Dr Camilla Hoyos

MPH (Hons), PhD
NHMRC-ARC Dementia Research Development Fellow, Healthy Brain Ageing Program, School of Psychology. Charles Perkins Centre, Brain and Mind Centre, Woolcock Institute of Medical Research

M02F - 88 Mallett Street - Building F
The University of Sydney

Telephone +61 2 9114 0409

Biographical details

Dr Hoyos is a postdoctoral fellow in the Sleep and Circadian Research Group at the Woolcock Institute of Medical Research and a Research Fellow in the Central Clinical School at the University of Sydney. She has a Bachelor and Honours degree in Applied Science (Consumer Science), focussed on nutritional science, a Master of Public Health with Honours, and a PhD in Sleep Medicine. She is an experienced clinical trialist and researcher, with over 10 years experience in the management of randomised controlled trials, particularly in respiratory health, sleep medicine and metabolic health. She completed her PhD within the Sleep and Cardio-metabolic Research Group at the Woolcock Institute in 2012.

Research interests

Randomised controlled trials, obstructive sleep apnea, sleep-wake disturbance, sleep disorders, cardio-metabolic function, metabolic syndrome, obesity, healthy ageing, cognitive decline.

Teaching and supervision

Co-supervisor, 1 current PhD student, Sydney Medical School, 2016-

Co-supervisor, 1 completed PhD student, Sydney Medical School, 2012-2015

Primary Supervisor, Summer Research Student, Sydney Medical School, 2014

Co-supervisor, Summer Research Student, Sydney Medical School, 2016

Associations

Member of the American Thoracic Society SRN Program Committe 2015

Member of the Australasian Sleep Association Research Committee 2014-

Member of the Woolcock Institute of Medical Research Next Generation Committee 2012-

Professional member of Australasian Sleep Association, American Academy of Sleep Medicine, Sleep Research Society, Australian and New Zealand Obesity Society, Endocrine Society of Australia, American Thoracic Society

Peer-reviewer for funding agencies (eg NHMRC, Diabetes Australia) and specialist medical journals including Thorax, European Respiratory Journal, SLEEP, Journal of Sleep Research, Sleep Medicine, International Journal of Obesity and Clinical Endocrinology

Awards and honours

Thoracic Society of Australia and New Zealand NSW Branch Meeting Best Oral Presenation 2013 & 2014

American Academy of Sleep Medicine Young Investigator Award Winner 2013

American Academy of Sleep Medicine Young Investigator Honorable Mention Award 2012

Australiasian Sleep Association New Investigator Award Finalist 2011

World Sleep Federation Congress Young Investigator Award Finalist 2011

Keywords

Obesity & overweight; Endocrinology; Cardiovascular diseases; Sleep disorders

Selected grants

2017

  • Treating sleep apnoea after weight loss to maintain cardio-metabolic health in the obese with pre-diabetes - A Randomised Controlled Trial; Phillips C, Twigg S, Grunstein R, Markovic T, Hoyos C, Yee B; Diabetes Australia/Research Grant.
  • Brain oxidative stress and cognitive function in older adults with diabetes and pre-diabetes who are �at risk� for dementia; Hoyos C, Naismith S, Colagiuri S, Duffy S; Diabetes Australia/Research Grant.

2016

  • Sleep-wake disturbances and cardio-metabolic dysfunction in at risk dementia: a novel pathway in neurocognitive decline; Hoyos C; National Health and Medical Research Council (NHMRC)/NHMRC-ARC Dementia Research Development Fellowships.

