From: Multicentre, double-blind, crossover trial to identify the Optimal Pathway for TreatIng neurOpathic paiN in Diabetes Mellitus (OPTION-DM): study protocol for a randomised controlled trial
Treatment pathway 1
Treatment pathway 2
Treatment pathway 3
Sequence 1
A-P
D-P
P-A
Sequence 2
Sequence 3
Sequence 4
Sequence 5
Sequence 6