Staff Profiles

I am a Honorary Clinical Senior Lecturer in the Faculty of Medical Sciences at Newcastle University and A Professor at Newcastle University Medicine Malaysia.

Areas of expertise

• Clinical research in Infectious Diseases/Tropical Diseases including HIV
• Postgraduate medical education including MRCP
• Training and audit 

Academic background

• MBBS, MSc, FRCP, FRCPI, DTMH
• Co-supervisor in numerous PhD theses; over 160 publications in peer reviewed journals

• Articles

  • Heng W, Ho MH, Mah XH, Lim JJ, Syamsury NHBA, Haagensen E, Ong ELC, Hubbard P. Exploring pre-clinical medical students' perception of and participation in active learning: A mixed-methods transnational study. Medical Education 2025, epub ahead of print.
  • Kok SY, Abraham RE, Ali SNJ, Tuang WX, Ong ELC. A Retrospective Study of Clinical Biomarkers of Severe Dengue in a Tertiary Hospital in Johor Bahru, Malaysia. Tropical Medicine and Infectious Disease 2025, 10(2), 30.
  • Wong JW, Tan JH, Navindran S, Ong E. Symptoms, causes, management and outcomes of hyponatraemia: a single centre study among hospitalised adult patients in Malaysia. Journal of Global Health Economics and Policy 2024, 4, e2024012.
  • Stohr W, Arenas-Pinto A, Clarke A, Williams I, Johnson M, Orkin C, Chen F, Lee V, Winston A, Gompels M, Fox J, Sanders K, Dunn DT, Fisher M, Hadley W, Stacey D, Byrne P, De Esteban N, Pellegrino P, Haddow L, Hand J, De Souza C, Murthen L, Crawford-Jones A, Wilson R, Green E, Masterson J, Patel K, Howe R, Mullaney S, Jennings L, Beeching N, Tamaklo R, Teague A, Jendrulek I, Tiraboschi JM, Wilkins E, Clowes Y, Thompson A, Brook G, Trivedi M, Aderogba K, Jones M, DeBurgh-Thomas A, Jones L, Reeves I, Mguni S, Chadwick D, Spence P, Nkhoma N, Warwick Z, Price S, Read S, Herieka E, Walker J, Woodward R, Day J, Hilton L, Harinda V, Blackman H, Hay P, Mejewska W, Okolo O, Ong E, Martin K, Munro L, Dockrell D, Smart L, Ainsworth J, Waters A, Kegg S, McNamara S, Taylor S, Gilleran G, Gazzard B, Rowlands J, Allan S, Sandhu R, O'Farrell N, Quaid S, Martin F, Bennett C, Kapembwa M, Minton J, Calderwood J, Post F, Campbell L, Wandolo E, Palfreeman A, Mashonganyika L, Balachandran T, Kakowa M, O'Connell R, Tanawa C, Jebakumar S, Hagger L, Quah S, McKernan S, Lacey C, Douglas S, Russell-Sharpe S, Brewer C, Leen C, Morris S, Obeyesekera S, Williams S, David N, Roberts M, Wollaston J, Paton N, Paton N, Scott K, Dunn D, Beaumont E, Fleck S, Hall M, Hennings S, Kummeling I, Martins S, Owen-Powell E, van Hooff F, Vivas L, White E, Angus B, Freedman A, Cromerty B, Mercey D, Fidler S, Torok E, Babiker A, Peto T, Lalloo D, Phillips A, James R. Long-term efficacy and safety of a treatment strategy for HIV infection using protease inhibitor monotherapy: 8-year routine clinical care follow-up from a randomised, controlled, open-label pragmatic trial (PIVOT). eClinicalMedicine 2024, 69, 102457.
  • Nelson M, Bracchi M, Hunter E, Ong E, Pozniak A, van Halsema C. British HIV Association guidelines on the management of opportunistic infection in people living with HIV: The clinical management of non-tuberculous mycobacteria 2024. HIV Medicine 2024, 25(S4), 3-25.
  • Kong SWW, Yong JL, Cheong SPY, Ong ELC. Student Perspectives on E-Learning in a Malaysian Medical College One Year into the COVID-19 Pandemic: A Cross-Sectional Study. International Journal of Medical Students 2023, 11(3), 174-183.
