GNH USA

Europe — EMA

Lanvis

GNH USA supplies Lanvis (Tioguanine), a purine analog for acute lymphoblastic leukemia, acute myeloid leukemia, and inflammatory bowel disease.

Tioguanine

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What is Tioguanine?

Tioguanine, the active ingredient in Lanvis, is a purine analog presented as an unspecified strength/oral tablet for oral use. It treats acute lymphoblastic leukemia, acute myeloid leukemia, and inflammatory bowel disease in appropriate patients.

GNH USA supplies Lanvis as a licensed, GDP-compliant international pharmaceutical supplier serving hospitals, oncology centres, and pharmacies worldwide.

What is Tioguanine used for?

Lanvis (tioguanine) is employed in the management of hematologic malignancies and selected inflammatory conditions.

Acute lymphoblastic leukemia: helps achieve remission by targeting rapidly dividing lymphoblasts. Acute myeloid leukemia: contributes to disease control through cytotoxic effects on myeloid blasts. Inflammatory bowel disease: provides immunosuppression to reduce intestinal inflammation.

What are the side effects of Tioguanine?

Adverse reactions may occur with tioguanine therapy and should be monitored.

Common Side Effects: - Nausea - Vomiting - Diarrhea - Mild bone marrow suppression (e.g., transient neutropenia) - Fever - Rash

Serious or Rare Side Effects: - Severe myelosuppression leading to infection or bleeding - Hepatic toxicity (elevated transaminases, hepatitis) - Pancreatitis - Opportunistic infections - Secondary malignancies - Severe allergic reactions (anaphylaxis).

What precautions apply to Tioguanine?

Tioguanine therapy requires careful monitoring and patient assessment.

Dose adjustment: monitor complete blood count regularly. Liver function: assess hepatic enzymes before and during therapy. Renal function: adjust in severe renal impairment. Infection risk: avoid in active infections. Pregnancy: use only if benefits outweigh risks. Store at below 25°C: keep in the original pack, protect from moisture.

What does Tioguanine interact with?

Tioguanine can interact with several medications, necessitating vigilance.

Major Interactions (Avoid): - Allopurinol: increased toxicity risk. - Azathioprine: additive myelosuppression. - Warfarin: enhanced anticoagulant effect.

Moderate Interactions (Monitor Closely): - Antibiotics (e.g., trimethoprim‑sulfamethoxazole): monitor blood counts. - Antifungals (e.g., fluconazole): may increase plasma levels. - Live vaccines: reduced efficacy, consider alternatives.

Frequently asked questions

What is Lanvis used for?+
Lanvis contains tioguanine and is indicated for the treatment of acute lymphoblastic leukemia, acute myeloid leukemia, and as an immunosuppressant in inflammatory bowel disease. It is prescribed by oncologists or gastroenterologists as part of chemotherapy or maintenance regimens, depending on disease severity and patient response.
How does tioguanine work?+
Tioguanine is a purine analog that is metabolized inside cells to thioguanine nucleotides. These nucleotides become incorporated into DNA and RNA, disrupting purine synthesis, leading to cytotoxicity in rapidly dividing cells and suppressing immune cell proliferation.
What is the usual dose of Lanvis?+
The dose of Lanvis is individualized by the prescribing physician based on the specific indication, patient weight, renal and hepatic function, and treatment protocol. Clinicians calculate the appropriate amount and schedule, and patients should follow the prescribed regimen exactly.
Is Lanvis safe in pregnancy or breastfeeding?+
The safety of tioguanine during pregnancy or lactation has not been definitively established. It should only be used if the potential benefits justify the potential risks to the fetus or infant, and the decision must be made by a qualified healthcare professional.
How do I order Lanvis from GNH USA?+
To place an order, submit an enquiry on the Lanvis product page at gnh-usa.com, providing the required quantity and institutional credentials. GNH USA works with hospitals, pharmacies, and procurement teams worldwide, confirming trade or institutional verification before supplying pricing, availability, shipping details, and any necessary import documentation.
How does Lanvis compare with the main alternative drug?+
The primary alternative to tioguanine is mercaptopurine, another purine analog used in similar hematologic and inflammatory conditions. While both agents inhibit purine synthesis, tioguanine may have a different toxicity profile and dosing schedule; selection depends on patient tolerance, disease characteristics, and physician preference.
How should Lanvis be stored and handled?+
Lanvis should be stored at temperatures below 25 °C, in its original packaging, protected from moisture and direct sunlight. Keep the product out of reach of children and avoid exposure to excessive heat or humidity, which could compromise stability.
How is Lanvis administered?+
Lanvis is taken orally, typically as a tablet, with or without food as directed by the prescribing clinician. The exact administration schedule, such as daily or intermittent dosing, is determined by the treating physician based on the therapeutic goal and patient response.
What are the most serious risks associated with Lanvis?+
The most serious risks include severe myelosuppression leading to life‑threatening infections or bleeding, hepatic toxicity, pancreatitis, and the potential development of secondary malignancies. Patients should be monitored regularly for blood counts, liver enzymes, and any signs of infection or organ dysfunction.
Who should not use Lanvis?+
Lanvis is contraindicated in patients with known hypersensitivity to tioguanine or other purine analogs, those with severe hepatic impairment, and individuals with active uncontrolled infections. Caution is also advised for patients with significant bone marrow suppression or those receiving other myelosuppressive therapies.
Information provided on this page is for educational use by procurement and clinical professionals. Always consult a licensed healthcare provider for medical advice and prescribing decisions. GNH USA supplies this product subject to applicable regulatory and licensing requirements.
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Product details

Drug
Tioguanine
Route
Oral Use
Manufacturer
Aspen Pharma Trading Limited
Origin
EU

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