Personal profile
Research interests
A/Prof Phillips’ internationally recognised clinical research has focused on unveiling mechanisms that link Obstructive Sleep Apnoea (OSA) to cardiometabolic disease and testing responses to treatment. This work includes randomised controlled trials as well as experimental studies. Their impact and relevance extend beyond the sleep field to cardiology, obesity, and endocrinology. His RCT’s have examined cardiometabolic outcomes including blood pressure control, post prandial lipidemia, insulin sensitivity and weight loss. He is ranked in the top 0.081% of authors globally, for expertise in OSA, based on the quality of his papers since 2010 (Expertscape.com). In other work, he was the first in the world to evaluate the impact of OSA on arterial stiffness and with other collabaorators, the first to use a CPAP withdrawal paradigm to better understand the health consequences of OSA and the first to explore pharmacological weight loss in OSA.
Education/Academic qualification
Sleep Medicine, PhD, Cardiovascular and Metabolic Consequences of Obstructive Sleep Apnoea, University of Sydney
Award Date: 1 Aug 2008
External positions
Research Affiliate, University of Sydney
1 Mar 2022 → …
Research Leader, Woolcock Institute of Medical Research
1 Jan 2014 → …
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Collaborations and top research areas from the last five years
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Hearing impairment in Adults: Vitals, hEmodynamics, Neuroimaging and Sleep sensing (HAVENS)
Gopinath, B. (Primary Chief Investigator), Cabezas Grebol, M. (Chief Investigator), Tang, Z. (Chief Investigator), Zou, A. (Chief Investigator), Tang, D. (Chief Investigator), Hernandez-Perez, H. (Chief Investigator), Phillips, C. (Chief Investigator) & D'Rozario, A. (Chief Investigator)
16/11/25 → 15/11/26
Project: Research
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MRFF 2023: Randomised controlled trial of screening patients with Schizophrenia for obstructive sleep apnea using in-laboratory polysomnography or 3-nights of home oximetry.
Grunstein, R. (Primary Chief Investigator), Ellender, C. (Chief Investigator), Marshall, N. (Chief Investigator), Siskind, D. (Chief Investigator), Sharma, R. (Chief Investigator), Yee, B. (Chief Investigator), Lappin, J. (Chief Investigator), Fooken, J. (Chief Investigator), Kairaitis, K. (Chief Investigator), Harris, A. (Chief Investigator), Phillips, C. (Chief Investigator), Lawn, S. (Chief Investigator), Lambert, T. (Chief Investigator), Kalucy, M. (Associate Investigator), Parkinson, B. (Associate Investigator) & Lane, A. (Associate Investigator)
1/01/25 → 31/12/28
Project: Research
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ID24 (Flinders led): Impact and mechanisms of night-to-night variability in sleep apnoea severity on health and treatment outcomes
Vakulin, A. (Chief Investigator), Mukherjee, S. (Chief Investigator), Phillips, C. (Primary Chief Investigator), Yee, B. (Chief Investigator), Osman, A. M. (Chief Investigator), Chai-Coetzer, C. L. (Chief Investigator), Zheng, Y. (Chief Investigator), Naik, G. R. (Chief Investigator), Manners, J. (Chief Investigator), Hamilton, G. S. (Chief Investigator), White, D. (Chief Investigator), Lechat, B. (Associate Investigator), Grunstein, R. (Associate Investigator), D'Rozario, A. (Associate Investigator), Hoyos, C. (Associate Investigator), Eckert, D. (Associate Investigator), Adams, R. (Associate Investigator), Catcheside, P. (Associate Investigator), Melaku, Y. A. (Associate Investigator) & Bidargaddi, N. (Associate Investigator)
1/01/25 → 31/12/29
Project: Research
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Usyd led: Synergise, Integrate and Enhance Sleep Research to Transform Brain Ageing (SIESTA)
Naismith, S. (Chief Investigator), D'Rozario, A. (Primary Chief Investigator), Grunstein, R. (Chief Investigator), Martins, R. (Chief Investigator), Gordon, C. (Chief Investigator), Hoyos, C. (Chief Investigator), Rainey-Smith, S. (Chief Investigator), Anderson, C. (Chief Investigator), Shine, J. M. (Chief Investigator), Bourgeat, P. (Chief Investigator), Coulson, E. J. (Associate Investigator), Trickett, D. (Associate Investigator), Wassing, R. (Associate Investigator), Fripp, J. (Associate Investigator), Postnova, S. (Associate Investigator), Ward, S. (Associate Investigator), Matar, E. (Associate Investigator), Phillips, C. (Associate Investigator), Jacobson, L. (Associate Investigator), Hedner, J. (Associate Investigator) & Eslick, S. (Other)
