Professional Qualifications

• Certificate of Proficiency in Sleep and Circadian Science for Health Practitioners 2014, Massey University, New Zealand

Memberships in Professional Organizations

• Fellow of Royal Australasian College of Physicians
• Member of World Sleep Society 2020, 2021
• Life member of Sri Lanka Medical Association
• Member of Ceylon College of Physicians
• Member of Sri Lanka College of Internal medicine
• Member of Association of Geriatric Medicine
• Life member of the Peradeniya Medical School Alumni Association

Awards

• Gold Medals
  Dr C.E.S. Gold Medal for 2nd MBBS examination
  Dr Chalmers Gold Medal for Anatomy
  Dr C.B. Dharmasena Gold Medal for Anatomy
• Scholarships
  University Scholarship for 2nd MBBS Examination, University of Peradeniya
  Emily Wickramanayake scholarship of University of Peradeniya
  Punchi Banda Panabokke and Irene Panabokke Memorial Scholarship of University of Peradeniya
• Memorial Prizes
  The Arthur Fernando Memorial Prize of University of Peradeniya
  Punchi Banda Panabokke Memorial Prize in Forensic Medicine
  Dr A.C. Fernando Memorial Prize in Surgery

• Specialist in Internal Medicine

Research Interests

• Mindfulness
• Sleep Medicine
• Leptospirosis

ORCID ID

0000-0002-9499-6376

Google Scholar Link

https://scholar.google.com/citations?hl=en&user=_U_GWq0AAAAJ

Research Grants Held

• University research grant, University of Sri Jayewardenepura -ASP/ 01/RE/MED/2017/38.
• Dr Ranjita Wikramanayake Research Grant in Diabetes, Ceylon College of Physicians, 2017

Publications and Scientific Communications

Books Authored

MEDICAL EMERGENCIES: Essential for Medical Students and Junior Doctors. Management algorithms with explanations
ISBN 978-955-31-2208-7
Sarasavi Publications, 2021

OSCE REVISION IN MEDICINE for Medical Undergraduates
ISBN 978-955-31-2282-7
Sarasavi Publications, 2021

Authored Manuals and Guidelines

Physiology Practical Manual for Medical Undergraduates, FMS, USJ, 2008

Clinical Practice Guidelines on Hypertension
Developed by Ceylon College of Physicians in collaboration with WHO
Authored, Chapter 9.8- Hypertension in the elderly, Chapter 9.9 – Hypertension in the young

Thesis

M Phil 2013 – Theses title: Gastroesophageal reflux among acute unexplained chest pain patients in a selected center of Sri Lanka.

