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 an 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 acts on malignant cells driven by BCR‑ABL, c‑KIT or PDGFR tyrosine‑kinase pathways, providing targeted therapy for several hematologic and solid tumours.

  • Chronic myeloid leukemia (CML): suppresses leukemic cell proliferation and induces cytogenetic remission.
  • Philadelphia chromosome‑positive acute lymphoblastic leukemia (Ph+ ALL): improves remission rates when combined with chemotherapy.
  • Gastrointestinal stromal tumor (GIST): inhibits tumor growth in patients with KIT or PDGFR mutations.

How It Works

  • Imatinib selectively inhibits the ATP‑binding sites of BCR‑ABL, c‑KIT and PDGFR tyrosine kinases. By blocking these enzymes, it prevents downstream phosphorylation cascades that drive uncontrolled cell division and survival, leading to apoptosis of malignant cells that depend on these signaling pathways.

Side Effects

Adverse reactions may vary in frequency and severity. Patients should be monitored regularly for both common and serious events.

Common Side Effects

  • Nausea
  • Edema (peripheral swelling)
  • Muscle cramps or pain
  • Fatigue
  • Diarrhea
  • Rash or mild skin irritation

Serious or Rare Side Effects

  • Neutropenia or severe leukopenia
  • Hepatotoxicity (elevated liver enzymes, hepatitis)
  • Cardiac failure or reduced left‑ventricular function
  • Pulmonary arterial hypertension
  • Severe skin reactions (Stevens‑Johnson syndrome, toxic epidermal necrolysis)
  • Life‑threatening bleeding events

Precautions & Warnings

Before initiating therapy, clinicians should assess baseline organ function and monitor patients throughout treatment.

  • Blood count monitoring: perform complete blood counts regularly to detect cytopenias.
  • Liver function monitoring: check transaminases and bilirubin at baseline and periodically.
  • Cardiac assessment: evaluate cardiac history and monitor for signs of heart failure.
  • Hypersensitivity: discontinue if severe allergic reactions occur.
  • Renal impairment: adjust dosing in patients with significant renal dysfunction.
  • Store at room temperature: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Imatinib may interact with drugs that affect its metabolism or increase the risk of toxicity.

Major Interactions (Avoid)

  • Strong CYP3A4 inhibitors (e.g., ketoconazole, itraconazole): may raise imatinib plasma levels.
  • Strong CYP3A4 inducers (e.g., rifampicin, carbamazepine): may reduce efficacy by lowering drug concentrations.
  • Antacids containing aluminum or magnesium: can impair absorption if taken simultaneously.

Moderate Interactions (Monitor Closely)

  • Warfarin: may enhance anticoagulant effect, requiring INR monitoring.
  • Digoxin: increased serum digoxin levels have been reported.
  • QT‑prolonging agents (e.g., quinidine, sotalol): may increase risk of arrhythmia.
  • Vaccines: live attenuated vaccines should be avoided during treatment.

Frequently Asked Questions

Imatinib Grindeks is indicated for chronic myeloid leukemia (CML), Philadelphia chromosome‑positive acute lymphoblastic leukemia (Ph+ ALL) and gastrointestinal stromal tumor (GIST) that harbor BCR‑ABL, c‑KIT or PDGFR mutations. It provides targeted inhibition of the abnormal tyrosine‑kinase activity driving these cancers.

Imatinib binds to the ATP‑binding pocket of BCR‑ABL, c‑KIT and PDGFR tyrosine kinases, preventing phosphorylation of downstream substrates. This blocks proliferative signaling pathways, leading to reduced tumor cell growth and induction of apoptosis in cells that rely on these kinases for survival.

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 treatment response. Only a qualified healthcare professional should determine the appropriate regimen.

Imatinib is classified as contraindicated in pregnancy because it can cause fetal harm. Women of childbearing potential should use effective contraception. Breastfeeding is not recommended while receiving Imatinib, as the drug is excreted in milk and may affect the infant.

To place an order, 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 necessary import documentation.

Imatinib was the first BCR‑ABL tyrosine‑kinase inhibitor approved for CML and remains a standard first‑line option. Newer agents such as dasatinib or nilotinib have broader kinase inhibition profiles and may be used when resistance or intolerance to imatinib occurs, but Imatinib retains a well‑characterized safety and efficacy record.

Imatinib Grindeks should be stored at room temperature, below 25 °C, in the original packaging to protect it from moisture and light. Do not store in bathrooms or near heat sources, and keep the container tightly closed when not in use.

Imatinib Grindeks is taken orally, usually once daily, with or without food. Tablets should be swallowed whole with a glass of water. Patients should follow the dosing schedule prescribed by their physician and not alter the timing without medical advice.

Serious risks include severe neutropenia or other cytopenias, hepatotoxicity, cardiac dysfunction, pulmonary arterial hypertension, and rare but life‑threatening skin reactions such as Stevens‑Johnson syndrome. Prompt medical attention is required if symptoms like unexplained fever, jaundice, shortness of breath, or severe rash develop.

Patients with known hypersensitivity to imatinib or any of its excipients should avoid the drug. It is also contraindicated in pregnant women and should be used with caution in individuals with significant hepatic, renal or cardiac impairment. The prescribing clinician must evaluate each patient’s medical history before initiating therapy.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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