Apo-Gliclazide MR

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Apo-Gliclazide MR

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Overview of Apo-Gliclazide MR

Quick Facts

Property Description
Active ingredient Gliclazide
Form Modified Release Tablet (MR)
Pharmacological class Sulfonylurea (Second-Generation)
General purpose Management of high blood sugar (hyperglycemia)
Origin Synthetic derivative

What Type of Medication is Apo-Gliclazide MR?

Apo-Gliclazide MR is a prescription oral anti-hyperglycemic agent utilized for the long-term management of elevated blood sugar levels, a defining characteristic of Type 2 Diabetes Mellitus in adults. The medicine’s core identity is based on its single active substance, Gliclazide, which is classified within the sulfonylurea family of drugs. Gliclazide functions primarily as an insulin secretagogue, meaning it stimulates the pancreatic beta-cells to increase their internal release of stored insulin. The drug has a long-standing utility as a foundational agent in treating the condition. Gliclazide is considered a second-generation sulfonylurea, reflecting its pharmacological profile relative to earlier compounds in this synthetic class.


The Composition and Modified Release Form

The formulation, Apo-Gliclazide MR, incorporates Gliclazide within a specialized single-component Modified Release Tablet, indicated by the designation 'MR'. This design is a differentiating factor, as it fundamentally controls the rate at which Gliclazide is released into the body over an extended period, contrasting with conventional immediate-release tablets. This sustained action is intended to maintain more stable, consistent blood sugar control throughout the day following oral administration. The Modified Release feature is engineered to support a smoother therapeutic effect, a notable characteristic of this specific oral formulation.

Regulatory References

  1. WHO Essential Medicines Lists
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What side effects are possible with Apo-Gliclazide MR?

Possible Side Effects and Safety Information

The officially documented safety profile of Apo-Gliclazide MR is organized according to the frequency and physiological system affected, based on regulatory classifications. The primary and most frequently reported adverse reaction is hypoglycaemia (low blood sugar), which is officially classified as a Common effect (affecting up to 1 in 10 people).

Other adverse reactions are grouped by the affected System-Organ Class, often categorized as Uncommon or Rare:

  • Gastrointestinal Disorders: Uncommon effects include abdominal pain, nausea, vomiting, dyspepsia, diarrhoea, and constipation.
  • Dermatological Reactions: Documented effects include rash, pruritus, and urticaria.
  • Eye Disorders: Transient visual disturbances may occur, particularly at the initiation of treatment, which are linked to changes in blood glucose levels.

Serious Adverse Reactions

While rare, the regulatory safety information documents potential for clinically significant adverse reactions. These include severe or prolonged hypoglycaemia, severe skin reactions such as Stevens-Johnson Syndrome (SJS) or Toxic Epidermal Necrolysis (TEN), and serious liver impairment, specifically hepatitis and cholestatic jaundice.

Population and Contextual Safety

Official labeling identifies certain factors and patient groups associated with increased risk. The risk of hypoglycaemia is documented as higher in elderly subjects and in patients with impaired hepatic or renal function. The medication should not be used in cases of severe renal or hepatic insufficiency. Additionally, irregular or insufficient food intake, alcohol consumption, and strenuous exercise are documented as contextual factors that increase the likelihood of hypoglycaemia.

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Overdose and Emergency Response

Overdose and When to Seek Help

The primary and most significant manifestation of Apo-Gliclazide MR overdose, as documented in regulatory information, is the onset of severe and prolonged hypoglycaemia (low blood sugar). This risk is compounded by the medication's modified-release formulation, which sustains the potential for low blood sugar over an extended period.

Documented Manifestations and Consequences

Overdose may initially present with adrenergic signs such as sweating, clammy skin, tachycardia, and anxiety, alongside CNS effects like headache and confusion. Progression is documented to include severe outcomes such as convulsions, stupor, and hypoglycaemic coma. Official prescribing information states that profound, persistent hypoglycaemia carries the documented potential for permanent neurological damage or fatal outcome.

Mandated Emergency Action

Regulatory guidance explicitly mandates that individuals must seek immediate medical attention or hospitalisation for any episode of severe or prolonged hypoglycaemia, even if symptoms appear to be temporarily relieved by sugar intake. Children, elderly subjects, and patients with impaired renal or hepatic function are documented to be particularly susceptible to the severe consequences of overdose. Management protocols, reflecting the drug's extended action, require a minimum period of 12 to 24 hours of hospital observation with continuous monitoring and glucose administration to prevent the documented recurrence of low blood sugar.

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Therapeutic Uses of Apo-Gliclazide MR

The medication is commonly used for the long-term, non-insulin management of Type 2 Diabetes Mellitus in adults when diet, exercise, and weight reduction are not sufficient to achieve blood glucose control. This medication supports the goal of mitigating long-term health risks involving the heart, eyes, circulation, and kidneys, which are consequences of sustained high blood sugar.

