HOUSTON--(BUSINESS WIRE)--Visualase, Inc. with its research partner BioTex, Inc. and the “Assistance Publique - Hôpitaux de Paris” healthcare network have enrolled and completed treatment of the first six patients in a pilot, phase I study, with the objective to demonstrate the safety of the Visualase® magnetic resonance (MR) guided laser thermal ablation technique for the minimally invasive treatment of brain metastasis.