Describing Treatment Patterns and Creating an Updated Treatment Flow in an Ulcerative Colitis Population

Study acronym: EFFECT-1LAT
StatusActive, Not Recruiting
PhaseNot specified
SponsorPfizer
Started

Free. We email you which fields changed when ClinicalTrials.gov updates this record.

Track this trial
View on ClinicalTrials.gov ↗
Trial flagged as At Risk
Primary completion moved at least 2 months later Jul 31, 2026 → Oct 30, 2026
See other at-risk trials from Pfizer

Record History

See every version on ClinicalTrials.gov ↗

  1. Primary and study completion pushed from Jul 31, 2026 to Oct 30, 2026
    • Secondary endpoints: details revised at 1 of 10 entries
    • Eligibility criteria expanded, about 5 words
  2. Trial status changed: Recruiting → Active, Not Recruiting
    • Site details revised
    v6
  3. Recruitment opened
    • Study sites: 0 to 1
    • Start date changed from estimate of Apr 30, 2026 to Apr 1, 2026
    v5
  4. Start date: Feb 27, 2026 to Apr 30, 2026
    • Primary and study completion pushed from May 31, 2026 to Jul 31, 2026
    v4
  5. Start date: Dec 30, 2025 to Feb 27, 2026
    • Study sites: 1 to 0
    • Primary and study completion dates: Mar 30, 2026 to May 31, 2026
    v3
  6. Start date: Sep 8, 2025 to Dec 30, 2025
    • Primary and study completion dates: Oct 31, 2025 to Mar 30, 2026
    v2
  7. Study First Submitted
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
Pfizer
438 trials monitored
See 32 trials at risk
Ulcerative Colitis
627 trials monitored
See 40 trials at risk
Describing Treatment Patterns and Creating an Updated Treatment Flow in an Ulcerative Colitis Population
Trial Details
NCT Number NCT07177209
Lead Sponsor Pfizer
Conditions
(from sponsor)		 Ulcerative Colitis
Related terms Colitis, Ulcerative
Enrollment 4,000 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov