Drug Facts
Composition & Profile
Identifiers & Packaging
16 HOW SUPPLIED/STORAGE AND HANDLING Enalapril maleate oral solution is a ready-to-use solution that contains 1 mg/mL of enalapril maleate USP. It is a clear, colorless berry flavored solution, packaged in a 150 mL, white, round, high-density polyethylene bottle with a white, polypropylene, child-resistant cap and tamper-evident seal. Each bottle contains 150 mL. Bottle of 150 mL NDC 59651-529-55 Store refrigerated (2° to 8°C/36° to 46°F) in a tightly closed container. Protect from freezing and excessive heat. Patients may store enalapril maleate oral solution at room temperature (20° to 25°C/68° to 77°F) for up to 60 days.; PACKAGE LABEL.PRINCIPAL DISPLAY PANEL - 1 mg/mL (150 mL Container Label) NDC 59651-529-55 Rx only Enalapril Maleate Oral Solution 1mg/mL For Oral Use Only READY TO USE AUROBINDO 150 mL PACKAGE LABEL.PRINCIPAL DISPLAY PANEL - 1 mg/mL (150 mL Container Label); PACKAGE LABEL.PRINCIPAL DISPLAY PANEL - 1 mg/mL (150 mL Container Carton Label) NDC 59651-529-55 Enalapril Maleate Oral Solution 1mg/mL READY TO USE Rx only 150 mL AUROBINDO PACKAGE LABEL.PRINCIPAL DISPLAY PANEL - 1 mg/mL (150 mL Container Carton Label)
- 16 HOW SUPPLIED/STORAGE AND HANDLING Enalapril maleate oral solution is a ready-to-use solution that contains 1 mg/mL of enalapril maleate USP. It is a clear, colorless berry flavored solution, packaged in a 150 mL, white, round, high-density polyethylene bottle with a white, polypropylene, child-resistant cap and tamper-evident seal. Each bottle contains 150 mL. Bottle of 150 mL NDC 59651-529-55 Store refrigerated (2° to 8°C/36° to 46°F) in a tightly closed container. Protect from freezing and excessive heat. Patients may store enalapril maleate oral solution at room temperature (20° to 25°C/68° to 77°F) for up to 60 days.
- PACKAGE LABEL.PRINCIPAL DISPLAY PANEL - 1 mg/mL (150 mL Container Label) NDC 59651-529-55 Rx only Enalapril Maleate Oral Solution 1mg/mL For Oral Use Only READY TO USE AUROBINDO 150 mL PACKAGE LABEL.PRINCIPAL DISPLAY PANEL - 1 mg/mL (150 mL Container Label)
- PACKAGE LABEL.PRINCIPAL DISPLAY PANEL - 1 mg/mL (150 mL Container Carton Label) NDC 59651-529-55 Enalapril Maleate Oral Solution 1mg/mL READY TO USE Rx only 150 mL AUROBINDO PACKAGE LABEL.PRINCIPAL DISPLAY PANEL - 1 mg/mL (150 mL Container Carton Label)
Overview
Enalapril maleate oral solution is the maleate salt of enalapril, the ethyl ester prodrug of a long-acting angiotensin-converting enzyme inhibitor, enalaprilat. Enalapril maleate is chemically described as (S)-1-[N-[1-(ethoxycarbonyl)-3-phenylpropyl]-L-alanyl]-L-proline, (Z)-2-butenedioate salt (1:1). Its molecular formula is C 20 H 28 N 2 O 5 •C 4 H 4 O 4 , and its structural formula is: Enalapril maleate USP is off-white, crystalline powder with a molecular weight of 492.52. It is practically insoluble in n-heptane (non-polar organic solvent), slightly soluble in acetone (semi polar organic solvent), sparingly soluble in water, soluble in alcohol, freely soluble in methanol and dimethyl formamide. Enalapril maleate oral solution is a ready-to-use oral solution. Each 1 mL contains 1 mg of enalapril maleate, USP equivalent to 0.764 mg of enalapril. Inactive ingredients include art red berry flavor, citric acid anhydrous, methylparaben, propylene glycol, propylparaben, purified water, sodium citrate (dihydrate), and sucralose. Enalapril maleate oral solution is clear and colorless. Structure
Indications & Usage
