Related Experiment Video
Updated: Aug 7, 2026

Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion
Published on: May 26, 2022
Treatment of hypertension with clonidine
Insights
Clonidine effectively lowered blood pressure in most hypertensive patients, including those with kidney disease. While generally safe, some patients experienced mental side effects, warranting further long-term study.
Area of Science:
- Pharmacology
- Cardiovascular Medicine
- Nephrology
Background:
- Hypertension is a prevalent condition requiring effective management.
- Current antihypertensive therapies have limitations and side effect profiles.
- Novel therapeutic agents are continuously sought for hypertension treatment.
Purpose of the Study:
- To evaluate the efficacy and safety of clonidine in patients with moderate to severe hypertension.
- To assess the impact of clonidine on blood pressure regardless of patient posture.
- To determine if clonidine affects renal function in hypertensive patients.
Main Methods:
- A study involving 28 patients with moderate to severe hypertension.
- Administration of clonidine in daily dosages ranging from 0.15 to 4.8 mg.
- Monitoring of systolic and diastolic blood pressures, postural effects, and renal function.
Main Results:
- Clonidine effectively lowered blood pressure in 26 out of 28 patients (93%).
- Treatment efficacy was consistent across different postures.
- No reduction in renal function was observed during the study.
- Four patients experienced non-severe mental side effects.
Conclusions:
- Clonidine demonstrates significant antihypertensive effects in moderate to severe cases.
- It presents a viable alternative to existing antihypertensive medications.
- Long-term efficacy and a broader side effect profile require further investigation.
Abstract:
Clonidine, in a daily dosage of 0.15-4.8 mg., effectively lowered systolic and diastolic pressures in 26 out of 28 impatients with moderate to severe hypertension, including five with primary renal disease. The action of the drug did not depend on posture and was not associated with reduction in renal function. Side-effects were not severe, but mental changes occurred in four patients.Clonidine is a useful alternative to currently available antihypertensive drugs, but further evaluation of its longterm efficacy is required.
More Related Videos
Related Concept Videos
Antihypertensive Drugs: Thiazide-Class Diuretics
Antihypertensive Drugs: Action of β1 Blockers
Antihypertensive Drugs: Vasodilators
Treatment for Pulmonary Arterial Hypertension: Receptor Tyrosine Kinase Inhibitors and Calcium Channel Blockers
TKIs, such as imatinib (Gleevec), are particularly effective in tackling the growth and mitogenic factors that become upregulated in PAH patients. These factors contribute to the...
Hypertension IV: Drug Therapy and Lifestyle Modifications
Hypertension V: Nursing Management

