Product image of Granocyte (Lenograstim) supplied by GNH India

Granocyte

Active Ingredient:
Lenograstim
Origin:
EU

Granocyte (Lenograstim)

Granocyte is a prescription medication that contains the active ingredient lenograstim, supplied as a sterile solution for intravenous or subcutaneous administration. It belongs to the granulocyte colony‑stimulating factor (G‑CSF) analog class and is used in the European market to support patients with certain hematologic conditions. Lenograstim works by stimulating the production and function of neutrophils, helping to reduce the risk of infection during treatment‑related myelosuppression.

Manufacturer / TM Owner

Chugai Pharma France, Fr, Puteaux

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Indications & Clinical Uses

Granocyte is indicated for several clinical situations where neutrophil recovery is needed. It is commonly prescribed to manage neutropenia associated with cancer therapy and to aid stem‑cell collection procedures.

  • Prevention and treatment of chemotherapy‑induced neutropenia
  • Support of myelosuppression after bone‑marrow transplantation
  • Mobilization of peripheral blood progenitor cells for autologous stem‑cell harvest
  • Adjunct therapy in patients with severe chronic neutropenia
  • Facilitation of hematopoietic recovery following high‑dose chemotherapy

Side Effects

Side effects of Granocyte vary in frequency and severity. Most patients experience mild, transient reactions, while serious events are less common but require medical attention.

Common

  • Bone pain, especially in the hips or sternum
  • Mild fever or chills
  • Injection‑site erythema or irritation
  • Headache or fatigue
  • Nausea or mild gastrointestinal discomfort

Serious

  • Severe allergic reaction (anaphylaxis) with rash, swelling, or breathing difficulty
  • Splenic rupture or enlargement causing abdominal pain
  • Acute respiratory distress syndrome (ARDS)
  • Uncontrolled leukocytosis leading to vascular complications
  • Thromboembolic events such as deep‑vein thrombosis

Precautions & Warnings

Before initiating Granocyte therapy, clinicians should evaluate patient history and monitor for potential risks. Specific considerations include:

  • Known hypersensitivity to lenograstim or any formulation components
  • Pre‑existing splenomegaly or history of splenic injury
  • Active infections, particularly uncontrolled bacterial or fungal infections
  • Recent use of other hematopoietic growth factors or chemotherapy agents
  • Pregnancy or breastfeeding status, as safety data are limited
  • Renal or hepatic impairment may require dose adjustment or closer monitoring

Avoid Interactions

Granocyte may interact with other medications, influencing its efficacy or safety profile. Awareness of these interactions helps optimize patient care.

Avoid

  • Concurrent use of other G‑CSF products, which can increase the risk of severe leukocytosis
  • Live vaccines during treatment, due to potential alteration of immune response

Use with caution

  • Corticosteroids, which may mask signs of infection
  • Anticoagulants, as elevated white‑cell counts can affect coagulation parameters
  • Chemotherapeutic agents that cause profound myelosuppression, requiring coordinated timing

Frequently Asked Questions

Lenograstim binds to the granulocyte colony‑stimulating factor (G‑CSF) receptor on hematopoietic stem cells, stimulating proliferation, differentiation, and activation of neutrophil precursors and mature neutrophils.

Granocyte is typically prescribed for patients undergoing chemotherapy who develop neutropenia, individuals after bone‑marrow transplantation with myelosuppression, and those needing peripheral blood progenitor cell mobilization for stem‑cell collection.

Yes, Granocyte is approved for both intravenous and subcutaneous routes, allowing flexibility based on clinical setting and patient preference.

Neutrophil recovery is often observed within 3 to 5 days after administration, though the exact timing depends on the underlying condition and concurrent therapies.

Common adverse reactions include bone pain, mild fever, injection‑site irritation, headache, fatigue, and occasional nausea or gastrointestinal discomfort.

Treatment should be stopped if a patient experiences severe allergic reactions, splenic rupture, uncontrolled leukocytosis, or any serious adverse event such as acute respiratory distress syndrome.

Live vaccines are generally avoided during Granocyte treatment because the drug can modify the immune response, potentially reducing vaccine effectiveness or increasing risk.

Corticosteroids may mask signs of infection, so clinicians should monitor patients closely when both agents are used together.

Regular complete blood counts to track neutrophil levels, assessment for signs of infection, and periodic evaluation of spleen size are recommended throughout therapy.

The safety of lenograstim during pregnancy and lactation has not been established; it should be used only if the potential benefit justifies the potential risk.

Lenograstim is a glycosylated form of G‑CSF, which may result in a different pharmacokinetic profile compared with non‑glycosylated products such as filgrastim, though clinical efficacy is comparable.

While specific dose adjustments are not universally required, clinicians often monitor these patients more closely and may modify dosing based on individual response and tolerability.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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