Could a shot replace the knife for skin cancer?
NCT ID NCT06585410
First seen Jun 26, 2026 · Last updated Sep 17, 2026 · Updated 9 times
Summary
This phase 3 trial tests whether injecting the drug cemiplimab directly into early-stage skin cancer tumors can work as well as surgery. About 369 people with small tumors on the head, neck, hand, or shin will be randomly assigned to get either the injections or standard surgery. The study will compare how long people stay cancer-free and track side effects.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- cemiplimab (Libtayo)
- What this could lead to
- If it works, this could offer a non-surgical option for early-stage skin cancer, potentially avoiding scars and recovery time.
- What could go wrong
- This is still experimental; cemiplimab may not work as well as surgery, and side effects from immune activation can occur. The trial is also limited to specific tumor sizes and locations.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 369 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2025
- Expected to finish
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May 2030
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Key Inclusion Criteria: 1. Participants who have a histologically confirmed invasive CSCC TL, as described in the protocol 2. Participants who have CSCC TL ≥1 cm and ≤2.0 cm (longest diameter) prior to biopsy and \>0.7 cm to ≤2.0 cm after biopsy, located in either the Head or Neck (HN), hand, or pre-tibial surface, as described in the protocol 3. Participants who are judged to be eligible for surgical resection of their CSCC TL and the method of planned surgical resection would be Micrographically oriented histographic surgery (Mohs) or other surgical method of Complete Margin Assessment (CMA). Participants for whom the planned surgery is surgical excision without margin control are not eligible 4. Eastern Cooperative Oncology Group (ECOG) performance status (PS) ≤1 5. Adequate hepatic, renal and bone marrow functions, as described in the protocol Key Exclusion Criteria: 1. Participant in which the TL is a keratoacanthoma (KA), adenosquamous carcinoma, desmoplastic carcinoma, sarcomatoid carcinoma, basal cell carcinoma, basosquamous carcinoma, Bowen's disease, or CSCC in situ without an invasive component. (Note: For participants with invasive CSCC with a minor basaloid component, the patient may be eligible after discussion with the sponsor medical director.) 2. Ongoing or recent (within 5 years) evidence of significant autoimmune disease that required treatment with systemic immunosuppressive treatments, which may suggest risk for immune-mediated Adverse Events (imAEs), as described in the protocol 3. History of non-infectious pneumonitis within the last 5 years 4. TL (lesion planned for intralesional therapy) or other non-target CSCC lesion in dry red lip (vermillion), oral cavity, or nasal mucosa NOTE: Other protocol defined inclusion / exclusion criteria apply.
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Get notified about this study
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
50 sites in 2 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Arkansas Research Trials
RECRUITINGNorth Little Rock, Arkansas, 72117, United States
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Buckeye Dermatology - Springfield Office
RECRUITINGSpringfield, Ohio, 45505, United States
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Center for Clinical Studies at Webster Clear Lake
RECRUITINGWebster, Texas, 77598, United States
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Cleveland Clinic
RECRUITINGCleveland, Ohio, 44195, United States
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Clinical Research Center of the Carolinas
RECRUITINGCharleston, South Carolina, 29407, United States
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Columbia University Medical Center - Herbert Irving Center for Dermatology and Skin Cancer - Herbert Irving Pavilion
RECRUITINGNew York, New York, 10032, United States
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Dana-Farber Cancer Institute
RECRUITINGBoston, Massachusetts, 02215, United States
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Dawes Fretzin Clinical Research - Shadeland Ave.
