Product image of Jayempi (Azathioprine) supplied by GNH India

Jayempi

Active Ingredient:
Azathioprine
Origin:
EU

Jayempi (Azathioprine)

Azathioprine, the active ingredient in Jayempi, is an immunosuppressant presented as an oral formulation for oral use. It is employed to prevent organ rejection and to manage autoimmune conditions such as rheumatoid arthritis, inflammatory bowel disease, and autoimmune hepatitis. It belongs to the antimetabolite class and works by interfering with DNA synthesis in rapidly dividing immune cells.

GNH India supplies Jayempi as a licensed, GDP‑compliant international pharmaceutical supplier, providing high‑quality medicines to hospitals, transplant centres, oncology centres, pharmacies and clinics worldwide, with robust quality assurance and regulatory adherence.

Manufacturer / TM Owner

Lipomed Gmbh

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Indications & Clinical Uses

Azathioprine is used to modulate immune activity in several chronic conditions.

  • Organ transplantation: helps prevent graft rejection by suppressing T‑cell activation.
  • Rheumatoid arthritis: reduces joint inflammation and disease progression in patients with moderate to severe disease.
  • Inflammatory bowel disease: induces and maintains remission in Crohn’s disease and ulcerative colitis.
  • Autoimmune hepatitis: controls hepatic inflammation and improves liver function in autoimmune‑mediated hepatitis.

How It Works

  • Azathioprine is a purine analog that is converted intracellularly to 6‑mercaptopurine nucleotides. These metabolites inhibit de novo purine synthesis, leading to reduced DNA and RNA formation. The resulting blockade of lymphocyte proliferation diminishes the activity of both T‑ and B‑cells, thereby attenuating the immune response that drives graft rejection and autoimmune inflammation. The drug’s effect is dose‑dependent and may be potentiated by concomitant medications that affect its metabolic pathway.

Side Effects

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

Common Side Effects

  • Nausea and vomiting
  • Loss of appetite
  • Fatigue
  • Mild leukopenia

Serious or Rare Side Effects

  • Severe bone marrow suppression (agranulocytosis)
  • Hepatotoxicity with elevated liver enzymes
  • Increased risk of opportunistic infections
  • Pancreatitis
  • Possible malignancies such as lymphoma

Precautions & Warnings

When prescribing azathioprine, clinicians should observe several safety measures to minimize risks.

  • Monitor blood counts: perform regular complete blood count tests to detect leukopenia or anemia.
  • Assess liver function: conduct periodic liver enzyme tests to identify hepatotoxicity early.
  • Avoid live vaccines: patients on azathioprine should not receive live attenuated vaccines due to impaired immunity.
  • Use effective contraception: azathioprine is contraindicated in pregnancy (Category D) and requires reliable birth control for both sexes.
  • Adjust dose in renal/hepatic impairment: reduce dosage according to renal or hepatic function to prevent accumulation.
  • Store at room temperature: keep tablets in the original container, protect from moisture and heat.

Avoid Interactions

Azathioprine interacts with several medicines that can alter its efficacy or toxicity.

Major Interactions (Avoid)

  • Allopurinol or febuxostat: may markedly increase azathioprine toxicity, requiring dose reduction or avoidance.
  • Warfarin: azathioprine can enhance anticoagulant effect, increasing bleeding risk.
  • Live viral vaccines: concurrent use can lead to severe infection.

Moderate Interactions (Monitor Closely)

  • ACE inhibitors and ARBs: may increase risk of renal dysfunction when combined with azathioprine.
  • NSAIDs: can exacerbate gastrointestinal irritation and affect renal function.
  • Sulfonamide antibiotics (e.g., trimethoprim‑sulfamethoxazole): may increase bone marrow suppression.
  • Ribavirin: may potentiate hematologic toxicity.

Frequently Asked Questions

Jayempi contains azathioprine, an immunosuppressant used to prevent rejection after organ transplantation and to treat several autoimmune disorders, including rheumatoid arthritis, inflammatory bowel disease (Crohn’s disease and ulcerative colitis) and autoimmune hepatitis.

Azathioprine is a purine analog that is metabolised to 6‑mercaptopurine nucleotides, which inhibit de novo purine synthesis. This blocks DNA and RNA formation in rapidly dividing lymphocytes, reducing the proliferation of T‑ and B‑cells and thereby dampening the immune response.

The appropriate dose of azathioprine is individualized by the prescribing clinician based on the specific indication, patient weight, renal and hepatic function, and concurrent medications. Dosage adjustments are guided by therapeutic response and regular laboratory monitoring.

Azathioprine is classified as Pregnancy Category D, indicating evidence of risk to the fetus. It is generally avoided during pregnancy unless the potential benefit outweighs the risk. Limited data suggest low levels may be present in breast milk, so breastfeeding is usually discouraged while on therapy.

To order Jayempi, 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 and any necessary import documentation.

Both azathioprine and mycophenolate mofetil are antimetabolite immunosuppressants, but they differ in potency and side‑effect profiles. Mycophenolate often provides stronger lymphocyte inhibition with a lower incidence of bone‑marrow suppression, while azathioprine is less expensive and has a longer history of use in transplantation and rheumatology.

Jayempi tablets should be stored at room temperature, below 25 °C, in the original packaging to protect them from moisture and light. Keep the container tightly closed and out of reach of children.

Jayempi is taken orally, usually with food or a glass of water to reduce gastrointestinal irritation. The exact timing and frequency are determined by the prescriber, who may adjust the regimen based on therapeutic response and laboratory results.

Serious risks include severe bone‑marrow suppression (agranulocytosis), hepatotoxicity with marked liver enzyme elevation, opportunistic infections due to immune suppression, pancreatitis, and a potential increased risk of certain malignancies such as lymphoma. Prompt reporting of fever, jaundice, or unusual bruising is essential.

Azathioprine is contraindicated in patients with known hypersensitivity to the drug, those with severe hepatic impairment, and individuals who are pregnant or planning pregnancy without adequate contraception. It should also be avoided in patients receiving live vaccines or those with active, uncontrolled infections.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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