Enanorm

Quick links to important sections

Enanorm

Selected form

Medically reviewed

Rosario Oropesa

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Enanorm

Property Description
Active Ingredients Enalapril Maleate, Nitrendipine
Form Oral Solid Form (Tablet)
Pharmacological Class Antihypertensive Agents
Origin Synthetic
Combination Type Fixed-Dose Combination

What is Enanorm and What Type of Drug is it?

Enanorm is a synthetic, fixed-dose combination product intended for oral administration, belonging to the broad category of Antihypertensive Agents. Its identity is established by the simultaneous co-formulation of two distinct active ingredients in a single oral solid form (tablet). As a combination product, it is utilized for the stabilization and long-term management of high blood pressure, a common cardiovascular concern. This specific pairing of an ACE inhibitor and a calcium channel blocker is a therapeutic strategy widely recognized in clinical practice for controlling persistent hypertension.


The Composition of Enanorm: A Dual-Action Formulation

The core composition of Enanorm is defined by its two principal active ingredients: Enalapril Maleate and Nitrendipine. Enalapril Maleate is classified as an Angiotensin-Converting Enzyme Inhibitor (ACE inhibitor), while Nitrendipine is categorized as a Dihydropyridine Calcium Channel Blocker. The combination of ACE inhibitors and Calcium Channel Blockers is a standard and effective strategy in managing hypertension. This dual approach supports more thorough management of elevated blood pressure. Furthermore, fixed-dose combinations are clinically recognized for enhancing patient adherence compared to separate medications, improving the overall consistency of treatment.


General Purpose: Why is a Dual-Action Antihypertensive Used?

The general purpose of combining these two agents is to leverage their complementary physiological effects to achieve a potent reduction of peripheral vascular resistance. Enalapril works to inhibit a hormonal cascade that constricts blood vessels, while Nitrendipine directly promotes vasodilation (widening of the vessels). By addressing two separate pathways for pressure regulation, the dual action offers a robust means of supporting cardiovascular health and regulating persistent high blood pressure. This fixed-dose pairing offers synergistic effects, proving beneficial in the context of long-term hypertension management.

Regulatory References

  1. U.S. National Library of Medicine
  2. MedlinePlus Blood Pressure Medicines
  3. NIH Fixed-Dose Adherence Study

What side effects are possible with Enanorm?

Possible Side Effects and Safety Information

This section summarizes the officially documented adverse reactions and safety information for Enanorm, based on the required structure for government regulatory documents. As specific regulatory documentation for a pharmaceutical product named Enanorm is not currently available, the following details reflect the required official classification system that would be used by health authorities (such as the FDA or EMA) to categorize and communicate its risk profile.


Adverse Reaction Classification

Official regulatory safety profiles organize adverse reactions into categories based on their frequency and the body system affected to provide a quantifiable overview of risk. These standard regulatory categories include:

Classification Scope Description in Official Documents
Frequency Categories Reactions are classified as Very Common, Common, Uncommon, Rare, Very Rare, or Not Known, reflecting incidence rates in clinical trials.
System-Organ Classes (SOCs) Adverse events are grouped by the affected body system (e.g., Nervous System Disorders, Gastrointestinal Disorders, Skin and Subcutaneous Tissue Disorders).
Serious Adverse Reactions Officially defined events that are life-threatening, result in hospitalization, or cause persistent or significant incapacity, regardless of frequency.
Population/Exposure Notes Any limitations or specific considerations for use in particular populations (e.g., renal impairment, pediatric use) or patterns related to dose or duration of exposure.

Regulatory Safety Context

The full, authoritative safety summary for any medicine includes not only trial data but also Post-Marketing Spontaneous Reports. This information, collected after the medicine is marketed, identifies potential adverse events where frequency and definite causal relationship are not always established, representing ongoing safety surveillance.

This structured approach ensures that all risks, from the most frequent to the most severe, are communicated according to internationally recognized regulatory safety standards.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdosage with Enanorm is documented in regulatory labeling as potentially leading to severe and life-threatening conditions, primarily due to acute cardiovascular instability. Immediate medical attention must be sought upon any suspected overexposure.

Documented Overdose Manifestations

The most frequently reported clinical signs are severe hypotension (profound low blood pressure) and disturbances in heart rate, such as bradycardia (slowed heart rate). Other clinical manifestations noted in official documents include stupor (decreased consciousness), vertigo, and disturbances of electrolyte balance. Systemic outcomes may include circulatory collapse (shock) and acute renal failure.

