Komboglyze

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Komboglyze

Method of action: Drugs Used In Diabets

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 Komboglyze

Property Description
Active Ingredients Metformin Hydrochloride, Saxagliptin
Form Film-coated tablets
Pharmacological Class Biguanide and Dipeptidyl Peptidase-4 (DPP-4) Inhibitor
General Purpose Improving glycemic control in Type 2 Diabetes Mellitus
Origin Synthetic

Komboglyze is a distinct, prescription-only oral antihyperglycemic agent engineered as a fixed-dose combination product used for managing high blood sugar in adults. This medication, a synthetic compound, serves as an essential part of a comprehensive treatment plan for Type 2 Diabetes Mellitus, always intended for oral administration and use as an adjunct to diet and exercise. The fixed-dose combination structure is often employed to simplify complex regimens for patients who have not achieved adequate control on single-entity Metformin therapy.

Composition and Pharmacological Classes

The medicine is composed of the two active pharmaceutical ingredients: Metformin Hydrochloride and Saxagliptin. These components place the drug across two primary pharmacological classes to offer a comprehensive therapeutic effect. Metformin Hydrochloride is classified as a Biguanide, which primarily decreases the amount of glucose produced by the liver. In contrast, Saxagliptin is a Dipeptidyl Peptidase-4 (DPP-4) inhibitor, which functions by enhancing the body’s natural hormonal response to stimulate insulin release. Clinical evidence confirms that combining these two distinct classes provides sustained, medically recognized improvement in blood sugar levels for many patients.

What is the General Purpose of Komboglyze?

The core purpose of taking Komboglyze is to help adult patients with Type 2 Diabetes Mellitus achieve and sustain better overall glycemic control. By targeting both the production of sugar (via Metformin) and the natural regulatory hormones (via Saxagliptin), the drug improves the body’s ability to manage glucose. This function is vital for the continuous, proactive management of the disease and mitigating the long-term health risks associated with chronic high sugar levels.

Regulatory References

  1. Komboglyze EPAR - Summary for the public

What side effects are possible with Komboglyze?

Possible Side Effects and Safety Information

This section outlines the officially documented adverse effects and safety characteristics of Komboglyze (saxagliptin/metformin) based strictly on government regulatory documents.


Officially Documented Side Effects

Side effects are classified by their official frequency of occurrence:

  • Very Common: Gastrointestinal issues such as diarrhea and nausea/vomiting are frequently documented, particularly upon treatment initiation.
  • Common: Includes headache, nasopharyngitis, upper respiratory tract infection, and urinary tract infection. Hypoglycemia is also common when the medication is used in combination with insulin or a sulfonylurea.
  • Uncommon: Hypersensitivity reactions, such as dermatitis or pruritus, and arthralgia (joint pain).
  • Rare: Severe immune responses like anaphylactic reactions and angioedema are listed.

Serious Safety Considerations

The most serious documented safety concerns, which require immediate attention, include:

  • Lactic Acidosis: A very rare, potentially life-threatening complication associated with the metformin component, which is a major focus of regulatory warnings.
  • Acute Pancreatitis: Post-marketing reports link the DPP-4 inhibitor class to this potentially severe condition.
  • Heart Failure: The label includes a warning regarding an increased risk of hospitalization for heart failure in patients with established risk factors.
  • Serious Hypersensitivity: Severe skin reactions, including bullous pemphigoid, have been reported post-marketing.

Regulatory Safety Restrictions

Official labeling defines key limitations for use:

  • The medication is contraindicated in conditions such as severe renal impairment ( eGFR < 30 mL/min/1.73 m^2), hepatic impairment, or acute or chronic metabolic acidosis.
  • The medication must be temporarily discontinued before or at the time of certain procedures, such as radiologic studies involving intravascular administration of iodinated contrast materials.

Overdose and Emergency Response

Overdose and When to Seek Help: Official Regulatory Information

The information in this section is derived strictly from government-authorized prescribing information, defining the manifestations and required emergency actions in case of an overdose.


