Matthew Summers

Matthew Summers

School of Medicine

College of Health

Matthew J Summers, BSc. MDiet - Titleholder and PhD candidate Matt graduated with a Bachelor of Science (major: Nutrition minors: Human Movement and Applied Microbiology) from the University of South Australia in 2007 and then graduated with a Master of Dietetics from the University of South Australia in 2014. Matt commenced his PhD in July 2022 in the Facility of Health and Medical Sciences at The University of Adelaide, evaluating enteral protein delivery in the critically ill.Education:University of South Australia - Bachelor of Science (BSc), Nutrition Sciences 2007.University of South Australia - Master of Dietetics 2014

Year Citation
2025 Zaloumis, S., Summers, M. J., Presneill, J. J., Bellomo, R., Chapple, L. A. S., Chapman, M. J., . . . Karahalios, A. (2025). TARGET Protein: the effect of augmented administration of enteral protein to critically ill adults on clinical outcomes-statistical analysis plan for a cluster randomized, cross-sectional, double cross-over, clinical trial. Trials, 26(1), 42-1-42-10.
DOI Scopus4 WoS5 Europe PMC2
2025 Teleki, B. J., Viner Smith, E., Yandell, R., Summers, M. J., & Chapple, L. A. S. (2025). Nutrition-impacting symptoms in survivors of critical illness: A descriptive cohort study. Journal of Parenteral and Enteral Nutrition, 49(6), 742-751.
DOI Scopus1 WoS2 Europe PMC1
2025 Summers, M. J., Bels, J. L. M., Karahalios, A., Presneill, J. J., Plummer, M. P., Lee, Z. Y., . . . Chapple, L. A. S. (2025). Optimal delivery of enteral protein in the critically ill: A protocol for a systematic review and meta-analysis of randomised controlled trials. Clinical Nutrition ESPEN, 68, 375-381.
DOI
2025 Summers, M. J., Chapple, L. -A. S., Karahalios, A., Bellomo, R., Chapman, M. J., Ferrie, S., . . . TARGET Protein Investigators and for the Australian and New Zealand Intensive Care Society Clinical Trials Group. (2025). Augmented Enteral Protein During Critical Illness: The TARGET Protein Randomized Clinical Trial. Journal of the American Medical Association (JAMA), 334(4), 319-328.
DOI Scopus10 WoS8 Europe PMC7
2025 Summers, M. J., Chapple, L. A. S., & Deane, A. M. (2025). Augmented Enteral Protein in Critical Illness - Reply. JAMA, 334(18), E1.
DOI
2024 Viner Smith, E., Kouw, I. W. K., Summers, M. J., Louis, R., Trahair, L., O'Connor, S. N., . . . Chapple, L. -A. S. (2024). Comparison of energy intake in critical illness survivors, general medical patients and healthy volunteers: A descriptive cohort study. JPEN J Parenter Enteral Nutr, 48(3), 275-283.
DOI Scopus5 WoS5 Europe PMC3
2024 Viner Smith, E., Kouw, I. W. K., Summers, M. J., Louis, R., Chapman, M. J., & Chapple, L. A. S. (2024). Evaluating physiological barriers to oral intake in hospitalized patients: A secondary analysis. Journal of Parenteral and Enteral Nutrition, 48(7), 833-840.
DOI Scopus5 WoS5 Europe PMC3
2024 Viner Smith, E., Summers, M. J., Asser, I., Louis, R., Lange, K., Ridley, E. J., & Chapple, L. -A. S. (2024). Nutrition intake, muscle thickness, and recovery outcomes for critically ill patients requiring non-invasive forms of respiratory support: A prospective observational study. Australian Critical Care, 38(1), 7 pages.
DOI Scopus3 WoS3 Europe PMC1
2024 Bear, D. E., Summers, M. J., & Chapple, L. A. S. (2024). Dietary protein in the ICU in relation to health outcomes. Current Opinion in Clinical Nutrition and Metabolic Care, 27(6), 479-485.
DOI Scopus5 Europe PMC3
2024 Heuts, S., Lee, Z. Y., Lew, C. C. H., Bels, J. L. M., Gabrio, A., Kawczynski, M. J., . . . van de Poll, M. C. G. (2024). Higher Versus Lower Protein Delivery in Critically Ill Patients: A Systematic Review and Bayesian Meta-Analysis. Critical Care Medicine, 53(3), e645-e655.
