Treatment for renal cancer: are we beyond the cytokine era?

Sara Ramsey1, Michael Aitchison

  • 1Department of Urology, Gartnavel General Hospital, Glasgow, UK. sara_l_ramsey@ntlworld.com

Insights

Cytokine immunotherapy has been standard for metastatic renal cancer, despite low response rates and high toxicity. Emerging small molecule inhibitors show promise but require comparison against current cytokine therapies in clinical trials.

Area of Science:

  • Oncology
  • Immunotherapy
  • Pharmacology

Background:

  • Cytokines, particularly interferon-based immunotherapy, have been the primary treatment for metastatic renal cancer for two decades.
  • While established, cytokine therapy exhibits low response rates and significant toxicity.
  • Recent advancements have introduced novel small molecule inhibitors, generating substantial interest in the oncology field.

Purpose of the Study:

  • To evaluate the efficacy of emerging small molecule inhibitors in treating metastatic renal cancer.
  • To compare the effectiveness of new therapeutic agents against standard cytokine therapy.
  • To assess the survival benefits of novel compounds in patients with metastatic renal cancer.

Main Methods:

  • Review of evidence from large multicenter randomized trials for cytokine therapy.
  • Analysis of small studies evaluating the efficacy of new small molecule inhibitors.
  • Progression-free survival as a primary endpoint in trials of new compounds.

Main Results:

  • Interferon-based immunotherapy has demonstrated survival benefits in metastatic renal cancer.
  • Evidence for the benefit of new small molecule inhibitors is currently based on limited studies.
  • Further research is needed to establish the efficacy and safety of these novel agents.

Conclusions:

  • New small molecule inhibitors may offer improved survival for patients with metastatic renal cancer.
  • Clinical trials comparing novel agents against standard cytokine therapy are essential.
  • Establishing the comparative effectiveness of new treatments is crucial for advancing metastatic renal cancer care.

Related Concept Videos

Tumor Immunotherapy01:27

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.
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 specific...
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 specific...
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...
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...
Treatment Resistent Cancers02:56

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...