- Patients may not have received prior systemic or hepatic directed infusional/embolization therapies for advanced uveal melanoma; local therapies such as radiofrequency ablation or cryotherapy for metastatic disease are permitted but must have been performed at least 21 days prior to initiation of study therapy; lesions treated with local modalities such as radiofrequency ablation or cryotherapy may not be used as target lesions unless they demonstrate growth over a minimum of 3 months on subsequent imaging studies