I-MAT MASC 03.18

Immunotherapy Adjuvant Trial in Patients With Stage I-III Merkel Cell Carcinoma

Trial summary:

Immunotherapy Adjuvant Trial in Patients With Stage I-III Merkel Cell Carcinoma

Receptor status / problem studied:

Stage I-III Merkel Cell Carcinoma

Inclusion criteria

  1. Histologically confirmed Merkel cell carcinoma (MCC) which is either:
    • clinical stage I (pathological stage I MCC patients are not eligible for the study);
    • clinical or pathological stage II (including IIA and IIB);
    • clinical or pathological stage III (including IIIA and IIIB).
  2. Absence of distant metastatic disease on baseline 18-Fludeoxyglucose (18FDG) – Positron Emission Tomography (PET) / Computed Tomography (CT) scan.
  3. 18 years of age or older.
  4. Eastern Cooperative Oncology Group (ECOG) of 0 – 2.

Exclusion criteria

  1. Ongoing or recent (within 5 years) evidence of significant autoimmune disease that required treatment with systemic immunosuppressive treatments, which may suggest significant risk for immune-related adverse events.
  2. Prior treatment with an agent that blocks the PD-1/PD-L1 pathway.
  3. Previous cancer immunotherapy, specifically interferon, anti-CD137, or anti-CTLA-4 antibody or any other antibody or drug specifically targeting T cell co-stimulation or checkpoint pathways are not permitted.
  4. Prior treatment with other immune-modulating agents that was within fewer than 28 days prior to the first dose of Avelumab.

View more trial information

Open for recruitment

Trial Title

I-MAT MASC 03.18


Skin cancer – non-melanoma

Type of trial


Type of treatement

Medical Oncology





Principal Investigator
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