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Clinical Trial 20260

Cancer Type: Head & Neck

Study Type: Treatment
Phase of Study: Phase II

  • Jameel Muzaffar

Call 813-745-6100
or 1-800-679-0775

Study Title

A Phase 2 Efficacy and Safety Trial of ADU-S100 and Pembrolizumab in Adults with Head and Neck Cancer


This study is an open-label, multicenter Phase 2 clinical trial to evaluate the efficacy and safety of intratumoral ADU-S100 (also referred to as MIW815) administered with pembrolizumab in the first-line setting. The population will consist of adults with PD-L1 positive recurrent or metastatic HNSCC.


Primary: Evaluate the clinical efficacy of ADUS100 administered in combination with pembrolizumab. Secondary: Characterize safety and tolerability, Further evaluate clinical activity, Characterize the pharmacokinetics (PK) of ADU-S100 administered by intratumoral injection following a single dose and multiple doses. Exploratory: Assess pharmacodynamic, immunomodulatory, and potential prognostic and/or predictive biomarkers and Pharmacogenetic analysis

Inclusion Criteria

  • Histological or cytological confirmation of recurrent or metastatic HNSCC
  • Measurable disease as defined by RECIST v1.1
  • PD-L1 positive

  • Exclusion Criteria

  • Diagnosis of recurrent or metastatic carcinoma of the nasopharynx, squamous cell carcinoma of unknown primary histology; or salivary gland or non-squamous histologies (e.g. mucosal melanoma)
  • Disease amenable to local therapy with curative intent (surgery or radiation therapy with or without chemotherapy)
  • Prior systemic anti-cancer therapy (use of chemotherapeutic agents, targeted small molecules, immunotherapy, or monoclonal antibodies) for the treatment of recurrent or metastatic HNSCC