Participants will be randomized to the Triple Pill ( initially strength 1-telmisartan 20 mg , amlodipine 2.5 mg , hydrochlorothiazide 6.25 mg , with the option of subsequent titration to strength 2-telmisartan 40 mg , amlodipine 5 mg , hydrochlorothiazide 12.5 mg ) or continued usual care .