second-line therapy
(SEH-kund ... THAYR-uh-pee)
Treatment that is given when initial treatment (first-line therapy) doesn’t work, or stops working.
The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov.
Updates regarding government operating status and resumption of normal operations can be found at opm.gov.