Irinotecan Hydrochloride Trihydrate

This article explores the use of Irinotecan Hydrochloride Trihydrate in clinical trials for treating esophageal cancer. The drug is being studied as part of a combination therapy that includes chemotherapy, radiation, and surgery. This approach aims to improve outcomes for patients with potentially resectable thoracic esophageal cancer by shrinking tumors before surgery and potentially increasing survival rates.

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What is Irinotecan Hydrochloride Trihydrate?

Irinotecan Hydrochloride Trihydrate, often simply referred to as Irinotecan, is a powerful chemotherapy drug used in the treatment of various cancers. In this clinical trial, it is being studied specifically for its effectiveness against esophageal cancer, a serious form of cancer that affects the tube connecting the throat to the stomach[1].

Treatment Approach for Esophageal Cancer

The clinical trial is exploring a comprehensive treatment approach for potentially resectable thoracic esophageal cancer. This means the cancer is located in the chest area of the esophagus and may be removable through surgery. The treatment plan includes:

  1. Pre-operative chemotherapy: This involves giving chemotherapy drugs before surgery to shrink the tumor.
  2. Radiotherapy: This includes both external beam radiation and brachytherapy (a type of internal radiation).
  3. Surgery: After the chemotherapy and radiation, surgery is performed to remove the remaining cancer[1].

This combination approach aims to improve the chances of successfully treating esophageal cancer compared to using surgery alone.

How Irinotecan Works

Irinotecan is used in combination with another chemotherapy drug called Cisplatin. Together, these drugs are expected to be more effective in treating esophageal cancer than older drug combinations. Here’s how they work:

  • Targeting cancer cells: Both Irinotecan and Cisplatin are designed to attack and kill cancer cells.
  • Radiosensitizing properties: These drugs make cancer cells more sensitive to radiation therapy, potentially improving its effectiveness[1].
  • Controlling metastasis: The drug combination is hoped to better control the spread of cancer to other parts of the body (metastasis).

Dosage and Administration

In this clinical trial, Irinotecan is administered as follows:

  • Dosage: 65mg/m² (milligrams per square meter of body surface area)
  • Schedule: Given during weeks 1-2, 4-5, and 7-8 of the treatment cycle[1]

This dosage and schedule are designed to maximize the drug’s effectiveness while managing potential side effects.

Expected Outcomes and Measures

The clinical trial is looking at several important outcomes to determine how well Irinotecan works for esophageal cancer:

  • Pathological complete response: This is the main outcome being measured. It refers to the absence of any detectable cancer cells after treatment[1].
  • Disease-free survival: How long patients live without any signs of cancer returning.
  • Overall survival: How long patients live after starting treatment.
  • Quality of life: Measured using a specific questionnaire called FACT-E.
  • Clinical complete response rate: How many patients show no signs of cancer after treatment, based on medical examinations and scans.

Potential Side Effects

While the specific side effects of Irinotecan in this trial are not detailed, the study is monitoring for both acute (short-term) and late (long-term) toxicities[1]. Common side effects of chemotherapy drugs like Irinotecan may include:

  • Nausea and vomiting
  • Fatigue
  • Hair loss
  • Increased risk of infections

It’s important to note that not everyone experiences the same side effects, and your healthcare team will work to manage any that do occur.

Aspect Details
Study Type Phase II clinical trial
Condition Resectable thoracic esophageal cancer
Treatment Approach Pre-operative chemotherapy, radiotherapy, and surgery
Drugs Used Irinotecan Hydrochloride Trihydrate and Cisplatin
Irinotecan Dosage 65mg/m2 during weeks 1-2, 4-5, and 7-8
Cisplatin Dosage 30 mg/m2 during weeks 1-2, 4-5, and 7-8
Primary Outcome Pathological complete response
Secondary Outcomes Toxicities, postoperative mortality, survival rates, quality of life, tumor characteristics