DOI Scopus11 WoS10 Europe PMC4
2023 Ridley, E. J., Chapple, L. -A. S., Ainscough, K., Burrell, A., Campbell, L., Dux, C., . . . Udy, A. (2023). Nutrition care processes across hospitalisation in critically ill patients with COVID-19 in Australia: A multicentre prospective observational study.. Australian Critical Care, 36(6), 955-960.
DOI Scopus1 WoS1 Europe PMC1
2023 Chapple, L. -A. S., Ridley, E. J., Ainscough, K., Ballantyne, L., Burrell, A., Campbell, L., . . . Udy, A. (2023). Nutrition delivery across hospitalisation in critically ill patients with COVID-19: An observational study of the Australian experience. Australian Critical Care, 37(3), 422-428.
DOI Scopus6 WoS5 Europe PMC4
2023 Summers, M. J., Chapple, L. A. S., Bellomo, R., Chapman, M. J., Ferrie, S., Finnis, M. E., . . . Deane, A. M. (2023). Study protocol for TARGET protein: The effect of augmented administration of enteral protein to critically ill adults on clinical outcomes: A cluster randomised, cross-sectional, double cross-over, clinical trial. Critical Care and Resuscitation, 25(3), 147-154.
DOI Scopus21 WoS21 Europe PMC14
2022 Gluck, S., Andrawos, A., Summers, M. J., Lange, J., Chapman, M. J., Finnis, M. E., & Deane, A. M. (2022). The use of smartphone-derived location data to evaluate participation following critical illness: A pilot observational cohort study. Australian Critical Care, 35(3), 225-232.
DOI Scopus1 WoS1 Europe PMC1
2022 Whitehead, J., Summers, M. J., Louis, R., Weinel, L. M., Lange, K., Dunn, B., . . . Chapple, L. -A. S. (2022). Assessment of physiological barriers to nutrition following critical illness. Clinical Nutrition, 41(1), 11-20.
DOI Scopus9 WoS9 Europe PMC9
2022 Chapple, L. -A. S., Kouw, I. W. K., Summers, M. J., Weinel, L. M., Gluck, S., Raith, E., . . . Chapman, M. J. (2022). Muscle Protein Synthesis Following Protein Administration in Critical Illness. American Journal of Respiratory and Critical Care Medicine, 206(6), 740-749.
DOI Scopus92 WoS89 Europe PMC78
2022 Chapple, L. -A. S., Summers, M. J., Weinel, L. M., Lange, K., Yang, W. H., Deane, A. M., . . . TARGET Investigators for the Australia and New Zealand Intensive Care Society Clinical Trials Group. (2022). Muscle size, strength, and physical function in response to augmented calorie delivery: A TARGET sub-study.. Journal of critical care, 72, 154140.
DOI Scopus12 WoS12 Europe PMC12
2021 Arunachala Murthy, T., Bellomo, R., Chapman, M., Deane, A., Ferrie, S., Finnis, M., . . . Chapple, L. -A. (2021). Protein delivery in mechanically ventilated adults in Australia and New Zealand: current practice. Critical Care and Resuscitation, 23(4), 386-393.
DOI Scopus13 WoS15 Europe PMC10
2021 Lyons, G. C. E., Summers, M. J., Schultz, T. J., Lambell, K., Ridley, E. J., Fetterplace, K., . . . Chapple, L. S. (2021). Protein prescription and delivery practices in critically ill adults: A survey of Australian and New Zealand intensive care dietitians. Australian Critical Care, 35(5), 543-549.
DOI Scopus2 WoS2 Europe PMC2
2021 Lyons, G. C. E., Summers, M. J., Marshall, A. P., & Chapple, L. (2021). Systematic review of clinicians' knowledge, attitudes, and beliefs about nutrition in intensive care. Nutr Clin Pract, 37(4), 18 pages.
DOI Scopus9 WoS9 Europe PMC8
2021 Chapple, L. -A. S., Summers, M. J., Bellomo, R., Chapman, M. J., Davies, A. R., Ferrie, S., . . . TARGET Investigator Collaborative and the ANZICS Clinical Trials Group. (2021). Use of a high-protein enteral nutrition formula to increase protein delivery to critically ill patients: a randomized, blinded, parallel-group, feasibility trial. Journal of Parenteral and Enteral Nutrition, 45(4), 699-709.
DOI Scopus41 WoS42 Europe PMC33
2021 Chapple, L. -A. S., Summers, M. J., Weinel, L. M., Abdelhamid, Y. A., Kar, P., Hatzinikolas, S., . . . Chapman, M. J. (2021). Effects of Standard Versus Energy-Dense Formulae on Gastric Retention, Caloric Delivery, and Glycaemia in Critically Ill Patients.. Journal of Parenteral and Enteral Nutrition, 45(4), 710-719.