Enalapril maleate is an angiotensin-converting enzyme inhibitor indicated for: treatment of hypertension in adults and children older than one month, to lower blood pressure. Lowering blood pressure reduces the risk of fatal and nonfatal cardiovascular events, primarily strokes and myocardial infarctions. ( 1.1 ) treatment of symptomatic heart failure. ( 1.2 ) treatment of asymptomatic left ventricular dysfunction, to decrease the rate of development of overt heart failure and reduce hospitalization for heart failure. ( 1.3 ) 1.1 Hypertension Enalapril maleate oral solution is indicated for the treatment of hypertension, to lower blood pressure in adults and children older than one month [see Pediatric Use (8.4) and Clinical Studies (14) ]. Lowering blood pressure reduces the risk of fatal and nonfatal cardiovascular events, primarily strokes and myocardial infarctions. These benefits have been seen in controlled trials of antihypertensive drugs from a wide variety of pharmacologic classes including this drug. Control of high blood pressure should be part of comprehensive cardiovascular risk management, including, as appropriate, lipid control, diabetes management, antithrombotic therapy, smoking cessation, exercise, and limited sodium intake. Many patients will require more than one drug to achieve blood pressure goals. For specific advice on goals and management, see published guidelines, such as those of the National High Blood Pressure Education Program’s Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure (JNC). Numerous antihypertensive drugs, from a variety of pharmacologic classes and with different mechanisms of action, have been shown in randomized controlled trials to reduce cardiovascular morbidity and mortality, and it can be concluded that it is blood pressure reduction, and not some other pharmacologic property of the drugs, that is largely responsible for those benefits. The largest and most consistent cardiovascular outcome benefit has been a reduction in the risk of stroke, but reductions in myocardial infarction and cardiovascular mortality also have been seen regularly. Elevated systolic or diastolic pressure causes increased cardiovascular risk, and the absolute risk increase per mmHg is greater at higher blood pressures, so that even modest reductions of severe hypertension can provide substantial benefit. Relative risk reduction from blood pressure reduction is similar across populations with varying absolute risk, so the absolute benefit is greater in patients who are at higher risk independent of their hypertension (for example, patients with diabetes or hyperlipidemia), and such patients would be expected to benefit from more aggressive treatment to a lower blood pressure goal. Some antihypertensive drugs have smaller blood pressure effects (as monotherapy) in Black patients, and many antihypertensive drugs have additional approved indications and effects (e.g., on angina, heart failure, or diabetic kidney disease). These considerations may guide selection of therapy. Enalapril maleate oral solution is effective alone or in combination with other antihypertensive agents, especially thiazide-type diuretics. The blood pressure lowering effects of enalapril maleate oral solution and thiazides are approximately additive. 1.2 Heart Failure Enalapril maleate oral solution is indicated for the treatment of symptomatic heart failure, usually in combination with diuretics and digitalis. In these patients, enalapril maleate oral solution increases survival and decreases the frequency of hospitalization. 1.3 Asymptomatic Left Ventricular Dysfunction In clinically stable asymptomatic patients with left ventricular dysfunction (ejection fraction ≤35 percent), enalapril maleate oral solution decreases the rate of development of overt heart failure and decreases the incidence of hospitalization for heart failure.
