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Dr Osvaldo Borrelli

Consultant Paediatric Gastroenterology


Dr Osvaldo Borrelli is Head of Clinical Services for Gastroenterology as well as being an Honorary Senior Lecturer at University College London (UCL) Great Ormond Street Institute of Child Health.  

Dr Borrelli also holds a PhD from Sapienza, University of Rome and a medical degree from the University of Naples Federico II. 

Some of his most renowned achievements are being a member of both the European Society of Paediatric Gastroenterology and Nutrition as well as the Italian Society of Paediatric Gastroenterology. 

Languages Spoken:

  • Italian
  • English


• Gastro-oesophageal reflux 
• Constipation 
• Functional gastrointestinal disorders 
• Gastrointestinal motility disorder 

• Gastroenterology 
• Motility disorder  
• Functional bowel disorders 
• Constipation  
• Peptic ulcer disease 

• Medical degree from the University of Naples Federico II 
• Paediatrics residency from Sapienza, University of Rome 
• PhD from Sapienza, University of Rome 

• Member of European Society of Paediatric Gastroenterology and Nutrition 
• Italian society of Paediatric Gastroenterology 

• Gastro-oesophageal reflux 
• Constipation and motility in children 

News & Publications

Tambucci, R., Thapar, N., Saliakellis, E., Pescarin, M., Quitadamo, P., Cristofori, F., Lindley, K.J., Borrelli, O.,2015. Clinical relevance of esophageal baseline impedance measurement: just an innocent bystander. J Pediatr Gastroenterol Nutr. 60(6) pp. 776-82. 
Domínguez-Ortega, G., Borrelli, O., Meyer, R., Dziubak, R., De Koker, C., Godwin, H., Fleming, C., Thapar, N., Elawad, M., Kiparissi, F., Fox, A.T., Shah, N., 2014. Extraintestinal manifestations in children with gastrointestinal food allergy. J Pediatr Gastroenterol Nutr. 59(2) pp. 210-4. 
Borrelli, O., Mancini, V., Thapar, N., Ribolsi, M., Emerenziani, S., de'Angelis, G., Bizzarri, B., Lindley, K.J., Cicala, M., 2014. Dilated intercellular space diameter as marker of reflux-related mucosal injury in children with chronic cough and gastro-oesophageal reflux disease. Aliment Pharmacol Ther. 39(7) pp 733-742. 
Saliakellis, E., Borrelli, O., Thapar, N., 2013. Paediatric GI emergencies. Best Pract Res Clin Gastroenterol. 27(5) pp. 799-817. 
Giorgio, V., Borrelli, O., Smith, V.V., Rampling, D., Köglmeier, J., Shah, N., Thapar, N., Curry, J., Lindley, K.J., 2013. High-resolution colonic manometry accurately predicts colonic neuromuscular pathological phenotype in pediatric slow transit constipation. Neurogastroenterol Motil. 25(1) pp. 70-8. 
Volonaki, E., Sebire, N.J., Borrelli, O., Lindley, K.J., Elawad, M., Thapar, N., Shah, N., 2012. Gastrointestinal endoscopy and mucosal biopsy in the first year of life: indications and outcome. J Pediatr Gastroenterol Nutr. 55(1) pp. 62-5. 
Borrelli, O., Salvatore, S., Mancini, V., Ribolsi, M., Gentile, M., Bizzarri, B., Cicala, M., Lindley, K.J., De'angelis, G.L., 2012. Relationship between baseline impedance levels and esophageal mucosal integrity in children with erosive and non-erosive reflux disease. Neurogastroenterol Motil. 24(9) pp. 828-e394. 
Borrelli, O., Mancini, V., Thapar, N., Giorgio, V., Elawad, M., Hill, S., Shah, N., Lindley, K.J., 2012. Cow's milk challenge increases weakly acidic reflux in children with cow's milk allergy and gastroesophageal reflux disease. J Pediatr. 161(3) pp. 476-481. 

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