Dastamani, A;
Güemes, M;
Pitfield, C;
Morgan, K;
Rajab, M;
Rottenburger, C;
Bomanji, J;
... Shah, P; + view all
(2019)
The Use of a Long-Acting Somatostatin Analogue (Lanreotide) in Three Children with Focal Forms of Congenital Hyperinsulinaemic Hypoglycaemia.
Hormone Research in Paediatrics
, 91
(1)
pp. 56-61.
10.1159/000491101.
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Abstract
BACKGROUND: A long-acting somatostatin analogue (lanreotide) is used in the management of a diazoxide-unresponsive diffuse form of congenital hyperinsulinism (CHI). However, no reports of its use in patients with the focal form of CHI exist. Case 1: A 1-month-old boy diagnosed with diazoxide-unresponsive CHI due to a paternal heterozygous ABCC8 gene mutation showed partial response to octreotide. 18F-DOPA-PET/CT scan revealed a focal lesion in the pancreatic head. Surgical removal of the lesion was unsuccessful. He was switched to monthly lanreotide treatment at the age of 11 months, which stabilised his blood glucose over a 12-month period. Case 2: A 1-month-old boy with diazoxide-unresponsive CHI due to a paternal heterozygous KCNJ11 gene mutation was partially responsive to octreotide. 18F-DOPA-PET/CT scan confirmed a focal pancreatic head lesion. Over 6 months, he underwent 3 lesionectomies and afterwards responded to octreotide. At the age of 9 months, treatment was switched to monthly lanreotide. Currently, he is aged 3, with stable glycaemia, and improved fasting tolerance. Case 3: A 3-week-old girl with a paternal heterozygous ABCC8 gene mutation was unresponsive to diazoxide. 18F-DOPA-PET/CT scan confirmed a focal pancreatic head lesion. She responded to octreotide, and her parents preferred to avoid pancreatic surgery. At the age of 20 months, treatment was switched to monthly lanreotide, resulting in euglycaemia over the last 7 months. CONCLUSION: CHI patients with focal pancreatic head lesions are challenging, especially if not surgically amenable. Conservative treatment is preferable, and lanreotide might be an option. The therapeutic impact of lanreotide treatment in patients with the focal forms of CHI should be confirmed in prospective studies with close monitoring of the side effects.
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