Dosage & Administration
Hypertension Adult: recommended initial dose is 5 mg once daily. Maximum dose is 40 mg daily. ( 2.1 ) Pediatrics: recommended starting dose is 0.08 mg/kg (up to 5 mg) once daily. ( 2.1 ) Heart Failure: Initiate at 2.5 mg twice daily. Titrate up to 20 mg twice daily as tolerated. ( 2.2 ) Asymptomatic Left Ventricular Dysfunction: Initiate at 2.5 mg twice daily. Titrate up to 10 mg twice daily. ( 2.3 ) Enalapril maleate oral solution is a ready-to-use solution intended for oral use only. 2.1 Hypertension Adults : The recommended initial dose in adults is 5 mg taken orally once a day. Titrate upward to maximum of 40 mg daily as needed to help achieve blood pressure goals. The dose may be divided and administered twice daily if the antihypertensive effect diminishes at the end of the dosing interval. Use with diuretics: If additional blood pressure reduction is needed, enalapril maleate oral solution may be administered with a low dose of diuretic. The recommended initial dose in patients taking diuretics is 2.5 mg daily. Dosage Adjustment for Renal Impairment: See table below. The dosage may be titrated upward as needed to a maximum of 40 mg daily. Renal Status Creatinine-Clearance mL/min Initial Dose mg/day Normal or Mild Impairment of Renal Function >30 mL/min 5 mg Moderate to Severe Impairment ≤30 mL/min 2.5 mg Dialysis Patients*† – 2.5 mg * = [See Warnings and Precautions (5.2) ]. † = Should be taken after hemodialysis on dialysis days [see Clinical Pharmacology 12.3) ] . Calculated using ideal body weight. Children greater than 1 month of age: The usual recommended starting dose is 0.08 mg/kg (up to 5 mg) once daily. Adjust dose based on blood pressure response. Doses above 0.58 mg/kg (or in excess of 40 mg) have not been studied in pediatric patients [see Clinical Pharmacology (12.3) ] . Enalapril maleate oral solution is not recommended in neonates (i.e., infants 1 month of age or less), preterm infants who have not reached a corrected post-conceptual age of 44 weeks, and in pediatric patients with glomerular filtration rate <30 mL/min/1.73 m 2 . 2.2 Heart Failure The recommended initial dose is 2.5 mg twice a day titrated up to a maximum of 20 mg twice a day, as tolerated. Doses are usually given in combination with diuretics and digitalis. In patients with hyponatremia (serum sodium less than 130 mEq/L) or serum creatinine greater than 1.6 mg/dL, the recommended initial dose is 2.5 mg once daily. Diuretic dose may need to be adjusted to minimize hypovolemia and hypotension. The appearance of hypotension after the initial dose of enalapril maleate oral solution does not preclude subsequent careful dose titration with the drug, following effective management of the hypotension. 2.3 Asymptomatic Left Ventricular Dysfunction The recommended initial dose is 2.5 mg twice a day titrated up to a maximum of 10 mg twice a day, as tolerated. Diuretic dose may need to be adjusted [see Dosage and Administration (2.1) ] .
Warnings & Precautions
Angioedema and Anaphylactoid Reactions. ( 5.2 ) Impaired Renal Function: Assess renal function. ( 5.5 ) Hyperkalemia. ( 5.6 ) 5.1 Fetal Toxicity Use of drugs that act on the renin-angiotensin system during the second and third trimesters of pregnancy reduces fetal renal function and increases fetal and neonatal morbidity and death. Resulting oligohydramnios can be associated with fetal lung hypoplasia and skeletal deformations. Potential neonatal adverse effects include skull hypoplasia, anuria, hypotension, renal failure, and death. When pregnancy is detected, discontinue enalapril maleate as soon as possible [see Use in Specific Populations (8.1) ] . 5.2 Angioedema and Anaphylactoid Reactions Angioedema Head and Neck Angioedema Angioedema of the face, extremities, lips, tongue, glottis and/or larynx, including some fatal reactions, have occurred in patients treated with angiotensin converting enzyme inhibitors, including enalapril maleate, at any time during treatment. Patients with involvement of the tongue, glottis or larynx are likely to experience airway obstruction, especially those with a history of airway surgery. Enalapril maleate should be promptly discontinued and appropriate therapy and monitoring should be provided until complete and sustained resolution of signs and symptoms of angioedema has occurred. Patients with a history of angioedema unrelated to ACE inhibitor therapy may be at increased risk of angioedema while receiving an ACE inhibitor [see