BRAND NAMES
 MECHANISM OF ACTION
Moexipril is an ACE inhibitor. (Angiotensin Converting Enzyme Inhibitor) ACE inhibitors acts by:
- Inhibiting the formation of angiotensin II from the inactive angiotensin I. Angiotensin II is a potent vasoconstrictor that leads to increased blood pressure.
- ACE catalyses the breakdown of bradykinin (a powerful vasodilator). Therefore, ACE inhibitors, by inhibiting bradykinin metabolism, increase bradykinin levels, which can contribute to the vasodilator activity
- Angiotensin II promotes aldosterone release which normally acts to retain sodium and water, therefore ACE inhibitors promote renal excretion of sodium and water (natriuretic and diuretic effects) by blocking angiotensin II stimulation of aldosterone secretion.
Moexipril is a prodrug and is converted to the active metabolite, Moexiprilat by hepatic cleavage of the ester group. Moexipril’s antihypertensive activity is almost entirely due to its deesterified metabolite (moexiprilat).
- Treatment of hypertension, alone or in combination with other antihypertensive agents, especially thiazide-like diuretics. ACE inhibitors have an effect on blood pressure that is less in black patients than in non-blacks
- Hypertension: The recommended initial dose in patients not on diuretics is 7.5 mg, one hour prior to meals, once daily. Dosage should be adjusted according to blood pressure response. The usual dosage range is 7.5-30 mg daily, administered in one or two divided doses one hour before meals. T. In some patients, treated once daily the antihypertensive effect may diminish toward the end of the dosing interval. In such patients, twice daily administration should be considered.
- Hypersensitivity to Moexipril
- Patients with a history of angioedema related to previous treatment with an angiotensin converting enzyme inhibitor.
- Pregnancy and lactation
- Patients on diuretics may experience an excessive reduction of blood pressure.
- Caution is advised if non steroidal antiinflammatory drugs NSAIDs are prescribed with ACE inhibitors. (Concomitant use of NSAIDS may result in decreased ACE inhibitor effectiveness). In some patients with compromised renal function who are being treated with NSAIDS, the co-administration of ACE inhibitors may result in further deterioration of renal function. Cases of acute renal failure, usually reversible, have also been reported.
- Potassium-sparing diuretics (spironolactone, triamterene, or amiloride) or potassium supplements may have an additive effect on potassium retention, resulting in hyperkalemia.
- Lithium toxicity has been reported when used in combination with ACE inhibitors. If a diuretic is also used, the risk of lithium toxicity may be increased.
 PREGNANCY AND LACTATION
- Pregnancy Category C (US) (first trimester)
- Pregnancy Category D (US) (second and third trimesters).
ACE inhibitors can cause fetal and neonatal morbidity and mortality when administered to pregnant women (espacially in the second and third trimester of pregnancy). When pregnancy is detected, Moexipril should be discontinued as soon as possible.
- It is not known whether Moexipril is excreted in human milk. Caution should be exercised when given to a nursing mother.
 SIDE EFFECTS
ACE inhibitors are usually well tolerated. Possible side effects include: Dry irritant cough attributable to accumulation of bradykinin, dizziness, diarrhea, hypotension (especially during the first days of therapy), fatigue, headache and diarrhea.
- Risk of hyperkalaemia due to potassium retention (rarely and especially in patients with renal dysfunction)
- Angioedema of the face, extremities, lips, tongue, glottis, and larynx has been reported in patients treated with ACE inhibitors including Moexipril (rare but potentially fatal).
- Skin rashes (uncommon)
 RELATED LINKS
|ACE inhibitors||Benazepril (Lotensin) • Captopril (Capoten) • Cilazapril • Delapril • Enalapril (Renitec, Vasotec) • Fosinopril (Monopril) • Lisinopril (Prinivil, Zestril) • Moexipril (Univasc) • Perindopril (Aceon) • Quinapril (Accupril) • Ramipril (Altace, Triatec) • Trandolapril (Mavik) • Zofenopril (Bifril, Zopranol)|
|Angiotensin II receptor antagonist||Azilsartan (Edarbi) • Candesartan (Atacand) • Eprosartan (Teveten) • Irbesartan (Aprovel, Avapro, Karvea) • Losartan (Cozaar) • Olmesartan (Benicar, Olmetec) • Telmisartan (Micadis) • Valsartan (Diovan, Tareg)|
|Renin inhibitors||Aliskiren (Rasilez, Tekturna)|
|Alpha-1 blockers||Doxazosin (Cardura) • Prazosin (Minipress) • Terazosin (Hytrin)|
|Alpha-2 agonists (centrally acting)||Clonidine (Oral route) • Clonidine (Transdermal) (Catapresan) • Guanfacine (Tenex) • Methyldopa (Aldomet)|
|Calcium channel blockers||Dihydropyridines||Amlodipine (Norvasc) • Barnidipine (Vasexten) • Felodipine (Plendil) • Isradipine (Dynacirc) • Lacidipine (Lacipil, Motens) • Lercanidipine (Zanidip) • Manidipine • Nicardipine • Nifedipine (Adalat) • Nisoldipine • Nitrendipine|
|Benzothiazepine||Diltiazem (Cardizem, Taztia XT, Tiazac, Tildiem)|
|Phenylalkylamine||Gallopamil • Verapamil (Calan)|
|Beta blockers||Beta1 selective (cardioselective)||Acebutolol (Sectral) • Atenolol (Tenormin) • Betaxolol (Kerlon) • Bisoprolol (Concor) • Celiprolol (Cordiax) • Metoprolol (Betaloc, Lopressor, Toprol-XL) • Nebivolol (Bystolic, Lobivon, Nebilox)|
|Nonselective (Beta1 and Beta2 blockers)||Oxprenolol (Trasitensin) • Propranolol (Inderal) • Timolol (Blocadren)|
|Nonselective (Beta1, Beta2 and Alpha1 blockers)||Carvedilol (Dilatrend) • Labetalol (Trandate)|
|Beta blocker with intrinsic sympathomimetic activity (ISA)||Acebutolol (Sectral) • Celiprolol (Cordiax)|
|Lipophilic Beta blockers||Propranolol (Inderal) • Metoprolol (Betaloc, Lopressor, Toprol-XL) • Oxprenolol (Trasitensin)|
|Diuretics||Carbonic anhydrase inhibitors||Acetazolamide (Diamox)|
|Loop diuretics||Bumetanide • Etacrynic acid • Furosemide (Lasix) • Piretanide • Torasemide (Demadex)|
|Thiazide diuretics||Chlorothiazide (Diuril) • Hydrochlorothiazide (Esidrex)|
|Thiazide-like diuretics||Chlortalidone (Hygroton) • Indapamide (Lozol, Lozide) • Metolazone|
|Potassium-sparing diuretics|| Epithelial sodium channel blockers: Amiloride (Midamor) • Triamterene (Dyrenium) |
Aldosterone receptor antagonists: Potassium canrenoate • Eplerenone (Inspra) • Spironolactone (Aldactone)
|Combination therapy||Amiloride/Hydrochlorothiazide (Moduretic) • Spironolactone/Hydrochlorothiazide (Aldactazide)|