Personalized Approach in Cancer Treatment: Immunotherapy, CAR-T Cell Therapy, CIK Cell Therapy, and Cancer Vaccines

18 Aug 2026 Area of Interest

Cancer treatment has been undergoing a major transformation in recent years. In addition to classical treatments such as surgery, chemotherapy, and radiotherapy, newly developed cellular therapies, immunotherapy, and personalized cancer vaccines offer promising results for many patients. Turkish Medical Centers provides consultancy on accessing modern cancer treatments by connecting its patients with oncology centers operating at international standards.

What is Cancer?

Cancer is a group of diseases caused by the uncontrolled multiplication of cells in the body. Early diagnosis and accurate treatment planning are of great importance in terms of life expectancy and quality of life. The most common types of cancer include:

  • Breast cancer

  • Colon (large intestine) cancer

  • Lung cancer

  • Prostate cancer

  • Lymphoma

  • Leukemia

  • Liver cancer

  • Pancreatic cancer

New Approaches in Breast Cancer Treatment

Breast cancer is one of the most common types of cancer in women. Today, treatment is planned according to the biological characteristics of the disease. Modern treatment options include:

  • Surgery

  • Chemotherapy

  • Radiotherapy

  • Targeted therapies

  • Immunotherapy

  • Cellular therapies applied within the scope of clinical trials

Thanks to personalized molecular analyses, the most appropriate treatment option can be determined.

Current Treatments in Colon Cancer

When caught at an early stage, colon cancer can be treated with high success. The following are used in the treatment:

  • Laparoscopic surgery

  • Robotic surgery

  • Chemotherapy

  • Smart drugs (Targeted therapy)

  • Immunotherapy (in patients with appropriate biomarkers)

Immunotherapy can provide significant benefits, especially in some colon cancer patients with MSI-H/dMMR characteristics.

What is Immunotherapy?

Immunotherapy is a modern treatment method that supports the immune system in recognizing and destroying cancer cells. Its advantages include:

  • More targeted effect

  • Long-term response in some patients

  • Potential to extend survival in certain types of cancer

  • Personalized treatment plan

Immunotherapy can be used with appropriate patient selection in diseases such as:

  • Lung cancer

  • Melanoma

  • Kidney cancer

  • Bladder cancer

  • Lymphoma

  • Certain breast cancers

  • Certain colon cancers

What is CAR-T Cell Therapy?

CAR-T (Chimeric Antigen Receptor T Cell) therapy is based on genetically reprogramming the patient’s own T lymphocytes in a laboratory setting and strengthening them to target cancer cells. Today, CAR-T therapy is an approved treatment option for certain hematological cancers. Main areas of use include:

  • B-cell acute lymphoblastic leukemia (B-ALL)

  • Diffuse large B-cell lymphoma (DLBCL)

  • Primary mediastinal B-cell lymphoma

  • Mantle cell lymphoma

  • Follicular lymphoma

  • Multiple myeloma (specific CAR-T products)

Research on CAR-T therapy in solid tumors (breast, colon, etc.) is ongoing.

What is CIK Cell Therapy?

CIK (Cytokine-Induced Killer Cell) therapy is a cellular immunotherapy approach aimed at multiplying the patient’s immune cells in a laboratory environment and administering them back to the patient. CIK therapy is evaluated within the scope of research and specific clinical applications in some countries. The level of evidence varies depending on the type of cancer, and it is not yet accepted as a standard treatment for every cancer.

Dendritic Cell (Cancer) Vaccine

Cancer vaccines are personalized immunotherapies aimed at mobilizing the immune system against the tumor. Dendritic cell vaccines:

  • Can be prepared specifically for the patient.

  • Aim to increase the immune response.

  • Are applied in clinical trials or for specific indications in some centers.

Not every patient may be suitable for this treatment. The decision must be made after a thorough oncology evaluation.

Personalized Cancer Treatment

In modern oncology, the same treatment is no longer applied to all patients. Advanced diagnostic methods are utilized when creating a treatment plan, such as:

  • PET-CT

  • Genetic analyses

  • Molecular biomarkers

  • PD-L1

  • MSI

  • TMB

  • NGS (Next-Generation Sequencing)

Through these methods, the most appropriate treatment strategy for the patient can be determined.

International Oncology Consultancy with Turkish Medical Centers

Turkish Medical Centers offers coordination services for the evaluation of international patients in experienced oncology centers in Turkey. Support provided for patients includes:

  • Oncology specialist evaluation

  • Second opinion

  • Molecular analysis planning

  • Immunotherapy evaluation

  • CAR-T eligibility assessment (in appropriate centers)

  • Evaluation of clinical trial options

  • Surgical planning

  • Treatment organization

  • International patient coordination

Conclusion

Cancer treatment is evolving rapidly. Immunotherapy, CAR-T cell therapy, CIK cell therapy, and personalized cancer vaccines offer promising options for suitable patients. However, not every treatment is suitable for every patient. The most accurate approach should be determined following a detailed evaluation by experienced oncology teams.

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