Repaglinide EG

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Repaglinide EG

Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Repaglinide EG

This section provides a concise overview of Repaglinide EG, detailing its fundamental identity, composition, and general therapeutic purpose, strictly avoiding information related to dosage, administration, or safety.


Quick Facts

Property Description
Active ingredient Repaglinide
Form Tablets (Oral solid dosage form)
Pharmacological class Oral Antidiabetic Agent (Meglitinide derivative)
Common use Management of Type 2 diabetes mellitus
Origin Synthetic derivative

Defining Repaglinide EG: Classification and Origin

Repaglinide EG is an oral antidiabetic agent containing the active substance, Repaglinide, which is chemically classified as a meglitinide derivative belonging to the secretagogue class of medicines. The substance Repaglinide is a synthetic derivative and is recognized as a non-sulfonylurea secretagogue. This class distinction is clinically recognized for providing a rapid means of blood sugar control compared to agents with prolonged systemic action. The Repaglinide EG preparation specifically is a widely available brand containing the exact same active ingredient, making it a common generic option for adult patients.

Active Composition and General Purpose

The medicine is supplied as an oral solid dosage form—specifically, tablets—intended for ingestion via the oral route of administration. Repaglinide is the single active ingredient in this product, combined with necessary pharmaceutical excipients.

The overarching objective of Repaglinide EG is to assist in the comprehensive management of Type 2 diabetes mellitus in adults. Repaglinide works by binding to beta cells of the pancreas to stimulate insulin release. Due to its profile, Repaglinide is typically used to manage the rapid increase in blood sugar that occurs specifically after meals, a function supported by pharmacological studies regarding its short duration of action, thereby contributing to improved glycemic control.

Regulatory References

  1. European Medicines Agency (EMA)

What side effects are possible with Repaglinide EG?

Possible Side Effects and Safety Information

The safety profile of Repaglinide EG, which contains the active substance Repaglinide, is established through clinical data and regulatory documentation. Adverse reactions are formally classified by their frequency and the system or organ affected.

Frequency-Classified Adverse Reactions

The most commonly reported adverse event associated with Repaglinide is hypoglycaemia (low blood sugar), which is classified as Very Common in regulatory documents. Other adverse reactions are categorized based on their incidence:

Frequency Classification System/Organ Class (SOC) Examples of Reactions
Very Common Metabolism and Nutrition Disorders Hypoglycaemia
Common Gastrointestinal Disorders, Nervous System Disorders Abdominal pain, Diarrhoea, Headache
Uncommon Cardiovascular Disorders Acute Coronary Syndrome
Rare Hepatobiliary Disorders Hepatic function abnormal, Increased liver enzymes
Not Known Immune System Disorders, Metabolism and Nutrition Disorders Generalized allergic reactions, Hypoglycaemic coma

Serious Safety Considerations

The principal safety risk documented is Severe Hypoglycaemia, which can progress to serious outcomes like hypoglycaemic coma or unconsciousness. Furthermore, Repaglinide is subject to specific regulatory constraints. Use is contraindicated in patients with known hypersensitivity to the active substance and those with severe hepatic impairment due to the drug's primary clearance route. Concomitant use with gemfibrozil is also formally contraindicated due to the potential for severe hypoglycemia. Specific safety notes exist for certain populations: Repaglinide is not recommended for use in individuals over 75 years of age in some regulatory contexts, and caution is advised when dosing for patients with severe renal impairment.

Overdose and Emergency Response

Overdose and when to seek help

The official overdose profile for Repaglinide EG is defined by the risk of severe hypoglycemia (abnormally low blood glucose), which is an exaggerated extension of the drug's intended effect. Regulatory sources mandate specific emergency actions due to the potential for life-threatening complications.


Documented Overdose Manifestations

Overdose may present with signs of hypoglycemia, including drowsiness, confusion, agitation, profuse sweating, tachycardia (fast heart rate), and abdominal pain.

Severe or prolonged hypoglycemia is officially associated with the risk of major Central Nervous System complications, such as seizures and coma. Regulatory documents specify that severe hypoglycemia may be life-threatening.


Required Emergency Actions

Immediate medical attention and hospitalization are required for any suspected overdose or when severe hypoglycemic signs are present, particularly those involving neurological impairment. The primary management is symptomatic and supportive, focused on immediately correcting the blood glucose deficit.

