Europe — EMA
Imatinib Orion
GNH USA supplies Imatinib Orion (Imatinib), a tyrosine kinase inhibitor for chronic myeloid leukemia, acute lymphoblastic leukemia and gastrointestinal
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What is Imatinib?
Imatinib, the active ingredient in Imatinib Orion, is a tyrosine kinase inhibitor presented as an oral dosage form for oral use. It is used to treat specific blood‑cell cancers and certain solid‑tumor types in adult patients. GNH USA supplies Imatinib Orion as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, oncology centres, pharmacies and clinics worldwide.
What is Imatinib used for?
Imatinib Orion acts on malignant cells driven by BCR‑ABL, c‑KIT or PDGFR signaling pathways. - Chronic myeloid leukemia: helps achieve hematologic and cytogenetic remission. - Acute lymphoblastic leukemia: contributes to disease control when the BCR‑ABL fusion is present. - Gastrointestinal stromal tumor: inhibits tumor growth driven by c‑KIT mutations.
What are the side effects of Imatinib?
Adverse reactions may vary in frequency and severity.
Common Side Effects: - Nausea: mild to moderate gastrointestinal upset. - Edema: peripheral swelling, often of the ankles. - Fatigue: reduced energy levels and general tiredness. - Diarrhea: loose stools that may be intermittent. - Rash: mild skin erythema or pruritus. - Muscle cramps: transient tightening of skeletal muscles.
Serious or Rare Side Effects: - Severe neutropenia: marked reduction in white blood cells, increasing infection risk. - Hepatotoxicity: elevated liver enzymes or liver injury. - Cardiac failure: signs of reduced cardiac output, such as dyspnea. - Pulmonary hypertension: elevated pressure in lung arteries causing breathlessness. - Stevens‑Johnson syndrome: severe skin and mucosal reactions.
What precautions apply to Imatinib?
Patients should be monitored regularly for laboratory and clinical changes. - Blood counts: perform complete blood count before and during therapy. - Liver function: assess hepatic enzymes periodically. - Cardiac assessment: evaluate for signs of heart failure or hypertension. - Hypersensitivity: discontinue if severe allergic reactions occur. - Pregnancy and lactation: use only if benefits outweigh potential risks. - Store at room temperature: keep in the original container, protect from moisture and direct sunlight.
What does Imatinib interact with?
Imatinib may interact with other medicines that affect its metabolism or pharmacodynamic profile.
Major Interactions (Avoid): - Strong CYP3A4 inhibitors (e.g., ketoconazole, itraconazole): may increase Imatinib exposure. - Potent CYP3A4 inducers (e.g., rifampin, carbamazepine): may reduce therapeutic levels. - Antacids containing aluminum or magnesium: can impair absorption if taken simultaneously.
Moderate Interactions (Monitor Closely): - Warfarin: may enhance anticoagulant effect, requiring INR monitoring. - Diuretics (e.g., furosemide): may increase risk of fluid retention. - Vaccines (live attenuated): consider timing to avoid reduced vaccine efficacy.



