Does glyceryl nitrate prevent post-ERCP pancreatitis? A prospective, randomized, double-blind, placebo-controlled multicenter trial

Camilla Nøjgaard, Mads Hornum, Margarita Elkjaer, Claes Hjalmarsson, Laurent Heyries, Truls Hauge, Kåre Bakkevold, Per Kragh Andersen, Peter Matzen, European Post-ERCP Pancreatitis Preventing Study Group, Camilla Nøjgaard, Mads Hornum, Margarita Elkjaer, Claes Hjalmarsson, Laurent Heyries, Truls Hauge, Kåre Bakkevold, Per Kragh Andersen, Peter Matzen, NN NN

    26 Citations (Scopus)

    Abstract

    OBJECTIVE: Acute pancreatitis is the most dreaded complication of ERCP. Two studies have shown a significant effect of glyceryl nitrate (GN) in preventing post-ERCP pancreatitis (PEP). We wanted to evaluate this promising effect in a larger study with a realistically precalculated incidence of PEP. DESIGN/PATIENTS: A randomized, double-blind, placebo-controlled multicenter study including patients from 14 European centers was performed. A total of 820 patients were entered; 806 were randomized. INTERVENTION: The active drug was transdermal GN (Discotrine/Minitran, 3M Pharma) 15 mg/24 hours; placebo (PL) was an identical-looking patch applied before ERCP. A total of 401 patients received GN; 405 received PL. RESULTS: Forty-seven patients had PEP (5.8%), 18 (4.5%) in the GN group and 29 (7.1%) in the PL group. The relative risk reduction of PEP in the GN group of 36% (95% CI, 11%-65%) compared with the PL group was not statistically significant (P = .11). Thirteen had mild pancreatitis (4 in the GN group, 9 in the PL group), 26 had moderate pancreatitis (9 in the GN group, 17 in the PL group), and 8 had severe pancreatitis (5 in the GN group, 3 in the PL group). Headache (P < .001) and hypotension (P = .006) were more common in the GN group. Significant variables predictive of PEP were not having biliary stones extracted; hypotension after ERCP; morphine, propofol, glucagon, and general anesthesia during the procedure; or no sufentanil during the procedure. CONCLUSIONS: The trial showed no statistically significant preventive effect of GN on PEP. Because of a considerable risk of a type II error, an effect of GN may have been overlooked. (ClinicalTrials.gov ID: NCT00121901.).
    Original languageEnglish
    JournalGastrointestinal Endoscopy
    Volume69
    Issue number6
    Pages (from-to)e31-7
    ISSN0016-5107
    DOIs
    Publication statusPublished - 2009

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