DOI Scopus12 WoS13 Europe PMC12
2021 Ali Abdelhamid, Y., Bernjak, A., Phillips, L. K., Summers, M. J., Weinel, L. M., Lange, K., . . . Deane, A. M. (2021). Nocturnal Hypoglycemia in Patients With Diabetes Discharged From ICUs: A Prospective Two-Center Cohort Study.. Critical Care Medicine, 49(4), 636-649.
DOI Scopus11 WoS11 Europe PMC5
2021 Weinel, L., Summers, M., Poole, A., & Chapple, L. (2021). Are point-of-care urine albumin–creatinine ratio measurements accurate in the critically ill?. Australian Critical Care, 34(6), 569-572.
DOI
2020 Ali Abdelhamid, Y., Weinel, L. M., Hatzinikolas, S., Summers, M., Nguyen, T. A. N., Kar, P., . . . Jones, K. L. (2020). Autonomic function, postprandial hypotension and falls in older adults at one year after critical illness.. Critical Care and Resuscitation, 22(1), 53-62.
DOI Scopus8 WoS7 Europe PMC8
2020 Chapple, L., Summers, M. J., Weinel, L. M., & Deane, A. M. (2020). Outcome Measures in Critical Care Nutrition Interventional Trials: A Systematic Review.. Nutrition in clinical practice : official publication of the American Society for Parenteral and Enteral Nutrition, 35(3), 506-513.
DOI Scopus13 WoS12 Europe PMC11
2019 Chapple, L. S., Weinel, L. M., Ali Abdelhamid, Y., Summers, M. J., Nguyen, T. A. N., Kar, P., . . . Deane, A. M. (2019). Observed appetite and nutrient intake three months after ICU discharge. Clinical Nutrition, 38(3), 1215-1220.
DOI Scopus36 WoS34 Europe PMC31
2019 Kar, P., Plummer, M., Ali Abdelhamid, Y., Giersch, E. J., Summers, M. J., Weinel, L. M., . . . Deane, A. M. (2019). Incident diabetes in survivors of critical illness and mechanisms underlying persistent glucose intolerance: a prospective cohort study. Critical Care Medicine, 47(2), 103-111.
DOI Scopus13 WoS12 Europe PMC10
2019 Weinel, L. M., Summers, M., Finnis, M., Poole, A., Kar, P., Chapman, M., . . . Ali Abdelhamid, Y. (2019). Are point-of-care measurements of glycated haemoglobin accurate in the critically ill?. Australian Critical Care, 32(6), 465-470.
DOI Scopus6 WoS6 Europe PMC2
2019 Gluck, S., Summers, M. J., Finnis, M. E., Andrawos, A., Goddard, T. P., Hodgson, C. L., . . . Deane, A. M. (2019). An observational study investigating the use of patient-owned technology to quantify physical activity in survivors of critical illness. Australian Critical Care, 33(2), 137-143.
DOI Scopus7 WoS6 Europe PMC4
2019 Weinel, L. M., Summers, M. J., & Chapple, L. -A. (2019). Ultrasonography to measure quadriceps muscle in critically ill patients: A literature review of reported methodologies.. Anaesthesia and intensive care, 47(5), 423-434.
DOI Scopus45 WoS43 Europe PMC33
2018 Nguyen, T., Ali Abdelhamid, Y., Weinel, L., Hatzinikolas, S., Kar, P., Summers, M., . . . Deane, A. (2018). Postprandial hypotension in older survivors of critical illness. Journal of Critical Care, 45, 20-26.
DOI Scopus6 WoS5 Europe PMC3
2017 Kar, P., Jones, K. L., Plummer, M. P., Ali Abdelhamid, Y., Giersch, E., Summers, M. J., . . . Deane, A. M. (2017). Antecedent hypoglycemia does not attenuate the acceleration of gastric emptying by hypoglycemia. Journal of Clinical Endocrinology and Metabolism, 102(11), 3953-3960.
DOI Scopus9 WoS10 Europe PMC9
2017 Gluck, S., Summers, M., Goddard, T., Andrawos, A., Smith, N., Lange, K., . . . Deane, A. (2017). Wide disagreement between alternative assessments of premorbid physical activity: subjective patient and surrogate reports and objective smartphone data. Critical Care Medicine, 45(10), 1036-1042.
DOI Scopus4 WoS4 Europe PMC3
2017 Ovenden, C., Plummer, M., Selvanderan, S., Donaldson, T., Nguyen, N., Weinel, L., . . . Deane, A. (2017). Occult upper gastrointestinal mucosal abnormalities in critically ill patients. Acta Anaesthesiologica Scandinavica, 61(2), 216-223.