Contraindications (4) ] . ACE inhibitors have been associated with a higher rate of angioedema in Black than in non-Black patients. Patients receiving coadministration of ACE inhibitor and mTOR (mammalian target of rapamycin) inhibitor (e.g., temsirolimus, sirolimus, everolimus) therapy or a neprilysin inhibitor may be at increased risk for angioedema [see Drug Interactions (7.6 , 7.7) ]. Intestinal Angioedema Intestinal angioedema has occurred in patients treated with ACE inhibitors. These patients presented with abdominal pain (with or without nausea or vomiting); in some cases there was no prior history of facial angioedema and C-1 esterase levels were normal. In some cases, the angioedema was diagnosed by procedures including abdominal CT scan or ultrasound, or at surgery, and symptoms resolved after stopping the ACE inhibitor. Anaphylactoid Reactions Anaphylactoid Reactions during Desensitization Two patients undergoing desensitizing treatment with hymenoptera venom while receiving ACE inhibitors sustained life-threatening anaphylactoid reactions. Anaphylactoid Reactions during Dialysis Sudden and potentially life-threatening anaphylactoid reactions have occurred in some patients dialyzed with high-flux membranes and treated concomitantly with an ACE inhibitor. In such patients, dialysis must be stopped immediately, and aggressive therapy for anaphylactoid reactions must be initiated. Symptoms have not been relieved by antihistamines in these situations. In these patients, consideration should be given to using a different type of dialysis membrane or a different class of antihypertensive agent. Anaphylactoid reactions have also been reported in patients undergoing low-density lipoprotein apheresis with dextran sulfate absorption. 5.3 Hypotension Enalapril maleate can cause symptomatic hypotension, sometimes complicated by oliguria, progressive azotemia, acute renal failure or death. Patients at risk of excessive hypotension include those with the following conditions or characteristics: heart failure with systolic blood pressure below 100 mmHg, ischemic heart disease, cerebrovascular disease, hyponatremia, high dose diuretic therapy, renal dialysis, or severe volume and/or salt depletion of any etiology. In these patients, enalapril maleate should be started under very close medical supervision and such patients should be followed closely for the first two weeks of treatment and whenever the dose of enalapril maleate and/or diuretic is increased. Symptomatic hypotension is also possible in patients with severe aortic stenosis or hypertrophic cardiomyopathy. Surgery/Anesthesia In patients undergoing major surgery or during anesthesia with agents that produce hypotension, enalapril maleate may block angiotensin II formation secondary to compensatory renin release. If hypotension occurs and is considered to be through this mechanism, it can be corrected by volume expansion. 5.4 Hepatic Failure Rarely, ACE inhibitors have been associated with a syndrome that starts with cholestatic jaundice and progresses to fulminant hepatic necrosis, and (sometimes) death. The mechanism of this syndrome is not understood. Patients receiving ACE inhibitors who develop jaundice or marked elevations of hepatic enzymes should discontinue the ACE inhibitor and receive appropriate medical follow-up. 5.5 Impaired Renal Function Monitor renal function in patients treated with enalapril maleate. Changes in renal function including acute renal failure can be caused by drugs that inhibit the renin-angiotensin system. Patients whose renal function may depend in part on the activity of the renin-angiotensin system (e.g., patients with renal artery stenosis, chronic kidney disease, severe congestive heart failure, post-myocardial infarction or volume depletion) may be at particular risk of developing acute renal failure on enalapril maleate. Consider withholding or discontinuing therapy in patients who develop a clinically significant decrease in renal function on enalapril maleate [see Adverse Reactions (6.2) , Drug Interactions (7.2 , 7.3) ] . 5.6 Hyperkalemia Serum potassium should be monitored in patients receiving enalapril maleate. Drugs that inhibit the renin angiotensin system can cause hyperkalemia. Risk factors for the development of hyperkalemia include renal insufficiency, diabetes mellitus, and the concomitant use of potassium-sparing diuretics, potassium supplements and/or potassium-containing salt substitutes [see Drug Interactions (7.3) ].