Documented Overdose Manifestations and Outcomes

Overdose of the metformin component of Komboglyze presents a primary, life-threatening risk: Metformin-Associated Lactic Acidosis (MALA). This is classified as a medical emergency that can rapidly lead to severe outcomes, including hypotension, coma, and death.

Regulatory documents list the following clinical presentations associated with the onset of Lactic Acidosis:

  • Systemic Symptoms: Feeling very weak and tired, unusual muscle pain (myalgias), and feeling cold.
  • Respiratory Distress: Experiencing trouble breathing (acidotic dyspnea).
  • Gastrointestinal Issues: Unexplained nausea, vomiting, or diarrhea.
  • Neurological Changes: Unusual sleepiness (somnolence) or dizziness.

Mandatory Emergency Actions

Regulators mandate immediate action if an overdose is suspected, even if symptoms are not yet apparent. Lactic Acidosis must be treated in a hospital and requires prompt attention.

  • Seek Immediate Help: Patients must stop taking the medication and seek immediate medical attention or go to the nearest hospital emergency room right away if an overdose is suspected or symptoms of Lactic Acidosis occur.
  • Procedural Management: Hemodialysis is documented as a necessary supportive measure for removing the accumulated metformin component in the context of Lactic Acidosis.

Population-specific risk factors for Lactic Acidosis include renal impairment, hepatic impairment, and age 65 years or older.

Therapeutic Uses of Komboglyze

Komboglyze (saxagliptin/metformin) is a prescription medicine commonly used to help with the management of blood sugar levels in adults diagnosed with type 2 diabetes mellitus. This medication may be part of symptomatic management as an adjunct to diet and exercise, aiming to assist with glycemic control.

The combination is considered relevant in contexts involving heightened systemic burden where dual-agent support is applied when appropriate. It is often used in patients whose blood sugar is inadequately controlled on metformin alone or as part of a combination regimen.

In these clinical scenarios, the medication contributes to easing the overall symptom load and may assist with maintaining functional stability during periods of systemic imbalance associated with the condition. This provides supportive relief when symptoms interfere with routine activities.

“This combination is relevant when supportive symptom management is appropriate and contributes to improved comfort during periods of heightened symptoms.”

Quick Fact: Support for Symptoms related to systemic imbalance

Eligibility and Restrictions for Use

Official Eligibility and Restrictions for Komboglyze

Official regulatory guidelines strictly define the patient groups who can and cannot use Komboglyze (saxagliptin/metformin). The medication is approved only for adult patients (aged 18 years and older) with Type 2 Diabetes Mellitus.

Absolute Contraindications

Use is contraindicated in patients with a history of serious hypersensitivity to either component or any DPP-4 inhibitor, Type 1 Diabetes Mellitus, or Diabetic Ketoacidosis.

Organ Function Status Restriction
Severe Renal Impairment Contraindicated (eGFR below 30 mL/min/1.73 m^2)
Hepatic Impairment Contraindicated/Use Avoided

Restricted and Conditional Use

Population/Condition Regulatory Status
Pediatric Patients (< 18 years) Safety and effectiveness not established; use is prohibited.
Elderly Patients (≥ 65 years) Use with caution; requires frequent renal function monitoring.
Pregnancy/Lactation Safety not established; use only if clearly needed.
Acute States (e.g., Surgery, Contrast Imaging) Requires temporary discontinuation to mitigate the risk of lactic acidosis.

These constraints ensure the medicine is used only by approved populations and under defined physiological conditions.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile for Komboglyze (saxagliptin/metformin) is governed by pharmacokinetic alterations and additive risks as documented in official regulatory sources. The medicine's components interact with other substances through different mechanisms, leading to specific restrictions on co-administration.


