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New treatment helps patients with rectal cancer avoid major surgery and side effects

by Jo Birdsey | News

24 August 2026

7 comments 7 comments

Surgeons looking at a screen
Shutterstock/2766472983

New research into early-stage rectal cancer could transform how patients are treated for the disease, according to a landmark trial funded by Cancer Research UK and Stand Up To Cancer. 

Rectal cancer is a type of bowel cancer. People with this type of cancer will generally undergo major surgery to remove their whole rectum, which can lead to significant side effects like bowel dysfunction, sexual and urinary problems, and a permanent colostomy bag. 

Now, the latest result from the STAR-TREC trial could change that – and bring about enterprising new treatment options for people affected by rectal cancer. 

Researchers at UCL, the University of Birmingham and the University of Leeds found that chemoradiotherapy (having radiotherapy at the same time as chemotherapy) and minor surgery only when needed allowed 4 in 5 patients to keep their rectum and avoid significant side effects.  

Michelle Mitchell, Cancer Research UK’s chief executive, says: “This breakthrough could be life-changing for thousands of people.” 

Who is STAR-TREC for? 

Man standing in dappled light in a garden.
Brian took part in our STAR-TREC trial.

Around 4,100 people in England are told they have early-stage rectal cancer each year – people like Brian, a 69-year-old from Birmingham, who went his GP after he noticed a change in his bowel habits and bleeding when he went to the toilet. 

Brian assumed he’d be diagnosed with haemorrhoids, but instead was sent for an emergency endoscopy that identified a suspicious lump just inside his rectum. A biopsy of the lump revealed that he had rectal cancer. 

“The diagnosis was totally unexpected,” he says. “I was shocked but accepting of it. I knew worrying wouldn’t help, so I just focused on living life. Two weeks later, my consultant told me about a clinical trial called STAR-TREC.”  

Brian was one of over 500 patients recruited across five countries for the trial.

He didn’t feel daunted by the prospect of joining it: “My consultant explained that the usual treatment would be surgery and it was highly likely I’d be left with a permanent colostomy bag. The decision wasn’t difficult, so I said, ‘sign me up.’ My view was to go for the trial as I couldn’t be any worse off if nothing worked, and it might be useful for future cancer patients.” 

During the trial, Brian had five days of intensive radiotherapy. Fortunately, he experienced minimal side effects beyond a little nausea and some lower back pain, which cleared up quickly.

Things are only impossible until they’re not 

The trial compared the current surgical treatment method with two different organ-preserving treatment approaches – five weeks of chemoradiotherapy or five days of radiotherapy. 

After 12 months, the research team found that five weeks of chemoradiotherapy was more effective than the other two treatment approaches. Patients in this group were less likely to need radical surgery than those who had five days of radiotherapy, and experienced minimal side effects. 

The researchers who worked on this trial are pleased with the outcome. 

David Sebag-Montefiore, one of STAR-TREC’s co-chief investigators and Professor of Clinical Oncology at the University of Leeds, says: “These exciting results are an example of how a smarter, kinder radiotherapy treatment may allow patients to avoid the need for major surgery.”  

What comes next – and how can we ‘Make it so?’ 

The research team will follow patients for the next three years, to monitor whether the cancer is more likely to come back without radical surgery, and whether there’s a difference in survival. 

Simon Bach, co-chief investigator of the trial and Professor of Colorectal Surgery at UCL, says: “The next step is to confirm these results hold over the longer term, and then to make sure the approach is available to every patient who could benefit.”  

And what’s next for Brian?

Well, since he finished participating in the trial, CT scans, MRI scans and endoscopies have all shown no trace of cancer.

He believes the treatment he received has allowed him to enjoy a better quality of life than he may have been able to have if he’d had standard treatment – so he’s getting back to enjoying his passions, like supporting Millwall Football Club, and travelling.  

Brian says, “I’m a massive fan of clinical trials. They can be a real game-changer for people like me. Success stories like mine wouldn’t be possible without research into better and kinder treatments.”

    Comments

  • Mrs Gloria Humby
    14 September 2026

    The NHS and incredible surgical team at Winchester Hospital successfully managed to remove a bowel cancer tumour almost 18 mths ago. I was very fortunate not to have needed a stoma. After a month in hospital they saved my life and a recent scan confirmed (touch wood!) no recurrence. To those who are affected ‘keep your chin up’! I am now 91, feeling fine and so thankful for a new lease of life!

