Planned surgery under regional anesthesia
contraindication to the study drug
contraindication to the lumbar puncture
Contraindication to oxycodone
Pregnancy or lactation
no informed consent

NCT02573909_exc_T1
Procedure
surgery
NCT02573909_exc_T2
Procedure
regional anesthesia
NCT02573909_exc_T3
Mood
Planned
NCT02573909_exc_T4
Condition
contraindication
NCT02573909_exc_T5
Drug
study drug
NCT02573909_exc_T6
Condition
contraindication
NCT02573909_exc_T7
Procedure
lumbar puncture
NCT02573909_exc_T8
Condition
Contraindication
NCT02573909_exc_T9
Drug
oxycodone
NCT02573909_exc_T10
Condition
Pregnancy
NCT02573909_exc_T11
Condition
lactation