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

Imatinib Cristers

Active Ingredient:
Imatinib
Origin:
EU

Imatinib Cristers (Imatinib)

Imatinib, the active ingredient in Imatinib Cristers, is a tyrosine kinase inhibitor presented as an oral formulation for oral use. It is employed in the treatment of certain blood cancers and gastrointestinal stromal tumors, targeting malignant cell proliferation in adult patients. The drug is indicated for chronic myeloid leukemia, Philadelphia chromosome‑positive acute lymphoblastic leukemia, and gastrointestinal stromal tumor.

GNH India supplies Imatinib Cristers as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, oncology centres and pharmacies worldwide, with established quality assurance and regulatory compliance.

Manufacturer / TM Owner

Cristers

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Indications & Clinical Uses

Imatinib acts on abnormal tyrosine kinase signaling pathways in specific hematologic malignancies and stromal tumors.

  • Chronic myeloid leukemia (CML): reduces leukemic cell proliferation and improves survival.
  • Philadelphia chromosome‑positive acute lymphoblastic leukemia (Ph+ ALL): induces remission by targeting BCR‑ABL kinase activity.
  • Gastrointestinal stromal tumor (GIST): inhibits tumor growth by blocking c‑KIT and PDGFR signaling.

How It Works

  • Imatinib selectively inhibits the BCR‑ABL fusion protein tyrosine kinase, as well as the c‑KIT and platelet‑derived growth factor receptor (PDGFR) kinases. By binding to the ATP‑binding site of these enzymes, it blocks downstream signaling that drives uncontrolled cell division, thereby suppressing malignant proliferation in targeted cancers.

Side Effects

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

Common Side Effects

  • Nausea: mild gastrointestinal upset.
  • Edema: swelling of the extremities.
  • Muscle cramps: transient muscle discomfort.
  • Rash: skin irritation or erythema.

Serious or Rare Side Effects

  • Hepatotoxicity: elevated liver enzymes or liver injury.
  • Cardiotoxicity: congestive heart failure or reduced ejection fraction.
  • Severe neutropenia: marked decrease in white blood cells increasing infection risk.

Precautions & Warnings

Before initiating therapy, clinicians should consider several safety factors.

  • Pregnancy: contraindicated in pregnancy (Category D); avoid unless benefits outweigh risks.
  • Renal impairment: monitor kidney function and adjust dose if needed.
  • Hepatic impairment: assess liver enzymes before initiating therapy.
  • Drug interactions: review concomitant medications for CYP3A4 substrates.
  • Cardiac monitoring: evaluate cardiac function in patients with pre‑existing heart disease.
  • Store at ambient temperature below 25°C: keep in original packaging, protect from moisture and light.

Avoid Interactions

Imatinib interacts with several medicines; careful review is essential.

Major Interactions (Avoid)

  • Strong CYP3A4 inducers (e.g., rifampin, carbamazepine): may markedly reduce imatinib exposure.
  • Antacids containing aluminum or magnesium: can decrease absorption if taken simultaneously.
  • Concomitant use with QT‑prolonging agents: increased risk of cardiac arrhythmia.

Moderate Interactions (Monitor Closely)

  • Warfarin: may enhance anticoagulant effect; monitor INR.
  • CYP3A4 inhibitors (e.g., ketoconazole, erythromycin): may increase imatinib levels; observe for toxicity.
  • Live attenuated vaccines: potential reduced efficacy; consider timing of vaccination.

Frequently Asked Questions

Imatinib Cristers contains the active ingredient imatinib, a tyrosine kinase inhibitor indicated for the treatment of chronic myeloid leukemia (CML), Philadelphia chromosome‑positive acute lymphoblastic leukemia (Ph+ ALL), and gastrointestinal stromal tumor (GIST). It works by targeting specific enzymes that drive the growth of these cancers.

Imatinib blocks the activity of BCR‑ABL, c‑KIT and PDGFR tyrosine kinases by binding to their ATP‑binding sites. This inhibition stops downstream signaling pathways that promote uncontrolled cell division, thereby reducing malignant cell proliferation in the diseases for which it is prescribed.

The specific dose of Imatinib Cristers is determined by the prescribing physician based on the patient’s diagnosis, disease stage, weight, renal and hepatic function, and other clinical factors. Healthcare professionals set the appropriate regimen and adjust it as needed during treatment.

Imatinib is classified as Pregnancy Category D, indicating evidence of risk to the fetus. It should not be used during pregnancy unless the potential benefit justifies the risk. Breastfeeding is also discouraged because the drug is excreted in milk and may affect the infant.

To request Imatinib Cristers, 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 inhibitor and is generally well‑tolerated. Newer agents such as dasatinib and nilotinib have higher potency and may be effective in imatinib‑resistant cases, but they can also have distinct side‑effect profiles. Choice of therapy depends on disease characteristics, prior treatment response and individual patient factors.

Imatinib tablets should be stored at ambient temperature below 25 °C, in the original container, protected from moisture and light. Keep the product out of reach of children and do not use if the packaging is damaged.

Imatinib is taken orally, usually once daily, with or without food. Patients should swallow the tablet whole with a full glass of water and follow the prescribing physician’s instructions regarding timing and any dietary considerations.

Serious adverse events include hepatotoxicity (liver injury), cardiotoxicity such as congestive heart failure, and severe neutropenia that can predispose to infections. Patients should be monitored regularly for liver function, cardiac status and blood counts throughout therapy.

Imatinib is contraindicated in patients with known hypersensitivity to imatinib or any of its excipients. It should also be avoided in pregnant women unless absolutely necessary, and used with caution in individuals with severe hepatic or renal impairment, uncontrolled cardiac disease, or those taking interacting medications listed as major contraindications.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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