Product image of Kleileuk (Bendamustine Hydrochloride) supplied by GNH India

Kleileuk

Active Ingredient:
Bendamustine Hydrochloride
Origin:
EU

Kleileuk (Bendamustine Hydrochloride)

Bendamustine Hydrochloride, the active ingredient in Kleileuk, is an alkylating agent presented as an injection solution for intravenous use. It is employed in the treatment of chronic lymphocytic leukemia and non‑Hodgkin lymphoma in adult patients.

GNH India supplies Kleileuk as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, oncology centres and pharmacies worldwide, with distribution aligned to EU regulatory standards. The company ensures product quality, traceability and compliance with cold‑chain requirements for injectable medicines. Clients receive technical support and regulatory documentation for seamless import.

Manufacturer / TM Owner

Glenmark Arzneimittel Gmbh

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Indications & Clinical Uses

Bendamustine Hydrochloride is an alkylating antineoplastic agent used in hematologic malignancies.

  • Chronic lymphocytic leukemia: improves remission rates and disease control.
  • Non‑Hodgkin lymphoma: induces tumor regression and prolongs progression‑free survival.
  • Relapsed or refractory non‑Hodgkin lymphoma: provides a therapeutic option after prior therapy.

How It Works

  • Bendamustine Hydrochloride alkylates DNA by forming covalent bonds with guanine bases, leading to intra‑ and interstrand cross‑links. This interferes with DNA replication and transcription, ultimately inhibiting cell proliferation and triggering apoptosis in rapidly dividing malignant lymphocytes.

Side Effects

Adverse reactions may occur with intravenous administration of bendamustine.

Common Side Effects

  • Nausea: mild to moderate gastrointestinal upset.
  • Fatigue: generalized tiredness during treatment cycles.
  • Neutropenia: reduced neutrophil count increasing infection risk.
  • Thrombocytopenia: lowered platelet levels that may cause bruising.

Serious or Rare Side Effects

  • Severe infections: opportunistic or bacterial infections requiring prompt treatment.
  • Pulmonary toxicity: interstitial pneumonitis or respiratory distress.
  • Secondary malignancies: emergence of new cancers after therapy.

Precautions & Warnings

Prior to initiating therapy, several safety considerations are recommended.

  • Monitor blood counts: perform regular CBC to detect cytopenias.
  • Assess infection risk: screen for active infections before treatment.
  • Evaluate renal and hepatic function: adjust therapy if organ impairment is present.
  • Avoid live vaccines: immunization with live agents may cause disease.
  • Store at 2-8°C: keep refrigerated, protect from light, do not freeze or shake.

Avoid Interactions

Bendamustine may interact with other medicines, requiring careful management.

Major Interactions (Avoid)

  • Concurrent strong CYP3A4 inhibitors: may increase bendamustine exposure.
  • Co‑administration with live vaccines: heightened risk of infection.
  • Combination with other myelosuppressive chemotherapy: additive bone‑marrow suppression.

Moderate Interactions (Monitor Closely)

  • Antifungal azoles (e.g., fluconazole): may modestly raise drug levels.
  • Use with G‑CSF agents: may reduce duration of neutropenia.
  • Concomitant anticoagulants: monitor for increased bleeding tendency.

Frequently Asked Questions

Kleileuk contains bendamustine hydrochloride and is indicated for the treatment of adult patients with chronic lymphocytic leukemia and non‑Hodgkin lymphoma, including relapsed or refractory disease. It is administered as part of an oncology regimen to achieve disease control and improve survival outcomes.

Bendamustine hydro­chloride alkylates DNA, creating cross‑links that block DNA synthesis and transcription. This disruption leads to cell cycle arrest and apoptosis, particularly in rapidly dividing malignant lymphocytes, thereby reducing tumor burden.

The specific dose of Kleileuk is determined by the prescribing oncologist based on the patient’s diagnosis, disease stage, body surface area, and overall health. Dosing regimens are individualized and should follow the latest clinical guidelines and the prescriber’s judgment.

Safety data for bendamustine during pregnancy and lactation are limited, and the drug is generally contraindicated in these situations. Women of child‑bearing potential should use effective contraception, and breastfeeding should be avoided while receiving treatment. Consultation with a healthcare professional is essential.

To order Kleileuk, 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 cold‑chain logistics) and necessary import documentation.

Kleileuk (bendamustine) combines alkylating activity with a benzimidazole ring, offering a distinct toxicity profile compared with traditional agents like cyclophosphamide. It often provides higher response rates in certain lymphoid malignancies, but clinicians weigh efficacy against side‑effect risks and may combine it with monoclonal antibodies for synergistic effect.

Kleileuk must be stored refrigerated at 2‑8 °C. Keep the vials in their original packaging, protect from light, and do not freeze or shake the solution. Prior to administration, allow the product to reach room temperature if required by the preparation protocol.

Kleileuk is given as an intravenous infusion. The prescribed volume is diluted in an appropriate infusion fluid and administered over a specified period, typically 30 minutes to several hours, under medical supervision. Infusion rates and pre‑medication to prevent reactions are determined by the treating physician.

The most serious adverse events include severe infections due to neutropenia, pulmonary toxicity such as interstitial pneumonitis, and the potential development of secondary malignancies. Patients should be monitored closely for signs of infection, respiratory distress, and any new cancerous lesions throughout treatment.

Kleileuk is contraindicated in individuals with known hypersensitivity to bendamustine or any formulation components, those with severe bone‑marrow suppression, active uncontrolled infections, and pregnant or breastfeeding women. Caution is also advised for patients with significant hepatic or renal impairment.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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