Abstract: The present invention relates to cancer treatment strategies comprising specific combinations of compounds or compositions that are administered intratumorally and can exert both local and distant anti-tumor effects. Preferred compounds and compositions to be combined for the intratumoral administration include a STING agonist and a TLR3 agonist. The disclosed combinations and related pharmaceutical compositions are additionally useful for inclusion in other cancer therapies such as radiotherapy or antibody-based immunotherapies.