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. 2021 Mar 29;21(2):179–188. doi: 10.1007/s40268-021-00342-7
During 2.3 years of lanreotide use, 15% of patients formed new gallstones, compared with 1% in untreated patients.
In most cases, these gallstones were multiple (>20) and small (≤3 mm).
About 50% of patients who developed gallstones during treatment experienced complications after discontinuation, while no complications occurred in untreated patients or patients with gallstones present before the start of treatment.