IBD Science for Patients

When you think of an appendectomy (the surgery to remove the appendix), you probably think of a sudden emergency like appendicitis. However, doctors at the Cleveland Clinic are now using this common operation as a planned way to help treat people living with Ulcerative Colitis (UC).

New research suggests that for some patients, removing this tiny organ might be a “forward-looking” way to keep the gut calm and reduce the chance of symptoms coming back.

What the Science Says

The decision to offer this treatment comes from two major clinical trials that have changed how doctors think about the appendix.

• The ACCURE Trial (2025): This study found that when patients had their appendix removed using “keyhole” surgery (laparoscopic) alongside their usual medicine, they had fewer “relapses” (flares) over the next year and felt much better in their daily lives.
• The COSTA Trial (2026): This trial compared appendectomy to switching to a strong type of medicine called a JAK inhibitor. It found that nearly one-third of the patients who had the surgery were in remission without their treatment failing, compared to only 12% of those who switched to the new medicine.

How Does It Work?

Scientists are still solving the puzzle of why this helps, but they have a few theories. The appendix is full of active immune system tissue. Doctors believe it might act as a “control centre” or a “trigger” for the immune response in the colon. By removing it, you might be removing the “spark” that keeps the inflammation going. It might also help balance the microbiome (the good and bad bacteria in your gut), which is often out of whack in people with UC.

Who Can Have This Surgery?

This isn’t for everyone. It is currently aimed at a very specific group of patients:

• People with moderate-to-severe UC who still have symptoms even though they are taking their medicine.
• Those who haven’t had major bowel surgery before.
• Patients who do not need their whole colon removed (a colectomy) right away,.

Why This Matters to You as a Patient

If you are struggling to keep your UC under control with just pills or injections, this research offers a completely new path.

1. A Simpler Option: Compared to many IBD surgeries, an appendectomy is a relatively straightforward and inexpensive procedure.
2. Reducing Reliance on Meds: For the right person, this could mean reaching remission faster or being able to take fewer high-dose medications, like steroids, which often have tough side effects.
3. Personalised Care: This is a great example of precision medicine – finding a specific surgical tool that works for your unique case rather than just trying more and more drugs.

While it doesn’t replace standard treatments, it’s an exciting “extra” option that could make a real difference to your long-term health.