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Randomized Controlled Trial
. 2010 Sep;152(1):86-90.
doi: 10.1016/j.ejogrb.2010.05.007. Epub 2010 Jun 15.

Efficacy and safety of aceclofenac and drotaverine fixed-dose combination in the treatment of primary dysmenorrhoea: a double-blind, double-dummy, randomized comparative study with aceclofenac

Anil Pareek  1 , Nitin B Chandurkar, Rajeshree T Patil, Swati N Agrawal, Rajini B Uday, Sanjaykumar G Tambe
Affiliations
Randomized Controlled Trial

Efficacy and safety of aceclofenac and drotaverine fixed-dose combination in the treatment of primary dysmenorrhoea: a double-blind, double-dummy, randomized comparative study with aceclofenac

Anil Pareek et al. Eur J Obstet Gynecol Reprod Biol. 2010 Sep.

Abstract

Objective: To evaluate the efficacy and safety of aceclofenac-drotaverine combination against aceclofenac alone in patients with primary dysmenorrhoea.

Study design: This double-blind, double-dummy, randomized, comparative, multicentric study enrolled 200 women (100 women in each arm) in the age range of 18-35 years with primary dysmenorrhoea at four centers. The patients were randomly allocated to either aceclofenac 100mg-drotaverine 80 mg b.i.d or aceclofenac 100mg alone b.i.d for a maximum of 3 days. Primary efficacy parameters were total area under pain relief (PR) score up to 4 and 8h (TOPAR/4 and TOPAR/8). Secondary efficacy measurements were pain-intensity difference (PID), sum of PID over 4 and 8h (SPID/4 and SPID/8), peak PID over 4 and 8h and peak PR over 4 and 8h, total study drug consumption, and patient's and investigator's global evaluation of the efficacy.

Results: Both treatments showed significant improvement in baseline values in all efficacy parameters. The combination was significantly superior to monotherapy in terms of TOPAR/4 (24.0 vs 18.54) (p=0.000) and TOPAR/8 (40.3 vs 35.2) (p=0.003), SPID/4 (-17.9 vs -13.88) (p=0.000) and SPID/8 (-31.06 vs -26.8) (p=0.001), peak PID/4 (-6.60 vs -5.75) (p=0.001) and peak PR/4 (8.26 vs 7.10) (p=0.000). At the end of 8h, both treatments were comparable with respect to peak PID/8 and peak PR/8 (p>0.05). The total number of doses consumed by patients treated with combination therapy was less than with monotherapy (150 vs 168 doses). The combination was significantly superior to monotherapy with respect to patient's and investigator's global evaluation of the efficacy (p=0.002 and p=0.001, respectively). Both treatments were well tolerated.

Conclusion: This study establishes the efficacy of aceclofenac-drotaverine combination in patients with primary dysmenorrhoea. The fixed-dose combination of aceclofenac and drotaverine should therefore be considered as a suitable, effective and well tolerated treatment option for primary dysmenorrhoea.

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