Irinotecan Plus Raltitrexed as Second-line Treatment in Advanced

Status Recruiting

Clinical Trial Summary

Irinotecan and raltitrexed are active against advanced colorectal cancer (ACC), act through different mechanisms, and have only partially overlapping toxicity profiles. The purpose of this study is to evaluate efficacy and safety of irinotecan plus raltitrexed as second-line treatment in advanced colorectal cancer patients.

Clinical Trial Description

The standard initial treatment for patients with advanced colorectal cancer (ACC) not amenable for surgical resection is palliative 5-fluorouracil (5-FU)-based chemotherapy. However, response rates are low and prognosis remains poor, with median survival times about one year. Until recently, second-line therapy options were limited.

Irinotecan is a semisynthetic camptothecin derivate that acts as a DNA-topoisomerase-1 inhibitor,its most frequent toxic effects are diarrhea, neutropenia and cholinergic syndrome. Raltitrexed is a quinazoline folate-based specific thymidylate synthase inhibitor, its clinical activity in this setting is similar to that of modulated 5-FU regimens but with a better toxicity profile (mainly asthenia and increased serum transaminase levels). There seems to be no cross-resistance between 5-FU and raltitrexed. Irinotecan and raltitrexed have different toxicity profiles and modes of action. Both drugs are active as single agents and may be given as a short 3-weekly infusion, thus obviating complex schedules or the need for implantable venous access devices. Preclinical studies have demonstrated a pronounced sequence-dependent synergy between SN-38 (the active metabolite of irinotecan) and raltitrexed. It seems then interesting to explore the feasibility and therapeutic potential of this association.

With this background, the investigators have performed this study to evaluate efficacy and safety of irinotecan plus raltitrexed as second-line treatment in advanced colorectal cancer patients. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03053167
Study type	Interventional
Source	China Medical University, China
Contact	YunPeng Liu, PhD
Phone	86-24-83282312
Email	cmuliuyunpeng@hotmail.com
Status	Recruiting
Phase	Phase 2
Start date	December 2016
Completion date	December 2020

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Irinotecan Plus Raltitrexed as Second-line Treatment in Advanced Colorectal Cancer Patients

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms