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

Imatinib Glenmark

Active Ingredient:
Imatinib
Origin:
EU

Imatinib Glenmark (Imatinib)

Imatinib, the active ingredient in Imatinib Glenmark, is a tyrosine kinase inhibitor presented as an oral dosage form for oral use. It targets malignant cells in chronic myeloid leukemia, Philadelphia chromosome‑positive acute lymphoblastic leukemia and gastrointestinal stromal tumor patients.
GNH India supplies Imatinib Glenmark as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, oncology centres, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Glenmark Pharmaceuticals S.R.O.

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Indications & Clinical Uses

Imatinib Glenmark is employed in the treatment of hematologic and solid tumours that depend on BCR‑ABL, c‑KIT or PDGFR signalling.

  • Chronic myeloid leukemia (CML): provides disease control by inhibiting BCR‑ABL‑driven proliferation.
  • Philadelphia chromosome‑positive acute lymphoblastic leukemia (Ph+ ALL): contributes to remission through blockade of the same kinase pathway.
  • Gastrointestinal stromal tumour (GIST): reduces tumour growth by targeting c‑KIT and PDGFR mutations.

How It Works

  • Imatinib binds competitively to the ATP‑binding pocket of BCR‑ABL, c‑KIT and PDGFR tyrosine kinases, stabilising them in an inactive conformation. This prevents phosphorylation of downstream substrates, halting signalling cascades that drive cell proliferation, survival and migration in malignant clones.

Side Effects

Adverse reactions may occur with Imatinib Glenmark and are reported across clinical use.

Common Side Effects

  • Nausea: mild to moderate upset stomach.
  • Edema: swelling of the hands, feet or face.
  • Fatigue: persistent tiredness not relieved by rest.
  • Diarrhoea: loose stools occurring intermittently.

Serious or Rare Side Effects

  • Hepatotoxicity: elevated liver enzymes or jaundice.
  • Severe neutropenia: marked reduction in white blood cells increasing infection risk.
  • Cardiac failure: signs of reduced heart function such as dyspnoea.
  • Pulmonary hypertension: elevated pressure in lung arteries causing breathlessness.

Precautions & Warnings

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

  • Monitor blood counts: check complete blood count weekly during early treatment.
  • Assess liver function: perform hepatic panel before start and periodically thereafter.
  • Evaluate cardiac status: baseline ECG and echocardiogram for patients with cardiac history.
  • Avoid strong CYP3A4 inhibitors: these can raise imatinib plasma levels.
  • Store at room temperature: keep in original container, protect from moisture and direct sunlight.

Avoid Interactions

Imatinib Glenmark can interact with several co‑administered medicines, requiring careful management.

Major Interactions (Avoid)

  • Strong CYP3A4 inhibitors (e.g., ketoconazole, itraconazole): may increase toxicity.
  • Antacids containing aluminum or magnesium: reduce absorption of imatinib.
  • Warfarin: concurrent use can enhance anticoagulant effect and bleeding risk.

Moderate Interactions (Monitor Closely)

  • Moderate CYP3A4 inhibitors (e.g., diltiazem, erythromycin): may modestly raise drug levels.
  • Proton pump inhibitors: possible reduction in gastric acidity affecting absorption.
  • NSAIDs: combined use may increase gastrointestinal bleeding risk.

Frequently Asked Questions

Imatinib Glenmark is indicated for the treatment of chronic myeloid leukemia, Philadelphia chromosome‑positive acute lymphoblastic leukemia and gastrointestinal stromal tumours. In each case the drug targets specific tyrosine kinases that drive malignant cell growth, helping to control disease progression.

Imatinib blocks the ATP‑binding sites of BCR‑ABL, c‑KIT and PDGFR tyrosine kinases, locking them in an inactive state. This stops downstream signalling that normally promotes proliferation and survival of cancer cells, leading to reduced tumour growth and, in many patients, disease remission.

The dose of Imatinib Glenmark is individualized by the prescribing clinician based on the specific indication, disease stage, patient weight, renal and hepatic function, and any concomitant therapies. Only a qualified health‑care professional should determine the appropriate regimen.

Safety data for Imatinib in pregnancy and lactation are limited. The drug is generally not recommended for use in pregnant or nursing women unless the potential benefit justifies the potential risk. Patients should discuss family planning and breastfeeding considerations with their physician.

To place an order, submit an enquiry on the Imatinib Glenmark 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 and any necessary import documentation.

Imatinib was the first BCR‑ABL inhibitor and remains a standard first‑line option for CML and Ph+ ALL. Newer agents such as dasatinib or nilotinib may offer faster molecular responses but can have different safety profiles and drug‑interaction potentials. Choice of therapy depends on disease characteristics, patient comorbidities and physician judgment.

Imatinib Glenmark should be stored at room temperature, below 25 °C, in its original packaging to protect it from moisture and light. Keep the product out of reach of children and avoid storing it in humid environments such as bathrooms.

The medication 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. Swallow tablets whole; do not crush or chew unless directed by a health‑care professional.

Serious adverse events include hepatotoxicity, severe neutropenia, cardiac failure, pulmonary hypertension and rare but severe skin reactions such as Stevens‑Johnson syndrome. Patients should be monitored regularly for liver enzymes, blood counts and cardiac function, and any alarming symptoms should be reported promptly.

Imatinib Glenmark is contraindicated in individuals with known hypersensitivity to imatinib or any of its excipients. Patients with severe hepatic impairment, uncontrolled cardiac disease, or those receiving certain strong CYP3A4 inhibitors should avoid use unless a specialist determines that benefits outweigh risks.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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