  • Ong CY, Yee MM, Myat Soe K, Abraham RE, Tan OJH, Ong ELC. Role-playing in medical education: An experience from public role-players. Educación Médica 2022, 23(6), 100767.
  • Kong SW, Cheong SPY, Yong JL, Ong ELC. Psychological well-being amongst students in a Malaysian medical college one year into the COVID-19 pandemic: A cross-sectional study. Journal of Global Health Reports 2022, 6, e2022063.
  • Chang CY, Ong ELC. Lung abscess caused by Rhodococcus equi in a patient with advanced retroviral disease. Clinical Case Reports 2022, 10(7), e6073.
  • Chang CY, Lee JL, Ong ELC. Diffuse large B cell lymphoma presenting with cardiac tamponade in a patient with retroviral disease. Oxford Medical Case Reports 2022, 2022(7), 251-252.
  • Chang CY, Gan YL, Radhakrishnan AP, Ong ELC. Acute abdomen revealed Streptococcus gordonii infective endocarditis with systemic embolism. Oxford Medical Case Reports 2022, 2022(1), omab145.
  • Chang CY, Jayabalan M, Gan YL, Radhakrishnan AP, Ong ELC. Enterococcus hirae bacteremia associated with perinephric collection and renal abscesses in a diabetic woman. Oxford Medical Case Reports 2022, 2022(9), 319-321.
  • Chee JCC, Kong SWW, Tan ZJ, Lim YK, Pearce MS, Ong ELC. Perceptions, Attitude, Responses, Knowledge and Emotional Well-being (PARKE) of COVID-19 among students at Newcastle University Medicine Malaysia (NUMed). Journal of Global Health Reports 2021, 5, e2021002.
  • Chang CY, Rajappan M, Zaid M, Ong ELC. Neck Abscess Caused By Morganella Morganii. Journal of Ayub Medical College, Abbottabad 2021, 33(1), 172.
  • Weixiang K, Leong A, Ong ELC. Hepatitis B screening and seroconversion rates for new entry medical students at Newcastle University Medicine (NUMed) Malaysia – A follow up 2 year cohort analysis (2019-2020). Frontiers in Infectious Diseases and Microbiology 2021, 1(1), 103.
  • Goh WP, Evans G, Hurn E, Leong A, Lim YK, Saw YT, Subramaniam B, Tan ZJ, Ong ELC. Health screening for new entry medical students at Newcastle University Medicine (NUMed) Malaysia: A 4-year cross-sectional study. Journal of Global Health Reports 2021, 5, e2021003.
  • Chang CY, Wahid AA, Ong ELC. Disseminated talaromycosis in an HIV-infected patient. Revista da Sociedade Brasileira de Medicina Tropical 2021, 54, e0896-e2020.
  • Maggiolo F, Rizzardini G, Raffi F, Pulido F, Mateo-Garcia MG, Molina J-M, Ong E, Shao Y, Piontkowsky D, Das M, McNicholl I, Haubrich R. Bone mineral density in virologically suppressed people aged 60 years or older with HIV-1 switching from a regimen containing tenofovir disoproxil fumarate to an elvitegravir, cobicistat, emtricitabine, and tenofovir alafenamide single-tablet regimen: a multicentre, open-label, phase 3b, randomised trial. The Lancet HIV 2019, 6(10), e655-e666.
  • Widdrington JD, Emmerson I, Cullinan M, Narayanan M, Klejnow E, Watson A, Ong ELC, Schmid ML, Price DA, Schwab U, Duncan CJA. Pyogenic Spondylodiscitis: Risk Factors for Adverse Clinical Outcome in Routine Clinical Practice. Medical Sciences 2018, 6(4), 96.
  • Widdrington JD, Bond H, Schwab U, Price DA, Schmid ML, McCarron B, Chadwick DR, Narayanan M, Williams J, Ong E. Pyogenic brain abscess and subdural empyema: presentation, management, and factors predicting outcome. Infection 2018, 46(6), 785-792.
