TCTR20190805003.

Methods	Randomised double‐blind, placebo‐controlled trial
Participants	600 infants Inclusion criteria: late preterm (34 to 37 weeks' gestation), small (< 10th centile) or large‐for‐gestational age (> 90th centile), infants of diabetic mothers, low birthweight (< 2500 g) or macrosomia (> 4000 g) Exclusion criteria: received oral feed or intravenous treatment for hypoglycaemia, congenital abnormality, admission to NICU, birthweight < 1800 grams Setting: Thailand
Interventions	40% dextrose gel (0.5 ml/L) applied into the buccal mucosa within 48 hours after birth vs Arboxymethyl cellulose placebo gel massaged into the buccal mucosa using the same protocol as the intervention
Outcomes	Primary outcome Admission to special care nursery due to treatment failure (within 30 minutes after intervention) Secondary outcomes Length of hospital stay
Notes	Trial registration: TCTR20190805003. Trial completed but unpublished ‐ authors contacted in May 2023 for additional information

BMI: body mass index
DCT: Direct Coombs Test
NICU: neonatal intensive care unit
Rh: rhesus
vs: versus