Product image of Jansitin Duo (Metformin Hydrochloride, Sitagliptin) supplied by GNH India

Jansitin Duo

Active Ingredient:
Metformin Hydrochloride, Sitagliptin
Origin:
EU

Jansitin Duo (Metformin Hydrochloride, Sitagliptin)

Metformin Hydrochloride and Sitagliptin, the active ingredients in Jansitin Duo, are a Biguanide and DPP‑4 inhibitor presented as an oral tablet formulation for systemic use. They are indicated for the management of type 2 diabetes mellitus in adults, helping to control blood glucose levels when used with diet and exercise.

GNH India supplies Jansitin Duo as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides reliable logistics for global distribution.

Manufacturer / TM Owner

G.L. Pharma Gmbh

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Indications & Clinical Uses

Jansitin Duo combines metformin and sitagliptin to improve glycemic control in type 2 diabetes mellitus.

  • Type 2 diabetes mellitus: lowers fasting and post‑prandial glucose levels.
  • Inadequate control with metformin alone: adds DPP‑4 inhibition to achieve better overall glycaemic reduction.
  • Adjunct to diet and exercise in type 2 diabetes: assists patients in reaching individualized HbA1c targets.

How It Works

  • Metformin reduces hepatic gluconeogenesis and enhances peripheral insulin sensitivity, while sitagliptin inhibits the dipeptidyl peptidase‑4 enzyme, prolonging the activity of endogenous incretin hormones (GLP‑1 and GIP). The combined effect increases insulin secretion in a glucose‑dependent manner and decreases glucagon release, resulting in improved overall blood glucose regulation.

Side Effects

The combination may cause a range of adverse reactions, varying from mild to serious.

Common Side Effects

  • Nausea: mild to moderate stomach upset.
  • Diarrhea: loose stools, usually transient.
  • Abdominal discomfort: cramping or pain.
  • Headache: mild tension‑type headache.
  • Upper respiratory tract infection: nasopharyngitis symptoms.
  • Metallic taste: transient alteration in taste perception.

Serious or Rare Side Effects

  • Lactic acidosis: rare but life‑threatening metabolic complication.
  • Acute pancreatitis: severe abdominal pain with elevated enzymes.
  • Severe hypersensitivity reactions: including skin rash, angioedema, or anaphylaxis.
  • Hepatic dysfunction: abnormal liver enzymes or hepatitis.
  • Hypoglycaemia (when combined with other glucose‑lowering agents): symptomatic low blood sugar.

Precautions & Warnings

Before initiating therapy, clinicians should evaluate patient‑specific factors and monitor for potential complications.

  • Renal function: assess eGFR and avoid use in severe renal impairment.
  • Hepatic impairment: use with caution; monitor liver enzymes.
  • Risk of lactic acidosis: avoid in conditions predisposing to hypoxia or tissue hypoperfusion.
  • Pregnancy and lactation: consult a healthcare professional before use.
  • Drug interactions: review concomitant medications for potential effects on glucose control.
  • Store at ambient temperature below 25°C: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Jansitin Duo may interact with several medicines; some require avoidance while others need close monitoring.

Major Interactions (Avoid)

  • Insulin secretagogues (e.g., sulfonylureas): increased risk of hypoglycaemia.
  • Iodinated contrast agents in patients with renal dysfunction: heightened risk of metformin‑associated lactic acidosis.
  • Strong CYP3A4 inhibitors (rarely affecting sitagliptin): may raise sitagliptin plasma levels.

Moderate Interactions (Monitor Closely)

  • Cimetidine: can increase sitagliptin concentrations.
  • Diuretics (especially thiazides): may affect renal clearance of metformin.
  • ACE inhibitors or ARBs: combined use may increase risk of renal impairment and lactic acidosis.
  • Alcohol: excessive intake can potentiate metformin‑related lactic acidosis.
  • Beta‑blockers: may mask hypoglycaemia symptoms.

Frequently Asked Questions

Jansitin Duo is prescribed for adults with type 2 diabetes mellitus to improve glycaemic control. It combines metformin, which reduces hepatic glucose production, with sitagliptin, a DPP‑4 inhibitor that enhances insulin secretion. The product is used alongside diet and exercise when monotherapy does not achieve target blood‑glucose levels.

Metformin Hydrochloride lowers blood glucose primarily by inhibiting hepatic gluconeogenesis, thereby decreasing the amount of glucose released into the bloodstream. It also improves peripheral insulin sensitivity, facilitating greater glucose uptake by muscle and adipose tissue. These actions occur without stimulating insulin release, reducing the risk of hypoglycaemia when used alone.

The appropriate dose of Jansitin Duo is individualized by the prescribing healthcare professional based on factors such as renal function, current glycaemic control, and concomitant medications. The prescriber will determine the tablet strength, frequency, and any titration schedule needed to achieve therapeutic goals while minimizing adverse effects.

Safety of Jansitin Duo in pregnancy and lactation has not been fully established. Metformin is sometimes continued during pregnancy under specialist supervision, whereas sitagliptin lacks sufficient data. Women who are pregnant, planning pregnancy, or breastfeeding should discuss potential risks and benefits with their physician before using this medication.

To place an order, visit the product page on gnhindia.com and submit an enquiry specifying the required quantity of Jansitin Duo. GNH India works with hospitals, pharmacies, and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details (including any cold‑chain requirements), and necessary import documentation.

Jansitin Duo offers a fixed‑dose combination of metformin and sitagliptin, providing both insulin‑sensitising and incretin‑enhancing effects in a single tablet. Compared with metformin alone, it delivers additional glucose‑lowering potency without the need for separate DPP‑4 inhibitor prescriptions. Relative to other combination products, its safety profile aligns with the known tolerability of its individual components.

Store Jansitin Duo tablets at ambient temperature below 25 °C (77 °F). Keep the product in its original blister pack or container, protect it from moisture, excessive heat, and direct sunlight. Do not store in the refrigerator or freezer, and keep out of reach of children.

Jansitin Duo is taken orally, usually with a meal to reduce gastrointestinal discomfort. The tablet should be swallowed whole with a full glass of water. Patients should follow the dosing schedule prescribed by their healthcare provider and should not crush, split, or chew the tablet unless specifically instructed.

The most serious risks include metformin‑associated lactic acidosis, which is rare but potentially fatal, and sitagliptin‑related acute pancreatitis. Severe hypersensitivity reactions such as anaphylaxis may also occur. Patients should be educated to seek immediate medical attention for symptoms like unexplained muscle pain, rapid breathing, severe abdominal pain, or signs of an allergic reaction.

Jansitin Duo is contraindicated in patients with severe renal impairment (eGFR < 30 mL/min/1.73 m²), known hypersensitivity to metformin, sitagliptin, or any excipients, and in those with a history of lactic acidosis. Caution is also advised for individuals with significant hepatic disease, uncontrolled heart failure, or a history of pancreatitis.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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