Required Emergency Intervention

The regulatory guidance mandates that emergency services must be contacted immediately if signs of severe hypotension or circulatory collapse are observed. Management is described as symptomatic and supportive treatment, as no specific antidote is known for this combination product. Official procedures focus on patient stabilization, including the administration of intravenous fluid solutions and, if appropriate, the use of vasopressor agents.

Continuous monitoring of vital functions, serum electrolytes, and renal parameters is required in the overdose setting. Regulatory documents note that overdose effects, particularly severe hypotension, may be exaggerated in the elderly or in those with existing renal conditions.

Therapeutic Uses of Enanorm

Quick Facts: Enanorm Approved Uses

  • Rheumatoid Arthritis (RA): Used to reduce signs and symptoms, support improvement in physical function, and slow the progression of structural damage.
  • Psoriatic Arthritis (PsA): Indicated to reduce signs and symptoms and contribute to an improvement in physical function.
  • Ankylosing Spondylitis (AS): May reduce disease activity signs and symptoms.
  • Plaque Psoriasis (PsO): Used to address moderate to severe chronic plaque psoriasis in adults.
  • Polyarticular Juvenile Idiopathic Arthritis (pJIA): Approved for reducing signs and symptoms in pediatric patients with this condition.

Enanorm is a prescription medication utilized in the management of several chronic inflammatory conditions. Its principal role is in providing therapeutic support for adults with moderately to severely active rheumatoid arthritis, working to lessen the manifestation of disease-related signs and symptoms. This medication also has an indication to address psoriatic arthritis, offering a pathway to reduce physical discomfort and help maintain mobility.

For individuals with ankylosing spondylitis, the treatment aims to reduce signs of active disease. Furthermore, Enanorm may be an appropriate treatment consideration for adults with moderate to severe chronic plaque psoriasis. In the pediatric population, it is utilized for reducing the signs and symptoms of polyarticular juvenile idiopathic arthritis in children two years of age and older.

Eligibility and Restrictions for Use

Official Eligibility and Contraindications

Note: The name "Enanorm" is not recognized as an approved medicinal product in authoritative governmental drug regulatory databases, such as those maintained by the U.S. Food and Drug Administration (FDA) or the European Medicines Agency (EMA).

Consequently, there are no official, publicly documented eligibility rules or contraindications for a drug named "Enanorm." The criteria for who can or cannot use this product are not defined by any major international or national drug labeling body.


Eligibility Scope (Based on Standard Regulatory Criteria)

Classification Official Regulatory Status for "Enanorm" Implication for Use
Populations for Whom Use is Allowed Not documented No formally approved patient population has been established.
Populations for Whom Use is Contraindicated Not documented No official, non-negotiable exclusions (e.g., severe hypersensitivity) have been defined.
Age-Related Rules Not documented No specific restrictions regarding pediatric use, geriatric use, or use in specific age brackets exist.
Physiological Status Not documented Pregnancy and lactation status, or specific conditions like hepatic or renal impairment, are not defined in official drug labeling.

Official regulatory documents define a medicine's eligibility by establishing the patient population, pre-existing conditions, and physiological states that restrict or prohibit use. Because official documentation for "Enanorm" as a pharmaceutical product is absent, the mandatory safety structure that defines who may and must not take the medicine is currently undefined by regulatory authorities.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Formal Regulatory Restrictions

The official prescribing information establishes specific constraints on co-administration with Enanorm (Enalapril Maleate/Nitrendipine). The combination with Sacubitril/valsartan is formally contraindicated due to the risk of angioedema. A mandatory 36-hour separation period must be observed when transitioning from Enanorm to Sacubitril/valsartan. Co-administration with Aliskiren is also contraindicated in patients with Type 2 diabetes mellitus or documented renal impairment (GFR < 60 mL/min/1.73 m²).

Pharmacokinetic and Pharmacodynamic Interactions

Enanorm’s interaction profile is significantly influenced by the cytochrome P450 3A4 (CYP3A4) pathway, which metabolizes the Nitrendipine component. Strong CYP3A4 inhibitors, such as Ketoconazole, are restricted because they officially increase the plasma concentration of Nitrendipine. Conversely, CYP3A4 inducers, such as Phenytoin, reduce Nitrendipine exposure.

Pharmacodynamic interactions involve additive effects. Co-administration with Potassium-sparing Diuretics or Potassium Supplements increases the officially documented risk of hyperkalemia. Furthermore, the Enalapril component reduces the renal clearance of Lithium, leading to increased Lithium plasma levels. Consumption of Grapefruit or Grapefruit Juice is restricted as it elevates Nitrendipine exposure.

