Effects of L-/N-Type Calcium Channel Blockers on Angiotensin II–Renin Feedback in Hypertensive Patients

<div>Changes in the plasma Ang I (a) and Ang II (b) levels before and after the treatment. After 6 months of treatment, significant increases in both plasma Ang I and Ang II levels were observed in the amlodipine group but not in the cilnidipine group. Ang I, angiotensin I; Ang II, angiotensin II.</div>

International Journal of Hypertension

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Figure 5

Figure 5: Effects of L-/N-Type Calcium Channel Blockers on Angiotensin II–Renin Feedback in Hypertensive Patients 