Abstract
Background
Non steroidal anti-inflammatory drugs (NSAIDs) have been shown to reduce the incidence of post endoscopic retrograde cholangiopancreatography pancreatitis (PEP). There were various trials using different routes and dosages of NSAIDs but meta-analysis revealed inconsistent results.
Aims
The aims of this study were to determine the efficacy of rectal diclofenac in preventing PEP and to evaluate any adverse events.
Methods
This was a randomized, open-label, two-arm, prospective clinical trial. Only patients at high risk of developing PEP were recruited. They received 100 mg rectal diclofenac or no intervention immediately after ERCP. The patients were reviewed 30 days after discharge to evaluate any adverse event.
Results
Among 144 recruited patients, 69 (47.9 %) received diclofenac and 75 (52.1 %) had no intervention. Eleven patients (7.6 %) developed PEP, in which seven were from the diclofenac group and four were in the control group. Eight cases of PEP (5.5 %) were mild and three cases (2.1 %) were moderate. The differences in pancreatitis incidence and severity between both groups were not statistically significant. There were 11 adverse events reported. Clinically significant bleeding happened in four patients (2.8 %): one from the diclofenac group and three from the control group. Other events included cholangitis: two patients (2.9 %) from the diclofenac group and four (5.3 %) from the control group. One patient from the diclofenac group (1.4 %) had a perforation which was treated conservatively.
Conclusions
In summary, prophylactic rectal diclofenac did not significantly decrease the incidence of PEP among patients at high risk for developing PEP. However, the administration of diclofenac was fairly safe with few clinical adverse events.
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Acknowledgments
We would like to express our gratitude to the Director General of Health and the Ministry of Health Malaysia for approving and supporting this clinical trial. We would also like to thank the statistician and all the staff from Clinical Research Center Kota Kinabalu for their contribution in the study.
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Lua, G.W., Muthukaruppan, R. & Menon, J. Can Rectal Diclofenac Prevent Post Endoscopic Retrograde Cholangiopancreatography Pancreatitis?. Dig Dis Sci 60, 3118–3123 (2015). https://doi.org/10.1007/s10620-015-3609-9
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DOI: https://doi.org/10.1007/s10620-015-3609-9