Stereotactic ablative body radiotherapy (SABR)

Also known as: stereotactic body radiation therapy (SBRT)

Stereotactic ablative radiotherapy is delivered with fewer treatment fractions than conventional radiotherapy and can lead to fewer side effects as its so accurately targeted. We work with experienced and renowned consultants and radiotherapy specialists who provide exceptional patient care from your very first consultation.

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What is it for?

Treating some limited spread from many cancers cancers and some neurological conditions

Stereotactic ablative body radiotherapy (SABR) consultation at The London Clinic

Stereotactic ablative body radiotherapy (SABR) delivers extremely precise, high doses of radiation to cancer cellstumours while minimising damage to healthy tissue.

SABR uses state-of-the-art technology that pinpoints the exact three-dimensional location of a tumour within the body and tracks it during treatment. Compared to standard radiotherapy, the main benefits of SABR are that it leads to fewer side effects and disrupts people’s lives less. This is because the overall number of treatment sessions are shorter and take place over fewer weeksis less because a much higher dose is delivered with each treatment fraction.

At The London Clinic, we work with a team of world-class consultants who are experts at developing personalised treatment plans that maximise what SABR has to offer. SABR is usually undertaken as part of a multimodality personalised approach to cancer that may also include chemotherapy, immunotherapy, other forms of ablation or surgery.

They’re assisted by an expert multidisciplinary team that will support you from your first consultation, during your treatment and throughout your recovery.

Radiotherapy treatment is provided in the calm and welcoming surroundings of the Duchess of Devonshire wing.

As one of our patients, you’ll also receive exceptional personal care to maintain your physical health and emotional wellbeing the whole time you’re with us, including therapies such as acupuncture and reflexology.

FAQs

Stereotactic ablative body radiotherapy (SABR) – also known as stereotactic body radiation therapy (SBRT) – is a type of external beam radiotherapy.

It involves a specialised radiotherapy machine producing multiple highly focused beams of radiation. These beams are delivered from many different angles around the body and meet converge withinat the tumour. 

This ensures the tumour receives a very high dose of radiation and the surrounding healthy tissue receives a much lower dose. This helps to destroy cancer cells more effectively and lowers the risk of side effects.

Usually you have one to eight treatments of SABR, with each appointment taking typically 30–60 minutes. At The London Clinic, we have a state-of-the-art CyberKnife machine that can deliver incredibly accurate stereotactic ablative radiotherapy. 

CyberKnife has a robotic arm with a treatment head at the end of it that moves around you while you’re on the treatment couch. It delivers around 80 to 150 narrow beams of radiation from different angles. 

During your treatment, your tumour may move because of your breathing or movements of your body. CyberKnife continually checks for this by using multiple X-ray cameras and powerful software., to track the tumour as you breathe.

If the CyberKnife machine does spot that your cancer has moved, it automatically adjusts the beams of radiation to maximise the accuracy of your radiation treatment.

Compared to standard radiotherapy and surgery, stereotactic ablative radiotherapy typically delivers the following benefits:

Fewer side effects

Short-term side effects caused by SABR are usually temporary and mild because less healthy tissue is damaged. Serious side effects can occur but are rare. Your consultant will discuss all potential side effects with you.

Non-invasive treatment

SABR is a painless procedure. It usually involves no medication (anaesthetic) to reduce pain or discomfort. Cyberknife may involve insertion of small metallic markers, about thesize of a grain of rice.

Minimal recovery 

In most cases, people can resume normal activities within one to two days after SBRT. In contrast, conventional surgery may take several weeks to recover from.

Less time in hospital

SBRT is carried out as an outpatient procedure that normally lasts 30–60 minutes. You usually have one to eight treatments that are spread over a period of up to two weeks. Compared to standard radiotherapy, this means you spend much less time in hospital, and travelling to and from it. 

No disruption to treatment

Because SABR is usually straightforward and given in eight or fewer sessions, delays with other cancer treatments are rare. In contrast, standard radiotherapy is delivered in relatively small doses of radiation over several weeks. This increases the risk of other treatments, such as chemotherapy, being delayed.