Publications Journal

• Marasinghe M G C P, Abeyaratne D, Fonseka L, Gunatilake S B. Work related fatigue and sleepiness at work among intern house officers of four hospitals in Sri Lanka. Journal of the Ceylon College of Physicians, 2019, 50, 26-33.
• Marasinghe M G C P. Jet lag: biology, sleep and coping strategies. A review. Journal of the Ceylon College of Physicians, 2014, 45, 39-4.
• Chamil Marasinghe. Sleep disorders in elderly. A review. Journal of the Ceylon College of Physicians, 2012, 43, 37-40
• Kanchana Bandara, Manjula Manoji Weerasekera, Chinthika Gunasekara, Nilantha Ranasinghe, Chamil Marasinghe and Neluka Fernando. Utility of modified Faine’s criteria in diagnosis of leptospirosis. BMC Infectious Diseases (2016) 16:446.
• Kanchana Kumari Bandara, Manjula Weerasekera, Chinthika P Gunasekara, Nilantha Ranasinghe, Chamil Marasinghe, Neluka Fernando. Molecular characterisation and disease severity of leptospirosis in Sri Lanka. Mem Inst Oswaldo Cruz, Rio de Janeiro: 1-7, 2015.
• Thilini Nisansala , Kanchana Bandara , Manjula Weerasekera , Chinthika Gunasekara , Chamil Marasinghe, Chandika D. Gamage , Neluka Fernando , Nilantha Ranasinghe. Manifestations and outcomes of leptospirosis during local outbreaks in high endemic districts of Sri Lanka: A retrospective multi-center study. Asian Pacific Journal of Tropical Medicine 2019; 12(10): 442-449.
• G. T. Nisansala, D. Muthusinghe, T. D. C. P. Gunasekara, M. M. Weerasekera, S. S. N. Fernando, K. N. P. Ranasinghe, M. G. C. P. Marasinghe, P. S. Fernando, N. Koizumi and C. D. Gamage. Isolation and characterization of Leptospira interrogans from two patients with leptospirosis in Western Province, Sri Lanka. Journal of Medical Microbiology 2018;67:1249–1252
• Kanchana Kumari Bandara, Chinthika Prabhashinie Gunasekara, Manjula Manoji Weerasekera, Nilantha Ranasinghe, Menaka Hapugoda, Chamil Marasinghe, Neluka Fernando.Comparison of three rapid diagnostic assays for diagnosis of leptospirosis in a resource poor setting. World Journal of Pharmaceutical Research. Vol 5, Issue 7, 1771-1780; 2016
• Kanchana Bandara, Chinthika Gunasekara, Manjula Weerasekera, Chamil Marasinghe, Nilantha Ranasinghe, Neluka Fernando. Do the Th17 Cells Play a Role in the Pathogenesis of Leptospirosis? Canadian Journal of Infectious Diseases and Medical Microbiology. Volume 2018, Article ID 9704532.
• Marasinghe, M.G.C.P, Indrakumar, J. Glycaemic Status On Admission In Patients With Acute Coronary Syndrome. Sri Lanka Journal of Critical Care, 2009,1(1), pp.25–28.
• Sudusinghe DH, Liyanage A, Marasinghe C, Chandrasiri S. Infective endocarditis by an unusual organism – Abiotrophia species. Galle Medical Journal. Vol20: No. 2, October 2015
• Abeyaratne D.D.K., Bandara K.A.S., Liyanapathirana C., Marasinghe M.G.C.P., Gunathilake S.B Isolated Sphenoidal Fungal Sinusitis in a Patient with Ulcerative Colitis on Steroids. Sri Lanka Journal of Neurology, 2015, 4, 34-35.
• NS Chandrasiri, MGCP Marasinghe, KMC Mendis, D Gunawardene Haemophagocytic syndrome. The Bulletin of the Sri Lanka College of Microbiologists. Vol 10, Issue 1. Aug 2012.
• J lndrakumar, M G C P Marasinghe, M Ekanayake, S B Gunatilake.An unusual presentation of hypothyroidism. l Journal of the Ceylon College of Physicians, 2008/09, 40, 25-26.
• Kottahachchi J, Dissanayake D.M.B.T, Athukorala D, Kottahachchi S.P, Fernando S.S.N, Weerasekara M.M, Gunasekara C, Nalaka M.J, Sudusinghe D, Marasinghe C. Legionella pneumonia as a cause of atypical pneumonia in a tertiary care hospital in Sri Lanka. International Journal of Multidisciplinary Studies (IJMS) 2021, Volume 8, Issue 1, 87- 99.
• Thilini Nisansala, Manjula Weerasekera, Nilantha Ranasinghe, Chamil Marasinghe, Chandika Gamage, Neluka Fernando, Chinthika Gunasekara. Contributing role of TNF, IL-10, sTNFR1 and TNF gene polymorphisms in disease severity of leptospirosis. Med Microbiol Immunol (2021). https://doi.org/10.1007/s00430-021-00714-5.
• Thilini Nisansala, Manjula Weerasekera, Nilantha Ranasinghe, Chamil Marasinghe, Chandika Gamage, Neluka Fernando, Chinthika Gunasekara, “Importance of KIM-1 and MCP-1 in Determining the Leptospirosis-Associated AKI: A Sri Lankan Study”, BioMed Research International, vol. 2021, Article ID 1752904, 11 pages, 2021. https://doi.org/10.1155/2021/1752904.
• Surani Matharaarachchi, Mike Domaratzki, Chamil Marasinghe, Saman Muthukumarana, Varuni Tennakoon. Modeling and feature assessment of the sleep quality among chronic kidney disease patients. Sleep Epidemiology, Volume 2, 2022, 100041, ISSN 2667-3436. https://doi.org/10.1016/j.sleepe.2022.100041.