  • Raben D, Mocroft A, Rayment M, Mitsura VM, Hadziosmanovic V, Sthoeger ZM, Palfreeman A, Morris S, Kutsyna G, Vassilenko A, Minton J, Necsoi C, Estrada VP, Grzeszczuk A, Johansson VS, Begovac J, Ong ELC, Cabie A, Ajana F, Celesia BM, Maltez F, Kitchen M, Comi L, Dragsted UB, Clumeck N, Gatell J, Gazzard B, Monforte AD, Rockstroh J, Yazdanpanah Y, Champenois K, Jakobsen ML, Sullivan A, Lundgren JD, HIDES Audit Study Group. Auditing HIV Testing Rates across Europe: Results from the HIDES 2 Study. PLoS ONE 2015, 10(11), e0140845.
  • Moyle GJ, Orkin C, Fisher M, Dhar J, Anderson J, Wilkins E, Ewan J, Ebrahimi R, Wang H, Ainsworth J, Waters A, Anderson J, Morumba L, Brook G, Chikohora M, Hay P, Adebiyi A, Cockerill M, Ndoro M, Johnson M, Carroll A, Turner F, Moyle G, Fletcher C, Osorio J, Orkin C, Hand J, Desouza C, Fisher M, Perry N, Maher T, Bray A, De Burgh Thomas A, Bunting M, Jones L, White D, Groves J, Ross J, Brown L, Hood K, Dhar J, Johnson S, Morgan E, Hewart R, Ong E, Wilkins E, Stockwell E, Robertson A, Leen C, Morris S, Ellis L, Maw R, McKernan S, Herath DC, Ewan J, Hui Wang M, Ebrahimi R. A Randomized Comparative Trial of Continued Abacavir/Lamivudine plus Efavirenz or Replacement with Efavirenz/Emtricitabine/Tenofovir DF in Hypercholesterolemic HIV-1 Infected Individuals. PLoS ONE 2015, 10(2), e0116297.
  • Lavender TW, Barrett A, Magee J, Ong ELC. Interferon-gamma release assays in the diagnosis of active tuberculosis disease in a low-incident setting: a 5-year review of data. Clinical Microbiology and Infection 2013, 19(11), 1078-1081.
  • Payne BAI, Hateley CL, Ong ELC, Premchand N, Schmid ML, Schwab U, Newton JL, Price DA. HIV-associated fatigue in the era of highly active antiretroviral therapy: novel biological mechanisms?. HIV Medicine 2013, 14(4), 247-251.
  • Manousaridis K, Ong E, Stenton C, Gupta R, Browning AC, Pandit R. Clinical presentation, treatment, and outcomes in presumed intraocular tuberculosis: experience from Newcastle upon Tyne, UK. Eye 2013, 27(4), 480-486.
  • Ellis S, Curtis H, Ong ELC, BHIV, BHIVA Clinical Audit Stand. A survey of HIV care in the UK: results of British HIV Association (BHIVA) National Audit 2010. International Journal of STD & AIDS 2013, 24(4), 329-331.
  • Jones L, Ong ELC, Okpokam A, Sloan P, Macleod I, Staines KS. Three cases of oral syphilis - an overview. British Dental Journal 2012, 212(10), 477-480.
  • Ellis S, Curtis H, Ong ELC, British HIV Assoc BHIVA, BHIVA Clinical Audit Stand. HIV diagnoses and missed opportunities. Results of the British HIV Association (BHIVA) National Audit 2010. Clinical Medicine 2012, 12(5), 430-434.
  • Beck EJ, Mandalia S, Sangha R, Sharott P, Youle M, Baily G, Brettle R, Gompels M, Johnson M, McCarron B, Ong E, Pozniak A, Schwenk A, Taylor S, Walsh J, Wilkins E, Williams I, Gazzard B, NPMS-HHC Steering Grp. The Cost-Effectiveness of Early Access to HIV Services and Starting cART in the UK 1996-2008. PLoS One 2011, 6(12), e27830.
  • Houlihan C, Ndlovu C, Price A, Ong EL, Schwab U, Schmid ML. Pandemic and seasonal influenza vaccination uptake in an HIV positive cohort: Category: Lesson in Microbiology & Infection Control. Journal of Infection 2011, 63(6), e72-e73.
  • Ellis S, Graham L, Price DA, Ong ELC. Offering HIV testing in an acute medical admissions unit in Newcastle upon Tyne. CLINICAL MEDICINE 2011, 11(6), 541-543.
  • Nademi MR, Snow MH, Price DA, Ong EL, Schmid ML. [Meeting Abstract] Psoas abscess in a Large North Eastern Hospital Trust. Journal of Infection 2008, 56(4), 306-307.
