I came across this so putting here just FYI.

THE NEUROTRANSMISSION | September 2020, Vol. 4
The Neurotransmission Update: Expanded Access, COVID-19 Disruption and Clinical Trials Updates

... mentions that apart from the Diabetic PN trial at East Virginia, they hope to begin trials by early next year in "chemo-induced peripheral neuropathy and HIV-induced peripheral neuropathy".

Expanded Access | Information for Patients | FDA
“compassionate use”, expanded access

I also found a Registration for a trial in Australia "for healthy volunteers" but nothing has happened on that since 12/04/2017 (12th of April) as far as I could find.
ANZCTR - Registration
Australian New Zealand Clinical Trials Registry.