Published Abstracts and Conference Presentations

• Marasinghe MGCP, Tennakoon V, Mahawithanage STC. EEG Patterns during Mindfulness Meditation. The Ceylon Medical Journal. Volume 64, Supplement 1, July 2020.
• C Marasinghe, D Abeyaratne, L Fonseka, S Gunatilake. Work related fatigue and sleepiness at work among intern house officers of four hospitals in Sri Lanka. Sleep Medicine. 64:S 244:2019.
• Marasinghe MGCP, Samarasinghe MP, Wijayawardena KWST, Pathirana NSW. Sleeping disturbances and associated sleep disorders of hospitalized patients with acute coronary syndrome. Ceylon College of Physicians. 50^th Annual Academic Sessions. Sri Lanka. 6-9 September 2017.
• Bandara AWMKK, Marasinghe MGCP, Weerasekara MM, Gunasekara TDCP, Fernanado SSN, Ranasinghe KNP, Jayalth MPK, Dickmadugoda N, Wickramasinghe H, Hapugoda M, Gunapala A, Siwagnanam F, Pavithra MAT. Diagnosis of Leptospirosis. A preliminary study. Ceylon College of Physicians 46^th Annual Academic Sessions. Sri Lanka. 12-14 September 2013.
• Nissansala GGT, Gunasekara TDCP, Weerasekara MM, Ranasinghe KNP, Gamage CD, Marasinghe MGCP, Fernanado SSN, Chandrasekaran NV. Association of leptospiremia and disease severity in leptospirosis. Ceylon Medical Journal. Volume 63, Supplement 1, July 2018.
• Nisansala T; Weerasekera M; Ranasinge N; Gamage C; Marasinghe C; Fernando N; Gunasekara C. A significant association between tumour necrosis factor-alpha expression and the development of severe clinical outcomes in leptospirosis. Federation of Immunological Societies of Asia-Oceania Congress 10-13 November 2018, Madarin Hotel Bangkok, Thailand.
• Marasinghe MGCP.; Gawrishanker B.; Tennakoon V.; Sivapalan M. Use of antibiotics by junior medical doctors in a selected medical unit of sri Lanka. Ceylon College of Physicians. 50^th Annual Academic Sessions. Sri Lanka. 6-9 September 2017.
• Marasinghe MGCP, Tennakoon V, Mahawithanage STC. Electroencephalographic patterns during mindfulness meditation. 4^th Annual Congress of Sri Lanka College of Internal Medicine. 25-26^th Feb 2021.
• Marasinghe MGCP, Matharaarachchi S, Muthukumarana S, Rathypriya B,Tennakoon V. Quality of sleep in patients with chronic kidney disease. 4^th Annual Congress of Sri Lanka College of Internal Medicine. 25-26^th Feb 2021.
• Marasinghe, D Abeyaratne, L Fonseka, S Gunatilake. Work related fatigue and sleepiness at work among intern house officers of four hospitals in Sri Lanka. World Sleep Congress. Sep 20-25, 2019; Vancouver, Canada.
• Marasinghe, M.G.C.P.; Bandara, A.W.M.K.K.; Wimalasekara, M.M.; Gunasekara, T.D.C.P.; Ranasinghe, N.; Hapugoda, M.D.; Fernando, S.S.N. Predictors of Disease Severity of Leptospirosis on Admission – A Sri Lanka Study. 10^th International Leptospirosis Society Conference 2017. Nov 27^th -Dec 1^st. Palmerston North, New Zealand.
• MGCP Marasinghe, DMS Fernando. Gastroesophageal reflux among acute unexplained chest pain patients in a selected centre. Annual Academic sessions of Physiological Society of Sri Lanka. 18^th November 2011.
• Marasinghe, M.G.C.P.; Abeyaratne, D.; Gunatilake, S.B. Fatigue Related Risk and Sleepiness at Work of Intern House Officers in a Teaching Hospital in Sri Lanka. Sri Lanka Medical Association 128^th Anniversary International Medical Congress 2015.
• Nisansala, G.G.T; Muthusinghe, D; Gunasekara, T.D.C.P; Weerasekera, M.M; Ranasinge, K.N.P; Marasinghe, M.G.C.P; Fernando, S.S.N; Gamage, C.D. Isolation and characterization of leptospira interrogans from clinically suspected leptospirosis patients from selected hospitals in Western province, Sri Lanka. International Conference of Health Sciences 2018 Faculty of Medical Sciences USJ, 7-9 October, Water Edge, Colombo.
• Bandara K; Gunasekara C; Weerasekera M; Marasinghe C; Ranasinge N; Fernando N. Cytokine response in leptospirosis suggests a role for TH17 involvement. Federation of Immunological Societies of Asia-Oceania Congress 10-13 November 2018, Madarin Hotel Bangkok, Thailand.
