Product image of Ledertrexate (Methotrexate Disodium) supplied by GNH India

Ledertrexate

Active Ingredient:
Methotrexate Disodium
Origin:
EU

Ledertrexate (Methotrexate Disodium)

Methotrexate Disodium, the active ingredient in Ledertrexate, is an antimetabolite presented as a sterile injectable for intraarterial, intracardiac, and intramuscular use. It is employed in the management of autoimmune disorders and certain cancers, targeting abnormal cell proliferation.

GNH India supplies Ledertrexate as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, oncology centres, and pharmacies worldwide.

Manufacturer / TM Owner

Pfizer S.A.

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Indications & Clinical Uses

Ledertrexate is a methotrexate formulation used across several disease families, primarily autoimmune and malignant conditions.

  • Rheumatoid arthritis: reduces joint inflammation and slows disease progression.
  • Psoriasis: diminishes skin lesions and curtails plaque formation.
  • Acute lymphoblastic leukemia: interferes with leukemic cell replication to achieve remission.
  • Non‑Hodgkin lymphoma: impedes malignant lymphocyte growth as part of combination therapy.
  • Gestational trophoblastic disease: promotes resolution of abnormal trophoblastic tissue.

How It Works

  • Methotrexate Disodium inhibits dihydrofolate reductase, leading to decreased tetrahydrofolate levels. This reduction impairs the synthesis of purine and pyrimidine nucleotides, thereby blocking DNA, RNA, and protein synthesis in rapidly dividing cells. The resulting cytostatic effect curtails immune cell proliferation in autoimmune diseases and halts tumor cell growth in malignancies.

Side Effects

Adverse reactions may vary in frequency and severity.

Common Side Effects

  • Nausea and vomiting
  • Oral ulceration or mucositis
  • Fatigue or malaise
  • Alopecia (hair loss)
  • Elevated liver enzymes
  • Mild skin rash

Serious or Rare Side Effects

  • Bone marrow suppression leading to pancytopenia
  • Severe hepatic toxicity or fibrosis
  • Pulmonary fibrosis or interstitial pneumonitis
  • Acute renal failure
  • Life‑threatening infections due to immunosuppression
  • Teratogenic effects causing fetal malformations

Precautions & Warnings

Careful monitoring and patient education are essential when using Ledertrexate.

  • Blood count monitoring: perform complete blood counts regularly to detect marrow suppression.
  • Liver function assessment: evaluate hepatic enzymes before and during therapy.
  • Renal function evaluation: adjust dosing if creatinine clearance is reduced.
  • Pregnancy avoidance: contraindicated in pregnancy; ensure effective contraception.
  • Contraception counseling: advise both male and female patients on reliable methods.
  • Store at ambient temperature: keep in original container, protect from moisture and light.

Avoid Interactions

Methotrexate Disodium has notable drug interactions that require attention.

Major Interactions (Avoid)

  • NSAIDs: increase risk of gastrointestinal toxicity and renal impairment.
  • Penicillins: may reduce methotrexate clearance, raising systemic exposure.
  • Sulfonamides: potentiate bone‑marrow suppression.

Moderate Interactions (Monitor Closely)

  • Azathioprine: additive immunosuppressive effect, monitor blood counts.
  • Cyclosporine: can elevate methotrexate plasma levels, adjust dose as needed.
  • Trimethoprim: may increase renal toxicity, observe renal function.

Frequently Asked Questions

Ledertrexate, containing methotrexate disodium, is indicated for rheumatoid arthritis, psoriasis, acute lymphoblastic leukemia, non‑Hodgkin lymphoma, and gestational trophoblastic disease. In each case it works by inhibiting cell proliferation, thereby reducing inflammation in autoimmune disorders or limiting tumor growth in cancers.

Methotrexate disodium blocks the enzyme dihydrofolate reductase, which lowers tetrahydrofolate levels needed for DNA and RNA synthesis. This interruption hampers the replication of rapidly dividing cells, such as immune cells in arthritis or malignant cells in cancer, leading to therapeutic effects.

The appropriate dose of Ledertrexate is determined by the prescribing clinician based on the specific indication, patient characteristics, and treatment response. Dosage regimens vary widely, so the prescriber sets the exact amount and schedule for each individual.

Ledertrexate is classified as pregnancy category X, meaning it is contraindicated in pregnancy due to a high risk of fetal malformations. It is also not recommended while breastfeeding because it can be excreted in milk and affect the infant.

To request Ledertrexate, submit an enquiry on the 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 (including cold‑chain if needed), and import documentation.

Ledertrexate is a methotrexate disodium formulation comparable in efficacy to other methotrexate brands. Differences may lie in manufacturing processes, packaging, or regulatory status, but the pharmacologic activity and therapeutic profile remain consistent across approved methotrexate products.

Ledertrexate should be stored at ambient temperature, below 25 °C, in its original packaging. Protect the product from moisture, direct sunlight, and extreme temperature fluctuations to maintain stability.

Ledertrexate is supplied as a sterile injectable solution and is administered via intra‑arterial, intracardiac, or intramuscular injection, depending on the clinical indication and physician’s judgment. Administration is performed by qualified healthcare professionals under aseptic conditions.

The most serious risks include bone‑marrow suppression leading to severe cytopenias, hepatotoxicity that can progress to fibrosis, pulmonary toxicity such as interstitial pneumonitis, renal failure, life‑threatening infections, and teratogenic effects causing fetal anomalies.

Ledertrexate is contraindicated in pregnant women, individuals with known hypersensitivity to methotrexate or its excipients, patients with severe liver or kidney impairment, and those with active, uncontrolled infections. It should also be avoided in patients receiving live vaccines.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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