Comparison of a traditional paracetamol medication and a new paracetamol/paracetamol-methionine ester combination |
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Authors: | L. A. Skoglund P. Skjelbred |
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Affiliation: | (1) Institute of Pharmacology and Department of Oral Surgery and Oral Medicine, University of Oslo, Oslo, Norway |
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Abstract: | Summary The SUR 2647 combination is a sachet formulation containing free paracetamol and its N-acetyl-methionate ester (SUR 2647). In a randomized, single-blind, between-patient study the onset of analgesia, duration and efficacy of the SUR 2647 combination vs paracetamol was investigated in outpatients after oral surgery. One group (n=27) received sachets of SUR 2647 combination 2 b.i.d. (equivalent to 2 g paracetamol ×2) on the day of operation, and one sachet b.i.d. (equivalent to 1 g paracetamol ×2) for the following two days. The other group (n=26) received paracetamol tablets 2 q.i.d. on the day of operation (1 g×4) and one tablet q.i.d. (0.5 g×4) for the following two days. Several objective and subjective assessments, including pain score on a visual analogue scale, were recorded for comparison of the postoperative courses. Median onset of analgesia for both groups was 0.5 h. The duration after SUR 2647 combination was 5.5 h as compared to 2.5 h for paracetamol. Mean pain scores showed that the SUR 2647 combination regime reduced pain significantly more than the paracetamol regime from 0.5 to 3.0 h after initiation of medication. The mean pain scores did not show a significant difference during the remaining observation period. Mild to moderate drowsiness was reported in both treatment groups, but it was more common in subjects given SUR 2647 combination. |
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Keywords: | paracetamol SUR 2647 combination pain oral surgery hepatotoxicity paracetamol-methionate wisdom teeth removal analgesic efficacy side effect |
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