Pharmacokinetic and Metabolic Interactions

Interaction Entity Official Description/Outcome
Strong CYP3A4/5 Inhibitors (e.g., Ketoconazole) Co-administration significantly increases the systemic exposure (plasma concentration) of the saxagliptin component.
Carbonic Anhydrase Inhibitors May increase the risk of Metformin-associated lactic acidosis due to reduced clearance of Metformin.
Drugs that Reduce Metformin Clearance Increased systemic exposure and accumulation of Metformin is documented, raising the risk of lactic acidosis.

Pharmacodynamic and Procedural Restrictions

  • Insulin and Insulin Secretagogues (e.g., Sulfonylureas): Concomitant use increases the risk of hypoglycemia due to an additive blood glucose-lowering effect.
  • Iodinated Contrast Materials: Intravascular administration requires the temporary discontinuation of Komboglyze at the time of or prior to the procedure.
  • Excessive Alcohol Intake: Potentiates the effect of Metformin on lactate metabolism, increasing the risk of lactic acidosis.
  • Vitamin B12: Metformin is documented to potentially decrease serum Vitamin B12 levels.

Severe Renal Impairment is formally listed as a contraindication, and use in Hepatic Impairment is not recommended, both due to heightened risk of Metformin accumulation.

Mechanism of Action

Komboglyze (Saxagliptin/Metformin) utilizes two distinct, complementary mechanisms to modulate key regulatory processes influencing glucose homeostasis.

Modulating the Incretin Axis via DPP-4 Inhibition

The saxagliptin component functions by selectively inhibiting the DPP-4 enzyme, a key player in the incretin pathway. This mechanistic action prevents the rapid breakdown of natural hormones, GLP-1 and GIP, which signal insulin release after a meal. This hormonal potentiation ensures a glucose-dependent increase in insulin secretion and suppresses glucagon output. The resulting mechanism modulates the acute postprandial glucose response.

Suppressing Hepatic Glucose Production

The metformin component primarily targets the liver to reduce the quantity of glucose it produces and releases into the bloodstream. This involves inhibiting hepatic gluconeogenesis (new glucose creation), a process mediated in part by the activation of AMP-activated protein kinase (AMPK). This mechanism establishes continuous, basal regulation of glucose concentration via reduction of hepatic output.

Enhancing Peripheral Utilization and Synergy

Metformin also contributes by increasing the sensitivity of peripheral tissues, like muscle, to glucose uptake through enhanced activity of transporters like GLUT-4. The synergy is a key element of the combined pharmacodynamics: Metformin provides the continuous regulation of glucose output and utilization, while Saxagliptin offers the necessary hormonal modulation for meal-time management. The combined action modulates both dynamic and basal regulatory processes influencing glucose homeostasis.

Dosage and Administration Information

Administration Map: Official Usage Guidelines

Komboglyze, the fixed-dose combination of saxagliptin and metformin, is strictly for oral administration as a long-term treatment. The precise dosing schedule and preparation requirements depend on whether the prescribed formulation is immediate-release (IR, often dosed twice daily) or extended-release (XR, often dosed once daily). The maximum recommended daily dose for the XR formulation is 5 mg of saxagliptin and 2,000 mg of metformin.


Dosing Schedule and Timing

Feature Instruction
Route of Administration Oral administration only.
IR Dosing Frequency Taken twice daily.
XR Dosing Frequency Taken once daily.
Timing in relation to meals Must be taken with meals; the XR formulation is specifically administered with the evening meal.
Preparation requirements XR tablets must be swallowed whole and must not be crushed, cut, or chewed.

Use Context and Adjustments

Dosage is individualized based on the patient's existing regimen. Renal function must be assessed before and during treatment, as the use is limited or contraindicated based on the estimated glomerular filtration rate (eGFR). For patients with reduced renal function (e.g., eGFR below 45 mL/min/1.73 m^2), the daily saxagliptin component must be limited to 2.5 mg. When a dose is missed, patients should resume treatment with the next scheduled dose and not take an extra dose. The medicine may need to be temporarily discontinued prior to iodinated contrast imaging procedures.