DOI Scopus7 WoS5 Europe PMC5
2016 Selvanderan, S. P., Summers, M. J., Finnis, M. E., Plummer, M. P., Ali Abdelhamid, Y., Anderson, M. B., . . . Deane, A. M. (2016). Pantoprazole or placebo for stress ulcer prophylaxis (POP-UP): randomized double-blind exploratory study. Critical Care Medicine, 44(10), 1842-1850.
DOI Scopus87 WoS79 Europe PMC76
2016 Summers, M., S Chapple, L., McClave, S., & Deane, A. (2016). Event-rate and delta inflation when evaluating mortality as a primary outcome from randomized controlled trials of nutritional interventions during critical illness: a systematic review. American Journal of Clinical Nutrition, 103(4), 1083-1090.
DOI Scopus21 WoS19 Europe PMC17
2015 Summers, M. J., Selvanderan, S. P., Plummer, M. P., Finnis, M. E., Ali Abdelhamid, Y., Anderson, M. B., . . . Deane, A. M. (2015). Comparison of macroscopic abnormalities in patients receiving routine pantoprazole when compared to placebo. Intensive Care Medicine Experimental, 3(Suppl 1), A980.
DOI
2015 Selvanderan, S. P., Summers, M. J., Plummer, M. P., Finnis, M. E., Ali Abdelhamid, Y., Anderson, M. B., . . . Deane, A. M. (2015). Withholding stress ulcer prophylaxis to mechanically ventilated enterally-fed critically ill patients appears safe: A randomised double-blind placebo controlled pilot study. Intensive Care Medicine Experimental, 3(Suppl 1), A41.
DOI Scopus3
2015 Poole, A., Deane, A., Summers, M., Fletcher, J., & Chapman, M. (2015). The relationship between fasting plasma citrulline concentration and small intestinal function in the critically ill. Critical Care, 19(1), 16-1-16-8.
DOI Scopus18 WoS17 Europe PMC14
2014 Summers, M., Di Bartolomeo, A., Zaknic, A., Chapman, M., Nguyen, Q., Zacharakis, B., . . . Deane, A. (2014). Endogenous amylin and glucagon-like peptide-1 concentrations are not associated with gastric emptying in critical illness. Acta Anaesthesiologica Scandinavica, 58(2), 235-242.
DOI Scopus14 WoS13 Europe PMC12
2014 Deane, A., Rayner, C., Keeshan, A., Cvijanovic, N., Marino, Z., Nguyen, Q., . . . Young, R. (2014). The effects of critical illness on intestinal glucose sensing, transporters and absorption. Critical Care Medicine, 42(1), 57-65.
DOI Scopus71 WoS67 Europe PMC59
2013 Lee, M., Fraser, J., Chapman, M., Sundararajan, K., Umapathysivam, M., Summers, M., . . . Deane, A. (2013). The effect of exogenous glucose-dependent insulinotropic polypeptide in combination with glucagon-like peptide-1 on glycemia in the critically ill. Diabetes Care, 36(10), 3333-3336.
DOI Scopus16 WoS17 Europe PMC15
2013 Sim, J., Horowitz, M., Summers, M., Trahair, L., Goud, R., Zaknic, A., . . . Deane, A. (2013). Mesenteric blood flow, glucose absorption and blood pressure responses to small intestinal glucose in critically ill patients older than 65 years. Intensive Care Medicine, 39(2), 258-266.
DOI Scopus30 WoS24 Europe PMC25
2012 Di Bartolomeo, A., Chapman, M., Zaknic, A., Summers, M., Jones, K., Nguyen, Q., . . . Deane, A. (2012). Comparative effects on glucose absorption of intragastric and post-pyloric nutrient delivery in the critically ill. Critical Care (Print Edition), 16(5), 1-7.
DOI Scopus10 WoS9 Europe PMC9
2012 Deane, A., Wong, G., Horowitz, M., Zaknic, A., Summers, M., Di Bartolomeo, A., . . . Fraser, R. (2012). Randomized double-blind crossover study to determine the effects of erythromycin on small intestinal nutrient absorption and transit in the critically ill. American Journal of Clinical Nutrition, 95(6), 1396-1402.
DOI Scopus46 WoS42 Europe PMC38
2011 Deane, A., Summers, M., Zaknic, A., Chapman, M., Di Bartolomeo, A., Bellon, M., . . . Fraser, R. (2011). Glucose absorption and small intestinal transit in critical illness. Critical Care Medicine, 39(6), 1282-1288.
