

Individual components of the primary outcome, all-cause hospitalizations/ED visits

Did not differ between groups

Safety

Safety outcomes: falls or fractures, new glaucoma diagnoses, 18-month cognitive decline

No difference between groups

Original publication

Antihypertensive Medication Timing and Cardiovascular Events and Death: The BedMed Randomized Clinical Trial. JAMA. Published 17 June 2025. doi:10.1001/jama.2025.4390

Summarised from the published abstract; every number is checked against it

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