New 4-Year Study Shows Lasting Remission Is Possible for UC

If you’ve been living with ulcerative colitis, you know that familiar mix of hope and skepticism that comes with news about a potential treatment. You’ve probably heard promises before—medications that seemed promising in early studies but didn’t deliver the lasting relief you desperately needed. The cycle of trying new treatments, experiencing initial hope, and then watching symptoms return can feel exhausting.

But sometimes, research delivers results that genuinely change the game. Today’s news about a four-year study on mirikizumab (Omvoh) might be one of those breakthrough moments that our community has been waiting for.

Summary of Read the full article here

A groundbreaking four-year clinical trial has shown that mirikizumab, an injectable biologic medication, can provide sustained remission for people with moderate to severe ulcerative colitis. The drug works by targeting interleukin-23, a protein that drives inflammation in the colon.

The study followed participants through a 12-week initial treatment phase, then a 40-week maintenance phase, and finally into a long-term extension—making it one of the longest studies of its kind. The results were impressive: over 60% of people who continued on mirikizumab maintained clinical remission after four years, meaning their UC symptoms were minimal or absent.

Perhaps equally important, many participants achieved endoscopic remission, where the actual inflammation and damage in the colon decreased significantly. The study also showed that people could maintain remission without needing steroids—a crucial finding since long-term steroid use comes with serious side effects.

Safety data showed that most side effects were mild to moderate, with infection rates similar to other biologic treatments currently used for IBD.

This post summarizes reporting from Read the full article here. Our analysis represents IBD Movement’s perspective and is intended to help patients understand how this news may affect them. Read the original article for complete details.

What This Means for the IBD Community

This study represents something our community rarely sees: genuine long-term data that goes beyond the typical one or two-year timeframes of most clinical trials. Four years is significant because it gives us insight into what sustained remission actually looks like in real-world terms.

For those of us who have cycled through multiple treatments—perhaps starting with mesalamine, moving to immunomodulators, then trying various biologics—mirikizumab represents a different approach. By targeting interleukin-23 specifically, it’s attacking inflammation through a pathway that hasn’t been fully explored in previous UC treatments. This means it could work for people who haven’t responded to TNF inhibitors like Humira or Remicade, or integrin blockers like Entyvio.

The fact that over 60% of participants maintained remission for four years is remarkable in the context of UC treatment. Many of us know the disappointment of a medication working wonderfully for six months or a year, only to lose effectiveness over time. This study suggests that mirikizumab’s benefits may be more durable than what we’ve seen with some other options.

The Steroid-Free Remission Factor

One aspect of this study that deserves special attention is the achievement of corticosteroid-free remission. If you’ve been on prednisone or other steroids long-term, you know the double-edged sword they represent. Yes, they can quickly calm inflammation and provide relief, but the side effects—weight gain, mood changes, bone density loss, increased infection risk—can significantly impact quality of life.

The ability to maintain remission without steroids isn’t just about avoiding side effects; it’s about reclaiming your relationship with your body. When you’re not dealing with steroid-induced changes, you can better distinguish between how UC affects you versus how medication affects you. This clarity can be incredibly empowering in managing your overall health.

Questions to Discuss with Your Healthcare Team

If this news has sparked your interest, here are some important questions to consider bringing up with your gastroenterologist:

  • Given my current treatment history and disease severity, could mirikizumab be an appropriate option for me?
  • How does mirikizumab compare to my current treatment in terms of mechanism of action and expected outcomes?
  • What would the timeline look like for trying this medication, and how would we monitor its effectiveness?
  • Are there any specific factors in my medical history that would make mirikizumab more or less suitable?
  • What insurance considerations should I be aware of, and are there patient assistance programs available?

Remember, your doctor knows your complete medical picture and can help you understand whether this treatment aligns with your specific situation and goals.

The Broader Context of IBD Treatment Evolution

This study fits into a larger trend we’re seeing in IBD research: the move toward more targeted, personalized treatments. Rather than the one-size-fits-all approach of earlier decades, we’re now seeing medications designed to target specific inflammatory pathways. This precision approach increases the likelihood that people who don’t respond to one mechanism might find success with another.

The IL-23 pathway that mirikizumab targets is also being explored in Crohn’s disease research, which suggests we might see benefits for our Crohn’s community members in the future. This cross-over potential is exciting because it represents a deeper understanding of the inflammatory processes that drive IBD as a whole.

Managing Expectations and Hope

While these results are genuinely encouraging, it’s important to approach them with informed optimism. Not everyone will respond to mirikizumab, just as not everyone responds to any single IBD treatment. The 60% remission rate, while impressive, means that 40% of participants didn’t maintain long-term remission with this medication.

However, this doesn’t diminish the significance of having another effective option in our treatment toolkit. For some people reading this, mirikizumab could be the medication that finally provides the sustained relief they’ve been seeking. For others, it might serve as a bridge treatment or part of a combination approach.

The key is that we now have more choices, and more choices mean better odds of finding something that works for your unique situation. Every new treatment option approved represents another chance for someone in our community to find their path to remission.

This four-year study on mirikizumab offers something precious to the ulcerative colitis community: evidence that lasting remission is not just possible, but achievable for many people. While every treatment journey is individual, having a medication that has demonstrated sustained effectiveness over four years provides genuine hope for those still searching for their optimal treatment plan. The key is working closely with your healthcare team to determine if this new option might be right for your specific situation.


IBD Movement provides information for educational purposes only. This content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.