The UTEL OTDR can be connected to the input of a UTEL OS-36 to provide test access for multiple fibres. The Optical Test Access Switches can be organised in a cascaded arrangement, which means a single UTEl OTDR can test an entire Optical Distribution Frame(ODF). The OTDR can be controlled remotely using TL1, XML or UTELs bespoke test management software.
Aetna considers pembrolizumab (Keytruda) medically necessary for the following indications: 1  Colorectal cancer - single agent therapy for. Primary treatment for unresectable metachronous metastases and previous adjuvant FOLFOX or CapeOX within the past 12 months; or.
PD-1, short for Programmed Death 1 (PD-1) receptor, has two ligands, PD-L1 and PD-L2. This checkpoint is the target of Merck & Co.'s melanoma drug Keytruda, which gained FDA approval in September 2014. An advantage of targeting PD-1 is that it can restore immune function in the tumor microenvironment.