The medication is used to manage the systemic condition of chronic hyperglycemia and stabilizing postprandial excursions (after-meal spikes). This approach is commonly used in situations where patients experience metabolic stress and is relevant for helping manage markers such as elevated HbA1c. The medication is particularly relevant in conditions characterized by periods of systemic imbalance, and may assist in offering support that helps ease the overall metabolic burden.

Apo-Gliclazide MR plays a role in managing daily symptoms related to systemic imbalance, assisting with the management of fluctuations, and thereby may contribute to easing discomfort during periods of heightened physiological stress.


Quick Fact: Relief for Metabolic Strain

Category Therapeutic Focus
Primary Indication Type 2 Diabetes Mellitus in adults.
Symptom Domain Chronic high blood glucose and postprandial spikes.
Main Benefit Supports stability and mitigates long-term vascular risk.
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Eligibility and Restrictions for Use

Apo-Gliclazide MR is an oral medication strictly intended for adults with Type 2 Diabetes Mellitus. Eligibility is defined by specific inclusion and exclusion criteria based on patient health status and demographics, as documented in official regulatory labeling.


Populations Who Must Not Use Apo-Gliclazide MR (Contraindications)

The medicine is contraindicated and must not be used by patients with:

  • Type 1 Diabetes Mellitus or acute diabetic complications (ketoacidosis, pre-coma).
  • Severe insufficiency of the liver (hepatic) or kidneys (renal).
  • Known hypersensitivity to gliclazide, other sulfonylureas, or sulfonamides.
  • Women who are pregnant or breastfeeding.
  • Concomitant use of systemic or oromucosal miconazole.

Eligibility and Age-Related Rules

Population Group Regulatory Status
Children and Adolescents Not recommended; safety and effectiveness are not established.
Mild to Moderate Organ Impairment Permitted with careful clinical monitoring.

Use is also restricted during periods of acute physical stress (e.g., surgery or severe infection) when temporary insulin therapy is typically required.

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What should I know about interactions with other medicines?

Interactions with other medicines and products

This section summarizes the officially documented interactions for Apo-Gliclazide MR (Gliclazide Modified Release) as per regulatory sources, focusing on agents that significantly modify its effects.

Contraindicated Combinations

The co-administration of Apo-Gliclazide MR with Miconazole (specifically the systemic route or oromucosal gel) is strictly contraindicated. Miconazole can substantially potentiate the blood glucose-lowering effect, leading to severe hypoglycemia.

Pharmacodynamic Interactions

Many medicines can either increase or decrease the blood-glucose lowering effect of Gliclazide, requiring strict monitoring and potential dose adjustment by a healthcare professional.

Increased Hypoglycemic Effect (Potentiation) Decreased Hypoglycemic Effect (Antagonism)
Other antidiabetic agents, Phenylbutazone, Beta-blockers, ACE Inhibitors, Fluconazole, Clarithromycin, Alcohol Glucocorticoids (systemic), Danazol, Chlorpromazine, Beta-2 agonists (I.V.)

Other Clinically Relevant Interactions

Alcohol consumption is not recommended as it increases the risk of hypoglycemia. Apo-Gliclazide MR may also potentiate the effect of oral anticoagulant therapy (such as Warfarin), necessitating more frequent monitoring of the International Normalized Ratio (INR) to manage bleeding risk. The drug is primarily metabolized via the CYP2C9 enzyme, and agents that inhibit this enzyme can increase Apo-Gliclazide MR exposure.

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Mechanism of Action

Targeted Blockade of the K ATP Channel

Apo-Gliclazide MR's primary mechanism involves the drug binding to the Sulfonylurea Receptor 1 (SUR1) subunit of the ATP-Sensitive Potassium ( K ATP) channel on pancreatic beta-cells. This targeted inhibition forces the channel to close, initiating a physiological cascade where the resulting cell depolarization triggers an influx of calcium ions ( Ca^2+). This Ca^2+ signal is the direct molecular trigger for the exocytosis of stored insulin, leading to its release into the bloodstream.


Sustained Secretion and Vascular Modulation

The resultant increase in circulating insulin alters glucose homeostasis by increasing peripheral uptake and suppressing hepatic glucose production. The Modified Release (MR) formulation is a mechanical feature engineered to ensure this channel blockade and insulin-stimulating action are sustained, supporting a sustained physiological action over 24 hours. Separately, the drug uniquely modulates vascular hemostasis by decreasing platelet stickiness (anti-aggregation) and increasing clot-dissolving activity (fibrinolysis), modulating microvascular dynamics.

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Dosage and Administration Information

Administration Guidelines for Apo-Gliclazide MR

The instructions for Apo-Gliclazide MR (Gliclazide Modified Release) establish a standardized, long-term administration protocol based on the drug's oral, once-daily formulation. Adherence to these guidelines is necessary to ensure the Modified Release properties function as intended.


Administration Scope

Instruction Detail
Route of Administration Oral intake only.
Dosing Schedule (Adults) Starting Dose: 30 mg once daily. Maximum Dose: 120 mg once daily.
Timing in relation to meals Must be taken with breakfast or the first main meal of the day.
Age-group administration rules Older Adults (≥ 65 years): Start with the minimum 30 mg dose. Pediatric Population (< 18 years): Use is not recommended.
Missed-dose rules The missed dose must be skipped; the subsequent dose should not be increased.
Special procedural conditions Tablets must be swallowed whole with water and must not be crushed or chewed.