  • Kirk Creswell
    31 August 2026

    Is there any similar work being done in the US? Thanks so much for sharing this.
    God bless

  • Andy Bowman
    26 August 2026

    Great news. In 2010 I had a mix of radiotherapy and chemo which meant that the tumour disappeared but I would express a note of caution as in 2020 the tumour reappeared and I had to have major surgery. There is a need to monitor the long term effectiveness of this treatment over more than five years as suggested.

  • Lesley Atherton
    26 August 2026

    I was diagnosed with Anal Cancer in December 2024, I had 5 weeks of Chemoradiotherapy and at the moment there is no evidence of disease. I had my treatment at the North Wales Cancer Centre. I’ve recently had a CT scan but I’m still waiting for the results, Hopefully it’s good news fingers crossed 🤞

  • Chris Smallbones
    26 August 2026

    I’d just like to thank Brian and the rest of the volunteers who took part in this trial. It’s brave people like yourselves who pave the way for a better understanding of treatments and give the rest of us hope. None of this would be possible without the dedication of the men and women who devote their careers tirelessly to developing these treatments, so thank you to every one of you.

    I’m proud to be supporting Cancer Research UK, and it’s stories like this that remind me of the true value of my donations.

    Good luck to you, Brian, for your continued good health — and in the spirit of the ‘STAR-TREC’ trial, may you live long and prosper.

  • Deborah Brown
    26 August 2026

    I wish this was discovered before I had rectal cancer and the radical surgery, I’m still coming to terms living with a stoma and everything that goes along with it, I still grieve for my ‘normal’ previous life over the ‘new normal ‘ if that makes sense. Good luck with the trials 🤞

  • Margo Spridgeon
    24 August 2026

    Without Clinical Trials such as this one in particular and the massive advances and in this case alone a successful outcome, it could take years to evaluate and determine whether to treat this form of Cancer aggressively or not and potentially changing the life of the individual. Let us support these Trials.

Tell us what you think

Leave a Reply

Your email address will not be published. Required fields are marked *

Read our comment policy.

    Comments

  • Mrs Gloria Humby
    14 September 2026

    The NHS and incredible surgical team at Winchester Hospital successfully managed to remove a bowel cancer tumour almost 18 mths ago. I was very fortunate not to have needed a stoma. After a month in hospital they saved my life and a recent scan confirmed (touch wood!) no recurrence. To those who are affected ‘keep your chin up’! I am now 91, feeling fine and so thankful for a new lease of life!

  • Kirk Creswell
    31 August 2026

    Is there any similar work being done in the US? Thanks so much for sharing this.
    God bless

  • Andy Bowman
    26 August 2026

    Great news. In 2010 I had a mix of radiotherapy and chemo which meant that the tumour disappeared but I would express a note of caution as in 2020 the tumour reappeared and I had to have major surgery. There is a need to monitor the long term effectiveness of this treatment over more than five years as suggested.

  • Lesley Atherton
    26 August 2026

    I was diagnosed with Anal Cancer in December 2024, I had 5 weeks of Chemoradiotherapy and at the moment there is no evidence of disease. I had my treatment at the North Wales Cancer Centre. I’ve recently had a CT scan but I’m still waiting for the results, Hopefully it’s good news fingers crossed 🤞

  • Chris Smallbones
    26 August 2026

    I’d just like to thank Brian and the rest of the volunteers who took part in this trial. It’s brave people like yourselves who pave the way for a better understanding of treatments and give the rest of us hope. None of this would be possible without the dedication of the men and women who devote their careers tirelessly to developing these treatments, so thank you to every one of you.

    I’m proud to be supporting Cancer Research UK, and it’s stories like this that remind me of the true value of my donations.

    Good luck to you, Brian, for your continued good health — and in the spirit of the ‘STAR-TREC’ trial, may you live long and prosper.

  • Deborah Brown
    26 August 2026

    I wish this was discovered before I had rectal cancer and the radical surgery, I’m still coming to terms living with a stoma and everything that goes along with it, I still grieve for my ‘normal’ previous life over the ‘new normal ‘ if that makes sense. Good luck with the trials 🤞

  • Margo Spridgeon
    24 August 2026

    Without Clinical Trials such as this one in particular and the massive advances and in this case alone a successful outcome, it could take years to evaluate and determine whether to treat this form of Cancer aggressively or not and potentially changing the life of the individual. Let us support these Trials.

Tell us what you think

Leave a Reply

Your email address will not be published. Required fields are marked *

Read our comment policy.