Management procedures described in regulatory sources include the use of oral glucose for mild cases or intravenous dextrose and Glucagon injection for severe or unresponsive cases. Even after successful initial treatment, extended observation for at least 24 hours is required to monitor for and prevent the documented risk of rebound or prolonged hypoglycemia.

Therapeutic Uses of Repaglinide EG

Quick Facts

  • Type 2 Diabetes: May assist in improving blood glucose control.
  • Primary Use: Helps manage high blood sugar levels in adults.
  • Adjunctive Therapy: Used alongside a regimen of diet and regular exercise.

Repaglinide EG is a prescribed medication used in adults to help manage type 2 diabetes mellitus. This treatment is generally initiated when a patient's blood glucose levels remain high despite following a dietary regimen, weight management, and physical activity plan.

The core benefit of Repaglinide EG is its use as an adjunct to diet and exercise to improve overall glycemic control. By helping the body regulate the amount of glucose in the blood, it may assist in achieving target blood sugar levels. This medication can be used as a standalone therapy or, in some cases, in combination with other anti-diabetic medications, such as metformin, when single-drug therapy does not sufficiently control blood glucose levels.

Regulatory References

  1. EMA therapeutic overview

Eligibility and Restrictions for Use

Who Can and Cannot Use Repaglinide EG?

Repaglinide EG is officially approved for use only in adults with Type 2 Diabetes Mellitus whose blood glucose levels are inadequately controlled by diet, weight management, and exercise alone. Eligibility for this medication is defined by strict regulatory criteria.


Absolute Contraindications

The medicine must not be used by individuals with the following conditions, as stated in regulatory labeling:

  • Type 1 Diabetes Mellitus or Diabetic ketoacidosis.
  • Severe hepatic function disorder (severe liver impairment).
  • Known hypersensitivity to Repaglinide or any ingredient in the tablet.
  • Concomitant use with the medication Gemfibrozil.

Population Restrictions

Population Group Eligibility Status (Regulatory Statement)
Pediatric (Under 18) Safety and efficacy have not been established; use is not recommended.
Older Adults (Over 75) Use is not recommended due to a lack of clinical study data.
Pregnancy/Lactation Should be avoided during pregnancy; use not recommended during lactation.
Severe Renal Impairment Use is restricted and requires cautious initiation at the lowest dose.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents define the interaction profile of Repaglinide EG around strict restrictions and pharmacokinetic alterations involving other substances.

Contraindicated Combinations

Co-administration with Gemfibrozil is formally contraindicated due to a pharmacokinetic interaction that substantially increases Repaglinide plasma exposure, leading to a high risk of severe hypoglycemia. Combination use with NPH-insulin is not indicated due to reported serious cardiovascular adverse reactions.

Exposure-Altering Drug Classes

The medicine is a substrate for the metabolic enzymes CYP2C8 and CYP3A4, and the hepatic uptake transporter OATP1B1. Therefore, co-administration with strong inhibitors of these pathways (e.g., Cyclosporine, Trimethoprim) increases Repaglinide concentrations. Conversely, co-administration with inducers (e.g., Rifampin) decreases exposure. These interactions require specific Repaglinide dose adjustments and intensified blood glucose monitoring, as mandated in labeling.

Pharmacodynamic and Substance Interactions

Pharmacodynamic synergism exists with other antidiabetic agents, which adds to the glucose-lowering effect and increases the risk of hypoglycemia. Beta-blockers are documented to potentially mask the physical signs of hypoglycemia, requiring increased monitoring. Alcohol may interfere with blood glucose control and should be used with caution.

Population Restriction

Severe hepatic impairment is a contraindication as reduced clearance can lead to toxic Repaglinide concentrations and severe hypoglycemia risk.

Mechanism of Action

How Repaglinide EG Works

Repaglinide acts as a short-acting secretagogue by directly engaging the molecular machinery within the insulin-producing β-cells of the pancreas. Its mechanism is highly localized and dictates its rapid physiological effect.


Targeting the K ATP Ion Channels

The active ingredient works by inhibiting the ATP-sensitive potassium channels ( K ATP) on the β-cell membrane, specifically by binding to the SUR1 subunit. This molecular interaction blocks the efflux of potassium ions ( K^+), which immediately leads to membrane depolarization of the cell. This initial electrical event initiates the subsequent signaling cascade.


