Effects of Pre-emptive Scalp Infiltration With Ketorolac and Ropivacaine for Post-craniotomy Pain

2019-10-31 14:29:39 | BioPortfolio


The PAINLESS study is a single-center, prospective, randomized, open-label, blinded-endpoint (PROBE) controlled clinical study to compare the efficacy and safety of pre-emptive scalp infiltration with ropivacaine plus ketorolac and ropivacaine alone for postoperative pain relief in adults undergoing elective supratentorial craniotomies.


The proposed study will be a single-center, prospective, randomized, open-label, blinded-endpoint clinical trial designed to test the hypothesis that the addition of ketorolac to pre-emptive scalp infiltration analgesia can significantly improve analgesia after craniotomies. One hundred participants will be randomized to the ketorolac group or the control group. Patients in the ketorolac group will receive pre-emptive scalp infiltration with opivacaine,ketorolac and epinephrine while patients in the control group will receive pre-emptive scalp infiltration with ropivacaine and epinephrine.The primary outcome measure will be cumulative doses of patient-controlled analgesia (PCA) butorphanol consumption from 0 to 48 h postoperatively.

Study Design




Ketorolac, Ropivacaine, Epinephrine


Not yet recruiting


Beijing Tiantan Hospital

Results (where available)

View Results


Published on BioPortfolio: 2019-10-31T14:29:39-0400

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Medical and Biotech [MESH] Definitions

A pyrrolizine carboxylic acid derivative structurally related to INDOMETHACIN. It is a non-steroidal anti-inflammatory agent used for analgesia for postoperative pain and inhibits cyclooxygenase activity.

A racemic mixture of d-epinephrine and l-epinephrine.

Product of epinephrine O-methylation. It is a commonly occurring, pharmacologically and physiologically inactive metabolite of epinephrine.

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