New ulcerative colitis drug enters first human safety trial

NCT ID NCT06681181

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This early-stage trial is testing a new drug called GSK4528287 for the first time in humans. The goal is to check for side effects and see how the drug behaves in the body. 48 healthy volunteers will receive a single dose, with the amount increased gradually in different groups. If it's safe, this could lead to future studies in people with ulcerative colitis.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

GSK4528287

What this could lead to

If this drug proves safe, it could lead to a new treatment option for people with inflammatory bowel diseases like ulcerative colitis.

What could go wrong

This is a very early, small phase 1 trial in healthy volunteers, not patients. The drug may not work or could have side effects that stop further development.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

Crohn disease inflammatory bowel disease ulcerative colitis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • GSK Investigational Site

    Cambridge, CB2 0GG, United Kingdom