  • Wahie S, Ong E, Charlton FG, Reynolds NJ. An ancient malady. The American Journal of Medicine 2006, 119(12), 1039-1042.
  • Price DA, Schmid ML, Ong ELC, Adjukeiwicz KMB, Peatson B, Snow MH. Pancreatic exocrine insufficiency in HIV-positive patients. HIV Medicine 2005, 6(1), 33-36.
  • Blasdale C, Turner RJ, Leonard N, Ong ELC, Lawrence CM. Spontaneous clinical improvement in HIV-associated follicular syndrome. Clinical and Experimental Dermatology 2004, 29(5), 480-482.
  • Price DA, Ong ELC. Cutaneous histoplasmosis in a patient with systemic lupus erythematosis. Lancet Infectious Diseases 2003, 3(5), 296-.
  • Thaker HK, Ong ELC. Kikuchi's disease (KFD) presenting as a chest infection. CPD Infection 2002, 3(1), 22-23.
  • Mustafa M, Price DA, Schmid M, Snow M, Ong ELC. A retrospective study on complications of HAART in North East England. Journal of Infection 2002, 44(2), 110.
  • Thaker H, Neilly IJ, Saunders PG, Magee JG, Snow MH, Ong ELC. Remember mycobacterial disease in hairy cell leukaemia (HCL). Journal of Infection 2001, 42(3), 213-214.
  • Pauriah M, Ong ELC. Retrospective study of CMV retinitis in patients with AIDS. Clinical Microbiology and Infection 2000, 6(1), 14-18.
  • Camidge R, Ong E, Lucraft H. An aggressive intrasinusoidal lymphoma presenting with marked systemic disturbance but normal imaging studies. Postgraduate Medical Journal 2000, 76(892), 103-104.
  • Gompels MM, Simpson N, Snow M, Spickett G, Ong E. Desensitization to co-trimoxazole (trimethoprim-sulphamethoxazole) in HIV-infected patients: Is patch testing a useful predictor of reaction?. Journal of Infection 1999, 38(2), 111-115.
  • Melzer M, Colbridge M, Keenan F, Stainsby D, Ong ELC. Cryptococcosis: An unusual opportunistic infection complicating B cell lymphoproliferative disorders. JOURNAL OF INFECTION 1998, 36(2), 220-222.
  • Shipsey D, Griffith CDM, Viswanath YKS, Wood KM, Hemming D, Ong ELC. AIDS-related non-Hodgkin's lymphoma presenting as gynaecomastia. BREAST 1998, 7(6), 344-344.
  • Clark JE, Ong ELC. A UK centre's experience of mycobacterial infections in HIV-infected patients. INTERNATIONAL JOURNAL OF STD & AIDS 1998, 9(10), 613-615.
  • Dorrell L., Hassan I., Marshall S., Chakraverty P., Ong E. Clinical and serological responses to an inactivated influenza vaccine in adults with HIV infection, diabetes, obstructive airways disease, elderly adults and healthy volunteers. Int J STD and AIDS 1997, 8, 776-779.
  • Hassan ISA, Snow MH, Ong ELC. Overwhelming pneumoccoccal sepsis in two patients splenectomised more than ten years previously. SCOTTISH MEDICAL JOURNAL 1996, 41(1), 17-19.
  • DORRELL L, MCCALLUM AK, SNOW MH, ONG ELC. DAPSONE/PYRIMETHAMINE VERSUS AEROSOLIZED PENTAMIDINE AS PROPHYLAXIS AGAINST PCP IN HIV-INFECTION. AIDS PATIENT CARE 1995, 9(5), 224-228.
  • COLBRIDGE MJ, BAILY GG, DUNBAR EM, ONG ELC. ANTIBIOTICS CARRIED IN GENERAL-PRACTITIONERS EMERGENCY BAGS - 4 YEARS ON. BRITISH MEDICAL JOURNAL 1995, 310(6971), 29-30.
  • Vedhara K, Nott KH, Richards SM, Bradbeer C, Davidson EAF, Ong ELC, Snow MH. A technique for accurate use of CD4+ cell counts. AIDS PATIENT CARE 1995, 9(6), 276-280.
  • FIFE A, DORRELL L, SNOW MH, ONG ELC. GIANT-CELL ARTERITIS - A CAUSE OF PYREXIA OF UNKNOWN ORIGIN. SCOTTISH MEDICAL JOURNAL 1994, 39(4), 114-115.
  • Bradford CR, Ong ELC, Hendrick DJ, Saunders PWG. Use of colony stimulating factors for the treatment of drug-induced agranulocytosis. Br J Haematol 1993, 84, 182-6.

