New database aims to crack the code on three rare skin cancers
NCT ID NCT03210935
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is building a large French database of patients with three rare skin cancers: Merkel cell carcinoma, advanced basal cell carcinoma, and cutaneous adnexal carcinomas. Researchers will track up to 9,000 participants to learn how these cancers behave, what factors affect prognosis, and how different treatments impact outcomes. The goal is to gather real-world evidence to improve future care.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this study could provide doctors with better information to predict how these rare skin cancers behave and which treatments work best.
- What could go wrong
- This is an observational study, not a treatment trial. It will not directly test a new drug or cure, and results may take years to influence patient care.
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.
- Participants
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About 9,000 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2015
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Patients with histologically confirmed Merkel cell carcinoma, advanced basal cell carcinoma requiring systemic treatment, or cutaneous adnexal carcinoma
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- 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.
Inclusion Criteria: * Patients with histologically confirmed Merkel cell carcinoma, advanced basal cell carcinoma requiring systemic treatment, or cutaneous adnexal carcinoma Exclusion Criteria: * Subjects without Merkel cell carcinoma, advanced basal cell carcinoma requiring systemic treatment, or cutaneous adnexal carcinoma * Patients refusal
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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
34 sites. 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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CH Annecy Gennevois
RECRUITINGAnnecy, France
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CH Le Mans
RECRUITINGLe Mans, Le Mans, 72037, France
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CHR d'Orleans
RECRUITINGOrléans, France
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CHU Ambroise Paré
RECRUITINGBoulogne-Billancourt, France
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CHU Amiens Picardie
RECRUITINGAmiens, France
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CHU Angers
RECRUITINGAngers, France
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CHU Avicenne
RECRUITINGBobigny, France
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CHU Besançon
RECRUITINGBesançon, France
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CHU Bichat
RECRUITINGParis, France
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CHU Bocage
RECRUITINGDijon, Dijon, 21079, France
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CHU Cochin
RECRUITINGParis, France
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CHU Nantes - Place Alexis Ricordeau
RECRUITINGNantes, France
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CHU St Louis
RECRUITINGParis, France
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CHU de Bordeaux
RECRUITINGPessac, France
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CHU de Brest
RECRUITINGBrest, France
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CHU de Caen
RECRUITINGCaen, France
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CHU de Clermont Ferrand
RECRUITINGClermont-Ferrand, France
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CHU de Grenoble
RECRUITINGGrenoble, France
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CHU de Limoges
RECRUITINGLimoges, France
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CHU de Nancy
RECRUITINGNancy, France
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CHU de Nice
RECRUITINGNice, France
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CHU de Pointe à Pitre
RECRUITINGPointe à Pitre, France
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CHU de Poitiers
RECRUITINGPoitiers, France
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CHU de Reims
RECRUITINGReims, France
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CHU de Rennes
RECRUITINGRennes, France
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CHU de Rouen
RECRUITINGRouen, France
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CHU de Strasbourg
RECRUITINGStrasbourg, France
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CHU de Toulouse - Larrey
RECRUITINGToulouse, France
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CHU de Tours
RECRUITINGTours, France
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Centre Léon Bérard
RECRUITINGLyon, France
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Centre hospitalier Lyon Sud
RECRUITINGPierre-Bénite, Pierre-benite, 69495, France
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Hôpital La Timone
RECRUITINGMarseille, France
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Hôpital St Eloi
RECRUITINGMontpellier, France
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Institut Gustave Roussy
RECRUITINGVillejuif, France
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a new antibody help the immune system fight Hard-to-Treat tumors?
- Could a lighter immunotherapy schedule keep advanced cancers in check?
- Blood markers could spot hidden skin cancer return
- Cancer-Killing virus shows promise in early trial for advanced tumors
- Immune cell therapy shows promise for tough cancers
- New scan could spot hidden tumors more accurately