Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.

ClinicalTrials.gov enrollment closed later-stage tilt small index

Chronic Idiopathic Urticaria: later-stage trial registry

A small indexed set (3 trials) with no open enrollment listed right now.

Corpus placement: #5,209 of 28,707 conditions by registered trial count.

3 US clinical trials · none currently recruiting · #5,209 of 28,707 conditions by registered trial count

Chronic Idiopathic Urticaria: 3 US clinical trials tracked, none currently recruiting.

Chronic Idiopathic Urticaria is the subject of 3 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. 3 are in Phase 3-4 (later-stage) and 0 in Phase 1-2 (earlier-stage). The most active sponsor is Genentech, running 2 of these trials.

Enrollment posture brief

Registry condition chronic-idiopathic-urticaria

OPEN 0 | RECR 0% | LATE 3 | EARLY 0 | RANK #5209 | SPON 2

Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)

Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%Chronic Idiopathic Urtic (th…0%
Open-enrollment share among volume-matched conditions near Chronic Idiopathic Urticaria

Chronic Idiopathic Urticaria has no open enrollment in this registry pull (3 archived studies). Peers show how other volume-matched labels compare on open share. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Chronic Idiopathic Urticaria 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. Chronic Idiopathic Urticaria is recruiting below its size-band peers.

    0 of 3 indexed trials (0%) 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 33

Phase Distribution

PhaseTrial count
Phase 3 3

Top Sponsors

Genentech 2 trials

Named interventions

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

Omalizumab Drug
2 trials
Placebo Drug
2 trials
H1 antihistamine, H2 antihistamine, leukotriene receptor antagonist Drug
1 trials
Xolair Prefilled Syringe Drug
1 trials
Diphenhydramine Drug
1 trials
Omalizumab Injection Drug
1 trials

US sites by state

Facility locations filed on Chronic Idiopathic Urticaria trials. A trial with sites in several states counts in each.

Indiana 3 trials
Florida 3 trials
Massachusetts 2 trials
Georgia 2 trials
California 2 trials
Missouri 1 trials
Minnesota 1 trials
Michigan 1 trials

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

What to do with this Chronic Idiopathic Urticaria page

3 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • No Chronic Idiopathic Urticaria trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
  • Genentech sponsors the most Chronic Idiopathic Urticaria trials on record, review their full trial history before evaluating a specific study. See Genentech'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 Chronic Idiopathic Urticaria condition card totals 3 registered trials; most-linked intervention Omalizumab; top US site state Indiana. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.