Cancer treatment has advanced significantly over the past decade, and one of the most important developments is immunotherapy. Unlike chemotherapy, which directly attacks rapidly growing cancer cells, immunotherapy works by helping the body’s own immune system recognize and fight cancer.
While immunotherapy is not suitable for every patient or every type of cancer, it has become an important treatment option for certain cancers and continues to play an expanding role in modern oncology.
What Is Cancer Immunotherapy?
The immune system naturally protects the body against infections and abnormal cells. However, cancer cells can sometimes develop ways to avoid detection by the immune system, allowing them to grow and spread.
Immunotherapy is a type of cancer treatment that helps strengthen or restore the immune system’s ability to identify and attack cancer cells.
Instead of directly killing cancer cells, immunotherapy helps the immune system perform its natural function more effectively.
How Does Immunotherapy Work?
Cancer cells often use special proteins or signals to “hide” from immune cells. Immunotherapy works by blocking these signals or activating immune cells so they can recognize and destroy cancer cells.
Depending on the type of immunotherapy, treatment may:
- Help immune cells recognize cancer cells more effectively
- Remove signals that prevent immune cells from attacking cancer
- Stimulate the body’s immune response against cancer
- Improve the immune system’s ability to control cancer growth
The exact mechanism depends on the type of immunotherapy being used.
Which Cancers Can Be Treated with Immunotherapy?
Immunotherapy may be recommended for selected patients with cancers such as:
- Lung cancer
- Melanoma
- Kidney cancer
- Bladder cancer
- Head and neck cancer
- Liver cancer
- Certain colorectal cancers
- Hodgkin lymphoma
- Some gynecological cancers
Not every patient with these cancers will benefit from immunotherapy. The decision depends on factors such as the type and stage of cancer, previous treatments, overall health, and specific biomarker test results.
What Are the Benefits of Immunotherapy?
For appropriately selected patients, immunotherapy may offer several potential benefits, including:
- A more targeted treatment approach
- Durable responses in some patients
- Treatment for certain advanced cancers
- Possibility of combining with other cancer treatments
- Improved disease control in selected cases
However, treatment outcomes vary from person to person, and no treatment can guarantee a specific result.
Is Immunotherapy Better Than Chemotherapy?
Immunotherapy and chemotherapy work in different ways.
Chemotherapy directly destroys rapidly growing cancer cells, while immunotherapy helps the immune system recognize and fight cancer.
Depending on the cancer type, stage, and treatment goals, doctors may recommend:
- Immunotherapy alone
- Chemotherapy alone
- Immunotherapy combined with chemotherapy
- Immunotherapy with targeted therapy
- Immunotherapy before or after surgery in selected situations
The most appropriate treatment plan is based on each patient’s individual condition.
The Role of Precision Oncology
Modern cancer care increasingly focuses on precision oncology, where treatment decisions are guided by clinical findings, pathology, molecular testing, and biomarker analysis.
Identifying the right patients for immunotherapy is an important part of this personalized approach. Biomarker testing can help oncologists determine whether immunotherapy is likely to play a role in the treatment plan.
At Dr. AV Cancer Institute, treatment recommendations are based on a comprehensive evaluation of the patient’s diagnosis, medical history, pathology findings, and relevant molecular information to develop a personalized cancer treatment strategy.
Frequently Asked Questions
1. Can every cancer patient receive immunotherapy?
No. Immunotherapy is suitable only for selected patients and depends on the type of cancer, biomarker results, previous treatments, and overall health.
2. How is immunotherapy given?
Most immunotherapy medicines are administered through intravenous (IV) infusion at scheduled intervals, although some treatments are available in other forms depending on the medication.
3. Can immunotherapy be combined with other treatments?
Yes. In selected patients, immunotherapy may be combined with chemotherapy, targeted therapy, radiation therapy, or surgery as part of the overall treatment plan.
4. Does immunotherapy have side effects?
Yes. Like all cancer treatments, immunotherapy can cause side effects. Your oncology team will monitor you closely and provide appropriate management if side effects occur.