11/06/24 → 10/06/29
Project: Research
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MRFF (Flinders Led): Novel home monitoring and integrated support program of obstructive sleep apnoea management
Adams, R. J. (Chief Investigator), Eckert, D. (Chief Investigator), Grunstein, R. (Primary Chief Investigator), Yee, B. (Chief Investigator), Reynolds, A. (Chief Investigator), Chai-Coetzer, C. L. (Chief Investigator), Lovato, N. (Chief Investigator), Mukherjee, S. (Chief Investigator), Kaambwa, B. (Chief Investigator), Harvey, G. (Chief Investigator), Lechat, B. (Chief Investigator), Vakulin, A. (Chief Investigator), Toson, B. (Chief Investigator), White, A. (Chief Investigator), Bidargaddi, N. (Chief Investigator), D'Rozario, A. (Associate Investigator), Hoyos, C. (Associate Investigator), Frost, M. (Associate Investigator), Curyer, S. (Associate Investigator), Phillips, C. (Associate Investigator) & Catcheside, P. (Associate Investigator)
1/06/24 → 31/05/28
Project: Research
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Effect of CPAP therapy on blood pressure in patients with obstructive sleep apnoea: a worldwide individual patient data meta-analysis
Pengo, M. F., Schwarz, E. I., Barbé, F., Cistulli, P. A., Drager, L. F., Fava, C., Fuchs, F. D., Ip, M. S. M., Loffler, K. A., Lui, M. M. S., Martínez-García, M. Á., McEvoy, D., Peker, Y., Phillips, C. L., Quinnell, T., Soranna, D., Steier, J., Stradling, J. R., Zambon, A. & Parati, G. & 1 others, , 2 Jan 2025, In: European Respiratory Journal. 65, 1, p. 1-12 12 p., 2400837.Research output: Contribution to journal › Article › peer-review
25 Link opens in a new tab Citations (Scopus) -
Incretins for management of obesity and obstructive sleep apnea
Hu, X., Yee, B. J., Phillips, C., Chapman, J. & Grunstein, R., 3 Aug 2025, In: Expert Review of Respiratory Medicine. 19, 8, p. 775-787 13 p.Research output: Contribution to journal › Article › peer-review
2 Link opens in a new tab Citations (Scopus) -
Is there good evidence of mortality benefits from positive airway pressure?
Phillips, C. L., Marshall, N. S., Patel, S. R., Loffler, K., Sanchez-de-la-Torre, M., Peker, Y., Yee, B. J., Barbe, F., Gottlieb, D. J., McEvoy, D., Anderson, C. S. & Grunstein, R. R., Sept 2025, In: The Lancet Respiratory Medicine. 13, 9, p. e47-e48 2 p.Research output: Contribution to journal › Letter › peer-review
2 Link opens in a new tab Citations (Scopus) -
Moderately strong intraclass correlations between actigraphic and polysomnographic total sleep time and sleep efficiency in older adults with sleep disturbance
Rahimi, M. M., Phillips, C. L., Marshall, N. S., Wassing, R., Pun, T., Grunstein, R. R. & Gordon, C. J., 15 Apr 2025, In: Sleep and Breathing. 29, 2, p. 1-6 6 p., 161.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Link opens in a new tab Citation (Scopus)30 Downloads (Pure) -
Pharmacotherapy for obstructive sleep apnea: a critical review of randomized placebo-controlled trials
Luu, S., Chan, D. E. C. Y., Marshall, N. S., Phillips, C. L., Grunstein, R. R. & Yee, B. J., Dec 2025, In: Sleep Medicine Reviews. 84, p. 1-19 19 p., 102169.Research output: Contribution to journal › Review article › peer-review
Open AccessFile3 Link opens in a new tab Citations (Scopus)85 Downloads (Pure)
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Sleep Advances (Journal)
Phillips, C. (Member of editorial board)
1 Jan 2021Activity: Peer-review and editorial of research outputs › Editorial work
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Sleep Science and Practice (Journal)
Phillips, C. (Member of editorial board)
1 Jan 2019Activity: Peer-review and editorial of research outputs › Editorial work
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Australasian Sleep Association (External organisation)
Phillips, C. (Member)
1 Jan 1989Activity: Membership › Membership of an association