Treatment with stereotactic ablative radiotherapy usually causes fewer side effects than standard radiotherapy. If you are affected by side effects following SABR, they usually don’t occur straight after treatment.

Instead, they tend to develop later during your course of treatment or days or weeks after treatment finishes. There’s also a small chance you’ll be affected by late effects of radiotherapy that start month or years after treatment.  

General side effects of SABR include:

•    Soreness and swelling in the area you’ve been treated
•    Tiredness and low energy (fatigue) that may occur for the first few days after SABR
•    Skin reactions, such as red, dry or itchy skin 
•    Nausea (abdominal treatments)

You may also be affected by other side effects that are specific to your type of cancer and where it’s located in your body. Your consultant will discuss these with you, as well as potential late effects of SABR treatment.

Stereotactic ablative radiotherapy is mainly used to treat very small cancers, including:

•    A cancer that starts in the lung (primary lung cancer)
•    A cancer that starts in the liver (HCC) or spreads to the liver (liver metastasis)
•    Cancers in the lymph nodes
•    Spinal cord tumours
•    Cancer spread in the brain  – SRS
•    Prostate cancer
•    Two big indications for SABR now are patients with oligometastases (1 – 5 tumours) or Oligoprogression (stable or responding disease in most of the cancer deposits but 1 – 3 growing tumours)

SABR may also be recommended for:  

•    People with cancer who have tumours not suitable for conventional radiotherapy 
•    People who have previously been treated with conventional radiotherapy
•    People whose general health makes it hard for them to have extensive surgery or an anaesthetic 
•    People who want to avoid surgery for personal reasons

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We offer Fixed Price Packages

Where possible, we’ll provide a fixed-price package for your hospital care. This covers your hospital stay, nursing, and use of our facilities, giving you a clear guide to what those costs will be.
  • Pre-op assessment
  • Hospital stay, nursing care and meals
  • Tests, scans and physio during your stay
  • Take-home medication (up to 5 days)
  • Post-op follow-up appointments
  • Standard equipment or prosthesis (if needed)
  • Unplanned extended stay or ITU (if clinically required)
  • Initial consultation and any tests done during it
  • Consultant and anaesthetist fees (quoted separately)
  • Physio or therapy before or after your stay
  • Diagnostics before admission (unless agreed in your plan)
  • Specialist medication beyond 5 days
  • Ambulance transport or bespoke prosthetics

Your consultant’s fees are quoted separately and shared directly by their office after your consultation. These professional fees cover the time, expertise, and care provided by your consultant before, during, and after your treatment. See our full terms and conditions

Your treatment journey at The London Clinic

First consultation Imaging scansAdditional planningYour SABR treatmentReview appointmentsFollow-up
Why choose The London Clinic?

Why choose The London Clinic?

Trusted for over 90 years, The London Clinic is an independent charitable hospital that reinvests into care, research, and support for those who can’t easily access private treatment.

The UK’s largest independent hospital

More patients choose The London Clinic than any other.

Top-rated by real patients

4.86/5 from over 1,600 reviews on Doctify and over 4.5 on Google.

Full intensive care on-site

World-class 13-bed ICU for expert support if your care becomes complex.

Investing in clinical excellence

Backed by Northwestern, we equip our teams with cutting-edge medical equipment.

0% Finance Options

We’ve teamed up with Chrysalis to offer you funding options that allow you to spread the cost of your treatment.

If you choose to pay for your treatment at The London Clinic over 12 months, you can make use of a great 0% interest option and pay nothing extra. Or you can choose to pay over two to five years at 14.9% APR.

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Trustees of the London Clinic Ltd trading as The London Clinic is an Appointed Representative of Chrysalis Finance Limited, which is authorised and regulated by the Financial Conduct Authority. The London Clinic is a credit broker, not a lender. The provider of a payment scheme which is not offered through or by Chrysalis Finance Limited may not be so authorised and regulated. Cancer treatments or transplants aren’t covered by finance packages. Finance options are only available for UK patients.