Product image of Mercaptopurina Silver (Mercaptopurine Monohydrate) supplied by GNH India

Mercaptopurina Silver

Active Ingredient:
Mercaptopurine Monohydrate
Origin:
EU

Mercaptopurina Silver (Mercaptopurine Monohydrate)

Mercaptopurine, the active ingredient in Mercaptopurina Silver, is a purine analog antimetabolite presented as an oral tablet for oral use. It is employed in the treatment of acute lymphoblastic leukemia, chronic myeloid leukemia, and inflammatory bowel disease such as Crohn’s disease and ulcerative colitis in eligible patients.

GNH India supplies Mercaptopurina Silver as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, oncology centres and pharmacies, and clinics, ensuring timely delivery and regulatory compliance across multiple continents for.

Manufacturer / TM Owner

Silver Pharma S.L.

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Indications & Clinical Uses

Mercaptopurine is used in hematologic malignancies and inflammatory bowel disease to inhibit abnormal cell proliferation.

  • Acute lymphoblastic leukemia: induces remission by targeting rapidly dividing lymphoblasts.
  • Chronic myeloid leukemia: contributes to disease control when combined with other agents.
  • Crohn’s disease: reduces intestinal inflammation and maintains long‑term remission.
  • Ulcerative colitis: helps sustain remission and decrease steroid dependence.
  • Graft‑versus‑host disease prophylaxis: provides immunosuppression to prevent donor‑derived immune reactions.

How It Works

  • Mercaptopurine is a purine analog that blocks de novo purine synthesis, leading to depletion of intracellular nucleotides. It is incorporated into DNA and RNA, causing faulty nucleic acid synthesis, cell cycle arrest, and apoptosis of rapidly dividing cells, while also suppressing immune cell proliferation through inhibition of lymphocyte activation.

Side Effects

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

Common Side Effects

  • Nausea: mild to moderate gastrointestinal upset.
  • Diarrhea: loose stools that may affect hydration.
  • Fatigue: generalized tiredness.
  • Rash: skin irritation or erythema.

Serious or Rare Side Effects

  • Bone marrow suppression: severe neutropenia or anemia.
  • Hepatotoxicity: elevated liver enzymes or liver injury.
  • Severe infection: opportunistic infections due to immunosuppression.
  • Pancreatitis: acute inflammation of the pancreas.

Precautions & Warnings

When prescribing Mercaptopurina Silver, clinicians should observe several safety measures.

  • Dose adjustment in renal or hepatic impairment: modify dose based on organ function.
  • Monitor blood counts regularly: check CBC to detect myelosuppression.
  • Avoid use in pregnancy unless essential: teratogenic risk (Category D).
  • Use effective contraception: prevent fetal exposure.
  • Avoid live vaccines: immunosuppression may increase risk.
  • Store at below 25°C: keep in the original pack, protect from moisture.

Avoid Interactions

Mercaptopurine interacts with several medicines; awareness of the interaction level guides clinical decisions.

Major Interactions (Avoid)

  • Allopurinol: increased risk of myelosuppression.
  • Warfarin: enhanced anticoagulant effect.
  • Azathioprine: additive immunosuppression.

Moderate Interactions (Monitor Closely)

  • 5‑ASA agents: may increase mercaptopurine toxicity.
  • Methotrexate: overlapping marrow suppression.
  • Rifampin: may reduce plasma levels of mercaptopurine.

Frequently Asked Questions

Mercaptopurina Silver contains mercaptopurine, which is indicated for the treatment of acute lymphoblastic leukemia, chronic myeloid leukemia, and inflammatory bowel diseases such as Crohn’s disease and ulcerative colitis. It may also be used for graft‑versus‑host disease prophylaxis in transplant settings.

Mercaptopurine acts as a purine analog that blocks the synthesis of new purine nucleotides. It is incorporated into DNA and RNA, leading to faulty nucleic acid formation, cell‑cycle arrest, and apoptosis of rapidly dividing cells, while also suppressing immune‑cell activation.

The dose of Mercaptopurina Silver is individualized by the prescribing clinician based on the patient’s diagnosis, age, weight, organ function, and concurrent therapies. Only a qualified health professional should determine the appropriate regimen.

Mercaptopurina Silver is classified as Pregnancy Category D, indicating evidence of fetal risk. It should be avoided in pregnancy unless the potential benefit justifies the risk. Breastfeeding is not recommended because the drug is excreted in milk and may harm the infant.

To request Mercaptopurina Silver, 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.

Mercaptopurine belongs to the purine analog class, offering oral administration and a well‑characterised mechanism of inhibiting nucleic‑acid synthesis. Compared with agents such as azathioprine, it has a similar immunosuppressive profile but may require more intensive blood‑count monitoring due to a higher risk of myelosuppression.

Mercaptopurina Silver should be stored at temperatures below 25 °C, in its original packaging, protected from moisture and direct sunlight. Keeping the product in a dry, cool environment helps maintain its potency and stability.

Mercaptopurina Silver is supplied as an oral tablet and is taken by mouth with or without food, as directed by the prescribing clinician. Swallow the tablet whole; do not crush or chew unless specifically instructed.

The most serious risks include severe bone‑marrow suppression leading to neutropenia or anemia, hepatotoxicity, life‑threatening infections due to immunosuppression, and rare cases of pancreatitis. Regular laboratory monitoring is essential to detect these complications early.

Mercaptopurina Silver is contraindicated in patients with known hypersensitivity to mercaptopurine, those with severe hepatic or renal impairment where dose adjustment is not feasible, and pregnant women unless the benefit outweighs the risk. It should also be avoided in individuals receiving live vaccines.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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