Product image of Irinotecan Sun (Irinotecan Hydrochloride Trihydrate) supplied by GNH India

Irinotecan Sun

Active Ingredient:
Irinotecan Hydrochloride Trihydrate
Origin:
EU

Irinotecan Sun (Irinotecan Hydrochloride Trihydrate)

Irinotecan Hydrochloride Trihydrate, the active ingredient in Irinotecan Sun, is a topoisomerase I inhibitor presented as an injectable solution for intravenous use. It is employed in the treatment of metastatic colorectal cancer and other advanced solid tumors in adult patients.

GNH India supplies Irinotecan Sun as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, oncology centres and pharmacies worldwide. The company adheres to stringent quality standards and provides regulatory documentation to facilitate import and clinical use across multiple regions globally.

Manufacturer / TM Owner

Sun Pharmaceutical Industries Europe B.V.

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Indications & Clinical Uses

Irinotecan Sun is employed in oncology to treat cancers that are responsive to topoisomerase I inhibition.

  • Metastatic colorectal cancer: improves survival when used in combination chemotherapy regimens.
  • Advanced solid tumors: provides antitumor activity in various non‑colorectal malignancies.
  • Disease progression after fluoropyrimidine therapy: used as a second‑line option in combination protocols.

How It Works

  • Irinotecan is a prodrug that is converted intracellularly to SN‑38, a potent inhibitor of topoisomerase I. By stabilizing the DNA‑topoisomerase I complex, it prevents relegation of single‑strand DNA breaks, leading to accumulation of DNA damage and ultimately apoptosis of rapidly dividing cancer cells.

Side Effects

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

Common Side Effects

  • Nausea and vomiting
  • Diarrhea
  • Neutropenia (low white blood cells)
  • Fatigue

Serious or Rare Side Effects

  • Febrile neutropenia
  • Severe colitis or intestinal perforation
  • Allergic or anaphylactic reactions

Precautions & Warnings

Before initiating therapy, clinicians should consider several safety measures.

  • Baseline blood counts: obtain a complete blood count prior to the first dose.
  • Liver function: monitor hepatic enzymes regularly during treatment.
  • Renal function: assess creatinine clearance before each cycle.
  • Concurrent myelosuppressive therapy: avoid or adjust dosing to reduce additive bone‑marrow toxicity.
  • Pregnancy and lactation: use only if the potential benefit justifies the potential risk to the fetus or infant.
  • Store at 2-8°C: keep refrigerated, protect from light, do not freeze or shake.

Avoid Interactions

Irinotecan Sun can interact with other medicines, influencing its efficacy or safety.

Major Interactions (Avoid)

  • Strong CYP3A4 inducers (e.g., rifampin): may reduce irinotecan exposure and therapeutic effect.
  • UGT1A1 inhibitors (e.g., atazanavir): can increase SN‑38 levels and raise the risk of severe toxicity.

Moderate Interactions (Monitor Closely)

  • Anticoagulants (e.g., warfarin): may enhance bleeding tendency.
  • Other myelosuppressive agents: increase the likelihood of profound bone‑marrow suppression.
  • Fluoropyrimidines (e.g., 5‑FU): heightened gastrointestinal toxicity, especially diarrhea.

Frequently Asked Questions

Irinotecan Sun is an intravenous chemotherapy agent indicated for the treatment of metastatic colorectal cancer and for patients with advanced solid tumors who have progressed after standard therapies. It is administered as part of combination regimens to improve disease control and overall survival.

Irinotecan is a pro‑drug that is metabolised inside cancer cells to SN‑38, an active metabolite that inhibits topoisomerase I. This enzyme normally relieves torsional strain during DNA replication; its inhibition leads to persistent single‑strand DNA breaks, triggering apoptosis of rapidly dividing tumor cells.

The dose of Irinotecan Sun is individualized by the prescribing oncologist based on factors such as body surface area, liver function, prior chemotherapy exposure, and the specific treatment protocol. No fixed regimen is provided here; dosing decisions are made by qualified healthcare professionals.

Safety data for Irinotecan Sun in pregnancy and lactation are limited. The drug is generally avoided unless the potential therapeutic benefit outweighs the possible risk to the fetus or infant. Women of child‑bearing potential should use effective contraception during treatment and for a period after the last dose.

To place an order, submit an enquiry on the Irinotecan Sun product page at gnhindia.com, specifying the required quantity. GNH India supplies hospitals, pharmacies and procurement teams worldwide, and will request verification of trade or institutional credentials. The sales team then replies with pricing, availability, shipping details (including cold‑chain if needed) and any required import documentation.

Irinotecan belongs to the topoisomerase I inhibitor class, offering a distinct mechanism from agents such as oxaliplatin or taxanes. Compared with older regimens, irinotecan‑based combinations often provide higher response rates in colorectal cancer, especially after fluoropyrimidine failure, but they may also carry a different toxicity profile, notably diarrhea and neutropenia.

Irinotecan Sun should be stored at 2‑8 °C (refrigerated). Keep the vials in their original packaging, protect them from light, and avoid freezing or shaking the solution. Do not store at room temperature for extended periods.

Irinotecan Sun is given as an intravenous infusion, typically over 30 to 90 minutes depending on the protocol. The infusion is performed by qualified healthcare personnel in a clinical setting, with appropriate monitoring for infusion‑related reactions and supportive care measures.

The most critical adverse events include severe neutropenia with fever (febrile neutropenia), life‑threatening diarrhea that can progress to colitis or intestinal perforation, and rare allergic reactions. Prompt recognition and management of these complications are essential to reduce morbidity.

Irinotecan Sun is contraindicated in patients with known hypersensitivity to irinotecan or any of its excipients, in those with severe bone‑marrow suppression, and in individuals with uncontrolled infections. Caution is also advised for patients with significant hepatic impairment or a history of severe gastrointestinal disorders.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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