Written by Karen Selby, RN | Medically Reviewed By Dr. Rupesh Kotecha | Edited By Walter Pacheco | Last Update: June 27, 2024

What Is Cryotherapy?

When a doctor performs cryotherapy, they will insert a special tool called a cryoprobe into the patient’s body. This helps them to pinpoint and target any solid tumors. CAT scans are used to help make sure that the tumor is targeted accurately. The needle has super-cooled nitrogen or argon flowing through it which freezes the cancer tissue around the tip of the probe.

Cryotherapy Facts
  • Used to treat localized tumors
  • Causes few side effects and requires short recovery time
  • May be used to treat mesothelioma recurrence
  • Can also shrink large tumors to relieve symptoms

Doctors use a special technique to get rid of cancer cells. They freeze and thaw the tissue in the area where the cancer is several times, which stops blood from flowing to it. Using CAT scans and ultrasounds, they can make sure that healthy tissue isn’t hurt while getting rid of cancer cells. Another way to do cryotherapy is by spraying super-cooled nitrogen on tumors.

Once the cryotherapy kills off cancer cells, your body’s immune system will get to work breaking them down and absorbing them. This can help encourage your immune system to look for more cancer cells around your body. Healthy tissue may grow back in the area where you had treatment.

Illustration depicting a bronchoscope guiding a cryotherapy probe into the left lung to deliver cryotherapy to tumors in the region.
Diagram shows how surgeons administer cryotherapy to kill tumors.

Cryotherapy is a type of treatment for cancer that has been used by doctors for over 100 years. With the help of modern technology, it’s now one of the safest ways to treat tumors in certain areas. It only takes about an hour and can be done in a special room instead of an operating room.

A 2021 clinical research study reported that cryotherapy could control thoracic tumors with a 77% success rate for two years. Future trials are aiming to increase effectiveness up to 90% for preventing local recurrence.

Cryotherapy for Mesothelioma

Doctors use cryotherapy to treat several types of cancer, and the effectiveness for mesothelioma has been tested.

In many cases, mesothelioma cells are too widely dispersed for a localized treatment such as cryotherapy to target them all. Some oncologists maintain that when mesothelioma has spread to more than two locations, it is highly likely that the patient has many other microscopic metastases that would prevent this therapy from effectively curing the cancer.

Many hospitals do not yet offer this treatment specifically for mesothelioma, but some facilities do provide it to mesothelioma patients upon a radiologist’s approval. The UCLA Medical Center is one such facility that has treated mesothelioma patients with cryotherapy.

Renowned mesothelioma surgical oncologist Dr. Robert Cameron is also investigating the procedure for mesothelioma and promotes cryotherapy research at the Pacific Mesothelioma Center.

Three Ways Doctors Use Cryotherapy in Mesothelioma Treatment

Before Surgery

Before doing major surgery to take away tumors, doctors usually try to make them smaller with other cancer treatments. The two most common ones are chemotherapy and radiation, but some doctors have tried cryotherapy in clinical trials.

After Surgery

This is the most common period during which cryotherapy is used. Though multimodal treatment plans may be used to get rid of the tumor, sometimes it can come back months or years later.

Rather than a major surgery, doctors can use cryotherapy to treat small tumors that come back. In one study from UCLA, Dr. Fereidoun Abtin was able to control up to 95% of local recurrences at one year.

Symptom Relief

Cryotherapy can relieve the pain associated with mesothelioma by shrinking tumors that press against the lungs and other organs. Cryotherapy is valuable as a palliative treatment option because it carries a very low risk of complications or side effects.

Survivor Story
Survivor Story
Kay Kilpatrick-Simmons Pleural Mesothelioma

Survivor Credits Novel Cryotherapy With No New Tumor Growth

Kay Kilpatrick-Simmons underwent cryoablation, the novel treatment kills recurrent mesothelioma tumor cells with liquid nitrogen. Recent scans show no new tumor growth for Kay. She’s especially grateful for finding Dr. Robert Cameron, whose office is 3 miles from her home in L.A. Many people travel from across the country for his expertise in treating mesothelioma.

Read Kay’s Story

Side Effects and Complications

Unlike many other cancer treatments, this therapy causes very few side effects. It is less invasive than open surgery and requires a much shorter recovery time. Most patients are able to resume their normal schedules as soon as 24 hours after the procedure is completed.

Because treatment is delivered directly to the tumors, there is little risk the healthy surrounding tissues will be damaged. One 2007 study found 81% of patients with diseases such as lung cancer, mesothelioma and colorectal cancer were treated without any damage to adjacent tissues or organs.

Rare complications after cryotherapy for recurrent pleura mesothelioma patients include a hemorrhage, collapsed lung or fluid buildup near the lung.

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