"In addition, Dr. KKZ had a poster from 2018.  In it he listed taking the measurements at approx 4 or 5 time periods  - I can't recall...but I did see that poster from the site, you have to go back to posters from previous years."

Here you go:

https://www.resverlogix.com/upload/media_element/125/20402f6425eb/2018-05-02-era-edta-poster-2018-kidney-disease-subgroup.pdf

"abstract is on page 181 or 182....took me a long time scrolling through...started from the bottom"

Oh my! Don't search by eye to find it. Use your phone or computers browser or PDF viewer search function to search for instances of the word apabetalone! Make technology do the work!

https://www.era-edta.org/VirtualCongress2020/Accepted_Abstracts_ERAEDTA_2020.pdf

BDAZ