TILT Biotherapeutics Ltd. has entered into an agreement with Merck KGaA, Darmstadt, Germany and Pfizer to evaluate its armed oncolytic virus, TILT-123, with avelumab in patients with solid tumors refractory to routine modalities.   “We are pleased to initiate a collaboration with Merck KGaA, Darmstadt, Germany and Pfizer to translate our findings into patients. Preclinical results with TILT-technology and anti-PD(L)1 agents suggest immune activation and efficacy in certain animal models,” said A...