Included pilot trials 1. Adelson PD, Ragheb J, Muizelaar JP, Kanev P, Brockmeyer D, Beers SR, et al. Phase II clinical trial of moderate hypothermia after severe traumatic brain injury in children. Neurosurgery. 2005 Apr;56(4):740–54. (This publication reported on 2 pilot RCTs: a single centred and a multicentered trial with different inclusion and exclusion criteria. We considered these as separate RCTs when reporting trial-level characteristics such as the sample size and as a single publication when reporting publication-level characteristics such as the number of times it was cited.) 2. Baldasso E, Garcia PCR, Piva JP, Branco RG, Tasker RC. Pilot safety study of low-dose vasopressin in non-septic critically ill children. Intensive Care Med. 2009 Jan 9;35(2):355–9. 3. Barbosa E, Moreira EAM, Goes JE, Faintuch J. Pilot study with a glutaminesupplemented enteral formula in critically ill infants. Rev Hosp Clin. 1999;54(1):21–4. 4. Basnet S, Mander G, Andoh J, Klaska H, Verhulst S, Koirala J. Safety, efficacy, and tolerability of early initiation of noninvasive positive pressure ventilation in pediatric patients admitted with status asthmaticus: a pilot study. Pediatric Critical Care Medicine. 2012 Jul;13(4):393–8. 5. Behera SK, Zuccaro JC, Wetzel GT, Alejos JC. Nesiritide improves hemodynamics in children with dilated cardiomyopathy: a pilot study. Pediatr Cardiol. 2008 Aug 15;30(1):26–34. 6. Cholette JM, Powers KS, Alfieris GM, Angona R, Henrichs KF, Masel D, et al. Transfusion of cell saver salvaged blood in neonates and infants undergoing open heart surgery significantly reduces RBC and coagulant product transfusions and donor exposures: results of a prospective, randomized, clinical trial. Pediatric Critical Care Medicine. 2013 Feb;14(2):137–47. 7. Cifra HL, Velasco J. A comparative study of the efficacy of 6% Haes-Steril and Ringer's lactate in the management of dengue shock syndrome. Critical Care And Shock. 2003;6:95–100. 8. Duffett M, Choong K, Foster J, Cheng J, Meade MO, Cook DJ. Clonidine in the sedation of mechanically ventilated children: a pilot randomized trial. Journal of Critical Care. 2014. 9. Jacobs BR, Nadkarni V, Goldstein B, Checchia P, Ayad O, Bean J, et al. Nutritional immunomodulation in critically ill children with acute lung injury: feasibility and impact on circulating biomarkers. Pediatric Critical Care Medicine. 2013 Jan;14(1):e45–56. 10. Jouvet PA, Payen V, Gauvin F, Emeriaud G, Lacroix J. Weaning children from mechanical ventilation with a computer-driven protocol: a pilot trial. Intensive Care Med. 2013 May;39(5):919–25. 11. Kumar R, Singhi S, Singhi P, Jayashree M, Bansal A, Bhatti A. Randomized Controlled Trial Comparing Cerebral Perfusion Pressure-Targeted Therapy Versus Intracranial Pressure-Targeted Therapy for Raised Intracranial Pressure due to Acute CNS Infections in Children. Critical Care Medicine. 2014 Apr 1. 12. Lechner E, Hofer A, Leitner-Peneder G, Freynschlag R, Mair R, Weinzettel R, et al. Levosimendan versus milrinone in neonates and infants after corrective Included pilot trials open-heart surgery: a pilot study. Pediatric Critical Care Medicine. 2012 Sep;13(5):542–8. 13. Loukanov T, Bucsenez D, Springer W, Sebening C, Rauch H, Roesch E, et al. Comparison of inhaled nitric oxide with aerosolized iloprost for treatment of pulmonary hypertension in children after cardiopulmonary bypass surgery. Clin Res Cardiol. 2011 Feb 13;100(7):595–602. 14. Luchetti M, Casiraghi G, Valsecchi R, Galassini E, Marraro G. Porcinederived surfactant treatment of severe bronchiolitis. Acta Anaesthesiol Scand. 1998 Aug;42(7):805–10. 15. Malley R, DeVincenzo J, Ramilo O, Dennehy PH, Meissner HC, Gruber WC, et al. Reduction of respiratory syncytial virus (RSV) in tracheal aspirates in intubated infants by use of humanized monoclonal antibody to RSV F protein. J Infect Dis. 1998 Dec;178(6):1555–61. 