Gliclazida Azevedos

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Gliclazida Azevedos

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Overview of Gliclazida Azevedos

Quick Facts

Property Description
Active ingredient Gliclazide (C15H21N3O3S)
Form Tablets (including modified release - MR)
Pharmacological class Sulfonylurea derivative (Second-generation)
General purpose Systemic blood glucose lowering
Origin / Type Synthetic chemical entity

Gliclazida Azevedos: Definition and Classification

Gliclazida Azevedos is a specific pharmaceutical preparation whose sole active substance is Gliclazide, a synthetic compound developed to assist in the control of high blood sugar levels. This medication is classified as an oral antidiabetic agent, meaning it is designed to be taken by mouth for the systemic management of blood sugar. It functions as a single active ingredient product, with Gliclazide (C15H21N3O3S) being the core entity responsible for the therapeutic effect. The Gliclazide compound is clinically recognized for its potency compared to earlier sulfonylurea generations.


What Type of Medicine is Gliclazide?

Gliclazide belongs to the sulfonylurea derivative class of drugs, specifically identified as a second-generation sulfonylurea. The preparation is consistently manufactured in the dosage form of tablets, including both standard and modified release (MR) variants, which are suitable for oral administration. The MR tablets represent a differentiating factor within the Gliclazide formulations, allowing for a sustained release of the active substance over time. This classification confirms its identity as a tablet-based anti-hyperglycemic agent used to address metabolic imbalances in adults.


The General Purpose of Gliclazida Azevedos

The general purpose of this medication is to achieve systemic blood glucose lowering to manage chronic hyperglycemia, or elevated blood sugar. Gliclazide primarily functions as an insulin secretagogue, meaning it helps the pancreas's beta cells in stimulating insulin release. By enhancing the amount of insulin released into the bloodstream, Gliclazida Azevedos aids in regulating the overall glucose balance, which is its fundamental utility in the body. Gliclazide acts to stimulate insulin secretion from the pancreas, supporting the body's natural ability to produce and release insulin.

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What side effects are possible with Gliclazida Azevedos?

Possible Side Effects and Safety Information

The safety profile of Gliclazide, the active ingredient in Gliclazida Azevedos, is defined by adverse reactions classified by frequency and system involvement, based on official regulatory documents.


Adverse Reaction Classifications

The most common adverse reaction documented for Gliclazide is Hypoglycemia (low blood glucose), which is consistent with its function as a blood glucose lowering agent. This effect is classified as Common (ge 1/100 to < 1/10) in regulatory labeling. Other Common effects include disturbances in the Gastrointestinal System, such as abdominal pain, nausea, and diarrhea.

Adverse reactions are formally grouped by System-Organ Classes, including effects on the Hepatobiliary Disorders and the Blood and Lymphatic System Disorders. These involve rare but serious events such as elevated liver enzyme levels, cholestatic jaundice, or changes in blood cell counts like agranulocytosis and thrombocytopenia.


Serious and Time-Related Safety Patterns

Serious Adverse Reactions officially listed include severe prolonged hypoglycemia, which may lead to coma, as well as severe Dermatological Reactions like Stevens-Johnson syndrome and toxic epidermal necrolysis. These severe events are generally classified as Rare (ge 1/10,000 to < 1/1,000).

Certain effects are noted to follow specific Time-Related Safety Patterns. For instance, the risk of hypoglycemia is often observed to be higher at the start of treatment or during dose increases. Similarly, transient visual disturbances may appear at treatment initiation.


Population-Specific Safety Constraints

Official labeling defines specific safety constraints. The medicine is contraindicated (should not be used) in conditions such as Type 1 Diabetes Mellitus and diabetic ketoacidosis. Furthermore, due to the increased risk of prolonged hypoglycemia, the use of Gliclazide is prohibited in patients with severe hepatic insufficiency or severe renal insufficiency.

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Overdose and Emergency Response

The regulatory overdose profile for Gliclazide (Gliclazida Azevedos) is defined by the risk of severe and prolonged hypoglycemia. This is the principal physiological finding documented in official labeling.