These official instructions structure the proper use of the medicine by defining the required route, specific frequency patterns, mandatory meal-time context, and the necessary physiological checks to determine appropriate dose limits.

Recent Clinical Evidence

Komboglyze: Recent Clinical Evidence

The combination of saxagliptin and metformin (marketed as Komboglyze) has been evaluated in numerous clinical trials to assess its impact on glycemic control and overall safety profile in adults with type 2 diabetes mellitus.


Efficacy and Glycemic Control

Studies focused on the primary outcome of changes in glycosylated hemoglobin (HbA1c) levels. Research consistently showed that the combination therapy was associated with reductions in HbA1c compared to placebo or metformin alone in specific patient populations.

  • Monotherapy vs. Combination: Trials investigated the addition of saxagliptin to patients already taking metformin, reporting further mean reductions in HbA1c, often ranging from 0.5% to 0.8%, depending on the baseline HbA1c levels and study duration.
  • Comparison to Other Agents: Head-to-head trials have explored whether the combination has different effects on glycemic control metrics when compared to other non-insulin anti-diabetic medications, noting varying results across different patient subgroups.

Safety and Cardiovascular (CV) Outcomes

The safety of saxagliptin, specifically regarding cardiovascular risk, was a major area of research. The SAVOR-TIMI 53 trial, a large-scale, long-term study, focused on CV outcomes.

Outcome Category Study Finding (SAVOR-TIMI 53)
Primary CV Composite No significant difference observed compared to placebo
Hospitalization for Heart Failure A higher rate of hospitalization for heart failure was observed in participants receiving saxagliptin

Observed side effects commonly reported across studies include nasopharyngitis, upper respiratory tract infections, and urinary tract infections. Hypoglycemia rates were generally low when the combination was used as monotherapy or with metformin, but rates increased when combined with certain other agents, such as sulfonylureas.

Frequently Asked Questions (FAQ)

Common questions about Komboglyze (FAQ)


Q: Are there different strengths of Komboglyze tablets available?

Yes, Komboglyze is available in multiple fixed-dose strengths from the manufacturer, combining different amounts of the two active ingredients, saxagliptin and metformin. Official product information lists several available dose forms, such as 2.5 mg/850 mg and 2.5 mg/1,000 mg combinations.


Q: Is there a generic version of Komboglyze available?

Yes, according to information from the U.S. Food and Drug Administration (FDA), generic versions of the combined medicine (saxagliptin and metformin hydrochloride extended-release) have been approved and are available from various manufacturers.


Q: Does Komboglyze interact with common over-the-counter pain relievers?

Official drug labels indicate that some common over-the-counter pain relievers, specifically NSAIDs (Non-Steroidal Anti-Inflammatory Drugs), are substances the use of which is noted to require caution in official documentation. NSAIDs can temporarily reduce kidney function, which may increase the risk of lactic acidosis, a rare but serious side effect associated with the metformin component.


Q: Is Komboglyze used for pre-diabetes?

No. According to the official regulatory documents, Komboglyze is indicated only for use in adults with Type 2 Diabetes Mellitus. It is intended as an addition to diet and exercise to help manage high blood sugar, and its use for pre-diabetes is not an approved indication.


Q: Are there any restrictions on driving or operating machinery while taking Komboglyze?

The medicine itself is not known to directly affect a person’s ability to drive or use machines. However, official information suggests considering the potential for hypoglycemia (low blood sugar), especially if Komboglyze is taken alongside other medications that lower blood sugar, like insulin or a sulfonylurea.


Q: Does Komboglyze make you tired?

Unusual tiredness or fatigue is not listed as a common or very common side effect in the official safety profile. However, unusual tiredness is listed as a potential symptom of the rare but serious complication lactic acidosis and can also be a symptom of heart failure, both of which are serious safety concerns noted in the official labeling.


Q: Does Komboglyze have a black box warning in the US regulatory documents?