Driving the Calcium-Mediated Secretory Cascade

The depolarization forces the opening of voltage-gated calcium channels, causing a rapid influx of calcium ions ( Ca^2+) into the cell. The heightened internal Ca^2+ concentration is the final chemical signal that directly triggers the exocytosis of pre-formed insulin granules. This precise sequence promotes a rapid early-phase insulin release, consistent with the drug's short duration of action. The mechanism's operation requires the presence of functioning β-cells and is potentiated by existing glucose concentrations.

Dosage and Administration Information

How to Use Repaglinide EG

Repaglinide EG tablets are administered via the oral route and are intended for a highly flexible, meal-dependent dosing schedule. The instructions for use emphasize timing and individual dose titration based on a patient's meal habits and blood glucose response.

Dosing and Administration Protocol

Element Instruction
Route of Administration Oral.
Dosing Schedule The standard starting dose is generally 0.5 mg before each main meal. For patients with higher HbA1c levels, the initial dose may be 1 mg or 2 mg before each main meal. The approved dose range is 0.5 mg to 4 mg per meal.
Dosing Frequency The medicine may be dosed 2, 3, or 4 times a day corresponding directly to the number of main meals eaten.
Timing in Relation to Meals Doses must be taken pre-prandially (before meals). Administration is typically within 15 minutes of the meal, but may range from immediately preceding to up to 30 minutes before the meal.

Procedural and Population-Specific Guidelines

  • Dose Titration: Dosage adjustments should be made gradually, with a minimum of one week allowed between any changes to the dose to assess the patient's response. The maximum total daily dose is 16 mg.
  • Missed Meals: Patients must skip the scheduled dose of the medicine if a meal is skipped. Conversely, if an extra main meal is added, an extra dose may be taken for that meal.
  • Severe Renal Impairment: For patients with severe renal impairment (Creatinine Clearance, CrCl = 20-40 mL/min), a lower initial dose of 0.5 mg before each meal is recommended, and the dose should be titrated slowly and carefully.

This structured approach ensures the medication's use is directly synchronized with the patient's caloric intake and adheres to defined limits.

Recent Clinical Evidence

Research evidence / Overview of Studies for Repaglinide EG

Evidence for Use in Managing Type 2 Diabetes Mellitus

Research has explored Repaglinide EG in studies examining Type 2 diabetes mellitus in adults. The foundational evidence relies on Randomized Controlled Trials (RCTs). These studies monitored blood sugar markers observed over defined time intervals, examining key outcomes related to systemic imbalance, such as Glycated Hemoglobin (HbA1c) and Fasting Blood Glucose (FBG). The research also examined markers related to episodic blood sugar changes, including levels measured immediately after meals (postprandial glucose). Findings describe patterns related to these glucose markers. Research evaluated the medication's observation in monotherapy and in combination with other anti-diabetic agents in patients whose blood sugar was inadequately controlled by diet and exercise alone.

Research Exploring Repaglinide EG in Relation to Other Therapies

This part outlines the comparative studies that have been conducted against a placebo or other established oral anti-diabetic agents in populations where blood sugar levels were not adequately managed. Data show patterns related to the monitored blood sugar markers when Repaglinide EG was observed instead of or alongside other studied agents. Research highlights changes measured during the study period, but comparative evidence is limited regarding long-term outcomes.

Long-Term Studies and Durability of Response

Clinical research includes trials with follow-up durations that are often short-term (lasting a few weeks) or intermediate-term (extending up to one year). Long-term outcomes have not been fully established in studies that directly explored it alongside other oral anti-diabetic agents. Research describes that the data show patterns related to a potential decline in observed blood sugar patterns over time, a concept observed in some studies.

Evidence in Special Populations and Subgroups

Research examined Repaglinide EG in various patient subgroups, including studies focused on elderly patients (individuals 65 years of age and older). These subgroup analyses describe short-term changes for these specific populations. However, data for the pediatric populations remain insufficient. Regulators waived required studies for this group, which would have needed many years of follow-up.

What Remains Less Clear in the Research Landscape

Several limitations restrict the scope of conclusions. Long-term effects are not fully established. Research also examined potential outcomes related to cardiovascular events over decades of use. Follow-up durations were limited across many key comparative studies. Research provides context but not individual predictions about whether a patient will respond similarly to the group patterns reported in the studies. Comparative evidence is also lacking for certain complex clinical scenarios.

Frequently Asked Questions (FAQ)

Common questions about Repaglinide EG (FAQ)

Q: How does Repaglinide EG work differently from other oral diabetes medicines?

