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A double-blind, randomised, crossover study of two doses of a single-tablet combination of ibuprofen/paracetamol and placebo for primary dysmenorrhoea

Eccles, Ronald, Holbrook, Amanda and Jawad, Martez 2010. A double-blind, randomised, crossover study of two doses of a single-tablet combination of ibuprofen/paracetamol and placebo for primary dysmenorrhoea. Current Medical Research and Opinion 26 (11) , pp. 2689-2699. 10.1185/03007995.2010.525028

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Abstract

Objectives: Efficacy of pain relief may potentially be enhanced by combining two or more analgesics with different mechanisms of action. The objective of this study was to assess the efficacy and tolerability of a novel single-tablet combination of ibuprofen and paracetamol compared with placebo in females experiencing moderate-to-severe pain due to primary dysmenorrhoea, a prevalent, recurrent condition characterised by pain at the time of menses. Methods: This was a phase II/III, double-blind, randomised, cross-over, single-dose study in 94 women with moderate-to-severe dysmenorrhoea, examining the efficacy and tolerability of one or two tablets of a single-tablet combination of ibuprofen 200 mg/paracetamol 500 mg compared with placebo. Clinical trial registration: ISRCTN42521357 Results: Total pain relief over 6 hours post-dose (TOTPAR0–6h) was significantly greater following administration of two tablets of the single-tablet combination of ibuprofen 200 mg/paracetamol 500 mg compared with placebo (LS means: 2.35, 1.85, respectively; p = 0.0001) and approached significance for one tablet (LS mean: 2.10; p = 0.054). Statistically superior pain relief and reductions in pain intensity were achieved from 2 hours and 90 minutes post-dose, respectively, with the higher dose combination, and from 4 hours with the lower dose combination compared with placebo. Overall effectiveness (sum of pain intensity difference and pain relief score [SPRID] over 6 hours) were statistically superior to placebo for both one and two tablets of the ibuprofen/paracetamol combination (p = 0.0011 and p = 0.03, respectively). Both dose combinations were well-tolerated. Adverse events were minor and their frequency and nature did not differ with either treatment compared with placebo. Conclusions: One or two tablets of a single-tablet combination of ibuprofen 200 mg/paracetamol 500 mg is well-tolerated and provides superior analgesic efficacy to placebo in patients with primary dysmenorrhoea.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Subjects: Q Science > Q Science (General)
R Medicine > R Medicine (General)
Uncontrolled Keywords: Analgesia; Ibuprofen; Paracetamol; Dysmenorrhoea; Period pain
Publisher: Informa Healthcare
ISSN: 0300-7995
Related URLs:
Last Modified: 04 Jun 2017 03:11
URI: http://orca.cf.ac.uk/id/eprint/17772

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