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Durapain in symptomatic treatment of severe acute pain: a post-marketing, prospective, multicenter, observational study – PRIME study

Authors Shah K, Chaudhari OB, Gupta P, Chaudhuri RH, Kamilya R, Kulkarni SS, Subbaiah S, Sorathia ZH, Billa G

Received 3 October 2016

Accepted for publication 13 January 2017

Published 25 May 2017 Volume 2017:10 Pages 1273—1278

DOI https://doi.org/10.2147/JPR.S123772

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Amy Norman

Peer reviewer comments 2

Editor who approved publication: Prof. Dr. Enrica Santarcangelo

Kshitij Shah,1 Omvijay B Chaudhari,2 Palash Gupta,3 R Hom Chaudhuri,4 Ranjan Kamilya,5 Shreedhar S Kulkarni,6 S Subbaiah,7 Zubair H Sorathia,8 Gauri Billa9

1MS Orthopedic, Prime Hospital, Andheri (West), 2Vatsalya Nursing Home, Kalyan (West), Mumbai, 3Dr. Palash Gupta Clinic, Rohini, New Delhi, 4Homchaudhuri’s Clinic, 5Apollo Gleneagles Hospital, Kolkata, West Bengal, 6Amrit Clinic, Matunga, Mumbai, 7Subbaiah’s Clinic, West Mambalam, Chennai, 8Medicare Hospital, Marol, Andheri East, 9Medical Services, Abbott Healthcare Pvt. Ltd, Mulund (West), Mumbai, Maharashtra, India

Objective: To assess the effectiveness, overall tolerability, and gastrointestinal (GI) tolerability of Durapain (fixed dose combination of tramadol hydrochloride immediate release [50 mg] and diclofenac sodium sustained release [75 mg]) in symptomatic treatment of severe acute pain in physician’s routine clinical practice.
Materials and methods: In this prospective, multicenter, observational, post-marketing study, adult patients (aged 18–60 years) with severe acute pain were treated with tramadol hydrochloride/diclofenac sodium as per approved prescribing information. Evaluation was done at baseline, day 2, and day 5. Primary end point was pain intensity difference from baseline to day 5.
Results: A total of 351 patients (mean age 44.2 years; male 43%; female 57%) were included. The mean pain score was reduced from 9.2±1.09 at baseline to 2.8±1.73 at day 5 (p<0.0001). The number of patients with severe intensity of pain reduced from 100% at baseline to 18.3% at day 2 and 6.96% at day 5. According to the patient assessment, 68.36% of patients reported tolerability as “very good to good”, whereas according to physician’s assessment, “very good to good” tolerability was reported in 68.27% of patients. Five (1.43 %) patients discontinued the study because of adverse drug reaction. Five patients developed nine GI-related events of moderate intensity. Two patients developed three adverse reactions (burning sensation in urine, giddiness, and urine retention) other than GI events. No serious adverse drug reactions were reported during the study period.
Conclusion: Tramadol hydrochloride/diclofenac sodium is an effective and well-tolerated treatment in Indian patients with severe acute pain. Treatment with tramadol hydrochloride/diclofenac sodium provides significant pain relief on day 2 and maintained until day 5 without any serious adverse reactions.

Keywords: Durapain, severe acute pain, tramadol and diclofenac combination

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