Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Dose adjustments in the paricalcitol arm for sites inside (A) and outside (B) the USA and Russia. Ca, calcium; Ca × P, calcium–phosphorus product. (Adherence to the dosing algorithms is mandatory unless the investigator feels there is a risk to subject safety.)