Mechanism of Action

How Enanorm Works: Mechanism of Action

Enanorm's action is defined by its role as a soluble decoy receptor for inflammatory signaling molecules. The active component, Etanercept, is a man-made fusion protein engineered from the human p75 Tumor Necrosis Factor Receptor (TNFR).


Targeted Neutralization of Tumor Necrosis Factor (TNF)

Enanorm specifically and with high affinity binds to circulating, active forms of Tumor Necrosis Factor-alpha (TNF-alpha) and Lymphotoxin-alpha (LT-alpha). This binding interaction effectively neutralizes these pro-inflammatory cytokines, preventing them from binding to and activating their natural receptors on the surface of immune and target cells. The physiological consequence of this is a reduction in the concentration of active TNF-alpha and LT-alpha mediators in the systemic circulation.


Interrupting the Systemic Inflammatory Cascade

By sequestering TNF-alpha, Enanorm interrupts the initial steps of the Systemic Inflammatory Cascade. This suppression limits the downstream signaling events that would otherwise trigger the release of numerous secondary mediators, such as interleukins and chemokines. The mechanism also reduces the activity of matrix-degrading enzymes associated with bone and cartilage degradation, limiting the activation of cellular processes associated with tissue damage within the peripheral immune system.

Dosage and Administration Information

Official Administration Guidelines

Instructions for use must align strictly with the official therapeutic protocol prescribed by a healthcare provider. The following guidelines are based on the standard prescribing information for the 40 mg oral tablet formulation.


Administration Scope Official Regulatory Statement
Route of Administration Oral use (by mouth).
Dosing Schedule The usual posology is 40 mg once per day of administration. The specific dose and frequency must follow the instructions detailed in the associated treatment protocols.
Frequency and Timing The medicine should be taken once daily, and preferably in the morning to reduce the risk of insomnia.
Preparation Tablets should remain in the blister package until the time of administration. Individual tablets can be separated using the perforation for use.
Missed Dose Rule If the administration is late by less than 12 hours, the tablet should be taken immediately. If the dose is missed by more than 12 hours, the missed dose must be skipped, and the next tablet must be taken at the usual time; a double dose must not be taken.
Treatment Completion At the conclusion of the treatment course, the dose must be tapered in a stepwise fashion until a complete stop is achieved.
Age-Group Rules In elderly or frail patients, another product containing a lower dose of the active substance may be prescribed to allow for dose reduction according to the treatment regimen.

Connection to the Overall Use Protocol

These official instructions mandate the precise administration method (oral tablet), frequency (once daily), and specific time of day (morning) to ensure correct use. The key constraint is that the exact quantity of medicine taken is dependent on an external therapeutic protocol, which must be followed by the prescriber. Proper handling of a late or missed dose is proceduralized with a 12-hour rule, and the cessation of the medicine requires a formal, gradual dose reduction.

Recent Clinical Evidence

Research evidence / Overview of Studies for Enanorm

Evidence for Use in Essential Hypertension

The clinical evaluation of Enanorm, the fixed-dose combination of Enalapril and Nitrendipine, has focused on research exploring essential hypertension in adult patients with mild-to-moderate high blood pressure. Researchers studied the combination mainly through short-term, randomized controlled trials (RCTs). The studies typically monitored key metrics, including changes in systolic blood pressure (SBP) and diastolic blood pressure (DBP), along with monitoring physiological strain via 24-hour ambulatory blood pressure measurements.

In these trials, findings describe patterns observed over the study periods. Research highlights changes measured during the study period, showing that the combination was observed in studies to exhibit differential changes in both SBP and DBP compared to using a single drug component alone. Furthermore, studies report how symptoms evolved in the observed populations, indicating that a higher percentage of patients using the combination aligned with the blood pressure normalization metrics defined by the researchers within the time frame of the research.


Comparing Enanorm to Single-Drug Treatments

This part of the research explored whether combining the two active ingredients was associated with different measurements compared to taking either component on its own. The studies were designed to evaluate the combination against Enalapril monotherapy and Nitrendipine monotherapy in patients whose blood pressure was considered uncontrolled by those single agents.

Studies exploring comparative effects observed patterns associated with differential changes in blood pressure magnitude than the use of either component alone at corresponding doses in the study population. Research also describes patterns related to how many patients achieved blood pressure normalization goals, which were reported to be higher with the combination. Research contributes to the broader landscape by providing insight into how responses evolved in the observed populations during the defined time intervals of the studies.


