Alternative Prostate Cancer Treatments: How Electroporation-Based Therapies Work

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Alternative Prostate Cancer Treatments: How Electroporation-Based Therapies Work

Most men diagnosed with prostate cancer are recommended either radical prostatectomy or radiation therapy. Both are associated with significant lasting side effects, and there are several less invasive treatment options available that aim to remove the cancer while maintaining quality of life.

Some of the most promising alternative prostate cancer treatments are electroporation-based therapies. These treatments rely on high-voltage electrical pulses to increase the permeability of cancer cell membranes.

Depending on the modality, cancer cells are either immediately destroyed through irreversible electroporation or can be more effectively treated with chemotherapeutic agents through electrochemotherapy.

Why Electroporation-Based Therapies Are Different Than Other Focal Treatments

Electroporation-based treatments are not the only focal therapies available for prostate cancer. Other established alternatives include high-intensity focused ultrasound (HIFU), cryotherapy, and focused laser ablation.

However, unlike electroporation, these techniques are thermal treatments, which means they rely on either extreme heating or freezing to kill cancer cells. In the process, these thermal techniques can increase the risk of affecting surrounding tissue and structures, potentially leading to lasting side effects.

Electroporation techniques are non-thermal in nature, which helps preserve the integrity of surrounding structures and may reduce the risk of functional side effects.

Types of Electroporation-Based Therapies for Prostate Cancer

The application of electroporation-based therapies has been increasingly studied in prostate cancer through clinical research. Currently, two primary modalities have been used to treat prostate cancer using electroporation techniques.

Irreversible Electroporation (IRE)

Irreversible electroporation (IRE) is a relatively new technique that became commercially available for research purposes in 2009 and received FDA 510(k) clearance for soft tissue ablation, including prostate tissue, in December 2024.

During treatment, high-voltage electrical pulses are passed between thin needle electrodes to create permanent pores in cancer cell membranes, leading to immediate cell death.

The technique is minimally invasive and can be guided by advanced imaging, allowing for the treatment of biologically complex tumours, including those located near sensitive structures.

Electrochemotherapy (ECT)

Electrochemotherapy has been widely applied in several oncological fields, including the treatment of skin tumours, hepatocellular carcinoma, colorectal liver metastases, and bone metastases. However, its application in prostate cancer has been limited.

This modality is currently being offered by Vitus Privatklinik in Offenbach, Germany, with the centre recently publishing the first clinical cohort analysis of electrochemotherapy for prostate cancer in December 2025.

During electrochemotherapy, reversible electroporation is applied to the treatment zone to increase the permeability of cancer cell membranes. This allows low-dose chemotherapy drugs to be more efficiently absorbed by the cancer cells, helping to destroy them over time.

Because of this increased efficiency, electrochemotherapy enables a more targeted approach that can be administered in a single session, compared to traditional chemotherapy, which is typically delivered systemically over multiple treatment cycles.

Benefits of Electroporation-Based Therapies

Electroporation-based therapies are designed to offer a more targeted and less invasive approach to treating prostate cancer. By avoiding heat and focusing on the tumour itself, these treatments aim to reduce the impact on surrounding structures and overall quality of life.

Some potential benefits include:

• Shorter recovery times compared to traditional surgery.
  
• Preservation of surrounding tissue and critical structures within the prostate, including areas near the neurovascular bundle.
  
• Reduced risk of common side effects such as urinary incontinence and erectile dysfunction.
  
• Can be guided using advanced imaging for more precise targeting of the tumour.
  
• Can be performed on an outpatient basis.
  

Conclusion

Electroporation-based therapies represent a newer approach to prostate cancer treatment that focuses on targeting the tumour while preserving surrounding structures. By avoiding the use of heat or whole-gland removal, these techniques offer an alternative for patients seeking less invasive options.

While these treatments continue to be studied and are not suitable for every case, they are expanding the range of available approaches for managing prostate cancer. As with any treatment decision, it is important to review all options and consult with a qualified healthcare team to determine the most appropriate path based on individual circumstances.