Table 2

Nifedipine in persistent hyperinsulinaemic hypoglycaemia

CitationStudy groupStudy type (level of evidence from the Oxford CEBM)OutcomeKey resultsComments
Bas et al (1999)3 infants. Intervention: nifedipine 0.7, 0.5, and 0.8 mg/kg/dayCase series (level 4)Glycaemic controlNormoglycemia on therapy, hypoglycaemia after tapering of nifedipineChallenge–dechallenge–rechallenge studies. Follow up 12 months, side effects not reported (see ref 7)
Lindley et al (1996)1 preterm baby. Intervention: nifedipine 0.7 mg/kg/dayCase report (level 4)Glycaemic controlBlood sugar increased (from 3.5 to 4.8 mmol/l), fasting tolerance from 3 to 10.5 hNifedipine introduced after diazoxide, glucagon, steroids, ACTH, and pancreatectomy were unsuccessful
Suprasongsin et al (1999)2 infants. Intervention: nifedipine 0.5 and 0.7 mg/kg/day plus raw corn starch 8 g/kg/dayCase series (level 4)Glycaemic controlPersistent rise in blood sugar from baseline 1.5 mmol/l and 1.9 mmol/lFollow up of 8 years and 14 months, side effects not reported
Eichmann et al (1999)2 infants. Intervention: diazoxide and nifedipine 0.7 mg/kg/day and nifedipine 2 mg/kg/dayCase series (level 4)Glycaemic controlOne patient stable on nifedipine monotherapy, the other stable while diazoxide could be reducedVery low baseline blood sugar levels: 0.78 mmol/l and 0.96 mmol/l, no side effects to nifedipine reported
Shanbag et al (2002)1 infant. Intervention: nifedipine 0.5 mg/kg/dayCase report (level 4)Glycaemic controlBlood sugar stable on nifedipine monotherapyFollow up 9 months, no side effects reported
Darendeliler et al (2002)4 children. Intervention: nifedipine at a median of 0.65 mg/kg/dayCase series (level 4)Glycaemic controlAll stable on nifedipine monotherapyFollow up 4 mth to 7.3 years). 3 children from previous report3 included.