Selected publications

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Journals

  • Hoyos, C., Marshall, N., Patel, S., Grunstein, R., Phillips, C. (2017). Does CPAP have the "power" to improve glycemic control in type II diabetes patients with OSA? American Journal of Respiratory and Critical Care Medicine, 195(3), 406-407.
  • Phillips, C., Hoyos, C., Yee, B., Grunstein, R. (2016). CrossTalk opposing view: Sleep apnoea causes metabolic syndrome. American Journal of Physiology, 594(17), 4691-4694. [More Information]
  • Fuller, J., Wong, K., Hoyos, C., Krass, I., Saini, B. (2016). Dispensing good sleep health behaviours not pills - a cluster-randomized controlled trial to test the feasibility and efficacy of pharmacist-provided brief behavioural treatment for insomnia. Journal of Sleep Research, 25(1), 104-115. [More Information]
  • Melehan, K., Hoyos, C., Yee, B., Wong, K., Buchanan, P., Grunstein, R., Liu, P. (2016). Increased sexual desire with exogenous testosterone administration in men with obstructive sleep apnea: A randomized placebo-controlled study. Andrology, 4(1), 55-61. [More Information]
  • Phillips, C., Hoyos, C., Yee, B., Grunstein, R. (2016). Rebuttal from Craig L. Phillips, Camilla M. Hoyos, Brendon J. Yee and Ronald R. Grunstein. The Journal of Physiology, 594(17), 4697-4698. [More Information]
  • Hoyos, C., Yee, B., Phillips, C., Machan, E., Grunstein, R., Liu, P. (2015). Body compositional and cardiometabolic effects of testosterone therapy in obese men with severe obstructive sleep apnea: a randomized placebo-controlled trial. European Journal of Endocrinology, 173(5), x3. [More Information]
  • Hoyos, C., Melehan, K., Liu, P., Grunstein, R., Phillips, C. (2015). Does obstructive sleep apnea cause endothelial dysfunction? A critical review of the literature. Sleep Medicine Reviews, 20, 15-26. [More Information]
  • Sivam, S., Witting, P., Hoyos, C., Maw, A., Yee, B., Grunstein, R., Phillips, C. (2015). Effects of 8 weeks of CPAP on lipid-based oxidative markers in obstructive sleep apnea: a randomized trial. Journal of Sleep Research, 24(3), 339-345. [More Information]
  • Iftikhar, I., Hoyos, C., Phillips, C., Magalang, U. (2015). Meta-analyses of the association of sleep apnea with insulin resistance, and the effects of CPAP on HOMA-IR, adiponectin, and visceral adipose fat. The Journal of Clinical Sleep Medicine, 11(4), 475-485. [More Information]
  • Killick, R., Hoyos, C., Melehan, K., Dungan, G., Poh, J., Liu, P. (2015). Metabolic and hormonal effects of 'catch-up' sleep in men with chronic, repetitive, lifestyle-driven sleep restriction. Clinical Endocrinology, 83(4), 498-507. [More Information]
  • Hoyos, C., Melehan, K., Phillips, C., Grunstein, R., Liu, P. (2015). To ED or not to ED - Is erectile dysfunction in obstructive sleep apnea related to endothelial dysfunction? Sleep Medicine Reviews, 20(C), 5-14. [More Information]
  • Hoyos, C., Yee, B., Wong, K., Grunstein, R., Phillips, C. (2015). Treatment of Sleep Apnea With CPAP Lowers Central and Peripheral Blood Pressure Independent of the Time-of-Day: A Randomized Controlled Study. American Journal of Hypertension, 28(10), 1222-1228. [More Information]
  • Hoyos, C., Killick, R., Keenan, D., Baxter, R., Veldhuis, J., Liu, P. (2014). Continuous Positive Airway Pressure Increases Pulsatile Growth Hormone Secretion and Circulating Insulin-like Growth Factor-1 in a Time-Dependent Manner in Men With Obstructive Sleep Apnea: A Randomized Sham-Controlled Study. Sleep, 37(4), 733-741. [More Information]
  • Hoyos, C., Phillips, C., Grunstein, R. (2014). From Couch Potato to Gym Junkie-CPAP May Not Be the Answer. The Journal of Clinical Sleep Medicine, 10(5), 473-474. [More Information]
  • Hoyos, C., Sullivan, D., Liu, P. (2013). Effect of CPAP on the metabolic syndrome: a randomised sham-controlled study. Thorax, 68(6), 588-589. [More Information]
  • Simpson, P., Hoyos, C., Celermajer, D., Liu, P., Ng, M. (2013). Effects of continuous positive airway pressure on endothelial function and circulating progenitor cells in obstructive sleep apnoea: A randomised sham-controlled study. International Journal of Cardiology, 168(3), 2042-2048. [More Information]
  • Killick, R., Wang, D., Hoyos, C., Yee, B., Grunstein, R., Liu, P. (2013). The effects of testosterone on ventilatory responses in men with obstructive sleep apnoea: a randomised, placebo-controlled trial. Journal of Sleep Research, 22(3), 331-336. [More Information]
  • Hoyos, C., Yee, B., Phillips, C., Machan, E., Grunstein, R., Liu, P. (2012). Body compositional and cardiometabolic effects of testosterone therapy in obese men with severe obstructive sleep apnea: a randomised placebo-controlled trial. European Journal of Endocrinology, 167(4), 531-541. [More Information]
  • Hoyos, C., Killick, R., Yee, B., Phillips, C., Grunstein, R., Liu, P. (2012). Cardiometabolic changes after continuous positive airway pressure for obstructive sleep apnoea: a randomised sham-controlled study. Thorax, 67(12), 1081-1089. [More Information]
  • Dungan, G., Marshall, N., Hoyos, C., Yee, B., Grunstein, R. (2011). A Randomized Crossover Trial of the Effect of a Novel Method of Pressure Control (SensAwake) in Automatic Continuous Positive Airway Pressure Therapy to Treat Sleep Disordered Breathing. The Journal of Clinical Sleep Medicine, 7(3), 261-267. [More Information]