Manifestations and Outcomes Documented Clinical Signs
Primary Clinical Sign Severe Hypoglycemia
Neurological Signs Dizziness, confusion, speech and visual disturbances
Autonomic/Adrenergic Sweating, palpitations, tachycardia, nervousness
Severe Outcome Prolonged hypoglycemia requiring extended monitoring

Overdose may be associated with an excessive dose that is not balanced by adequate caloric intake. The regulatory documentation notes that elderly subjects and patients with impaired hepatic or renal function are particularly susceptible to severe reactions.

The official guidance mandates that an individual seek immediate medical treatment for any suspected overdose. Hospitalisation is required if the resulting hypoglycemic episode is classified as severe or prolonged. The mandated emergency response involves urgent intravenous administration of glucose and continuous monitoring.

No specific pharmacological antidote is explicitly listed in regulatory information; the primary management is symptomatic and supportive, centered on glucose administration to address the profound metabolic imbalance.

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Therapeutic Uses of Gliclazida Azevedos

Addressing Chronic High Blood Sugar in Type 2 Diabetes

Gliclazida Azevedos is indicated for the treatment of Type 2 Diabetes Mellitus in adult patients, and may be part of symptomatic management in long-term disease management. It is applied across domains where additional symptomatic support is needed, relevant in conditions where symptoms are related to systemic imbalance and often create noticeable physiological strain. The medication is applied in situations where additional symptomatic support is needed, typically when symptoms related to systemic imbalance persist.

Its primary indications address symptoms related to persistent hyperglycemia and to manage elevated glucose levels, including both fasting and postprandial blood sugar.

The therapeutic approach plays a role in managing glucose levels, which may assist with maintaining a sense of stability. This consistent control contributes to easing the overall symptom load and supports the patient's general well-being during symptomatic phases.


Supporting Durable Glycemic Stability

The medication is relevant for adults requiring oral antidiabetic therapy to help establish durable glycemic stability. It is commonly used to help with groups of symptoms that may become intense or disruptive. This consistent management may assist with long-term blood sugar stability, which contributes to easing the overall symptom load.

Quick Fact: Support for Metabolic Imbalance
Primary Indication Type 2 Diabetes Mellitus (adults)
Symptom Target Chronic Hyperglycemia (high blood sugar)
Core Benefit Managing Glucose Levels and HbA1c stability
Use Scenario Applied when conditions produce significant symptomatic burden
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Eligibility and Restrictions for Use

Eligibility Profile: Who Can and Cannot Use Gliclazide

Gliclazide, a sulfonylurea medication, is officially restricted to adults with Type 2 diabetes mellitus who require blood sugar control. The use of this medicine is defined by strict regulatory exclusions based on patient health status, age, and physiological condition.

Contraindicated Populations (Must Not Use):

Exclusion Criteria Official Status
Type 1 Diabetes, Ketoacidosis, or Pre-Coma Contraindicated
Severe Renal or Hepatic Insufficiency Contraindicated
Hypersensitivity to Gliclazide, Sulfonylureas, or Sulfonamides Contraindicated
Concomitant treatment with Miconazole (systemic or oromucosal) Contraindicated
Pregnancy and Breastfeeding (Lactation) Contraindicated

Restricted or Not Recommended Use:

Population Group Regulatory Status
Children and Adolescents (Under 18 years) Safety and efficacy not established
Elderly patients Use with caution; low starting dose may be warranted
G6PD-deficiency Caution; non-sulfonylurea alternative should be considered
Mild to Moderate Organ Impairment Use with caution and close monitoring
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What should I know about interactions with other medicines?

Gliclazide's interaction profile is categorized based on whether the co-administered agent increases or decreases its effect on blood glucose, thereby increasing the risk of either low blood sugar (hypoglycemia) or high blood sugar (hyperglycemia).

Contra-indicated and Not Recommended Combinations

The systemic or oromucosal gel form of Miconazole is a contra-indicated combination due to a pronounced risk of severe hypoglycemia, potentially leading to coma. The co-administration of Gliclazide with Alcohol, Phenylbutazone (systemic use), and Danazol is not recommended by regulatory agencies. Alcohol potentiates the blood glucose-lowering action, while Phenylbutazone increases the hypoglycemic effect by displacing Gliclazide from plasma protein binding.

