There has been a lot of excitement about the exanatide phase 3 trial finally getting underway. For the record Cure Parkinson's Trust are involved in 2 more glp1 receptor agonist trials (diabetes drugs like exanatide) which might be better at reaching the brain.
This one, in France, was originally due to report any day now. Not sure whether it's still on track after covid
cureparkinsons.org.uk/2018/...
clinicaltrials.gov/ct2/show...
And this one was in the USA, and was also originally due to report any day now