Novel anti-cancer agents in development: exciting prospects and new challenges

L Seymour1

  • 1National Cancer Institute of Canada Clinical Trials Group, Queens University, 18 Barrie Street, Kingston, Ontario, K7L 3N6.

Cancer Treatment Reviews
|November 2, 1999
PubMed

Insights

New cancer chemotherapeutic agents targeting critical molecular pathways are advancing rapidly. While promising, these novel compounds present challenges in clinical trial design and endpoint selection.

Area of Science:

  • Oncology
  • Molecular Biology
  • Drug Development

Background:

  • Numerous novel cancer chemotherapeutic agents are in development, many targeting critical molecular pathways.
  • These agents aim to modulate or inhibit targets like matrix metalloproteinases, signal transduction mediators (e.g., tyrosine kinases, cyclin-dependent kinases), and ras pathway components.

Purpose of the Study:

  • To review the development status of novel cancer chemotherapeutic agents targeting specific molecular pathways.
  • To highlight the classes of compounds being developed and their advanced stage of research.

Main Methods:

  • Review of current research and clinical trial data on novel cancer chemotherapeutic agents.
  • Identification of targeted molecular pathways and compound classes (small molecules, monoclonal antibodies, oligonucleotides).

Main Results:

  • Many targeted agents are well-advanced, with proof of principle demonstrated.
  • At least one targeted agent has received regulatory approval.
  • Development includes small molecules, humanized monoclonal antibodies, and antisense oligonucleotides.

Conclusions:

  • Novel targeted cancer therapies offer significant promise for improved treatment outcomes.
  • Challenges remain in optimizing clinical trial design and selecting appropriate surrogate endpoints for these advanced agents.

Related Concept Videos

Cancer02:18

Cancer

Cancers arise due to mutations in genes involved in the regulation of cell division, which leads to unrestricted cell proliferation. Modern science and medicine have made great strides in the understanding and treatment of cancer, including eradicating cancer in some patients. However, there is still no cure for cancer. This is largely due to the fact that cancer is a large group of many diseases.
53.3K
Targeted Cancer Therapies02:57

Targeted Cancer Therapies

The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against...
8.6K
Treatment Resistant Cancers02:56

Treatment Resistant Cancers

Cancer is the second leading cause of death in the United States. A cancer cell is genetically unstable and hence can mutate faster. They can also modify their microenvironment and escape immune surveillance. The difficulties in treating cancer are further compounded by the emergence of rapid resistance to anticancer drugs. The most common ways to attain resistance in cancer cells include alteration in drug transport and metabolism, modification of drug target, elevated DNA damage response, or...
3.6K
Cancer Vaccines01:30

Cancer Vaccines

Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
897
Cancer Therapies02:49

Cancer Therapies

Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
9.7K
Cancer-Critical Genes II: Tumor Suppressor Genes01:05

Cancer-Critical Genes II: Tumor Suppressor Genes

Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
9.3K