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

NCT 04291885

Brief Summary

The I-MAT trial is a randomised, placebo-controlled, phase II trial of adjuvant Avelumab in patients with stage I-III Merkel cell carcinoma aiming to explore the efficacy of avelumab as adjuvant immunotherapy.

Intervention / Treatment 

  • Drug: Avelumab
  • Drug: Placebo

Inclusion Criteria

  1. Histologically confirmed Merkel cell carcinoma (MCC) which is either:
    • clinical stage I;
    • pathological stage I with positive LVSI only;
    • 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.
  5. Willing and able to provide written informed consent and comply with all study requirements.
  6. Adequate haematological, liver and renal function as determined by the screening laboratory values outlined in the protocol obtained within 14 days prior to randomisation.
  7. Agreeable to collection of archival tumour material. Where possible, the most recently acquired tumour specimen should be provided.
  8. Women of child bearing potential (WOCBP) must have a negative serum or urine pregnancy test within 72 hours prior to the start of treatment.

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