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 (folate antagonist) presented as an oral dosage form for systemic use. It is employed to treat autoimmune disorders such as rheumatoid arthritis and psoriasis, as well as specific cancers including acute lymphoblastic leukemia and non‑Hodgkin lymphoma in adult patients.

GNH India supplies Ledertrexate as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides regulatory documentation for importers and timely delivery.

Manufacturer / TM Owner

Pfizer S.A.

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Indications & Clinical Uses

Methotrexate Disodium is used in several immune‑mediated and oncologic conditions, targeting abnormal cell proliferation.

  • Rheumatoid arthritis: reduces joint inflammation and slows disease progression.
  • Psoriasis: decreases skin plaque formation and severity.
  • Acute lymphoblastic leukemia: induces remission by inhibiting malignant lymphoblast proliferation.
  • Non‑Hodgkin lymphoma: contributes to tumor control through cytotoxic effects.
  • Ectopic pregnancy: terminates trophoblastic tissue when surgical management is not chosen.

How It Works

  • Methotrexate Disodium inhibits dihydrofolate reductase, leading to reduced tetrahydrofolate levels. This impairs synthesis of purine nucleotides and thymidylate, thereby blocking DNA synthesis, repair, and cellular replication in rapidly dividing cells, including immune cells and malignant clones.

Side Effects

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

Common Side Effects

  • Nausea and vomiting.
  • Fatigue and malaise.
  • Oral mucosal ulceration.
  • Elevated liver enzymes.
  • Mild leukopenia or thrombocytopenia.

Serious or Rare Side Effects

  • Severe hepatotoxicity or fibrosis.
  • Pulmonary fibrosis or interstitial pneumonitis.
  • Life‑threatening bone marrow suppression.
  • Acute renal failure.
  • Severe infection due to immunosuppression.

Precautions & Warnings

When prescribing Methotrexate Disodium, clinicians should observe several safety measures to minimize risk.

  • Pregnancy contraindication: avoid use in pregnant women (Category X).
  • Liver function monitoring: perform baseline and periodic LFTs.
  • Hematologic monitoring: check complete blood count regularly.
  • Live vaccine avoidance: do not administer live attenuated vaccines during therapy.
  • Renal impairment dose adjustment: reduce dose or increase monitoring.
  • Store below 25°C: keep in the original pack, protect from moisture and light.

Avoid Interactions

Methotrexate Disodium interacts with several medicines, requiring careful management.

Major Interactions (Avoid)

  • NSAIDs: increase methotrexate toxicity.
  • Other folate antagonists: additive bone marrow suppression.
  • Trimethoprim‑sulfamethoxazole: heightened risk of myelosuppression.
  • Live vaccines: risk of severe infection.
  • Alcohol: potentiates hepatotoxicity.

Moderate Interactions (Monitor Closely)

  • Proton pump inhibitors: may affect absorption.
  • Diuretics: can raise serum methotrexate levels.
  • ACE inhibitors: possible renal function impact.
  • Oral contraceptives: may reduce efficacy of methotrexate.
  • Allopurinol: may increase methotrexate plasma concentration.

Frequently Asked Questions

Ledertrexate, containing methotrexate disodium, is indicated for rheumatoid arthritis, psoriasis, acute lymphoblastic leukemia, non‑Hodgkin lymphoma, and ectopic pregnancy when medical management is preferred over surgery.

Methotrexate disodium blocks the enzyme dihydrofolate reductase, lowering tetrahydrofolate levels and thereby inhibiting DNA, RNA and protein synthesis in rapidly dividing cells, which reduces inflammation and tumor growth.

The dose of Ledertrexate is determined individually by the prescribing clinician based on the specific indication, patient characteristics, renal and hepatic function, and response to therapy.

Ledertrexate is classified as pregnancy category X; it is contraindicated in pregnancy because it can cause fetal harm. Use during breastfeeding is also not recommended as it may be excreted in milk.

To order, submit an enquiry on the Ledertrexate 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 and any required import documentation.

Compared with biologic agents, methotrexate is a small‑molecule antimetabolite that can be taken orally and is generally less expensive, but it may require more laboratory monitoring for hepatic and hematologic safety.

Ledertrexate should be stored below 25 °C in its original packaging, protected from moisture and light, to maintain stability and potency.

Ledertrexate is administered orally, usually as a tablet taken with water. The exact schedule—daily, weekly or as otherwise directed—depends on the treating physician’s prescription.

Serious risks include severe liver toxicity, pulmonary fibrosis, life‑threatening bone marrow suppression, renal failure, and opportunistic infections, all of which require prompt medical attention if symptoms arise.

Ledertrexate should not be used by pregnant women, individuals with severe liver or renal impairment, patients with known hypersensitivity to methotrexate, or those receiving live vaccines without appropriate medical supervision.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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