Promising new agents for treatment of patients with colorectal cancer
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Updated: Aug 15, 2026

Development and Maintenance of a Preclinical Patient Derived Tumor Xenograft Model for the Investigation of Novel Anti-Cancer Therapies
Published on: September 30, 2016
1Institute for Drug Development, Department of Medicine, The University of Texas Health Science Center at San Antonio, 78245, USA.
Abstract:
Colorectal cancer continues to be a major problem. There are a number of new agents with promising clinical activity, including the multitargeted antifolate LY 231514 and the thymidylate synthesis inhibitor capecitabine. In addition, other agents have shown promising preclinical activity against the disease: 6-hydroxymethylacylfulvene (HMAF; MGI 114), LY 295501, bizelesin (U-7779; NSC615291), and ONYX-015. Finally, several agents may prevent colorectal cancer through prevention of the formation of colorectal polyps (eg, cyclooxygenase inhibitors).
Insights
New agents show promise for treating colorectal cancer, including LY 231514 and capecitabine. Research also explores agents like 6-hydroxymethylacylfulvene and cyclooxygenase inhibitors for prevention and treatment.
Area of Science:
- Oncology
- Pharmacology
- Gastroenterology
Background:
- Colorectal cancer remains a significant global health challenge.
- Existing treatments have limitations, necessitating the development of novel therapeutic strategies.
- Understanding the molecular pathways involved in colorectal cancer progression is crucial for targeted therapy development.
Purpose of the Study:
- To review emerging therapeutic agents for colorectal cancer.
- To highlight agents with demonstrated clinical and preclinical activity.
- To explore potential chemopreventive strategies targeting polyp formation.
Main Methods:
- Literature review of recent studies on colorectal cancer therapeutics.
- Analysis of clinical trial data for agents like LY 231514 and capecitabine.
- Evaluation of preclinical data for novel compounds such as 6-hydroxymethylacylfulvene (HMAF) and ONYX-015.
Main Results:
- The multitargeted antifolate LY 231514 and thymidylate synthesis inhibitor capecitabine exhibit promising clinical activity.
- Several agents, including 6-hydroxymethylacylfulvene (HMAF), LY 295501, bizelesin, and ONYX-015, show promising preclinical efficacy.
- Cyclooxygenase (COX) inhibitors are being investigated for their potential in preventing colorectal polyp formation.
Conclusions:
- Novel therapeutic agents offer new hope for colorectal cancer treatment.
- A combination of targeted therapies and chemopreventive strategies may improve patient outcomes.
- Continued research into these agents is warranted to further combat colorectal cancer.
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