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 a DPP‑4 inhibitor presented as an oral tablet for oral use. They treat type 2 diabetes mellitus in adult patients by improving blood glucose control. The combination targets both hepatic glucose output and incretin‑mediated insulin secretion, offering a complementary approach to glycemic management.

GNH India supplies Jansitin Duo as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, providing EU‑origin products that meet stringent quality and regulatory standards.

Manufacturer / TM Owner

G.L. Pharma Gmbh

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Indications & Clinical Uses

Jansitin Duo combines metformin and sitagliptin to address hyperglycemia in type 2 diabetes through complementary mechanisms.

  • Type 2 diabetes mellitus: improves overall glycemic control when added to diet and exercise.
  • Inadequate control with metformin alone: provides additional glucose‑lowering effect to achieve target HbA1c.
  • Combination therapy with DPP‑4 inhibitors: offers an oral alternative to insulin for patients requiring intensified treatment.
  • Adjunct to lifestyle modification: supports weight‑neutral management in patients where weight gain is a concern.

How It Works

  • Metformin reduces hepatic gluconeogenesis and enhances peripheral insulin sensitivity, thereby decreasing fasting glucose production. Sitagliptin selectively inhibits the enzyme dipeptidyl peptidase‑4, prolonging the activity of endogenous incretin hormones (GLP‑1 and GIP). This results in glucose‑dependent stimulation of insulin secretion and suppression of glucagon release, complementing metformin’s actions and producing a synergistic reduction in blood glucose levels through complementary pathways that together improve overall glycemic control.

Side Effects

Like all antidiabetic agents, Jansitin Duo may be associated with adverse reactions.

Common Side Effects

  • Nausea
  • Diarrhea
  • Abdominal discomfort
  • Headache

Serious or Rare Side Effects

  • Lactic acidosis
  • Acute pancreatitis

Precautions & Warnings

Before prescribing Jansitin Duo, clinicians should consider several safety factors.

  • Renal function: assess creatinine clearance before initiating and periodically monitor.
  • Hepatic function: avoid in patients with significant liver disease due to lactic acidosis risk.
  • Cardiovascular status: use cautiously in heart failure, especially NYHA class III/IV.
  • Concomitant hypoglycemics: monitor for enhanced hypoglycemia when combined with insulin or sulfonylureas.
  • Pregnancy and lactation: safety not established; avoid unless benefits outweigh risks.
  • Store at ambient temperature: keep below 25 °C, in original packaging, protected from moisture and light.

Avoid Interactions

Jansitin Duo may interact with several medicines; awareness helps prevent complications.

Major Interactions (Avoid)

  • Iodinated contrast agents: may precipitate metformin‑associated lactic acidosis; discontinue metformin temporarily.
  • Strong CYP3A4 inhibitors (e.g., ketoconazole, clarithromycin): increase sitagliptin exposure, raising risk of adverse effects.
  • Insulin secretagogues (e.g., sulfonylureas): potentiate hypoglycemia when combined.

Moderate Interactions (Monitor Closely)

  • Diuretics (especially thiazides): may affect renal clearance of metformin.
  • ACE inhibitors or ARBs: monitor renal function and potassium levels.
  • Warfarin: sitagliptin may alter INR; check coagulation parameters.
  • Alcohol: can increase risk of lactic acidosis with metformin.

Frequently Asked Questions

Jansitin Duo is indicated for the treatment of type 2 diabetes mellitus in adult patients. It is used to improve glycemic control when diet, exercise, and monotherapy with metformin are insufficient, providing an oral combination that targets both hepatic glucose production and incretin‑mediated insulin secretion.

Metformin Hydrochloride lowers blood glucose by decreasing hepatic gluconeogenesis and increasing peripheral insulin sensitivity. Sitagliptin inhibits the enzyme dipeptidyl peptidase‑4, which prolongs the activity of incretin hormones (GLP‑1 and GIP). This leads to glucose‑dependent insulin release and reduced glucagon secretion, complementing metformin’s effects for a synergistic reduction in plasma glucose.

The dose of Jansitin Duo is individualized by the prescribing healthcare professional based on the patient’s clinical condition, renal function, and response to therapy. Physicians determine the appropriate strength and dosing schedule, and patients should follow the prescriber’s instructions without self‑adjusting the dose.

Safety of Jansitin Duo in pregnancy and lactation has not been established. The product should be avoided unless the potential benefits outweigh the risks, and the decision should be made by a qualified healthcare provider after a thorough assessment of maternal and fetal health.

To order Jansitin Duo, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. 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 the necessary import documentation.

Jansitin Duo offers a fixed‑dose combination of metformin and a DPP‑4 inhibitor, providing a convenient oral regimen that avoids the weight gain associated with sulfonylureas and the injection requirement of GLP‑1 receptor agonists. Compared with metformin alone, the addition of sitagliptin yields greater HbA1c reduction, while maintaining a relatively low risk of hypoglycemia.

Store Jansitin Duo at ambient temperature, preferably below 25 °C. Keep the tablets in their original container, protect them from moisture and direct light, and ensure the packaging remains tightly closed until use. Do not store in the refrigerator or freezer.

Jansitin Duo is taken orally as a tablet. It may be swallowed with or without food, according to the prescriber’s guidance. Patients should follow the dosing schedule prescribed by their healthcare professional and should not crush or chew the tablet unless specifically instructed.

The most serious adverse reactions to watch for are lactic acidosis, which can be life‑threatening, and acute pancreatitis. Additionally, severe hypoglycemia may occur when Jansitin Duo is combined with insulin or sulfonylureas. Prompt medical attention is required if any of these conditions are suspected.

Jansitin Duo is contraindicated in patients with severe renal impairment (eGFR <30 mL/min/1.73 m²), known hepatic disease, a history of lactic acidosis, or hypersensitivity to metformin, sitagliptin, or any excipients. It should also be avoided in pregnancy and lactation unless the prescriber determines that the benefits outweigh the risks.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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