• John M Levenick, Catherine L Andrews, Edward D Purich, Stuart R Gordon, and Timothy B Gardner.
• Section of Gastroenterology and Hepatology, Dartmouth-Hitchcock Medical Center, Lebanon, NH 03756, USA.
• Pancreas. 2013 May 1; 42 (4): 596-600.

ObjectiveWe aimed to determine if intravenous synthetic human secretin (sHS) improves refractory type B pain in patients with chronic pancreatitis (CP).MethodsIn a phase II dose escalation trial, patients with CP received sHS of varying doses (0.05-0.8 µg/kg) for 3 days. The primary outcomes were changes in the visual analogue pain score (VAS), short form (SF)-36, and opiate use from baseline at 30 days after infusion.ResultsTwelve patients (mean age, 42 years, 6 men) were included. Mean pain scores (VAS) were 5.79, 4.80, 4.72, and 4.90, at baseline, day 4, day 10, and day 30, respectively (P = 0.25, 0.19, and 0.27 when compared with baseline, respectively). Daily opiate use (oral morphine equivalents) decreased throughout the study from a baseline value of 136 to 111 mg on day 4 (P = 0.52) and to 104 mg on day 30 (P = 0.34). In subgroup analysis, women had the most improvement (VAS baseline, 5.42 vs. VAS day 30, 3.67; P = 0.07; baseline morphine equivalents, 107 mg vs. 84 mg; P = 0.21).ConclusionsIn patients, especially women, with refractory type B pain from CP, intravenous sHS administration demonstrated a trend toward improvement in self-reported pain and opiate use at 30 days after infusion, although statistical significance was not achieved (clinicaltrials.gov registration number NCT01265875).

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