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 a tablet for oral use. It is indicated for the treatment of renal cell carcinoma, gastrointestinal stromal tumor and pancreatic neuroendocrine tumor in adult patients.

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

Manufacturer / TM Owner

Egis Pharmaceuticals Plc

1
Pack/s
This product is added to your enquiry list

Request a Quote

Please fill out the form below and our team will get back to you shortly with pricing and further information.

A minimum order value applies. Our team will confirm the exact amount or quantity after reviewing your requirements.

Indications & Clinical Uses

  • Sunitinib is a targeted oral therapy used in several solid‑tumor indications.
  • Renal cell carcinoma: slows disease progression and may improve overall survival in adults with advanced disease.
  • Gastrointestinal stromal tumor (GIST): inhibits tumor growth after failure of first‑line therapy.
  • Pancreatic neuroendocrine tumor: reduces tumor burden and extends progression‑free survival in metastatic cases.

How It Works

  • Sunitinib blocks multiple receptor tyrosine kinases, including VEGFR, PDGFR, KIT, and FLT3. By inhibiting these pathways, it reduces angiogenesis, tumor cell proliferation, and survival signaling, leading to decreased tumor vascularization and growth across several malignancies.

Side Effects

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

Common Side Effects

  • Fatigue: persistent tiredness affecting daily activities.
  • Diarrhea: loose stools that may require fluid replacement.
  • Nausea: feeling of sickness often managed with anti‑emetics.
  • Hand‑foot syndrome: redness, swelling, or pain on palms and soles.
  • Hypertension: elevated blood pressure requiring monitoring.
  • Decreased appetite: reduced desire to eat.

Serious or Rare Side Effects

  • Cardiac dysfunction: signs of heart failure or reduced ejection fraction.
  • Hemorrhage: unexpected bleeding, including gastrointestinal.
  • Thromboembolic events: blood clots in veins or arteries.
  • Hepatotoxicity: elevated liver enzymes or liver injury.
  • Severe neutropenia: markedly low white blood cell count increasing infection risk.

Precautions & Warnings

Before initiating therapy, clinicians should assess patient suitability and monitor for potential complications.

  • Baseline cardiac evaluation: perform ECG or echocardiogram to detect pre‑existing dysfunction.
  • Blood pressure monitoring: check regularly and treat hypertension promptly.
  • Liver function tests: assess enzymes before and during treatment.
  • Hematologic surveillance: monitor complete blood count for neutropenia or anemia.
  • Pregnancy and lactation: avoid use; discuss contraception and breastfeeding risks.
  • Store at below 25°C: keep in original packaging, protect from moisture and direct sunlight.

Avoid Interactions

Sunitinib can interact with several drug classes, influencing its efficacy or safety.

Major Interactions (Avoid)

  • Strong CYP3A4 inhibitors (e.g., ketoconazole): may increase sunitinib exposure and toxicity.
  • CYP3A4 inducers (e.g., rifampin): may reduce therapeutic levels.
  • Anticoagulants (e.g., warfarin): heightened risk of bleeding.

Moderate Interactions (Monitor Closely)

  • Antihypertensives: additive blood pressure effects may require dose adjustment.
  • CYP2C9 substrates (e.g., warfarin at lower doses): monitor INR closely.
  • Gastric pH modifiers (e.g., proton pump inhibitors): may affect absorption, observe clinical response.

Frequently Asked Questions

Klertis, containing the active ingredient sunitinib, is prescribed for adult patients with advanced renal cell carcinoma, gastrointestinal stromal tumor (GIST) after first‑line therapy failure, and metastatic pancreatic neuroendocrine tumor. It works as a targeted oral therapy to inhibit tumor growth and angiogenesis in these malignancies.

Sunitinib blocks multiple receptor tyrosine kinases such as VEGFR, PDGFR, KIT, and FLT3. By inhibiting these signaling pathways, it reduces new blood‑vessel formation (angiogenesis) and directly suppresses tumor cell proliferation, leading to slowed tumor progression across several cancer types.

The dosing regimen for Klertis is individualized and determined by the prescribing oncologist based on the specific cancer type, disease stage, patient weight, renal function, and tolerance. Healthcare professionals set the appropriate dose and schedule according to approved guidelines.

The safety of sunitinib in pregnancy and lactation has not been established. It is generally contraindicated for pregnant or nursing women because of potential fetal toxicity and unknown effects on breast‑fed infants. Effective contraception is recommended for women of child‑bearing potential during treatment.

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 (including any cold‑chain requirements), and necessary import documentation.

Klertis (sunitinib) shares a similar mechanism with other multi‑targeted TKIs such as pazopanib and sorafenib, but differs in its specific kinase inhibition profile and approved indications. Clinical choice depends on tumor type, prior therapies, side‑effect tolerability, and physician experience. Comparative studies suggest comparable efficacy in renal cell carcinoma with distinct safety patterns.

Klertis tablets should be stored at temperatures below 25 °C, in the original blister pack, protected from moisture and direct sunlight. Do not refrigerate or freeze the product, and keep it out of reach of children.

Klertis is taken orally, usually once daily, with or without food as directed by the treating physician. Patients should swallow the tablet whole with water and follow the prescribed schedule, which may include treatment cycles with planned breaks to manage toxicity.

Serious adverse events linked to Klertis include cardiac dysfunction (e.g., reduced ejection fraction), severe hypertension, bleeding complications, thromboembolic events, hepatotoxicity, and profound neutropenia. Patients should be monitored regularly for these conditions, and treatment should be adjusted or discontinued if severe toxicity occurs.

Klertis is contraindicated in patients with known hypersensitivity to sunitinib or any tablet excipients. It should be avoided in individuals with uncontrolled hypertension, recent major cardiovascular events, severe hepatic impairment, or those who are pregnant or breastfeeding without appropriate risk‑benefit assessment.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

Disclaimer

At GNH India, we aim to provide information that is expert-reviewed, accurate, and reliable. However, all content on this platform is intended for general informational purposes only and does not constitute professional medical advice, diagnosis, or treatment. While efforts are made to maintain accuracy and currency, the information may contain errors, omissions, or may not reflect the latest developments. Always consult a qualified healthcare professional regarding any medical concerns.

All product names, brand names, trademarks and registered trademarks displayed on this website are the property of their respective owners. This website and its operator are not affiliated with, endorsed by, or authorized by any such trade mark owners unless expressly stated. Any reference to product names or trademarks is made solely for descriptive and informational purposes. No commercial relationship, sponsorship, approval, or association with any trademark owner should be inferred. Information provided herein does not constitute promotion, advertising, or an offer for sale of any medicinal product and is intended solely for general informational purposes.

All trademarks and brand names displayed on this website are used strictly in accordance with the provisions of the Trade Marks Act, 1999, specifically Sections 30 and 30(1) governing fair use. Trademark ownership has been accurately attributed under the "Manufacturer/ TM Owner" section in compliance with statutory requirements.

Ordering Process

Simple, Secure, and Seamless

Learn how our streamlined ordering process guarantees fast, compliant, and reliable access to essential medicines worldwide.

Quote request form

01

Submit Quote Request Form

Tell us what medications you need by filling out our simple form and uploading a valid document.

Price estimate review

02

We Review & Send Estimate

Our licensed pharmacists will verify your details and provide you with a detailed cost estimate.

Secure payment

03

Confirm & Make Payment

Discuss any queries, approve the estimate, and complete your payment.

Worldwide delivery

04

Get Delivered

Your medicines, safely packed and delivered to your door or nearest airport — hassle-free.

Quality You Can Trust

Our internationally recognized certifications underscore our commitment to safety, quality, and excellence.