A: Official information describes Repaglinide EG as a short-acting insulin secretagogue. Its specific mechanism is designed to stimulate a rapid release of insulin from the pancreas in close response to a meal. This action provides an effect that is rapid and aligns closely with mealtimes.

Q: Is Repaglinide EG the generic version of a brand-name drug, such as Prandin?

A: Repaglinide is the active ingredient and is the generic name for the medicine. The original brand-name product containing Repaglinide, as referenced in FDA documents, is Prandin. Repaglinide EG is a generic product containing the same active substance.

Q: What should be done about the dose if I eat an extra meal on a given day?

A: According to official product information, if an individual adds an extra main meal to their routine on a given day, they are instructed to add a corresponding dose of the medication for that meal. The dosing schedule is intended to match the number of main meals consumed.

Q: What are the most common non-hypoglycemia side effects of Repaglinide EG?

A: Aside from the primary safety concern of low blood sugar, official documents list other reactions that are commonly reported. These common adverse reactions include gastrointestinal issues such as abdominal pain and diarrhea, as well as headache.

Q: Are there any rare but serious side effects associated with Repaglinide EG?

A: Regulatory documents have recorded adverse reactions classified as uncommon or rare. These include outcomes such as Acute Coronary Syndrome and certain effects on the liver, like hepatic function abnormal or increased liver enzymes.

Q: Can I consume alcohol while I am taking Repaglinide EG?

A: Official product information indicates that the use of alcohol may interfere with blood glucose control. Therefore, caution is advised by regulatory documents while taking this medication.

Q: What are the known facts about using Repaglinide EG during pregnancy?

A: Official guidance indicates that use of this medication is not recommended during pregnancy due to a lack of sufficient data in humans. Furthermore, use is not recommended during lactation.

Q: Does exercise or physical activity change how Repaglinide EG affects blood sugar?

A: The treatment is intended to be used alongside diet and exercise. However, strenuous unplanned physical activity is noted as an activity that may potentially amplify the risk of low blood sugar.

Q: What happens in the body when someone accidentally takes too much Repaglinide EG?

A: Overdosage of the medication is expected to result in an exaggerated glucose-lowering effect. This outcome may lead to pronounced symptoms of hypoglycemia (low blood sugar), which could potentially become severe.

Q: Are there any long-term studies available that summarize the effects of Repaglinide EG?

A: Clinical research includes trials that have follow-up durations classified as short-term or intermediate-term (up to one year). The official overview of studies states that comparative evidence is limited regarding long-term outcomes and durability of response over many years.

Q: Is Repaglinide still effective if I take the tablet just after my meal?

A: Official pharmacokinetic studies indicate that the drug's absorption and total exposure may be decreased when it is administered with food. For this reason, the administration time is specified as before the meal.

Q: If I eat a small snack between meals, should I take an extra dose of Repaglinide EG?

A: The official dosing schedule dictates that the medication should only be taken before main meals, corresponding to two, three, or four meals a day. The official dosing schedule does not include administration for small snacks between main meals.

Q: What should I do if I realize I finished eating but forgot to take the tablet?

A: Since official guidance requires the dose to be taken pre-prandially (before the meal) and the timing is crucial for effect, the implicit instruction is that the dose should be skipped if the meal has already been consumed. The next administration is intended to occur before the next main meal.

Q: How quickly can hypoglycemia start after taking Repaglinide EG?

A: The drug is rapidly absorbed into the body, with peak levels in the blood occurring within approximately one hour after the dose is taken. The maximal blood sugar-lowering effect is typically observed around 3 to 3.5 hours after administration.

Q: Are there any food or drink interactions mentioned in the official drug information?

A: Official interaction summaries include substances that may influence the drug's metabolism. Grapefruit juice is documented as a substance that may potentially increase the drug's blood levels due to its known effects on metabolic enzymes.

Q: Can people with kidney problems use Repaglinide EG?

A: Clearance of the drug may be decreased in patients with renal impairment (kidney problems). For those with severe impairment, official guidelines restrict the use and recommend a cautious initiation at the lowest dose.

Q: Is Repaglinide EG generally used for children under the age of 18?

A: Official regulatory documents state that the safety and efficacy of Repaglinide EG have not been established in children under 18 years of age. Therefore, its use is not recommended in the pediatric population.

Q: Who is considered eligible to start taking Repaglinide EG, according to official guidance?

A: The medication is officially indicated for use in adults with Type 2 Diabetes Mellitus. Eligibility is further defined as patients whose blood glucose levels are still inadequately controlled even after diet, weight management, and exercise alone.