• Conference Proceedings (inc. Abstracts)

  • Bargiela D, Bogowicz P, Ong E. Outcome of antiretroviral treatment audit based on BHIVA 2012 guidelines in a North East UK regional unit. In: Third Joint Conference of BHIVA and BASHH. 2014, Liverpool, UK: Wiley-Blackwell Publishing Ltd.
  • Green E, Mabillard H, Ong E. Characteristics of Women with HIV in the North of England: Category: Scientific free paper. In: Journal of Infection. 2011, W.B. Saunders Co. Ltd.
  • Ellis S, Wilkinson M, Green EW, McLoughlin C, Campbell I, Price A, Schmid M, Ong E, Schwab U. Deliverance - home delivery of antiretrovirals in Newcastle. In: Second Joint Conference of the British HIV Association and the British Association for Sexual Health and HIV. 2010, Manchester, UK: HIV Medicine, Wiley-Blackwell.
  • Premchand N, Golds K, Ong ELC. Diagnosing the undiagnosed - the real world experience from a northeast England regional infectious diseases unit. In: HIV Medicine: 15th Annual Conference of the British HIV Association. 2009, Liverpool, UK: Wiley-Blackwell Publishing Ltd.

• Editorial

  • Ajdukiewicz KMB, Ong ELC. Management of vivax malaria with low sensitivity to primaquine. Journal of Infection 2007, 54(3), 209-211.