Combinations Requiring Precaution

Increased risk of low blood sugar requires precautions with agents such as other antidiabetic agents, ACE Inhibitors, Beta-blockers, Fluconazole, H2-receptor antagonists, NSAIDs (e.g., Aspirin, Ibuprofen), and Sulfonamides. Conversely, medicines that may reduce Gliclazide's blood glucose-lowering efficacy and cause high blood sugar include systemic Glucocorticoids, high-dose Chlorpromazine, Beta-2 Agonists (e.g., I.V. Ritodrine, Salbutamol, Terbutaline), and Tetracosactrin. These combinations necessitate careful patient monitoring and potential dose adjustment of Gliclazide, or alternative therapy where appropriate.

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Mechanism of Action

How Gliclazida Azevedos Works

Gliclazide functions as an insulin secretagogue, initiating its action by selectively targeting and binding to the Sulfonylurea receptor 1 ( SUR1) subunit of the ATP-sensitive potassium channel ( K ATP channel) complex on the pancreatic beta cell membrane. This binding results in the inhibition or blockade of the channel’s activity, thereby preventing the efflux of potassium ions ( K^+) from the cell.

This blockade causes beta cell membrane depolarization, which triggers the opening of voltage-dependent calcium channels. The resulting calcium ion influx ( Ca^2+) acts as the intracellular signaling molecule necessary to stimulate the exocytosis of pre-formed insulin granules into the systemic circulation. This cellular cascade leads to an increased systemic insulin concentration, which facilitates peripheral tissue glucose uptake and alters systemic glucose concentration. The entire mechanism is dependent on the presence of functional pancreatic beta cells.

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Dosage and Administration Information

Instruction Map: How to use Gliclazida Azevedos — Administration Guidelines

Administration scope

Route of administration: Oral administration only.

Dosing schedule:

  • Modified-Release (MR) Tablets (30 mg and 60 mg): Initial dose is typically 30 mg once daily; the maximum daily dose is 120 mg.
  • Immediate-Release (IR) Tablets (40 mg and 80 mg): Initial daily dose is 40 mg to 80 mg; the maximum daily dose is 320 mg.

Timing in relation to meals (if applicable):

  • Modified-Release (MR): Must be taken as a single daily dose with breakfast.
  • Immediate-Release (IR): Doses over 160 mg must be taken in divided doses in the morning and evening, usually corresponding to main meals.

Preparation requirements (if applicable): No dilution or reconstitution is required; tablets must be swallowed whole with water.

Age-group administration rules:

  • Older Adults (≥ 65 years): Treatment typically begins with the minimum daily starting dose (30 mg MR or 40 mg IR).
  • Pediatric Population: Use in children and adolescents is not recommended as safety and efficacy data are not established.

Missed-dose rules: If a dose is missed, the patient must skip the forgotten dose and take the next dose at the usual time; the subsequent dose must not be doubled.

Special procedural conditions:

  • Modified-Release tablets must not be crushed or chewed to preserve the controlled-release mechanism.
  • Dose adjustment (titration) for the MR formulation is typically made at intervals of at least 1 month.

Instruction classifications (high-level)

Administration method type: Oral

Frequency pattern: Once daily (MR form); Twice daily (IR form at high doses); Long-term (duration pattern).

Use-context constraints: Requires regular food intake (especially breakfast) and adherence to a non-crushing protocol for the MR formulation.


Resulting procedural structure

Step sequence:

  • Initiate use at the minimum starting dose, such as 30 mg MR once daily.
  • Take the tablet by mouth with water, ensuring the MR form is swallowed whole and taken with breakfast.
  • Maintain the dosage for the required titration interval (e.g., at least 1 month for MR) before adjusting the dose.
  • Adjust the dosage only up to the maximum daily limit, based on metabolic response.

