Product image of Imatinib Dr. Reddy’s (Imatinib) supplied by GNH India

Imatinib Dr. Reddy’s

Active Ingredient:
Imatinib
Origin:
EU

Imatinib Dr. Reddy’s (Imatinib)

Imatinib, the active ingredient in Imatinib Dr. Reddy's, is a tyrosine kinase inhibitor presented as a tablet for oral use. It treats chronic myeloid leukemia and gastrointestinal stromal tumor in adult patients with BCR-ABL positive disease.

GNH India supplies Imatinib Dr. Reddy's as a licensed, GDP-compliant international pharmaceutical supplier, delivering EU‑approved quality to hospitals, oncology centres, pharmacies and clinics worldwide. The company ensures consistent batch release, robust handling, and compliance with global import regulations.

Manufacturer / TM Owner

Dr. Reddy's Laboratories (Uk) Ltd

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Indications & Clinical Uses

Imatinib is a targeted therapy that inhibits specific tyrosine kinases involved in certain cancers.

  • Chronic Myeloid Leukemia (CML): Reduces leukemic cell proliferation and improves survival in patients with BCR‑ABL positive disease.
  • Gastrointestinal Stromal Tumor (GIST): Blocks c‑KIT and PDGFR signaling, leading to tumor shrinkage and disease control in adults.

How It Works

  • Imatinib selectively binds to the ATP‑binding pocket of the BCR‑ABL fusion protein as well as the c‑KIT and platelet‑derived growth factor receptors (PDGFR). By preventing phosphorylation of these tyrosine kinases, it blocks downstream signaling pathways that drive cell proliferation and survival, inducing apoptosis of malignant cells and inhibiting abnormal angiogenesis.

Side Effects

Imatinib may cause a range of adverse reactions, which are grouped by frequency and severity.

Common Side Effects

  • Nausea
  • Diarrhea
  • Edema
  • Fatigue

Serious or Rare Side Effects

  • Severe neutropenia or leukopenia
  • Hepatotoxicity (elevated liver enzymes, hepatitis)
  • Cardiac dysfunction (e.g., reduced left‑ventricular ejection fraction)
  • Pulmonary arterial hypertension

Precautions & Warnings

Before and during treatment, several safety measures should be observed.

  • Monitor blood counts: Perform regular complete blood count to detect neutropenia.
  • Assess liver function: Check hepatic enzymes before and during therapy.
  • Evaluate cardiac status: Baseline and periodic echocardiograms for patients at risk.
  • Avoid in patients with known hypersensitivity: Discontinue if a severe allergic reaction occurs.
  • Pregnancy and lactation: Use only if the benefit outweighs the risk; safety not established.
  • Store at room temperature: Keep below 25 °C, in the original container, protected from moisture and light.

Avoid Interactions

Imatinib can interact with several medicines that affect its metabolism or pharmacodynamic profile.

Major Interactions (Avoid)

  • Strong CYP3A4 inhibitors (e.g., ketoconazole, clarithromycin): May increase imatinib exposure.
  • Strong CYP3A4 inducers (e.g., rifampin, phenytoin): May reduce therapeutic levels.
  • Antacids containing aluminum or magnesium: Can decrease absorption if taken simultaneously.

Moderate Interactions (Monitor Closely)

  • Moderate CYP3A4 inhibitors (e.g., erythromycin, fluconazole): May modestly raise plasma concentrations.
  • Moderate CYP3A4 inducers (e.g., carbamazepine, phenobarbital): May lower drug exposure.
  • Warfarin: Imatinib can enhance anticoagulant effect, requiring INR monitoring.

Frequently Asked Questions

Imatinib Dr. Reddy’s is a prescription oral medication indicated for the treatment of chronic myeloid leukemia (CML) and gastrointestinal stromal tumor (GIST) in adult patients. It works by targeting specific tyrosine kinases that drive the growth of these cancers, helping to control disease progression and improve patient outcomes.

Imatinib inhibits the activity of BCR‑ABL, c‑KIT, and PDGFR tyrosine kinases by binding to their ATP‑binding sites. This blocks phosphorylation events that are essential for malignant cell proliferation and survival, leading to apoptosis of cancer cells and interruption of tumor‑driving signaling pathways.

The dosage of Imatinib Dr. Reddy’s is individualized by the prescribing physician based on the specific indication, disease stage, patient weight, renal and hepatic function, and response to therapy. Only a qualified healthcare professional should determine the appropriate dose and schedule.

The safety of Imatinib in pregnancy and lactation has not been established. It is classified as having an unknown pregnancy category, and it should only be used if the potential benefit justifies the potential risk to the fetus or infant. Women of child‑bearing potential should discuss contraception with their doctor.

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, and will request verification of trade or institutional credentials. After confirmation, the team provides pricing, availability, shipping details (including any cold‑chain requirements), and assists with import documentation.

Imatinib was the first BCR‑ABL inhibitor approved for CML and GIST and remains a standard first‑line option. 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 tolerance, and physician judgment.

Store the tablets at room temperature, below 25 °C, in the original blister pack or container. Protect them from excess moisture, heat, and direct light. Do not refrigerate or freeze the product, and keep it out of reach of children.

Imatinib Dr. Reddy’s is taken orally, usually once daily, with a glass of water. It may be swallowed with or without food; however, consistent intake with respect to meals helps maintain stable absorption. Patients should follow the prescribing physician’s instructions regarding timing and any required dietary considerations.

The most serious adverse events include severe neutropenia or leukopenia, hepatotoxicity, cardiac dysfunction such as reduced left‑ventricular ejection fraction, and pulmonary arterial hypertension. Prompt medical evaluation is essential if patients experience signs of infection, jaundice, shortness of breath, or unexplained swelling.

Imatinib is contraindicated in individuals with known hypersensitivity to imatinib or any of its excipients. Patients with severe hepatic impairment, uncontrolled cardiac disease, or those who are pregnant without a clear therapeutic justification should avoid the drug. A thorough medical assessment is required before initiating therapy.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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