Q: How long does it usually take for Repaglinide EG to start working after the first dose?

A: Studies show the drug is rapidly absorbed from the gastrointestinal tract. This means the concentration of the medication in the blood quickly increases, with peak levels typically occurring within one hour after the dose is taken.

Q: How long does the blood sugar-lowering effect of one dose of Repaglinide EG last?

A: Repaglinide EG is designed to be rapidly eliminated by the body, with a short half-life of approximately one hour. The maximal effect is seen within a few hours, and its effect is generally contained within the post-meal period, lasting approximately 4 to 6 hours.

Q: Is it normal to feel no different after starting Repaglinide EG?

A: The drug's primary action is an internal physiological effect: increasing insulin release to achieve glycemic control (lowering blood sugar). It is possible that the medication is working as intended without causing any noticeable physical sensation or change in how a person feels.

Q: Why might Repaglinide EG stop working over time, even with regular use?

A: The reduction in the drug's blood glucose-lowering effect over time is officially referred to as secondary failure. This phenomenon may be due to the natural progression of the underlying diabetes severity or a diminished responsiveness to the medicine itself.

Q: What are the signs that Repaglinide EG might be causing a serious allergic reaction?

A: Serious hypersensitivity reactions are possible with this medication. Signs that may indicate an allergic reaction include rash, hives, trouble breathing or swallowing, or swelling of the face, lips, tongue, or throat, which may indicate the need for prompt medical attention.

Q: Why does Repaglinide EG cause low blood sugar, but not high blood sugar?

A: Official product information confirms the drug's mechanism is specifically to stimulate the release of insulin from the pancreas. Insulin is the hormone responsible for lowering blood sugar, which is why the main safety risk is low blood sugar (hypoglycemia).

Q: What does the 'EG' part of Repaglinide EG usually refer to?

A: 'EG' is typically an identifier used by a specific pharmaceutical company (a generic manufacturer) for their version of the active drug, Repaglinide. This nomenclature helps distinguish their product from the original brand-name version.

Q: Can Repaglinide EG affect my ability to drive?

A: The risk of low blood sugar (hypoglycemia) may happen suddenly. Low blood sugar can impair the ability to concentrate or react. Regulatory documents draw attention to this risk, as it could potentially affect the ability to drive or operate other machinery.

Q: If my blood sugar is controlled for a long time, can I stop taking Repaglinide EG?

A: Regulatory documents state that short-term administration may be sufficient only during periods of temporary loss of control in patients usually managed by diet alone. For chronic Type 2 diabetes, ongoing therapy is typically needed to maintain blood sugar control.

Q: What is the difference between Repaglinide EG and a sulfonylurea drug?

A: Repaglinide is officially classified as a meglitinide derivative and is a non-sulfonylurea secretagogue. A key difference is its shorter duration of action, which aligns its blood sugar-lowering effect closely with mealtimes.

Q: Is there a liquid or other form of Repaglinide EG besides tablets?

A: According to regulatory descriptions, the medication is supplied as an oral solid dosage form, specifically tablets, in various strengths. There is no mention in official documents of an authorized liquid or alternative form.

Q: What is the role of the patient's current diet plan when starting Repaglinide EG?

A: Official information states that treatment with Repaglinide EG is designed to be an adjunct to diet and exercise. The patient's dietary plan and adherence to it are therefore considered fundamental to the medication's therapeutic effect.

Q: Can I take vitamins or herbal supplements while using Repaglinide EG?

A: The drug's metabolism is influenced by several specific liver enzymes. Regulatory documents advise special care when co-administering any substance, including herbal products and other supplements, that may influence the drug's metabolism or its effect on blood glucose.

How should Repaglinide EG be stored and disposed of?

Storage and Disposal Instructions for Repaglinide EG

Repaglinide tablets must be stored at Controlled Room Temperature, defined as 20 C to 25 C (68 F to 77 F). The medication must be kept in a tight, light-resistant container and the bottle must be kept tightly closed to protect it from moisture. It is mandatory to store the tablets away from excess heat and they must not be frozen.

Handling and Child Safety

To ensure safety, Repaglinide must be stored out of the reach of children. The container should be placed in a secure location that is out of a child's sight.

Disposal

Do not keep outdated or unused Repaglinide tablets. Individuals must ask a healthcare professional or pharmacist for official guidance on how to safely dispose of the unused medicine.

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

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