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Cancer Vaccines

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...

Tumor Immunotherapy

Tumor Immunotherapy

Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.

Cancer Prevention

Cancer Prevention

Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...

Cancer Prevention

Cancer Prevention

Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...

Treatment Resistent Cancers

Treatment Resistent 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...

Cancer Therapies

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...

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Cell-based therapy technology classifications and translational challenges.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2015

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Cancer vaccines: will we ever learn?

Robert S Johnson¹, Anthony I Walker, Stephen J Ward

¹Onyvax Ltd, St George's University of London, London, UK. rjohnson@onyvax.com

Expert Review of Anticancer Therapy

|December 25, 2008

Summary

Despite numerous Phase III therapeutic cancer vaccine trial failures, scientists remain optimistic. Gained knowledge and improved understanding of cancer-immune interactions provide reasons for continued research and development in this field.

Area of Science:

Oncology
Immunology
Vaccinology

Background:

Therapeutic cancer vaccine development faces significant challenges, marked by a high rate of Phase III clinical trial failures.
This has led to questions about the viability and optimism surrounding the field.

Purpose of the Study:

To analyze the reasons behind frequent Phase III failures in therapeutic cancer vaccine trials.
To provide a perspective on why optimism is still warranted in this research area.

Main Methods:

This perspective article reviews existing data and discusses the current understanding of the field.
It synthesizes knowledge from past trials and immunological insights.

Main Results:

Phase III failures are attributed to various factors, including trial design and biological complexity.

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However, these failures have generated invaluable data and enhanced understanding.

Conclusions:

The field of therapeutic cancer vaccines should maintain optimism.
Continued research, informed by past failures and improved understanding of cancer-immunology, is crucial for future success.