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

Imatinib Rowex

Active Ingredient:
Imatinib
Origin:
EU

Imatinib Rowex (Imatinib)

Imatinib, the active ingredient in Imatinib Rowex, is a tyrosine kinase inhibitor presented as a tablet for oral use. It is indicated for the treatment of chronic myeloid leukemia and gastrointestinal stromal tumor in adult patients, targeting specific cellular pathways that drive malignant growth.

GNH India supplies Imatinib Rowex as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, oncology centres, pharmacies and clinics worldwide, ensuring EU‑standard quality and reliable global distribution.

Manufacturer / TM Owner

Rowex Ltd

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Indications & Clinical Uses

Imatinib acts on malignant cells driven by BCR‑ABL, c‑KIT, and PDGFR tyrosine kinase pathways.

  • Chronic myeloid leukemia (CML): achieves hematologic and cytogenetic remission by inhibiting BCR‑ABL kinase activity.
  • Gastrointestinal stromal tumor (GIST): reduces tumor progression by blocking c‑KIT and PDGFR signaling.
  • Philadelphia chromosome‑positive acute lymphoblastic leukemia (Ph+ ALL): provides disease control through BCR‑ABL inhibition.

How It Works

  • Imatinib selectively binds to the ATP‑binding sites of BCR‑ABL, c‑KIT, and platelet‑derived growth factor receptors (PDGFR), competitively and reversibly inhibiting their tyrosine‑kinase activity. This blockade prevents downstream phosphorylation cascades that drive uncontrolled cell proliferation, survival, and angiogenesis, leading to growth arrest or apoptosis of malignant cells while largely sparing normal tissues.

Side Effects

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

Common Side Effects

  • Nausea: mild to moderate gastrointestinal upset that may improve with food.
  • Diarrhea: frequent loose stools, occasionally requiring hydration.
  • Fatigue: persistent tiredness affecting daily activities.

Serious or Rare Side Effects

  • Hepatotoxicity: significant elevation of liver enzymes, jaundice, or liver failure requiring monitoring.
  • Myelosuppression: reduction in blood cell counts leading to neutropenia, anemia, or thrombocytopenia, increasing infection or bleeding risk.
  • Severe skin reactions: rare but life‑threatening conditions such as Stevens‑Johnson syndrome or toxic epidermal necrolysis, necessitating immediate medical attention.

Precautions & Warnings

When prescribing Imatinib, clinicians should consider several precautionary measures to ensure patient safety.

  • Baseline assessment: obtain complete blood count and liver function tests before initiating therapy.
  • Monitoring: perform regular CBC and hepatic panels during treatment to detect cytopenias or liver toxicity.
  • Cardiac evaluation: assess cardiac function in patients with pre‑existing heart disease.
  • Drug interactions: review concomitant medications for potential CYP3A4 inhibitors or inducers.
  • Pregnancy and lactation: avoid use unless benefits outweigh risks; discuss with specialist.
  • Store at ambient temperature: keep below 25°C in original packaging, protect from moisture and light.

Avoid Interactions

Imatinib can interact with other medicines, altering its efficacy or safety profile.

Major Interactions (Avoid)

  • Strong CYP3A4 inhibitors (e.g., ketoconazole, clarithromycin): may increase imatinib plasma levels, raising toxicity risk.
  • Strong CYP3A4 inducers (e.g., rifampin, carbamazepine): may reduce imatinib exposure, decreasing therapeutic effect.

Moderate Interactions (Monitor Closely)

  • Acid‑reducing agents (e.g., proton pump inhibitors, antacids): may lower absorption; separate dosing by at least 2 hours.
  • Anticoagulants (e.g., warfarin): imatinib may enhance anticoagulant effect, requiring INR monitoring.
  • Live attenuated vaccines: potential reduced efficacy; consider timing of vaccination.

Frequently Asked Questions

Imatinib Rowex contains the active substance imatinib, a tyrosine kinase inhibitor indicated for the treatment of chronic myeloid leukemia (CML) and gastrointestinal stromal tumor (GIST) in adult patients. It works by targeting specific enzymes that drive the growth of malignant cells, helping to achieve disease control and improve survival outcomes when prescribed by a qualified oncologist.

Imatinib selectively blocks the ATP‑binding sites of BCR‑ABL, c‑KIT, and platelet‑derived growth factor receptors (PDGFR). By inhibiting these tyrosine kinases, the drug prevents downstream signaling that promotes uncontrolled cell proliferation, survival, and angiogenesis, leading to reduced tumor growth and, in many cases, tumor regression.

The dosage of Imatinib Rowex is individualized and determined by the prescribing physician based on the specific indication, disease stage, patient weight, renal and hepatic function, and concomitant therapies. Healthcare providers follow established clinical guidelines and may adjust the dose during treatment to balance efficacy and tolerability.

The safety of Imatinib during pregnancy or lactation has not been definitively established. It is generally advised to avoid use unless the potential benefit to the mother outweighs the possible risk to the fetus or infant. Women of childbearing potential should discuss contraception and treatment options with their oncologist before initiating therapy.

To place an order, submit an enquiry on the Imatinib Rowex product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies, and procurement teams worldwide, verifying trade or institutional credentials before providing pricing, availability, shipping details, and necessary import documentation.

Imatinib was the first BCR‑ABL tyrosine kinase inhibitor approved for CML and remains a standard first‑line option. Compared with newer agents such as dasatinib or nilotinib, imatinib has a well‑characterized safety profile and extensive long‑term data, though some patients may achieve deeper molecular responses with second‑generation inhibitors. Choice of therapy depends on disease risk, tolerance, and physician assessment.

Imatinib Rowex tablets should be stored at ambient temperature, below 25 °C, in their original packaging. Protect the product from moisture, direct sunlight, and excessive heat. Do not store in bathrooms or near kitchen appliances. Keep out of reach of children and unused tablets should be discarded according to local regulations.

Imatinib Rowex is taken orally, usually once daily, with or without food, as directed by the prescribing clinician. The tablet should be swallowed whole with a glass of water and not crushed or chewed unless specifically instructed. Patients should follow the dosing schedule provided and attend regular follow‑up appointments for monitoring.

The most serious adverse events include hepatotoxicity, severe myelosuppression (such as neutropenia, anemia, or thrombocytopenia), and rare but life‑threatening skin reactions like Stevens‑Johnson syndrome or toxic epidermal necrolysis. Cardiac dysfunction, including heart failure, has also been reported. Prompt reporting of symptoms and regular laboratory monitoring are essential to mitigate these risks.

Imatinib Rowex is contraindicated in patients with known hypersensitivity to imatinib or any of its excipients. Caution is advised for individuals with pre‑existing severe hepatic impairment, uncontrolled cardiac disease, or those receiving strong CYP3A4 inducers that may reduce drug exposure. Pregnant or breastfeeding women should avoid use unless the benefits clearly outweigh the risks, and it should be prescribed only under specialist supervision.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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