This study is designed to investigate whether sympathoinhibition with moxonidine could provide added metabolic benefit compared to the second line therapy in the current guidelines.
This is a randomised, double-blind, cross-over study. Participants will be randomly assigned to receive either moxonidine 0.4mg daily or amlodipine 5mg and will later receive the alternate treatment. Comprehensive testing will occur after each 12 week treatment phase and will include assessment of muscle sympathetic nerve activity, gut microbiome analysis and metabolic markers.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
120
Participants will be randomly assigned to receive moxonidine 0.4mg/daily and will later receive the alternate treatment. As the study is double blind neither the participant nor the study personnel will be aware of which treatment is currently being tested to avoid any effect this may have on the results. The two 12-week treatment phases will be separated by a 6-week wash out (drug-free) period.
Participants will be randomly assigned to receive amlodipine 5mg and will later receive the alternate treatment. As the study is double blind neither the participant nor the study personnel will be aware of which treatment is currently being tested to avoid any effect this may have on the results. The two 12-week treatment phases will be separated by a 6-week wash out (drug-free) period.
Dobney Hypertension Centre
Perth, Western Australia, Australia
RECRUITINGBlood Pressure
Both Systolic and diastolic blood pressure assessed by office and ambulatory blood pressure monitoring
Time frame: 30 weeks
blood glucose levels
Changes in glycemic control through oral glucose tolerance test
Time frame: 30 weeks
Gut microbiota profile
Change in gut microbiota assessed by short chain fatty acid
Time frame: 30 weeks
Lipid levels in blood
change in triglyceride, HDL and LDL levels in blood
Time frame: 30 weeks
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