Ph1 Study of SL-172154 Administered Intratumorally in Subjects With Squamous Cell Carcinoma of the Head and Neck or Skin

This Phase 1 trial will evaluate the safety, tolerability, pharmacokinetics, anti-tumor activity and pharmacodynamic effects of SL-172154 when administered as an intratumoral injection (ITI) and identify the dose and schedule i.e., recommended Phase 2 dose (RP2D) for future development. Eligible subjects must have unresectable or recurrent, locally advanced or metastatic squamous cell carcinoma of the skin or head and neck, that is not amenable to curative surgery or radiotherapy. The study design consists of four sequential dose-escalation cohorts and an optional pharmacodynamic cohort to obtain additional pharmacodynamic data at one or more dose levels that have completed evaluation for safety without exceeding the maximum tolerated dose (MTD).

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