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ClinicalTrials.gov 3 recruiting now early-phase tilt small index

Carcinoma in Situ: early-phase trial registry

3 of 5 indexed Carcinoma in Situ trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #3,391 of 28,707 conditions by registered trial count.

5 US clinical trials · 3 currently recruiting · #3,391 of 28,707 conditions by registered trial count

Carcinoma in Situ: 5 US clinical trials tracked, 3 recruiting.

Carcinoma in Situ is the subject of 5 registered US clinical trials on ClinicalTrials.gov, 3 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 3 in Phase 1-2 (earlier-stage). The most active sponsor is Children's Oncology Group, running 2 of these trials.

Enrollment posture brief

Registry condition carcinoma-in-situ

OPEN 3 | RECR 60% | LATE 1 | EARLY 3 | RANK #3391 | SPON 2

Nearest open-share peer: Acute Kidney Injury (AKI) (60% recruiting · 5 trials)

Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%Carcinoma in Situ (this)60%
Open-enrollment share among volume-matched conditions near Carcinoma in Situ

Carcinoma in Situ lists 3 open slots (60% of 5 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 Carcinoma in Situ 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. Carcinoma in Situ is recruiting above its size-band peers.

    3 of 5 indexed trials (60%) 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.

  2. One sponsor concentrates Carcinoma in Situ research.

    Children's Oncology Group accounts for 2 of 5 trials (40%). 4 distinct sponsors appear on at least one study for this condition label.

  3. Typical Carcinoma in Situ enrolment sits around 300 participants.

    Median target enrolment is 300 among the 5 trials that report a genuine target (sentinel values excluded). 1 of those (20%) plan for fewer than 100 participants.

  4. Carcinoma in Situ research is mostly interventional.

    4 interventional and 1 observational studies make up this index (80% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 11Phase 22Phase 31

Phase Distribution

PhaseTrial count
Phase 1 1
Phase 2 2
Phase 3 1

Top Sponsors

Named interventions

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

Valrubicin, 800 mg Drug
1 trials
BCG Biological
1 trials
Internet-Based Intervention Other
1 trials
Intismeran autogene Biological
1 trials
Medical Device Usage and Evaluation Device
1 trials
Cytology Specimen Collection Procedure Other
1 trials
Educational Intervention Other
1 trials
Medical Chart Review Other
1 trials

US sites by state

Facility locations filed on Carcinoma in Situ trials. A trial with sites in several states counts in each.

California 5 trials
Florida 3 trials
Arizona 3 trials
Alabama 3 trials
Virginia 2 trials
Texas 2 trials
Pennsylvania 2 trials
Ohio 2 trials

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

What to do with this Carcinoma in Situ page

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

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 Carcinoma in Situ condition card totals 5 registered trials; most-linked intervention Valrubicin, 800 mg; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.