Ongoing Clinical Trials on Irinotecan Hydrochloride Trihydrate

  • Study comparing oxaliplatin and irinotecan chemotherapy effectiveness using tumor testing in patients with metastatic colorectal cancer

    Recruiting

    2 1 1 1
    Investigated diseases:
    Norway
  • Study on the Effectiveness of Laparoscopic Electrochemotherapy with Bleomycin Sulfate for Patients with Locally Advanced Pancreatic Cancer

    Recruiting

    2 1 1 1
    Investigated diseases:
    Italy
  • Study on Recurrent Colorectal Liver Metastases: Evaluating Calcium Folinate, Fluorouracil, Capecitabine, Oxaliplatin, and Irinotecan in a Drug Combination for Eligible Patients

    Recruiting

    3 1 1 1
    Investigated diseases:
    The Netherlands
  • Study on Sequential Treatment with Gemcitabine, Paclitaxel, and FOLFIRINOX for Patients with Locally Advanced Pancreatic Cancer

    Recruiting

    2 1 1 1
    France
  • Study on AZD0901 and Drug Combination for Patients with Advanced Gastric, Gastroesophageal, and Pancreatic Cancers Expressing Claudin 18.2

    Recruiting

    1 1 1 1
    Poland Spain
  • Study of perioperative versus post-surgery FOLFIRINOX (irinotecan, oxaliplatin, fluorouracil, and folinic acid) treatment in patients with resectable pancreatic cancer

    Recruiting

    3 1 1 1
    Investigated diseases:
    The Netherlands Sweden
  • Study of Valproic Acid, Panitumumab, and Irinotecan for Patients with Metastatic Colorectal Cancer with RAS/BRAF Wild-Type

    Recruiting

    2 1 1 1
    Investigated diseases:
    Italy
  • Study on Chemotherapy with Irinotecan, Fluorouracil, and Oxaliplatin for Patients with Metastatic Colorectal Cancer After Surgery or Ablation

    Recruiting

    3 1 1 1
    Germany
  • Study on High-Risk Neuroblastoma Treatment with Busulfan, Melphalan, and Drug Combination for Patients with Insufficient Metastatic Response

    Recruiting

    3 1 1 1
    Austria Belgium Czechia Denmark France Germany +7
  • Study on the Effectiveness and Safety of Tinengotinib for Patients with Cholangiocarcinoma Resistant to Chemotherapy and FGFR Inhibitors

    Recruiting

    3 1 1 1
    Investigated diseases:
    Austria Belgium France Germany Italy Poland +2

Glossary

  • Esophageal Cancer: A type of cancer that develops in the esophagus, the tube that connects the throat to the stomach.
  • Irinotecan Hydrochloride Trihydrate: A chemotherapy drug used in this trial to treat esophageal cancer, given in combination with other treatments.
  • Cisplatin: Another chemotherapy drug used in combination with Irinotecan in this trial.
  • Radiotherapy: The use of radiation to kill cancer cells, including external beam radiation and brachytherapy in this trial.
  • Brachytherapy: A type of internal radiation therapy where a radiation source is placed inside or near the area requiring treatment.
  • Resectable: Referring to a tumor that can be surgically removed.
  • Induction therapy: Initial treatment given to shrink a tumor before the main treatment, usually surgery.
  • Pathological complete response: When no cancer cells are found in tissue samples after treatment.
  • Disease-free survival: The length of time after treatment during which no disease is found.
  • Quality of life (FACT-E): A measure of a patient's well-being, specifically using the Functional Assessment of Cancer Therapy-Esophageal questionnaire.
  • Microvessel density: A measure of the number of blood vessels in a tumor, which can indicate how well it's supplied with blood.
  • Perfusion CT: A type of CT scan that measures blood flow in tissues.
  • PET scan: Positron Emission Tomography, an imaging test that helps detect cancer and assess the effectiveness of treatment.

References

  1. https://clinicaltrials.gov/study/NCT00160875