DOI Scopus60 WoS56 Europe PMC49
2011 Deane, A., Summers, M., Zaknic, A., Chapman, M., Fraser, R., Di Bartolomeo, A., . . . Horowitz, M. (2011). Exogenous glucagon-like peptide-1 attenuates the glycaemic response to postpyloric nutrient infusion in critically ill patients with type-2 diabetes. Critical Care, 15(1), 1-11.
DOI Scopus30 WoS29 Europe PMC27
2010 Deane, A., Chapman, M., Fraser, R., Summers, M., Zaknic, A., Storey, J., . . . Horowitz, M. (2010). Effects of exogenous glucagon-like peptide-1 on gastric emptying and glucose absorption in the critically ill: Relationship to glycemia. Critical Care Medicine, 38(5), 1261-1269.
DOI Scopus95 WoS93 Europe PMC82
2010 Deane, A., Zaknic, A., Summers, M., Chapman, M., Lange, K., Ritz, M., . . . Fraser, R. (2010). Intrasubject variability of gastric emptying in the critically ill using a stable isotope breath test. Clinical Nutrition, 29(5), 682-686.
DOI Scopus22 WoS19 Europe PMC17

Year Citation
2010 Deane, A., Chapman, M. J., Fraser, R. J., Summers, M. J., Zaknic, A. V., DiBartolomeo, A., & Horowitz, M. (2010). EXOGENOUS GLUCAGON-LIKE PEPTIDE-1 ATTENUATES THE GLYCAEMIC RESPONSE TO ENTERAL NUTRIENT IN CRITICALLY ILL PATIENTS WITH PRE-EXISTING TYPE-2 DIABETES MELLITUS. In INTENSIVE CARE MEDICINE Vol. 36 (pp. S172). Barcelona, SPAIN: SPRINGER.
2010 Zaknic, A., Summers, M., DiBartolomeo, A., Chapman, M., Fraser, R., Horowitz, M., & Deane, A. (2010). GLUCOSE ABSORPTION FOLLOWING INTRA-GASTRIC AND SMALL INTESTINAL ADMINISTRATION IN CRITICAL ILLNESS. In CRITICAL CARE MEDICINE Vol. 38 (pp. U21). San Diego, CA: LIPPINCOTT WILLIAMS & WILKINS.
2010 Deane, A., Zaknic, A., Summers, M. J., Bellon, M., Russo, A., Maddox, A., . . . Fraser, R. J. (2010). TRANSIT OF NUTRIENT THROUGH THE SMALL INTESTINE IN THE CRITICALLY ILL. In INTENSIVE CARE MEDICINE Vol. 36 (pp. S373). Barcelona, SPAIN: SPRINGER.
2010 Deane, A., Zaknic, A., Summers, M., Chapman, M., Horowitz, M., & Fraser, R. (2010). ABSORPTION AND TRANSIT OF NUTRIENT IN CRITICAL ILLNESS. In CRITICAL CARE MEDICINE Vol. 38 (pp. U26). San Diego, CA: LIPPINCOTT WILLIAMS & WILKINS.
2010 Deane, A., Zaknic, A., Horowitz, M., Summers, M., & Chapman, M. (2010). SECRETION OF GLUCOSE-DEPENDENT INSULINOTROPIC POLYPEPTIDE IS DEPENDENT ON THE RATE OF GASTRIC EMPTYING AND A DETERMINANT OF THE PLASMA INSULIN RESPONSE IN THE CRITICALLY ILL. In CRITICAL CARE MEDICINE Vol. 38 (pp. U248). San Diego, CA: LIPPINCOTT WILLIAMS & WILKINS.
2010 Deane, A., Zaknic, A., Summers, M., Chapman, M., & Horowitz, M. (2010). A REDUCTION IN FASTING PLASMA GHRELIN CONCENTRATION IS ASSOCIATED WITH DELAYED GASTRIC EMPTYING IN THE CRITICALLY ILL. In CRITICAL CARE MEDICINE Vol. 38 (pp. U16). San Diego, CA: LIPPINCOTT WILLIAMS & WILKINS.
2009 Deane, A. M., Nguyen, N. Q., Stevens, J. E., Fraser, R. J. L., Holloway, R. H., Jones, K. L., . . . Horowitz, M. (2009). Effects of endogenous glucagon-like peptide-1 on gastric emptying in healthy subjects - relationship to glycaemia. In DIABETOLOGIA Vol. 52 (pp. S311-S312). Vienna, AUSTRIA: SPRINGER.

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