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A Phase 1b, Randomized, Placebo-Controlled, Double-Blind Study to Evaluate Safety, Engraftment, and Initial Signs of Clinical Activity of MB310 in Patients With Active, Mild-to-Moderate Ulcerative Colitis

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Trial Profile

A Phase 1b, Randomized, Placebo-Controlled, Double-Blind Study to Evaluate Safety, Engraftment, and Initial Signs of Clinical Activity of MB310 in Patients With Active, Mild-to-Moderate Ulcerative Colitis

Status: Completed
Phase of Trial: Phase I

Latest Information Update: 20 Feb 2026

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At a glance

  • Drugs MB 310 (Primary)
  • Indications Ulcerative colitis
  • Focus Adverse reactions; First in man
  • Acronyms COMPOSER-1
  • Sponsors Microbiotica

Most Recent Events

  • 17 Feb 2026 Status changed from active, no longer recruiting to completed.
  • 24 Aug 2025 Planned End Date changed from 1 Dec 2025 to 1 Jan 2026.
  • 24 Aug 2025 Planned primary completion date changed from 1 Dec 2025 to 1 Jan 2026.

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