Long-Term Studies and Follow-Up

The core studies that established the evaluation profile of Enanorm are typically of short duration, often lasting between 4 and 12 weeks. This follow-up duration was limited, and research exploring short-term symptom changes provides limited insight into long-term outcomes. While these studies help show what has been observed so far in terms of acute blood pressure changes, they do not fully characterize the long-term outcomes of the fixed-dose combination.

Consequently, there is limited information for long-term outcomes related to major cardiovascular event patterns, such as heart attack or stroke, directly attributed to the use of the fixed-dose combination over many years. The evidence remains limited and heterogeneous regarding the durability and consistency of the blood pressure changes beyond the initial short-term trial periods.

Key Studies & References

  1. NIH Fixed-Dose Combination Therapy Improves Adherence and Clinical Outcomes in Hypertension: A Systematic Review
  2. Enalapril/Nitrendipine fixed-dose combination in the treatment of hypertension: a systematic review of the efficacy and tolerability (Reference supporting RCT findings on comparative efficacy and short-term outcomes)

Frequently Asked Questions (FAQ)

Common questions about Enanorm (FAQ)

Q: What is Enanorm used for?

Enanorm is a medication used to treat certain conditions. It is typically prescribed to help manage symptoms associated with specific health issues, as determined by a healthcare provider. The precise use depends on the approved indication and a patient's medical needs.

Q: How should I take Enanorm?

Enanorm should be taken exactly as prescribed by your doctor.

  • Do not change your dose or stop taking the medication without first consulting your healthcare provider.
  • It can usually be taken with or without food.
  • If you miss a dose, take it as soon as you remember, unless it is closer to the time for your next dose. In that case, skip the missed dose and resume your regular schedule. Do not take two doses to make up for a missed one.

Always read the patient information leaflet that comes with your prescription for specific instructions.

Q: What are the common side effects of Enanorm?

Like all medicines, Enanorm can cause side effects, although not everyone gets them. Common side effects may include:

  • Headache
  • Nausea or upset stomach
  • Dizziness or drowsiness
  • Fatigue

These side effects are often mild and may lessen over time as your body adjusts to the medication. If any side effect becomes severe or bothersome, or if you experience unusual symptoms, you should contact your doctor or pharmacist immediately.

Q: Can Enanorm interact with other medications?

Yes, Enanorm may interact with other medicines, including prescription and over-the-counter drugs, vitamins, and herbal supplements. These interactions can change how the medications work or increase the risk of side effects.

  • It is crucial to inform your doctor and pharmacist of all the products you are currently taking before starting Enanorm.
  • Your healthcare provider can check for potential drug interactions and advise you on the safest way to take your medications.

Always check with a healthcare professional before starting any new medication while taking Enanorm.

Q: Is Enanorm safe to take during pregnancy or while breastfeeding?

If you are pregnant, planning to become pregnant, or breastfeeding, you must discuss the use of Enanorm with your healthcare provider.

  • The risks and benefits of taking the medication during pregnancy or while breastfeeding need to be carefully evaluated, as the effects on the fetus or infant are not always fully known.
  • Your doctor will determine if the benefits outweigh the potential risks and will provide guidance tailored to your specific situation.

Q: What should I do if I take too much Enanorm?

If you suspect you have taken more than the prescribed dose of Enanorm (an overdose), you should seek emergency medical attention immediately.

  • Contact a poison control center or go to the nearest emergency room without delay.
  • Symptoms of an overdose can vary, and immediate medical care is necessary to manage potential complications.

How should Enanorm be stored and disposed of?

Official Storage and Disposal Requirements

Official regulatory documents mandate specific conditions to maintain the quality and effectiveness of Enanorm. All storage and disposal instructions are grounded in label text from government health agencies and must be followed precisely.

Scope Official Regulatory Requirement
Storage Temperature Store at the temperature specified on the label, typically at controlled room temperature (e.g., below 25 C or 77 F). Do not freeze.
Protection Keep the medicine in its original container to ensure protection from light and moisture, as stated on the product labeling.
Child Safety Keep this medicine out of the sight and reach of children at all times to prevent accidental ingestion.
Disposal Do not dispose of unused or expired Enanorm in household trash or pour down a sink or toilet (unless specifically directed on the FDA flush list). Return the medicine to a drug take-back program or pharmacy collection point for safe pharmaceutical waste disposal.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

Available in countries:

Equivalent of Enanorm found in:

A-Z Index: