Morning Versus Bedtime Dosing of Antihypertensive Medication

Trial statusRecruiting
Trial phasePhase 4
Trial typeInterventional
Biological sexAll
Age18-70
SponsorYan Li

About this trial

Previous studies have shown that elevated nighttime blood pressure (BP) was more closely associated with cardiovascular mortality and morbidity than daytime and clinic BPs. With increasingly advanced technology, not only 24-hour ambulatory but also home BP monitors can be used to evaluate nighttime BP. The validation study of the Omron HEM 9601T showed that the wrist-type home BP monitor could be a suitable and reliable tool for the diagnosis and management of nocturnal hypertension. However, up to now, there is no data on home nighttime BP in Chinese patients and it is unclear if different dosing time would reduce ambulatory and home nighttime BPs differently.

The investigators therefore designed a multicenter randomized clinical trial to compare between morning dosing and bedtime dosing of antihypertensive medications in the difference in nighttime, daytime and the 24-h BP reductions evaluated by both ambulatory and home BP monitoring, and in target organ protections.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Male or female patients aged 18-70 years old;

Never treated for hypertension or stopped using antihypertensive drugs for at least 2 weeks;

In the two screenings,the clinical systolic BP should be in the range of 140-159 mmHg, the diastolic BP < 100 mmHg;

The average 24-hour systolic BP ≥130mmHg, daytime systolic BP ≥ 135 mmHg, and nighttime systolic BP ≥ 120 mmHg;

Disqualifiers

Secondary hypertension;

Concomitant obstructive sleep apnea (STOP-BANG score ≥ 5), insomnia, Parkinson's syndrome, or nocturnal polyuria and other diseases that affect nighttime BP;

Need to work at night;

Ambulatory BP monitoring was invalid (<70% valid readings, or <20 daytime readings or <7 nighttime readings);

Trial design

Design model

Parallel

Treatments tested in this trial

  • Alisartan, Amlodipine besylate

    Drug

    Drugs will be taken once daily at 6:00-10:00.

  • Alisartan, Amlodipine besylate

    Drug

    Drugs will be taken once daily at 20:00-24:00.

Treatment groups

300 Participants
are divided into 2 treatment groups
Group A: The morning dosing groupActive comparator 1 intervention
Group B: The bedtime dosing groupExperimental treatment 1 intervention

Trial outcomes

Primary outcomes

1

Nighttime systolic BP reduction in mmHg

The difference between the morning and bedtime dosing groups in nighttime systolic BP reduction in mmHg measured by the ambulatory BP monitoring after the treatment for 24 weeks

Time frame
24 weeks

Secondary outcomes

1

Daytime systolic BP reduction in mmHg, 24-Hour systolic BP reduction in mmHg, Home systolic BP reduction in mmHg

The difference between the morning and bedtime dosing groups in the daytime and 24-hour systolic BPs reduction in mmHg measured by the ambulatory BP monitoring and home systolic BP reduction in mmHg after treatment for 24 weeks

Time frame
24 weeks
2

Brachial-ankle pulse wave velocity reduction in cm per second

The difference between the morning and bedtime dosing groups in reduction of brachial-ankle pulse wave velocity after treatment for 12 and 24 weeks

Time frame
12 and 24 weeks
3

Ambulatory night-to-day BP ratio change in percent; proportions of non-dippers in percent, morning systolic blood pressure in mmHg,

The difference between the morning and bedtime dosing groups in change of Ambulatory night-to-day BP ratio change in percent; proportions of non-dippers in percent, and morning systolic blood pressure in mmHg after treatment for 8 and 24 weeks.

Time frame
8 weeks and 24 weeks
4

Urinary albumine-to-creatinine ratio change in mg/mmol

The difference between the morning and bedtime dosing groups in change of microalbumine-to-creatinine ratio in random urine samples after treatment for 12 weeks and 24 weeks

Time frame
12 weeks and 24 weeks

Other outcomes

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

Yan Li

Lead sponsor

Shanghai Institute of Hypertension

Sponsor institution