Targeted Therapy and Avelumab in Merkel Cell Carcinoma (GoTHAM)

NCT 04261855

Brief Summary

10.17 GoTHAM is intended as a signal-seeking, biomarker, phase Ib/II study that will evaluate the safety and anti-tumour activities of the novel combination of avelumab with 177-Lu-DOTATATE (a type of peptide receptor radionuclide therapy; PRRT) or external beam radiation therapy (EBRT) in patients with metastatic Merkel cell carcinoma (mMCC).

Intervention / Treatment 

  • Drug: Avelumab
  • Radiation: External Beam Radiation Therapy (EBRT)
  • Radiation: Lutetium-177 (177Lu)-DOTATATE

Inclusion Criteria

  • Patient is 18 years of age or older and who has provided written informed consent.
  • Patient has histologically confirmed metastatic MCC.
  • Eastern Cooperative Oncology Group (ECOG) performance status of ≤2 .
  • Willing and able to comply with all study protocol requirements for the duration of the study.
  • Patient must have measurable disease by CT or MRI per RECIST version 1.1 criteria.
  • Patient is treatment naïve (no prior systemic therapy for unresectable or metastatic MCC). Note that prior chemotherapy is permitted in the adjuvant setting for loco-regional disease. Prior radiation is permitted for treatment of the primary or loco-regional disease.
  • At least 2 weeks since the completion of prior therapy, including surgery or radiotherapy.
  • Screening laboratory values, obtained within 14 days prior to registration/randomisation must meet the criteria specified in the protocol.
  • Women of childbearing potential (WOCBP) must use appropriate method(s) of contraception
  • WOCBP must have a negative serum or urine pregnancy test within within 7 days prior to the start of avelumab treatment and should be performed every 4 weeks in line with other safety bloods or clinical reviews.
  • Male patients who are sexually active with a WOCBP must use any contraceptive method with a failure rate of less than 1% per year.
  • Patient must be agreeable to have archival tumour material collected

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