Product image of Jakavi (Ruxolitinib) supplied by GNH India

Jakavi

Active Ingredient:
Ruxolitinib
Origin:
EU

Jakavi (Ruxolitinib)

Ruxolitinib, the active ingredient in Jakavi, is a Janus kinase (JAK) inhibitor presented as a tablet for oral use. It treats certain hematologic malignancies, specifically myelofibrosis, polycythemia vera, and acute graft‑versus‑host disease, in adult patients, and can improve disease‑related symptoms and quality of life.

GNH India supplies Jakavi as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, transplant centres, oncology centres, pharmacies and clinics worldwide. The company follows stringent quality standards and provides full regulatory documentation to facilitate import, registration and clinical use in multiple regions.

Manufacturer / TM Owner

Novartis Europharm Limited

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Indications & Clinical Uses

  • Jakavi (ruxolitinib) is indicated for several myeloproliferative disorders and immune‑mediated conditions where JAK‑STAT signaling contributes to disease pathology.
  • Myelofibrosis: reduces spleen size, improves blood counts and alleviates constitutional symptoms such as fatigue and night sweats.
  • Polycythemia vera: helps control elevated hematocrit, reduces thrombotic risk and decreases the frequency of therapeutic phlebotomy.
  • Acute graft‑versus‑host disease: moderates donor‑derived immune response, leading to improvement in skin rash, liver enzyme elevation and gastrointestinal inflammation.

How It Works

  • Ruxolitinib selectively inhibits the intracellular tyrosine kinases JAK1 and JAK2, which are key components of the JAK‑STAT signaling cascade. By blocking phosphorylation of STAT proteins, the drug diminishes cytokine‑driven proliferation and survival signals in malignant hematopoietic cells and modulates aberrant immune activation, thereby addressing the pathophysiology of myeloproliferative neoplasms and graft‑versus‑host disease.

Side Effects

Jakavi may cause a range of adverse reactions, which are categorized by frequency and severity.

Common Side Effects

  • Anemia
  • Thrombocytopenia
  • Diarrhea

Serious or Rare Side Effects

  • Severe infections, including opportunistic pathogens
  • Reactivation of hepatitis B virus
  • Pulmonary hypertension

Precautions & Warnings

Before and during treatment, clinicians should observe several safety measures.

  • Monitor blood counts: regular CBC testing to detect cytopenias.
  • Assess infection risk: screen for active infections before initiating therapy.
  • Liver function: evaluate hepatic enzymes periodically.
  • Pregnancy: avoid use unless benefits outweigh potential risks, as safety is unknown.
  • Drug interactions: avoid concomitant strong CYP3A4 inhibitors without dose adjustment.
  • Store at ambient temperature: keep tablets in original container, protect from moisture and light.

Avoid Interactions

Ruxolitinib can interact with other medicines, requiring careful management.

Major Interactions (Avoid)

  • Strong CYP3A4 inhibitors (e.g., ketoconazole, clarithromycin): may increase ruxolitinib exposure.
  • Potent CYP3A4 inducers (e.g., rifampin, carbamazepine): may reduce efficacy.
  • Live vaccines: increased risk of infection.

Moderate Interactions (Monitor Closely)

  • Moderate CYP3A4 inhibitors (e.g., fluconazole): may require dose adjustment.
  • Anticoagulants (e.g., warfarin): may enhance bleeding risk, monitor INR.
  • Antiplatelet agents (e.g., aspirin): monitor for thrombocytopenia.

Frequently Asked Questions

Jakavi (ruxolitinib) is approved for the treatment of myelofibrosis, polycythemia vera, and acute graft‑versus‑host disease. In each case the drug targets abnormal JAK‑STAT signaling that drives disease progression, helping to control blood counts, reduce organ enlargement, and mitigate immune‑mediated tissue damage.

Ruxolitinib blocks the activity of Janus kinase 1 and 2 (JAK1/JAK2), enzymes that transmit signals from cytokine receptors to the nucleus via the STAT pathway. By inhibiting this cascade, the drug reduces abnormal cell proliferation and dampens inflammatory signaling that underlies the listed hematologic and immune disorders.

The dose of Jakavi is individualized by the prescribing physician based on the specific indication, patient weight, blood‑count parameters and tolerability. Dosing may be adjusted over time, and any changes should be made only under medical supervision.

Safety of ruxolitinib in pregnancy and lactation has not been established. The product is classified as pregnancy category unknown, and it is generally advised to avoid use unless the potential benefit justifies the potential risk to the fetus or infant.

To request Jakavi, 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 any cold‑chain requirements) and necessary import documentation.

Jakavi (ruxolitinib) is a first‑generation JAK1/JAK2 inhibitor, whereas alternatives such as fedratinib target JAK2 more selectively. Clinical data suggest comparable efficacy in myelofibrosis, but safety profiles differ; for example, fedratinib has a higher reported incidence of gastrointestinal toxicity, while ruxolitinib is more associated with cytopenias.

Jakavi tablets should be stored at ambient temperature, below 25 °C, in the original blister pack or container. Protect them from excess moisture, heat and direct sunlight to maintain product stability throughout its shelf life.

Jakavi is taken orally as a tablet, usually with water. It can be swallowed with or without food, but patients should follow the dosing schedule prescribed by their clinician and avoid crushing or chewing the tablet.

The most serious risks include severe or opportunistic infections, reactivation of hepatitis B, pulmonary hypertension, significant liver enzyme elevations, and the possible development of secondary malignancies. Patients should be monitored closely for signs of infection, respiratory symptoms, and abnormal laboratory values.

Jakavi is contraindicated in patients with severe hepatic impairment, active uncontrolled infections, and in pregnant women unless the benefit outweighs the risk. Caution is also advised for individuals with a history of severe cardiovascular disease or known hypersensitivity to ruxolitinib.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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