Boxed Warning
FETAL TOXICITY When pregnancy is detected, discontinue enalapril maleate as soon as possible. [See Warnings and Precautions (5.1) ] Drugs that act directly on the renin-angiotensin system can cause injury and death to the developing fetus. [See Warnings and Precautions (5.1) ] WARNING: FETAL TOXICITY See full prescribing information for complete boxed warning. When pregnancy is detected, discontinue enalapril maleate as soon as possible. ( 5.1 ) Drugs that act directly on the renin-angiotensin system can cause injury and death to the developing fetus. ( 5.1 )
Contraindications
Enalapril maleate oral solution is contraindicated in patients with: a history of angioedema or hypersensitivity related to previous treatment with an angiotensin converting enzyme (ACE) inhibitor. [see Warnings and Precautions (5.2) ] hereditary or idiopathic angioedema. [see Warnings and Precautions (5.2) ] Do not co-administer aliskiren with enalapril maleate oral solution in patients with diabetes [see Drug Interactions (7.2) ] . Enalapril maleate oral solution is contraindicated in combination with a neprilysin inhibitor (e.g., sacubitril). Do not administer enalapril maleate oral solution within 36 hours of switching to or from sacubitril/valsartan, a neprilysin inhibitor [see Warnings and Precautions (5.2) ] . Hypersensitivity related to previous treatment with an ACEI. ( 4 ) Hereditary or idiopathic angioedema. ( 4 ) Do not co-administer aliskiren in patients with diabetes. ( 4 ) In combination with a neprilysin inhibitor. ( 4 )
Adverse Reactions
The following adverse reactions are described elsewhere: Angioedema [see Warnings and Precautions (5.2) ] Hypotension [see Warnings and Precautions (5.3) ] Hepatic failure [see Warnings and Precautions (5.4) ] Renal impairment [see Warnings and Precautions (5.5) ] Hyperkalemia [see Warnings and Precautions (5.6) ] The most common adverse reaction for patients treated for hypertension (≥3%) was fatigue. ( 6.1 ) The most common adverse reactions for patients treated for heart failure (>6%) were hypotension and dizziness. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Aurobindo Pharma USA, Inc. at 1-866-850-2876 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in clinical practice. Enalapril has been evaluated for safety in more than 10,000 patients, including over 1,000 patients treated for one year or more. In clinical trials, discontinuation of therapy for clinical adverse experiences was required in 3.3% of patients with hypertension and in 5.7% of patients with heart failure. Hypertension Adverse reactions (where rate on enalapril exceeds the rate on placebo by at least 0.2%) occurring in greater than 1% of patients with hypertension treated with enalapril in controlled clinical trials are shown below. In patients treated with enalapril, the maximum duration of therapy was three years; in placebo treated patients, the maximum duration of therapy was 12 weeks. Adverse Reactions Occurring in Greater Than 1% of Patients With Hypertension Enalapril Maleate Tablets (n = 2314) Incidence (discontinuation) Placebo (n = 230) Incidence Body As A Whole Fatigue 3.0 (<0.1) 2.6 Orthostatic Effects 1.2 (<0.1) 0.0 Asthenia 1.1 (0.1) 0.9 Respiratory Cough 1.3 (0.1) 0.9 Skin Rash 1.4 (0.4) 0.4 Heart Failure Adverse reactions seen in clinical trials of heart failure were similar to those seen in clinical trials for hypertension. In patients treated for heart failure, there was an increased incidence of hypotension 6.7 percent versus 0.6 percent in placebo and dizziness 7.9 percent versus 0.6 percent in placebo. 6.2 Other Adverse Reactions from Clinical Studies or Postmarketing Experience The following adverse reactions have been reported in clinical studies or postmarketing experience with enalapril. Because some of these reactions were reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Other serious clinical adverse experiences occurring since the drug was marketed or adverse experiences occurring in 0.5 to 1.0% of patients with hypertension or heart failure in clinical trials are listed below and, within each category, are in order of decreasing severity. Cardiovascular: Cardiac arrest; myocardial infarction or cerebrovascular accident, possibly secondary to excessive hypotension in high risk patients [see Warnings and Precautions (5.3) ] ; pulmonary embolism and infarction; pulmonary edema; rhythm disturbances, including atrial tachycardia and bradycardia; atrial fibrillation; palpitation; Raynaud's phenomenon. Digestive: Ileus, pancreatitis, melena, anorexia, dyspepsia, constipation, glossitis, stomatitis, dry mouth. Hematologic: Rare cases of neutropenia, thrombocytopenia, and bone marrow depression. Musculoskeletal: Muscle cramps. Nervous/Psychiatric: Depression, confusion, ataxia, somnolence, insomnia, nervousness, peripheral neuropathy (e.g., paresthesia, dysesthesia), dream abnormality. Respiratory: Bronchospasm, rhinorrhea, sore throat and hoarseness, asthma, upper respiratory infection, pulmonary infiltrates, eosinophilic pneumonitis. Skin: Exfoliative dermatitis, toxic epidermal necrolysis, Stevens-Johnson syndrome, pemphigus, herpes zoster, erythema multiforme, urticaria, pruritus, alopecia, flushing, diaphoresis, photosensitivity. Special Senses: Blurred vision, taste alteration, anosmia, tinnitus, conjunctivitis, dry eyes, tearing. Urogenital: Flank pain, gynecomastia, impotence. Miscellaneous: A symptom complex has been reported which may include some or all of the following: a positive ANA, an elevated erythrocyte sedimentation rate, arthralgia/arthritis, myalgia/myositis, fever, serositis, vasculitis, leukocytosis, eosinophilia, photosensitivity, dermatologic manifestations.
