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ClinicalTrials.gov 1 recruiting now early-phase tilt small index

Microscopic Colitis: early-phase trial registry

1 of 1 indexed Microscopic Colitis trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #11,370 of 28,707 conditions by registered trial count.

1 US clinical trials · 1 currently recruiting · #11,370 of 28,707 conditions by registered trial count

Microscopic Colitis: 1 US clinical trial tracked, 1 recruiting.

Microscopic Colitis is the subject of 1 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is Eugene F Yen, MD, running 1 of these trials.

Enrollment posture brief

Registry condition microscopic-colitis

OPEN 1 | RECR 100% | LATE 0 | EARLY 1 | RANK #11370 | SPON 1

Nearest open-share peer: Aortic Arch Aneurysm (100% recruiting · 5 trials)

Microscopic Colitis (this)100%Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%
Open-enrollment share among volume-matched conditions near Microscopic Colitis

Microscopic Colitis lists 1 open slots (100% of 1 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Microscopic Colitis on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.

  1. Microscopic Colitis is recruiting above its size-band peers.

    1 of 1 indexed trials (100%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

Phase 21

Phase Distribution

PhaseTrial count
Phase 2 1

Top Sponsors

Eugene F Yen, MD 1 trials

Named interventions

Most-linked intervention names on Microscopic Colitis records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Rifaximin 550mg Drug
1 trials

US sites by state

Facility locations filed on Microscopic Colitis trials. A trial with sites in several states counts in each.

Illinois 1 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

What to do with this Microscopic Colitis page

1 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • 1 Microscopic Colitis trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • Eugene F Yen, MD sponsors the most Microscopic Colitis trials on record, review their full trial history before evaluating a specific study. See Eugene F Yen, MD's trials
  • Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Microscopic Colitis condition card totals 1 registered trials; most-linked intervention Rifaximin 550mg; top US site state Illinois. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.