Connection to the overall use protocol: These administration guidelines establish a therapeutic framework by setting the oral route, fixed initial and maximum dose limits, and strict once daily timing for the Modified-Release formulation. The instructions govern the long-term usage pattern and specify the minimum procedural time required before a dosage change can be implemented, ensuring a standardized approach consistent with standard administration protocols.

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Recent Clinical Evidence

Research Evidence / Overview of Studies for Gliclazida Azevedos

The information below summarizes the structure and focus of the research available for Gliclazide, the active ingredient in Gliclazida Azevedos, without making any claim about how well the medication works for any individual person. This overview is based strictly on the available evidence and published study descriptions.


Evidence for Use in Type 2 Diabetes Mellitus (Adults)

Research into Gliclazide has primarily examined its use in adults diagnosed with Type 2 Diabetes Mellitus, a condition characterized by functional limitations and a systemic imbalance in blood sugar. The evidence base includes a large number of Randomized Controlled Trials (RCTs), systematic reviews, and observational studies. The studies have mainly concentrated on monitoring changes in blood sugar levels in observed populations over a defined time interval. This type of research is applied in contexts involving the management of persistent high blood sugar (chronic hyperglycemia).


Study Outcomes and Measurement Endpoints

Studies exploring Gliclazide consistently monitored key biomarkers that reflect long-term blood sugar status. The most frequently examined outcome is the change in Glycated Hemoglobin (HbA1c), a biomarker that reflects average blood sugar status over several months. Beyond this long-term measurement, research also monitored measurements of shorter-term physiological imbalance, specifically the measurement of Fasting Plasma Glucose (FPG) and after-meal (postprandial) Plasma Glucose (PPG) levels. The research describes patterns observed in the shifting of these specific measurements during the study period.


Long-Term Follow-up and Durability of Response

A significant portion of the evidence for Gliclazide is derived from intermediate-term studies, lasting up to one year, which allow for the observation of changes measured during this study period. There are also large-scale, long-term observational studies that have tracked patients for several years. These extended studies were designed to examine the maintenance of glycemic control and track longer-term outcomes. However, research highlights that while findings describe patterns observed over these extended intervals, comprehensive data focusing specifically on long-term outcomes, such as major heart health events or cardiovascular safety over many years, are less characterized in the context of long-duration randomized trials.

Key Studies & References

  1. WHO Collaborating Centre for Drug Statistics Methodology: ATC Classification (A10BB09)
  2. NICE Guideline NG28: Type 2 diabetes in adults: management
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Frequently Asked Questions (FAQ)

Common questions about Gliclazida Azevedos (FAQ)

Q: How quickly should Gliclazida Azevedos start showing an effect?

A: Official product information notes that the medicine’s concentration in the bloodstream typically reaches its maximum level, or a plateau, between 6 and 12 hours after taking the modified-release tablet. The medicine works by stimulating the release of insulin, and official documents describe that a significant increase in this release occurs following stimulation from a meal or glucose.


Q: Is it necessary to monitor blood sugar closely when on Gliclazida Azevedos?

A: Monitoring of blood glucose is an important regulatory requirement during treatment. This is particularly emphasized in regulatory documents during initial dose adjustments or when taking the medication alongside other medicines that can affect blood sugar levels, as a precautionary measure against the risk of low blood sugar.


Q: What type of monitoring is required while taking Gliclazida Azevedos?

A: Regulatory information advises the patient to be involved in monitoring their own blood glucose levels. To assess the medicine's overall effectiveness, key biomarkers are tracked, including Glycated Hemoglobin (HbA1c), which reflects long-term control, and both fasting and after-meal plasma glucose levels.


Q: Does Gliclazida Azevedos cause tiredness or dizziness?

A: The official safety profile describes low blood sugar (hypoglycemia) as the most common adverse reaction documented. Regulatory patient information states that dizziness and unusual tiredness are possible signs of low blood sugar.


Q: What happens if Gliclazida Azevedos is taken with herbal supplements?

A: Regulatory patient information specifically advises against taking the herbal remedy St John’s wort, as it may change how your body processes the medicine. For most other herbal remedies and supplements, official guidance states there is not enough data to confirm safety regarding interactions with Gliclazide.


Q: What happens if Gliclazida Azevedos stops working for me?

A: If a loss of control of blood glucose (hyperglycemia, or high blood sugar) occurs, regulatory guidelines indicate that dosage adjustment or alternative therapy may be necessary. This approach is consistent with established therapeutic protocols.


Q: Can I stop taking Gliclazida Azevedos once my blood sugar levels improve?

A: Gliclazide is intended for the long-term control of high blood sugar in Type 2 diabetes and is not a cure. Regulatory patient information advises continuing the medicine for the duration recommended by the prescribing physician to maintain glucose management.


Q: Is it important to take Gliclazida Azevedos at the exact same time every day?

A: Regulatory patient information for the modified-release formulation indicates that taking the tablet at the same time each day, typically with breakfast, is important. This adherence helps to ensure a consistent release and effect of the medication throughout the day.


Q: Is Gliclazida Azevedos the same kind of medicine as metformin?

A: Gliclazide belongs to the sulfonylurea derivative class of drugs. Metformin belongs to the biguanide class of drugs. Official information confirms these are different pharmacological classes with distinct mechanisms of action used for blood glucose control.


Q: What is the main difference between Gliclazida and Gliclazida Azevedos?

A: Gliclazide is the official active ingredient that lowers blood sugar. Gliclazida Azevedos is a specific brand name under which the medicine containing Gliclazide is sold and marketed.


Q: Can Gliclazida Azevedos affect my weight?

A: Regulatory patient information notes that some individuals experience weight gain while taking this medication. This is a potential observed side effect, but individual experience may vary.


Q: Do I need to change my diet when taking Gliclazida Azevedos?

A: Regulatory documents describe the medicine's use as being supported by dietary management. Official warnings highlight that factors such as dietary changes or an imbalance in food intake increase the risk of low blood sugar (hypoglycemia).


Q: Are there any common foods or drinks that interact with Gliclazida Azevedos?

A: Regulatory documents list alcohol as a non-recommended combination due to interaction. No specific common foods are listed as medicinal product interactions; however, regulatory warnings note that irregular mealtimes or skipping meals increase the risk of low blood sugar (hypoglycemia).


Q: Is it normal to feel shaky or hungry after taking Gliclazida Azevedos?

A: Regulatory patient information describes feeling shaky or anxious and feeling hungry as classic, recognizable signs of low blood sugar (hypoglycemia), which is the most common adverse reaction documented.


Q: Are there special considerations for older adults taking Gliclazida Azevedos?

A: Use in older patients often begins at the minimum labeled dose. Pharmacokinetic studies show that the medicine’s clearance is slightly reduced with age, but official regulatory documents generally do not consider this reduction to be clinically significant.


Q: Is there a link between Gliclazida Azevedos and liver issues?

A: The safety profile includes the risk of Hepatobiliary Disorders, which involves the liver and bile system. This may involve elevated liver enzyme levels or, rarely, a serious condition called cholestatic jaundice, which regulatory documents describe as requiring the discontinuation of treatment.


Q: How does Gliclazida Azevedos compare to other sulfonylureas?

A: Gliclazide is classified as a second-generation sulfonylurea. Official literature describes it as being differentiated from certain older members of the class due to reported antioxidant properties and generally being associated with a low risk of hypoglycemia.


Q: Does Gliclazida Azevedos have a generic equivalent?

A: The active ingredient in the medicine is Gliclazide. It is available under various brand names in addition to Gliclazida Azevedos, which is typical for a drug with a generic equivalent.


Q: What is the risk of low blood sugar (hypoglycemia) with Gliclazida Azevedos?

A: Hypoglycemia (low blood sugar) is documented as a Common adverse reaction. In clinical studies, the modified-release formulation has been reported to occur in approximately 5% of patients.


Q: What is the purpose of the 'Azevedos' part of the name?

A: The term 'Azevedos' is part of the specific trade or brand name under which the medicine is sold. It is used to distinguish the product from other formulations or brands that contain the same active ingredient, Gliclazide.


Q: Can Gliclazida Azevedos cause changes in appetite?

