2023-507547-11-00RecruitingPhase 1
A randomized, double-blind, placebo-controlled, single and multiple-dose-escalation, phase 1 study in healthy volunteers and patients with ulcerative colitis to evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamics of GRT-001 (MONOlith trial)
Source: EU CTIS (euclinicaltrials.eu) · Last updated 14 Jul 2026
- Status (registry)
- Recruiting
- Phase (registry)
- Phase 1
- Study type
- Interventional
- Enrollment
- 112 (estimated)
- First submitted
- 12 Oct 2023
- Start date
- 9 Feb 2024
- Lead sponsor
- Granite Bio AG
- Diseases
- Ulcerative colitis
- EU CT number
- 2023-507547-11-00
What you commit to
- Study type: Interventional · Phase 1
- Planned participants: 112
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of EU CTIS (euclinicaltrials.eu). It describes the study design.
AI-kivonat: who the study is looking for
Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.
The trial is looking for healthy volunteers and for adults with ulcerative colitis to test the safety and effects of GRT-001 compared with a placebo.
- Age
- 18 years or older
- Sex
- All sexes can join
Read by machine on 9 Nov 2026.
Sites (1)
Sites in registry order. Save your city in your profile to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Charite Research Organisation GmbH | Berlin | Germany | Recruiting |
This page is information, not medical advice. Discuss any trial with your doctor.