16. Marseglia L, Aversa S, Barberi I, Salpietro CD, Cusumano E, Speciale A, et al. High endogenous melatonin levels in critically ill children: a pilot study. The Journal of Pediatrics. 2013 Feb;162(2):357–60. 17. Mecott GA, Herndon DN, Kulp GA, Brooks NC, Al-Mousawi AM, Kraft R, et al. The use of exenatide in severely burned pediatric patients. Critical Care. 2010;14(4):R153. 18. Melnyk BM, Alpert-Gillis LJ, Hensel PB, Cable-Beiling RC, Rubenstein JS. Helping mothers cope with a critically ill child: a pilot test of the COPE intervention. Res Nurs Health. 1997 Feb;20(1):3–14. 19. Mondal RK, Singhi SC, Chakrabarti A, M J. Randomized comparison between fluconazole and itraconazole for the treatment of candidemia in a pediatric intensive care unit: a preliminary study. Pediatric Critical Care Medicine. 2004 Nov;5(6):561–5. 20. Natale JE, Guerguerian A-M, Joseph JG, McCarter R, Shao C, Slomine B, et al. Pilot study to determine the hemodynamic safety and feasibility of magnesium sulfate infusion in children with severe traumatic brain injury. Pediatric Critical Care Medicine. 2007 Jan;8(1):1–9. 21. Pemberton VL, Browning B, Webster A, Dean JM, Moler FW. Therapeutic hypothermia after pediatric cardiac arrest trials: the vanguard phase experience and implications for other trials. Pediatric Critical Care Medicine. 2013 Jan;14(1):19–26. 22. Prabhakaran P, Reddy AT, Oakes WJ, King WD, Winkler MK, Givens TG. A pilot trial comparing cerebral perfusion pressure-targeted therapy to intracranial pressure-targeted therapy in children with severe traumatic brain injury. J Neurosurg. 2004 May;100(5 Suppl Pediatrics):454–9. 23. Ricci Z, Garisto C, Favia I, Vitale V, Di Chiara L, Cogo PE. Levosimendan infusion in newborns after corrective surgery for congenital heart disease: randomized controlled trial. Intensive Care Med. 2012 Jul;38(7):1198–204. 24. Sakellaris G, Kotsiou M, Tamiolaki M, Kalostos G, Tsapaki E, Spanaki M, et al. Prevention of complications related to traumatic brain injury in children and adolescents with creatine administration: an open label randomized pilot study. The Journal of Trauma: Injury, Infection, and Critical Care. 2006 Aug;61(2):322–9. Included pilot trials 25. Shahid SK. Efficacy and safety of cefepime in late-onset ventilator-associated pneumonia in infants: a pilot randomized and controlled study. Ann Trop Med Parasitol. 2008 Jan 1;102(1):63–71. 26. Srinivasan R, Meyer R, Padmanabhan R, Britto J. Clinical safety of Lactobacillus casei shirota as a probiotic in critically ill children. Journal of Pediatric Gastroenterology and Nutrition. 2006 Feb;42(2):171–3. 27. Thomas NJ, Guardia CG, Moya FR, Cheifetz IM, Markovitz B, Cruces P, et al. A pilot, randomized, controlled clinical trial of lucinactant, a peptide-containing synthetic surfactant, in infants with acute hypoxemic respiratory failure. Pediatric Critical Care Medicine. 2012 Nov;13(6):646–53. 28. Tibby SM, Hatherill M, Wright SM, Wilson P, Postle AD, Murdoch IA. Exogenous surfactant supplementation in infants with respiratory syncytial virus bronchiolitis. American Journal of Respiratory and Critical Care Medicine. 2000 Oct;162(4 Pt 1):1251–6. 29. Valoor HT, Singhi S, Jayashree M. Low-dose hydrocortisone in pediatric septic shock: An exploratory study in a third world setting. Pediatric Critical Care Medicine. 2009 Jan;10(1):121–5. 30. Verlaat CWM, Heesen GP, Vet NJ, de Hoog M, van der Hoeven JG, Kox M, et al. Randomized controlled trial of daily interruption of sedatives in critically ill children. Lönnqvist P-A, editor. Pediatric Anesthesia. 2013 Aug 24;24(2):151–6. 31. Welzing L, Oberthuer A, Junghaenel S, Harnischmacher U, Stützer H, Roth B. Remifentanil/midazolam versus fentanyl/midazolam for analgesia and sedation of mechanically ventilated neonates and young infants: a randomized controlled trial. Intensive Care Med. Springer-Verlag; 2012 Jun;38(6):1017–24.