Product image of Klertis (Sunitinib) supplied by GNH India

Klertis

Active Ingredient:
Sunitinib
Origin:
EU

Klertis (Sunitinib)

Sunitinib, the active ingredient in Klertis, is a tyrosine kinase inhibitor presented as an oral tablet for oral use. It is indicated for certain advanced cancers, notably renal cell carcinoma and gastrointestinal stromal tumor, in adult patients.

GNH India supplies Klertis as a licensed, GDP‑compliant international pharmaceutical supplier serving oncology centres worldwide.

Manufacturer / TM Owner

Egis Pharmaceuticals Plc

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Indications & Clinical Uses

  • Klertis (sunitinib) targets receptor tyrosine kinases involved in tumor growth and angiogenesis, making it useful in specific solid‑tumor indications.
  • Renal cell carcinoma: slows disease progression and improves progression‑free survival.
  • Gastrointestinal stromal tumor: inhibits tumor growth and reduces disease burden.
  • Advanced renal cell carcinoma: extends progression‑free survival in patients with metastatic disease.

How It Works

  • Sunitinib inhibits multiple receptor tyrosine kinases, including VEGFR, PDGFR, KIT and FLT3. By blocking these pathways it reduces tumor angiogenesis, disrupts proliferative signaling, and induces apoptosis of cancer cells, thereby limiting tumor growth and spread.

Side Effects

Sunitinib may cause a range of adverse reactions that vary in frequency and severity.

Common Side Effects

  • Fatigue
  • Nausea
  • Hypertension
  • Diarrhea

Serious or Rare Side Effects

  • Cardiac dysfunction (e.g., reduced ejection fraction)
  • Severe hepatic toxicity
  • Thromboembolic events (e.g., deep‑vein thrombosis)

Precautions & Warnings

  • When prescribing or dispensing Klertis, consider the following safety measures.
  • Monitor blood pressure: check regularly and manage hypertension promptly.
  • Assess liver function: perform baseline and periodic hepatic enzyme tests.
  • Evaluate cardiac status: obtain baseline ECG and monitor for signs of heart failure.
  • Review concomitant medications: avoid drugs that strongly affect CYP3A4 metabolism.
  • Store at room temperature: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Sunitinib interacts with several drug classes; awareness helps prevent reduced efficacy or increased toxicity.

Major Interactions (Avoid)

  • Strong CYP3A4 inhibitors (e.g., ketoconazole, itraconazole)
  • Strong CYP3A4 inducers (e.g., rifampin, carbamazepine)
  • Concurrent use with other tyrosine‑kinase inhibitors

Moderate Interactions (Monitor Closely)

  • Antihypertensive agents (dose adjustments may be needed)
  • Warfarin or other anticoagulants (monitor INR closely)
  • CYP2C8 substrates (e.g., paclitaxel) – watch for altered plasma levels

Frequently Asked Questions

Klertis (sunitinib) is prescribed for adult patients with renal cell carcinoma and gastrointestinal stromal tumor. In both indications it works by inhibiting key signaling pathways that drive tumor growth and blood‑vessel formation, helping to control disease progression.

Sunitinib blocks several receptor tyrosine kinases such as VEGFR, PDGFR, KIT and FLT3. By inhibiting these receptors it reduces angiogenesis, limits cell proliferation, and promotes cancer‑cell apoptosis, thereby slowing tumor development.

The dosage of Klertis is individualized by the treating physician based on the patient’s condition, weight, renal function and tolerability. Only a qualified prescriber can determine the appropriate dosing schedule.

Safety data for sunitinib in pregnancy and lactation are limited. It is generally advised to avoid use during pregnancy and while breastfeeding unless the potential benefit justifies the potential risk to the infant. Consultation with a healthcare professional is essential.

To request Klertis, 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.

Klertis (sunitinib) targets a broader spectrum of kinases, including VEGFR, PDGFR, KIT and FLT3, whereas some alternatives focus on a narrower set. This broader inhibition can offer efficacy in multiple tumor types but may also be associated with a distinct safety profile that requires careful monitoring.

Klertis should be stored at room temperature, below 25 °C, in its original packaging. Keep the product away from moisture, heat and direct sunlight to maintain stability and potency.

Klertis is taken orally, usually as a whole tablet swallowed with water. The exact timing (e.g., with or without food) and dosing interval are determined by the prescribing clinician based on the therapeutic plan.

Serious risks include cardiac dysfunction, severe hypertension, hepatic toxicity, and thromboembolic events. Patients should be monitored regularly for signs of heart failure, liver enzyme elevations, blood‑pressure spikes and clotting complications.

Klertis is contraindicated in patients with known hypersensitivity to sunitinib or any of its excipients, and in those with uncontrolled hypertension or severe hepatic impairment. Caution is also advised for individuals taking strong CYP3A4 inhibitors or inducers.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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