Yes, the U.S. Prescribing Information contains a Boxed Warning (often called a 'Black Box Warning') regarding the risk of lactic acidosis. This is a rare, life-threatening buildup of acid in the blood associated with the metformin component, and is a major focus of regulatory warnings.


Q: Is there a patient information leaflet available for Komboglyze?

Yes, regulatory agencies require that a patient-specific document, such as a Medication Guide or Patient Information Leaflet, be available for this medicine. This official document contains important information for patients regarding the use of the medicine, as required by regulatory bodies.


Q: Can Komboglyze be taken with other diabetes medications?

Yes, regulatory documents indicate that Komboglyze can be used in combination with other diabetes treatments, such as insulin or a sulfonylurea. Co-administration may result in an increased risk of hypoglycemia, and official information indicates that a dosage adjustment of the insulin or sulfonylurea may be necessary.


Q: Are there any specific foods or drinks to avoid while taking Komboglyze?

The most specific and serious warning regarding consumption involves alcohol. Official product information includes a warning against excessive alcohol intake while using this medicine. This is because alcohol can potentiate the effects of metformin on lactate metabolism, thereby increasing the risk of lactic acidosis.


Q: What is the expected long-term effect of Komboglyze on the body?

Long-term studies focus primarily on two key areas: sustained glycemic control (lowering HbA1c) and cardiovascular safety. While a large, long-term trial (SAVOR-TIMI 53) found no overall difference in a composite of major cardiovascular events, it did observe a higher rate of hospitalization for heart failure in some patients receiving saxagliptin.


Q: Can Komboglyze affect fertility or pregnancy planning?

The safety of this medicine during pregnancy or breastfeeding is not established in humans. Use during pregnancy or while breastfeeding is reserved only for cases where the benefit is considered clearly necessary, due to limited human data. Animal studies have indicated reproductive toxicity at high doses of saxagliptin. Metformin is known to be excreted into human milk, although the effect on a nursing infant is unknown.


Q: What are the signs of a severe allergic reaction to Komboglyze?

The official label describes symptoms associated with serious immune events like anaphylaxis or angioedema (severe swelling). These signs may include swelling of the face, lips, throat, or other body parts, as well as experiencing difficulty swallowing or breathing.


Q: Does taking Komboglyze require special monitoring or blood tests?

Yes, regulatory documents require specific monitoring. Due to the risks associated with the metformin component, kidney (renal) function must be assessed before and periodically during treatment. Additionally, long-term use of metformin may lead to lowered Vitamin B12 levels, and monitoring these levels may also be necessary.


Q: What should I know about the shelf life or storage of Komboglyze?

Official labeling dictates that the medicine should be stored at a controlled room temperature (e.g., 68 F to 77 F), protected from moisture and heat. The shelf life or expiration date for the product is printed directly on the container by the manufacturer.


Q: Can Komboglyze cause weight loss or weight gain?

According to the official summary of safety profiles, neither weight loss nor weight gain is listed as a commonly reported side effect or adverse reaction for the combined drug in clinical trials.

How should Komboglyze be stored and disposed of?

How to Store and Dispose of Kombiglyze XR

Kombiglyze XR (saxagliptin and metformin HCl extended-release) tablets must be stored at controlled room temperature, specifically between 68 F and 77 F (20 C and 25 C). The medicine should be kept in its original container and must be kept tightly closed to protect it from moisture and heat. Do not freeze the tablets.

Official Storage Requirements

Requirement Condition
Temperature Controlled room temperature (68 F–77 F)
Protection Keep tightly closed; avoid moisture and heat.
Safety Keep out of the sight and reach of children.

Disposal Instructions

Unused or expired Kombiglyze XR should not be disposed of via household waste or wastewater. The product must be discarded according to local regulations for pharmaceutical waste. Patients should consult a healthcare professional or pharmacist for instructions on how to properly dispose of unwanted medicine.

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

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