A: Patient materials indicate that increased hunger is listed as a classic symptom of low blood sugar (hypoglycemia), the most common adverse reaction documented for this medicine.


Q: Are there any mental health side effects reported for Gliclazida Azevedos?

A: Patient information notes that symptoms of low blood sugar (hypoglycemia), the most common adverse reaction, may include feeling anxious or symptoms similar to a change in behavior. These symptoms are related to the acute physiological effects of low glucose.


Q: Are there differences between the different strengths of Gliclazida Azevedos tablets?

A: The different strengths (e.g., 30 mg vs. 60 mg) contain different amounts of the active ingredient and are used to achieve the dose prescribed by a physician. The modified-release formulation is designed to be taken once daily regardless of the strength needed.


Q: Does Gliclazida Azevedos affect blood clotting or bruising?

A: Official documentation notes that Gliclazide has been shown to have effects on the blood, including a partial inhibition of platelet aggregation. These actions are independent of blood glucose lowering and are documented as not being accompanied by clinical abnormalities of blood clotting.


Q: What is the half-life of Gliclazida Azevedos?

A: The elimination half-life for Gliclazide is documented to be approximately 16 hours. The half-life refers to the time it takes for the concentration of the medicine in the blood to reduce by half.


Q: What if I need surgery? Should I stop Gliclazida Azevedos?

A: Regulatory-aligned guidance describes that the medicine is generally omitted on the day of surgery (e.g., the morning dose for morning surgery) to minimize the risk of low blood sugar. Alternative therapy is typically used during this perioperative period.


Q: Do studies suggest Gliclazida Azevedos has any benefits beyond lowering blood sugar?

A: Official literature notes that Gliclazide has demonstrated certain extra-pancreatic and haemovascular properties. These include anti-oxidant effects and a partial inhibition of platelet aggregation that are separate from its primary blood glucose-lowering action.


Q: How is Gliclazida Azevedos typically described in official documents regarding its use?

A: Official documents describe the medicine as an oral antidiabetic agent of the sulfonylurea derivative class. It is consistently indicated for the treatment of Type 2 Diabetes Mellitus to achieve systemic blood glucose lowering.


Q: Why is Gliclazida Azevedos sometimes prescribed with other diabetes drugs?

A: Gliclazide may be combined with other diabetes drugs when a single medication is not sufficient to achieve adequate blood sugar control. Clinical studies show that combination therapy may lead to a more effective reduction in the HbA1c biomarker, indicating better overall control.


Q: Is Gliclazida Azevedos considered a long-term treatment?

A: The medicine is intended for the long-term control of high blood sugar in Type 2 diabetes. It is meant to be continued as recommended by the prescribing physician, as it helps manage the condition but does not provide a cure.


Q: What research evidence supports the use of Gliclazida Azevedos?

A: The research evidence is primarily based on Randomized Controlled Trials and long-term observational studies, which have examined the medicine’s effect on key biomarkers like Glycated Hemoglobin (HbA1c) and fasting plasma glucose in adults with Type 2 Diabetes Mellitus.


Q: What is the 'How it works' description for Gliclazida Azevedos in simple terms?

A: In simple terms, Gliclazide works mainly by stimulating the pancreas to release more insulin. This increased insulin is then able to help regulate blood glucose, which is the medication’s fundamental utility for managing high blood sugar.

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How should Gliclazida Azevedos be stored and disposed of?

How to Store and Dispose of Gliclazida Azevedos (Gliclazide)

The official regulatory requirements for storing and disposing of Gliclazida Azevedos tablets are defined to maintain stability and ensure environmental protection.


Required Storage Conditions

The tablets must be stored at or below 25 C or 30 C, depending on the specific formulation, and may require protection from moisture and light. A mandatory rule is to keep this medicine out of the sight and reach of children at all times. The medicine must not be used after the expiry date (EXP) printed on the package.


Official Disposal Requirements

Disposal must comply with environmental protection guidelines. Do not dispose of unused or expired medicine via wastewater or household trash. Patients are required to ask a pharmacist for instructions on how to safely throw away medicines no longer needed, typically through a local collection system.

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

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