2017

  • Hoyos, C., Marshall, N., Patel, S., Grunstein, R., Phillips, C. (2017). Does CPAP have the "power" to improve glycemic control in type II diabetes patients with OSA? American Journal of Respiratory and Critical Care Medicine, 195(3), 406-407.

2016

  • Phillips, C., Hoyos, C., Yee, B., Grunstein, R. (2016). CrossTalk opposing view: Sleep apnoea causes metabolic syndrome. American Journal of Physiology, 594(17), 4691-4694. [More Information]
  • Fuller, J., Wong, K., Hoyos, C., Krass, I., Saini, B. (2016). Dispensing good sleep health behaviours not pills - a cluster-randomized controlled trial to test the feasibility and efficacy of pharmacist-provided brief behavioural treatment for insomnia. Journal of Sleep Research, 25(1), 104-115. [More Information]
  • Melehan, K., Hoyos, C., Yee, B., Wong, K., Buchanan, P., Grunstein, R., Liu, P. (2016). Increased sexual desire with exogenous testosterone administration in men with obstructive sleep apnea: A randomized placebo-controlled study. Andrology, 4(1), 55-61. [More Information]
  • Phillips, C., Hoyos, C., Yee, B., Grunstein, R. (2016). Rebuttal from Craig L. Phillips, Camilla M. Hoyos, Brendon J. Yee and Ronald R. Grunstein. The Journal of Physiology, 594(17), 4697-4698. [More Information]

