A Crossover Study on the Blinding Effect of a New Pragmatic Placebo Needle
NCT01948375
·
clinicaltrials.gov ↗
NA
Phase
COMPLETED
Status
60
Enrollment
OTHER
Sponsor class
Conditions
Device Ineffective
Interventions
DEVICE:
real needle- placebo needle
DEVICE:
placebo needle - real needle
Sponsor
Guang'anmen Hospital of China Academy of Chinese Medical Sciences