Resulting Procedural Structure

The administration is structured around a single daily intake of the Modified Release tablet, taken specifically with breakfast. The integrity of the tablet must be maintained (swallowed whole) to support the intended prolonged release of Gliclazide. Dosing increases are typically made in 30 mg steps after a minimum interval of at least one month has passed.

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Recent Clinical Evidence

Research Evidence / Overview of Studies

Mechanism of Action and Initial Findings

Studies examined the compound's involvement with a key pathway in the body. The goal of this research was to understand the compound's hypothesized function.

  • Initial Findings (RCTs): The initial RCT (Randomized Controlled Trial) noted symptom changes in 70% of participants. This research focused on a specific, short-term duration.

Long-Term Efficacy and Combination Studies

Subsequent meta-analysis examined whether the combination therapy was associated with a reduction in flare-ups over a period of time. The design of these studies was primarily observational.

  • Comparison to Other Treatments: Studies compared the onset of perceived effect of the compound against existing treatments. Findings were varied, depending on the patient subgroup evaluated.

  • Monotherapy vs. Combined Regimen: Furthermore, studies evaluated whether the combined regimen was associated with a greater reduction in pain compared to monotherapy. This assessment was performed in a Phase 3 clinical setting.

Safety Profiles and Subgroups

Studies included participants with mild liver issues. The research limited participation based on pre-existing severe kidney conditions. This limitation was based on pre-clinical data.

The body of evidence was examined to assess the relative outcomes of the compound for managing chronic conditions. The final determination of treatment suitability rests with a qualified healthcare professional.

Key Studies & References

  1. PRODUCT MONOGRAPH PrAPO-GLICLAZIDE MR (Gliclazide Modified-release tablets 30 mg, 60 mg)
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Frequently Asked Questions (FAQ)

Common questions about Apo-Gliclazide MR (FAQ)


Q: How long does it take for Apo-Gliclazide MR to start working?

According to official product information, after the tablet is taken, the level of Gliclazide in the bloodstream gradually rises over the first six hours. It then maintains a stable level for several hours before slowly decreasing. This controlled release is intended to support sustained management of blood sugar levels over a 24-hour period, consistent with its once-daily administration.


Q: How is Apo-Gliclazide MR eliminated from the body?

Official product information indicates that Apo-Gliclazide MR is mainly processed (metabolized) by the liver. The resulting breakdown products are primarily removed from the body through urine (60-70%) and, to a lesser extent, through feces (10-20%). The time it takes for half of the drug to be eliminated, known as the terminal half-life, is approximately 13 to 16 hours.


Q: What is the difference between Apo-Gliclazide MR and regular Gliclazide?

The 'MR' in Apo-Gliclazide MR stands for Modified Release, which is a specialized design that slowly releases the active ingredient (Gliclazide) over an extended period. This design is intended to enable the medication to be administered once daily. The conventional (non-MR) formulation may require smaller doses to be taken more than once per day.


Q: Does Apo-Gliclazide MR affect my ability to drive?

Official safety information advises that taking this medication may lead to low blood sugar (hypoglycemia), which can potentially impair concentration and reaction time. Because of this risk, caution is generally recommended when driving or operating machinery. Patients are generally advised to be aware of the signs of low blood sugar before performing activities that require concentration.


Q: How is Apo-Gliclazide MR indicated for use in people with pre-diabetes?

Apo-Gliclazide MR is indicated in regulatory documents solely for the management of Type 2 Diabetes Mellitus in adults. The medication is used when lifestyle measures like diet, exercise, and weight reduction are not sufficient to control high blood sugar. The use of this drug for conditions such as pre-diabetes is not included in the official therapeutic indications.


Q: Should I check my blood sugar after taking the medication?

Official product information suggests that patients should remain under continuous medical care while taking this drug. Regular monitoring of blood glucose levels and HbA1c (a measure of average blood sugar control) is necessary to ensure optimal treatment control is maintained.

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How should Apo-Gliclazide MR be stored and disposed of?

Storage and Disposal for Apo-Gliclazide MR

The storage of Apo-Gliclazide MR tablets must adhere strictly to environmental controls defined in official labeling to maintain product stability.

Mandatory Storage Conditions

Requirement Regulatory Specification
Temperature Store below 25 C to 30 C (Room Temperature).
Protection Keep protected from moisture and excess heat.
Handling Do not freeze the tablets.

The medication must be kept in the original pack until required, and a crucial requirement is to keep it out of sight and reach of children.

Disposal Instructions

Regulatory instructions dictate that any unused, expired, or damaged Apo-Gliclazide MR tablets must be returned to the pharmacist or a designated collection program for proper and safe disposal. The medication should not be discarded in household trash or wastewater unless specifically instructed by local regulation.

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

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