Drug Interactions
In patients who are elderly, volume-depleted (as on diuretic therapy), or with compromised renal function, use with NSAIDs, including selective COX-2 inhibitors, may result in deterioration of renal function, including renal failure. Monitor renal function periodically. ( 7.1 ) Dual inhibition of the renin-angiotensin system: Increased risk of renal impairment, hypotension and hyperkalemia. ( 7.2 ) Avoid potassium sparing agents in patients with heart failure. ( 7.3 ) Monitor serum lithium levels frequently. ( 7.4 ) 7.1 Non-Steroidal Anti-Inflammatory Agents (NSAIDs) Including Selective Cyclooxygenase-2 Inhibitors (COX-2 Inhibitors) In patients who are elderly, volume-depleted (including those on diuretic therapy), or with compromised renal function, co-administration of NSAIDs, including selective COX-2 inhibitors, with ACE inhibitors, including enalapril, may result in deterioration of renal function, including possible acute renal failure. These effects are usually reversible. Monitor renal function periodically in patients receiving enalapril and NSAID therapy. In a clinical pharmacology study, indomethacin or sulindac was administered to hypertensive patients receiving enalapril maleate. In this study, there was no evidence of a blunting of the antihypertensive action of enalapril maleate. However, reports suggest that NSAIDs may diminish the antihypertensive effect of ACE inhibitors. 7.2 Dual Blockade of the Renin-Angiotensin System (RAS) Dual blockade of the RAS with angiotensin receptor blockers, ACE inhibitors, or aliskiren is associated with increased risks of hypotension, hyperkalemia, and changes in renal function (including acute renal failure) compared to monotherapy. In most patients no benefit has been associated with using two RAS inhibitors concomitantly. In general, avoid combined use of RAS inhibitors. Closely monitor blood pressure, renal function and electrolytes in patients on enalapril maleate and other agents that affect the RAS. Do not co-administer aliskiren with enalapril maleate in patients with diabetes. Avoid use of aliskiren with enalapril maleate in patients with renal impairment (GFR <60 mL/min). 7.3 Agents Increasing Serum Potassium Enalapril maleate attenuates potassium loss caused by thiazide-type diuretics. Potassium-sparing diuretics (e.g., spironolactone, triamterene, or amiloride), potassium supplements, or potassium-containing salt substitutes may lead to significant increases in serum potassium. 7.4 Lithium Lithium toxicity has been reported in patients receiving enalapril and lithium concomitantly which was generally reversible. It is recommended that serum lithium levels be monitored frequently if enalapril is administered concomitantly with lithium. 7.5 Gold Nitritoid reactions (symptoms include facial flushing, nausea, vomiting, and hypotension) have been reported rarely in patients on therapy with injectable gold (sodium aurothiomalate) and concomitant ACE inhibitor therapy including enalapril. 7.6 mTOR Inhibitors Patients taking concomitant mTOR inhibitor (e.g., temsirolimus, sirolimus, everolimus) therapy may be at increased risk for angioedema [see Warnings and Precautions (5.2) ]. 7.7 Neprilysin Inhibitor Patients taking concomitant neprilysin inhibitors may be at increased risk for angioedema [see Warnings and Precautions (5.2) ].
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