• Letters

  • Manousaridis K, Ong E, Stenton C, Gupta R, Browning AC, Pandit R. Reply to Wakefield and Kumar: Liver failure following antituberculosis (ATT) chemotherapy for presumed tuberculous uveitis Reply. Eye 2014, 28(1), 111-112.
  • Duncan CJA, Schmid ML, Schwab U, Price DA, Ong E. Futility of CD4+ monitoring in HIV-1 patients with CD4+ cell count above 350 cells/[mu]l on suppressive antiretroviral therapy. AIDS 2014, 28(17), 2638-2639.
  • Ellis S, Graham L, Price D, Ong E. Offering HIV testing in an acute medical admissions unit in Newcastle upon Tyne In response. Clinical Medicine 2011, 11(6), 541-543.
  • Ong E, Nikhil P, Golds K. HIV testing in the UK. The Lancet 2009, 374(9687), 377.
  • Goldsmith P, Jones RE, Ozuzu GE, Richardson J, Ong ELC. Optic neuropathy as the presenting feature of HIV infection: recovery of vision with highly active antiretroviral therapy. British Journal of Ophthalmology 2000, 84(5), 546.
  • Thaker H, Ong ELC. Localized Mycobacterium avium complex infection in a patient on HAART [5]. Clinical Microbiology and Infection 2000, 6(10), 564-566.
  • Melzer M, Ong ELC. A spotted fever and melaena: acute HIV seroconversion. INTERNATIONAL JOURNAL OF STD & AIDS 1997, 8(8), 535-536.
  • ONG ELC, HASSAN ISA, SNOW MH. PNEUMOCOCCAL SEPSIS IN A SPLENECTOMIZED PATIENT. BRITISH JOURNAL OF GENERAL PRACTICE 1995, 45(398), 502-503.
  • HASSAN ISA, ONG ELC. FEVER IN THE RETURNED TRAVELER - REMEMBER MURINE TYPHUS. JOURNAL OF INFECTION 1995, 31(2), 173-174.
  • ONG ELC. ANTITUBERCULOUS THERAPY AND ACUTE LIVER-FAILURE. LANCET 1995, 345(8958), 1171-1171.
  • COLBRIDGE MJ, ONG ELC, BAILY G, DUNBAR EM. ANTIBIOTICS CARRIED IN GENERAL-PRACTITIONERS EMERGENCY BAGS. BRITISH MEDICAL JOURNAL 1995, 310(6984), 942-942.
  • BRADFORD CR, ONG ELC, HENDRICK DJ, SAUNDERS PWG. USE OF COLONY-STIMULATING FACTORS FOR THE TREATMENT OF DRUG-INDUCED AGRANULOCYTOSIS. BRITISH JOURNAL OF HAEMATOLOGY 1993, 84(1), 182-183.
  • ONG ELC, MANDAL BK. PREVENTION AND TREATMENT OF PNEUMOCYSTIS PNEUMONIA. NEW ENGLAND JOURNAL OF MEDICINE 1993, 328(21), 1569-1569.
  • DORRELL L, WARDROPPER AG, ONG ELC. HELICOBACTER-PYLORI INFECTION IN AN HIV-SEROPOSITIVE PATIENT WITH DIARRHEA. AIDS 1993, 7(6), 900-901.
  • DORRELL L, FIFE A, SNOW MH, ONG ELC. TOXICITY OF CLINDAMYCIN IN HIV-INFECTED PERSONS. SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES 1992, 24(5), 689-689.
  • ONG ELC. MANAGING TUBERCULOSIS AND HIV-INFECTION. BRITISH MEDICAL JOURNAL 1992, 304(6841), 1567-1567.
  • ONG ELC. INFLUENZA AND ASTHMA. LANCET 1992, 339(8789), 367-367.
  • WARDROPPER A, ONG ELC. CONTACT TRACING IN HIV-INFECTION. BRITISH MEDICAL JOURNAL 1992, 305(6854), 652-652.

• Notes

  • Lee KS, Zaid M, Ong ELC. Disseminated Multidrug Resistant Neisseria gonorrhoea infection in a patient with vasculitic skin rash. Revista da Sociedade Brasileira de Medicina Tropical 2023, 56, e0289-2023.
  • Chang CY, Ong ELC. Positive string test in hypervirulent Klebsiella pneumoniae liver abscess. Oxford Medical Case Reports 2022, 2022(4), 142-143.
  • WARDROPPER AG, SANKAR KN, ONG ELC. RISKS AND BEHAVIOR IN PATIENTS REQUESTING HIV TESTS. JOURNAL OF INFECTION 1995, 30(1), 71-73.
  • Wardropper AG, Ong ELC. Erythema multiforme secondary to dideoxycytidine (ddC). INTERNATIONAL JOURNAL OF STD & AIDS 1995, 6(6), 450-450.
  • WARDROPPER AG, SANKAR KN, ONG ELC. SURVEILLANCE OF SEXUAL-BEHAVIOR AND PATIENTS REASONS FOR REQUESTING HIV TESTS. INTERNATIONAL JOURNAL OF STD & AIDS 1994, 5(5), 375-375.
  • DORRELL L, FULTON B, ONG ELC. INTRAVENOUS AZITHROMYCIN AS SALVAGE THERAPY IN A PATIENT WITH LEGIONNAIRES-DISEASE. THORAX 1994, 49(6), 620-621.

• Reviews

  • Curtis H, Yin Z, Clay K, Brown AE, Delpech VC, Ong E, BHIVA Audit Stand Sub-Comm. People with diagnosed HIV infection not attending for specialist clinical care: UK national review. BMC Infectious Diseases 2015, 15, 315.
  • Ong ELC. Prophylaxis against disseminated Mycobacterium avium complex in AIDS. Journal of Infection 1999, 38(1), 6-8.
  • ONG ELC. THE ROLE OF AEROSOL PENTAMIDINE PROPHYLAXIS. INTERNATIONAL JOURNAL OF STD & AIDS 1993, 4(2), 67-69.