Product image of Imatinib Grindeks (Imatinib) supplied by GNH India

Imatinib Grindeks

Active Ingredient:
Imatinib
Origin:
EU

Imatinib Grindeks (Imatinib)

Imatinib, the active ingredient in Imatinib Grindeks, is a tyrosine kinase inhibitor presented as a oral tablet for oral use. It treats chronic myeloid leukemia, Philadelphia chromosome‑positive acute lymphoblastic leukemia and gastrointestinal stromal tumor in adult patients.

GNH India supplies Imatinib Grindeks as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, oncology centres and pharmacies worldwide.

Manufacturer / TM Owner

Grindeks

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Indications & Clinical Uses

Imatinib is a targeted therapy that inhibits specific tyrosine kinases involved in certain hematologic and solid tumours.

  • Chronic myeloid leukemia (CML): reduces leukemic cell proliferation and achieves durable hematologic and cytogenetic responses.
  • Philadelphia chromosome‑positive acute lymphoblastic leukemia (Ph+ ALL): contributes to remission by blocking BCR‑ABL signaling in malignant lymphoblasts.
  • Gastrointestinal stromal tumor (GIST): limits tumour growth by inhibiting c‑KIT and PDGFR activity.

How It Works

  • Imatinib binds competitively to the ATP‑binding pocket of the BCR‑ABL fusion protein, as well as to the c‑KIT and platelet‑derived growth factor receptor (PDGFR) kinases. This inhibition prevents phosphorylation of downstream substrates, thereby blocking proliferative and survival signaling pathways in malignant cells and leading to apoptosis or growth arrest.

Side Effects

Imatinib may cause a range of adverse reactions, varying from mild to severe.

Common Side Effects

  • Nausea: mild to moderate gastrointestinal upset.
  • Edema: peripheral swelling, often in the ankles.
  • Fatigue: generalized tiredness.
  • Diarrhea: loose stools.
  • Muscle cramps: occasional skeletal muscle discomfort.

Serious or Rare Side Effects

  • Hepatotoxicity: elevated liver enzymes or hepatitis.
  • Cardiotoxicity: congestive heart failure or reduced left‑ventricular function.
  • Severe neutropenia: marked decrease in neutrophil count.
  • Hemorrhage: bleeding events, including gastrointestinal bleeding.
  • Hypersensitivity reactions: rash, fever, or anaphylaxis.

Precautions & Warnings

When prescribing Imatinib, clinicians should consider several safety precautions.

  • Baseline liver function: assess hepatic enzymes before initiating therapy.
  • Cardiac assessment: evaluate left‑ventricular ejection fraction in patients with cardiac history.
  • Hematologic monitoring: perform regular complete blood counts to detect cytopenias.
  • Drug interactions: review concomitant medications that affect CYP3A4 metabolism.
  • Pregnancy and lactation: avoid use unless benefits outweigh potential risks, as safety data are limited.
  • Store at ambient temperature below 25°C: keep in original container, protect from moisture and light.

Avoid Interactions

Imatinib interacts with several medicines that can alter its plasma concentration or increase toxicity.

Major Interactions (Avoid)

  • Strong CYP3A4 inducers (e.g., rifampin, carbamazepine): may markedly reduce Imatinib exposure.
  • Strong CYP3A4 inhibitors (e.g., ketoconazole, clarithromycin): can increase Imatinib levels and risk of adverse effects.
  • Antacids containing aluminum or magnesium: decrease absorption if taken simultaneously.

Moderate Interactions (Monitor Closely)

  • Proton pump inhibitors: may modestly reduce bioavailability; separate dosing by at least 2 hours.
  • Warfarin: enhanced anticoagulant effect; monitor INR closely.
  • CYP2C8 substrates (e.g., repaglinide): possible increased exposure; adjust dose as needed.

Frequently Asked Questions

Imatinib Grindeks is indicated for the treatment of chronic myeloid leukemia (CML), Philadelphia chromosome‑positive acute lymphoblastic leukemia (Ph+ ALL), and gastrointestinal stromal tumor (GIST). In each condition the drug targets specific tyrosine kinases that drive malignant cell growth, helping to achieve remission or disease control.

Imatinib blocks the ATP‑binding sites of BCR‑ABL, c‑KIT and PDGFR kinases. By preventing these enzymes from phosphorylating downstream proteins, the drug interrupts signaling pathways that promote cell proliferation and survival, leading to reduced tumor growth and increased cancer cell death.

The dose of Imatinib Grindeks is individualized by the prescribing physician based on the specific indication, disease stage, patient weight, renal and hepatic function, and other clinical factors. Patients should follow the exact dosing regimen provided by their healthcare professional.

Safety data for Imatinib in pregnancy and lactation are limited, and the drug is classified as having an unknown pregnancy category. It is generally avoided unless the potential therapeutic benefit justifies the potential risk to the fetus or infant. Women of child‑bearing potential should use effective contraception.

To place an order, submit an enquiry on the Imatinib Grindeks 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 necessary import documentation.

Imatinib was the first BCR‑ABL tyrosine kinase inhibitor and remains a standard first‑line option for CML and Ph+ ALL. Newer TKIs such as dasatinib and nilotinib have higher potency and may be used in cases of resistance or intolerance, but they also carry distinct safety profiles. Choice of therapy depends on disease characteristics, patient comorbidities and physician judgment.

Imatinib Grindeks should be stored at ambient temperature below 25 °C, in its original packaging, protected from moisture and direct light. Keep the product out of reach of children and do not use it after the expiration date printed on the label.

Imatinib Grindeks is taken orally, usually with a glass of water. It can be taken with or without food, but patients should follow any specific instructions from their prescriber. The tablets should be swallowed whole and not crushed or chewed unless directed by a healthcare professional.

Serious adverse events include hepatotoxicity (elevated liver enzymes or hepatitis), cardiotoxicity such as congestive heart failure, severe neutropenia or other cytopenias, and significant bleeding episodes. Patients should report symptoms like jaundice, shortness of breath, unusual bruising or persistent fever to their physician promptly.

Imatinib Grindeks is contraindicated in individuals with known hypersensitivity to imatinib or any of its excipients. It should also be avoided in patients with severe hepatic impairment or uncontrolled cardiac disease unless the prescribing clinician determines that the benefits outweigh the risks.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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