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Safety and efficacy of pasireotide in dumping syndromeresults from a phase 2, multicentre study

  • Tack, J; 15849;
  • Aberle, J;
  • Arts, J;
  • Laville, M;
  • Oppert, JM;
  • Bender, G;
  • Bhoyrul, S;
  • McLaughlin, T;
  • Yoshikawa, T;
  • Vella, A;
  • Zhou, J;
  • Passos, VQ;
  • O'Connell, P;
  • Van Beek, AP;
Publication Date
Jun 01, 2018
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BACKGROUND: Dumping syndrome is a prevalent complication of oesophageal and gastric surgery characterised by early (postprandial tachycardia) and late (hypoglycaemia) postprandial symptoms. AIM: To evaluate efficacy and safety of the somatostatin analogue, pasireotide in patients with dumping syndrome after bariatric or upper gastrointestinal cancer surgery. METHODS: A single-arm, open-label, multicentre, intrapatient dose-escalation, phase 2 study with 4 phases: screening, 3-month SC (subcutaneous), 3-month IM (intramuscular) and 6-month optional extension IM phase. Primary endpoint was the proportion of patients without hypoglycaemia (plasma glucose <3.3 mmol/L [60 mg/dL] during an oral glucose tolerance test, OGTT) at the end of 3-month SC phase. A ≥50% response rate was considered clinically relevant. RESULTS: Forty-three patients with late dumping were enrolled; 33 completed the 3-month SC phase and 23 completed the 12-month study. The proportion of patients without hypoglycaemia at month 3 (primary endpoint) was 60.5% (26 of 43; 95% confidence interval, 44.4%-75.0%). Improvement in quality of life was observed during SC phase, which was maintained in the IM phase. The proportion of patients with a rise in pulse rate of ≥10 beats/min during OGTT reduced from baseline (60.5%) to month 3 (18.6%) and month 12 (27.3%). Overall (month 0-12), the most frequent (>20% of patients) adverse events were headache (34.9%); diarrhoea, hypoglycaemia (27.9% each); fatigue, nausea (23.3% each); and abdominal pain (20.9%). CONCLUSION: These results suggest that pasireotide is a promising option in patients with dumping syndrome after bariatric or upper gastrointestinal cancer surgery. / status: published

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