Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Cutaneous Squamous Cell Carcinoma (CSCC): early-phase trial registry
4 of 5 indexed Cutaneous Squamous Cell Carcinoma (CSCC) 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 · 4 currently recruiting · #3,391 of 28,707 conditions by registered trial count
Cutaneous Squamous Cell Carcinoma (CSCC): 5 US clinical trials tracked, 4 recruiting.
Cutaneous Squamous Cell Carcinoma (CSCC) is the subject of 5 registered US clinical trials on ClinicalTrials.gov, 4 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is Boundless Bio, running 1 of these trials.
Enrollment posture brief
Registry condition cutaneous-squamous-cell-carcinoma-cscc
OPEN 4 | RECR 80% | LATE 1 | EARLY 2 | RANK #3391 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Acute Leukemia of Ambiguous Lineage (80% recruiting · 10 trials)
Cutaneous Squamous Cell Carcinoma (CSCC) lists 4 open slots (80% 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 Cutaneous Squamous Cell Carcinoma (CSCC) 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.
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Cutaneous Squamous Cell Carcinoma (CSCC) is recruiting above its size-band peers.
4 of 5 indexed trials (80%) 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.
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One sponsor concentrates Cutaneous Squamous Cell Carcinoma (CSCC) research.
Boundless Bio accounts for 1 of 5 trials (20%). 5 distinct sponsors appear on at least one study for this condition label.
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Most Cutaneous Squamous Cell Carcinoma (CSCC) trials plan to enrol fewer than 100 people.
Median target enrolment is 85 among the 5 trials that report a genuine target (sentinel values excluded). 3 of those (60%) plan for fewer than 100 participants.
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Cutaneous Squamous Cell Carcinoma (CSCC) splits between interventional and observational designs.
3 interventional and 2 observational studies make up this index (60% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
5 total, page 1 of 1
Study of Intralesional Cemiplimab in Adult Patients With Early Stage Cutaneous Squamous Cell Carcinoma
Regeneron Pharmaceuticals
NCT06585410
Tumor-Informed ctDNA Testing for MRD Following Treatment of Squamous Cell Carcinoma
University of California, San Francisco
NCT06606028
A Phase 0 Window of Opportunity Trial of Intratumoral Seasonal Influenza Immunization in Cutaneous Squamous Cell Carcinoma (CSCC) Patients Awaiting Curative Excision
Dana-Farber Cancer Institute
NCT06664151
Liquid Biomarker Study in Melanoma and Non-Melanoma Skin Cancers
University of Wisconsin, Madison
NCT06608511
Study of the CHK1 Inhibitor BBI-355, an ecDNA-directed Therapy (ecDTx), and the RNR Inhibitor BBI-825, in Subjects With Tumors With Oncogene Amplifications
Boundless Bio
NCT05827614
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 2 |
| Phase 3 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Cutaneous Squamous Cell Carcinoma (CSCC) records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Cutaneous Squamous Cell Carcinoma (CSCC) trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Cutaneous Squamous Cell Carcinoma (CSCC) page
5 registered trials, 4 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 4 Cutaneous Squamous Cell Carcinoma (CSCC) trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Boundless Bio sponsors the most Cutaneous Squamous Cell Carcinoma (CSCC) trials on record, review their full trial history before evaluating a specific study. See Boundless Bio'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 Cutaneous Squamous Cell Carcinoma (CSCC) condition card totals 5 registered trials; most-linked intervention BBI-825; top US site state Massachusetts. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.