It seems that the official website of the trial suggest that they are sill seeking donations to start the trial. On the other hand, it's reported in 2019 that they raised the necessary 75$ million to start the trial:
After closing the final $40m of its required $75m budget with a donation from a private source, the first drug trial directly targeting aging is set to begin at the end of this year, lead researcher Dr Nir Barzilai has revealed in an exclusive interview with Longevity.Technology.
I can't find any trial registration that the trial is started. What's up here? Did someone disappear with the money?