WITHDRAWNIndianapolis, Indiana, 46250, United States
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Dermatology Associates of the Palm Beaches, Integri Research at Dermatology Associates
RECRUITINGDelray Beach, Florida, 33445, United States
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Dermatology Health Specialists
RECRUITINGBend, Oregon, 97702, United States
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Dermatology Institute of Victoria (DIV)
RECRUITINGSouth Yarra, Victoria, 3141, Australia
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Dermatology and Skin Cancer Center
RECRUITINGLee's Summit, Missouri, 64064, United States
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Epiphany Dermatology
RECRUITINGLewisville, Texas, 75056, United States
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Equity Medical, LLC
WITHDRAWNBowling Green, Kentucky, 42104, United States
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Fremantle Dermatology
RECRUITINGFremantle, Western Australia, 6160, Australia
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George Washington University Medical Faculty Associates
RECRUITINGWashington D.C., District of Columbia, 20037, United States
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Las Vegas Dermatology
RECRUITINGLas Vegas, Nevada, 89144, United States
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Life Clinical Trials
RECRUITINGCoral Springs, Florida, 33071, United States
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Mayo Clinic - Arizona
RECRUITINGScottsdale, Arizona, 85259, United States
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Medical Dermatology Specialists - Phoenix
RECRUITINGPhoenix, Arizona, 85006, United States
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Memorial Sloan Kettering Cancer Center
RECRUITINGNew York, New York, 10021, United States
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Metropolitan Dermatology
WITHDRAWNClark, New Jersey, 07066, United States
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MyMichigan Dermatologic Oncology
RECRUITINGMidland, Michigan, 48640, United States
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Northeast Dermatology Associates
RECRUITINGBeverly, Massachusetts, 01915, United States
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Oak Dermatology
RECRUITINGNaperville, Illinois, 60563, United States
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Oregon Health & Science University
RECRUITINGPortland, Oregon, 97239, United States
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Peak Dermatology, Aesthetics and Wellness
RECRUITINGVisalia, California, 93291, United States
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Penn Medicine, Perelman Center For Advanced Medicine
RECRUITINGPhiladelphia, Pennsylvania, 19104, United States
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Penn State Hershey Medical Center
RECRUITINGHershey, Pennsylvania, 17033, United States
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Princess Alexandra Hospital
RECRUITINGWoolloongabba, Queensland, 4102, Australia
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Profound Research, Dermatology Medical Group - Oceanside
RECRUITINGOceanside, California, 92056, United States
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Reveal Research Institute
RECRUITINGDallas, Texas, 75235, United States
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Rochester Dermatologic Surgery, P.C.
RECRUITINGVictor, New York, 14564, United States
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Somerset Skin Centre
RECRUITINGTroy, Michigan, 48084, United States
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Stanford University
RECRUITINGRedwood City, California, 94063, United States
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StracSkin, PLLC
RECRUITINGPortsmouth, New Hampshire, 03801, United States
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Texas Dermatology and Laser Specialists
RECRUITINGSan Antonio, Texas, 78218, United States
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The Skin Hospital
RECRUITINGDarlinghurst, New South Wales, 2010, Australia
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The University of Texas MD Anderson Cancer Center
RECRUITINGHouston, Texas, 77030, United States
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The University of Texas at Austin Dell Medical School Ascension Medical Group
RECRUITINGAustin, Texas, 78701, United States
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U.S. Dermatology Partners
RECRUITINGCedar Park, Texas, 78613, United States
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UC San Diego Moores Cancer Center
RECRUITINGLa Jolla, California, 92093, United States
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UNC Hospitals Dermatology and Skin Cancer Center at Southern Village
RECRUITINGChapel Hill, North Carolina, 27516, United States
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US Dermatology Partners DBA DermAssociates, PC
RECRUITINGRockville, Maryland, 20850, United States
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University of Arizona Cancer Center
RECRUITINGTucson, Arizona, 85719, United States
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University of Chicago Medical Center
RECRUITINGChicago, Illinois, 60637, United States
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University of New Mexico
RECRUITINGAlbuquerque, New Mexico, 87102, United States
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University of Oklahoma Health Sciences Center
RECRUITINGOklahoma City, Oklahoma, 73104, United States
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University of South Florida
RECRUITINGTampa, Florida, 33612, United States
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University of Utah Hospital
RECRUITINGSalt Lake City, Utah, 84132, United States
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Vcu Massey Cancer Center
RECRUITINGRichmond, Virginia, 23298, United States
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Washington University in St. Louis - Center for Dermatologic and Cosmetic Surgery
RECRUITINGSt Louis, Missouri, 63141, United States
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Westmead Hospital
RECRUITINGWestmead, New South Wales, 2145, Australia
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a tiny biopsy outsmart skin Cancer's spread?
- Immunotherapy may treat skin cancer in kidney transplant patients without rejection
- Blood clot marker may predict immunotherapy success in advanced skin cancer
- New drug aims to fight skin cancer in transplant patients
- Could a 2-Week radiation course replace longer treatment for skin cancer?
- French study tracks Real-World skin cancer care for 1500 patients