2015

  • Hoyos, C., Yee, B., Phillips, C., Machan, E., Grunstein, R., Liu, P. (2015). Body compositional and cardiometabolic effects of testosterone therapy in obese men with severe obstructive sleep apnea: a randomized placebo-controlled trial. European Journal of Endocrinology, 173(5), x3. [More Information]
  • Hoyos, C., Melehan, K., Liu, P., Grunstein, R., Phillips, C. (2015). Does obstructive sleep apnea cause endothelial dysfunction? A critical review of the literature. Sleep Medicine Reviews, 20, 15-26. [More Information]
  • Sivam, S., Witting, P., Hoyos, C., Maw, A., Yee, B., Grunstein, R., Phillips, C. (2015). Effects of 8 weeks of CPAP on lipid-based oxidative markers in obstructive sleep apnea: a randomized trial. Journal of Sleep Research, 24(3), 339-345. [More Information]
  • Iftikhar, I., Hoyos, C., Phillips, C., Magalang, U. (2015). Meta-analyses of the association of sleep apnea with insulin resistance, and the effects of CPAP on HOMA-IR, adiponectin, and visceral adipose fat. The Journal of Clinical Sleep Medicine, 11(4), 475-485. [More Information]
  • Killick, R., Hoyos, C., Melehan, K., Dungan, G., Poh, J., Liu, P. (2015). Metabolic and hormonal effects of 'catch-up' sleep in men with chronic, repetitive, lifestyle-driven sleep restriction. Clinical Endocrinology, 83(4), 498-507. [More Information]
  • Hoyos, C., Melehan, K., Phillips, C., Grunstein, R., Liu, P. (2015). To ED or not to ED - Is erectile dysfunction in obstructive sleep apnea related to endothelial dysfunction? Sleep Medicine Reviews, 20(C), 5-14. [More Information]
  • Hoyos, C., Yee, B., Wong, K., Grunstein, R., Phillips, C. (2015). Treatment of Sleep Apnea With CPAP Lowers Central and Peripheral Blood Pressure Independent of the Time-of-Day: A Randomized Controlled Study. American Journal of Hypertension, 28(10), 1222-1228. [More Information]

2014

  • Hoyos, C., Killick, R., Keenan, D., Baxter, R., Veldhuis, J., Liu, P. (2014). Continuous Positive Airway Pressure Increases Pulsatile Growth Hormone Secretion and Circulating Insulin-like Growth Factor-1 in a Time-Dependent Manner in Men With Obstructive Sleep Apnea: A Randomized Sham-Controlled Study. Sleep, 37(4), 733-741. [More Information]
  • Hoyos, C., Phillips, C., Grunstein, R. (2014). From Couch Potato to Gym Junkie-CPAP May Not Be the Answer. The Journal of Clinical Sleep Medicine, 10(5), 473-474. [More Information]

2013

  • Hoyos, C., Sullivan, D., Liu, P. (2013). Effect of CPAP on the metabolic syndrome: a randomised sham-controlled study. Thorax, 68(6), 588-589. [More Information]
  • Simpson, P., Hoyos, C., Celermajer, D., Liu, P., Ng, M. (2013). Effects of continuous positive airway pressure on endothelial function and circulating progenitor cells in obstructive sleep apnoea: A randomised sham-controlled study. International Journal of Cardiology, 168(3), 2042-2048. [More Information]
  • Killick, R., Wang, D., Hoyos, C., Yee, B., Grunstein, R., Liu, P. (2013). The effects of testosterone on ventilatory responses in men with obstructive sleep apnoea: a randomised, placebo-controlled trial. Journal of Sleep Research, 22(3), 331-336. [More Information]

2012

  • Hoyos, C., Yee, B., Phillips, C., Machan, E., Grunstein, R., Liu, P. (2012). Body compositional and cardiometabolic effects of testosterone therapy in obese men with severe obstructive sleep apnea: a randomised placebo-controlled trial. European Journal of Endocrinology, 167(4), 531-541. [More Information]
  • Hoyos, C., Killick, R., Yee, B., Phillips, C., Grunstein, R., Liu, P. (2012). Cardiometabolic changes after continuous positive airway pressure for obstructive sleep apnoea: a randomised sham-controlled study. Thorax, 67(12), 1081-1089. [More Information]

2011

  • Dungan, G., Marshall, N., Hoyos, C., Yee, B., Grunstein, R. (2011). A Randomized Crossover Trial of the Effect of a Novel Method of Pressure Control (SensAwake) in Automatic Continuous Positive Airway Pressure Therapy to Treat Sleep Disordered Breathing. The Journal of Clinical Sleep Medicine, 7(3), 261-267. [More Information]

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