• G Gamage, A Bandara, M Marasinghe, MM Weerasekara, SSN Fernando. Optimization of a real time PCR for quantification of Leptospira bacterial loads in patients using SYBR green based real time PCT. The Scientific Sessions 2017. Faculty of Medical Sciences USJ, 24-25 May, Colombo.
• AWMKK Bandara, MM Weerasekara, SSN Fernando, KNP Ranasinghe, MGCP Marasinghe, TDCP Gunasekara. Serum cytokines; a potential biomarker in leptospirosis? Ceylon College of Physicians. 49^th Annual Academic Sessions. Sri Lanka. 22-24 September 2016.
• AWMKK Bandara, MM Weerasekera, TDCP Gunasekara, KNP Ranasinghe, MGCP Marasinghe, N Dikmadugoda, MPK Jayalath, A Gunapala, SSN Fernando. Molecular epidemiology of leptospirosis in western and southern provinces in Sri Lanka. Proceedings of the Scientific Sessions, FMS, USJP 2015
• Marasinghe MGCP. Falls risk of elders admitted to general medical ward. Sri Lanka Association of Geriatric Medicine. Inaugural Annual Academic Sessions. 13^th November 2013.
• TDCP Gunasekara, AWMK Bandara, MM Weerasekara, KNP Ranasinghe, C Marasinghe, SSN Fernando. Molecular epidemiology, serology and clinical presentation of leptospirosis in Sri Lanka. International Conference on Advances in Health and Life Sciences (Bangkok) 5-6 January 2015. International Journal of Technical Research and Applications. 2015
• Gamage, G.G.T.N; Gunasekara, T.D.C.P; Weerasekera, M.M; Gamage, C.D; Ranasinge, K.N.P; Marasinghe, M.G.C.P; Fernando, S.S.N; Chandrasekharan, N.V. Absolute quantification method to detect bacterial load in leptospirosis: EvaGreen chemistry based quantitative PCR assay. KDU Mayo Clinic International Nephrology, Dialysis, Trasplant Medicine and Oncology Conference. February 7-10, 2018. University Hospital Kothalawala Defense University, Colombo.
• MGCP Marasinghe, NAA Weerasinghe, DMS Fernando. A descriptive study of patients presenting with chest pain to a general medical ward. Sri Lanka Medical Association 125^th Anniversary International Medical Congress 2012.
• Bandara AWMKK, Weerasekara MM, Gunasekara TDCP, Hapugoda MD, Ranasinghe KNP, MGCP Marasinghe, Fernando SSN. Modified Faine’s criteria. A useful diagnostic tool in resource poor setting. 10^th International Leptospirosis Society Conference 2017. Nov 27^th -Dec 1^st. Palmerston North. New Zealand
• MGCP Marasinghe, MV Iyshwarya, AU Pathirana, BMB Gunawardene, U Bulugahapitiya, SB Gunatilake. Association between diabetic peripheral neuropathy and cognitive impairment. Sri Lanka Medical Association 125^th Anniversary International Medical Congress 2012.
• AWMKK Bandara, MM Weerasekara, SSN Fernando, KNP Ranasinghe, MGCP Marasinghe, TDCP Gunasekara. Evaluation of three commercial rapid immunochromatographic kits for the presumptive identification of leptospirosis in Sri Lanka. International Conference of Multidisciplinary approaches. Faculty of Graduate studies of University of Sri Jayewardenepura.13-14^th August 2014.
• MGCP Marasinghe. SB Gunatilake. Who publishes in the Ceylon Medical Journal? Sri Lanka Medical Association 122^nd Annual Scientific Sessions 2009.
• Nissansala GGT, Bandara AWMK, Weerasekara MM, Ranasinghe KNP, Gamage CD, Marasinghe MGCP, Fernanado SSN Gunasekara TDCP. Age as a determining factor for development of severe leptospirosis. A comparison of disease outcome in young, middle aged and older adults. Ceylon College of Physicians. 51^st Annual Academic Sessions. Sri Lanka. 12-15 September 2018.
• Pathirana A, Asiri AGS, Marasinghe C, Gunatilake SB. Demographic patterns and non-motor symptoms of patients with Parkinson’s disease. Association of Sri Lankan Neurologists. 6^th Annual Scientific Sessions 16-18^th November 2012.
• Nissansala GGT, Bandara AWMK, Weerasekara MM, Gunasekara TDCP, Gamage CD, Marasinghe MGCP, Fernanado SSN, Ranasinghe KNP. Epidemic leptospirosis in Sri Lanka. Value of Clinical presentation, Laboratory data and suspected case definition for early diagnosis. 11^th European Congress on Tropical Medicine and International Health. 16-20 Sep 2019; Liverpool UK.

Research Collaborations

Department of Statistics, University of Manitoba, Winnipeg, MB, R3T 2N2, Canada

Awards

• National Research Council Research Awards for scientific publication 2015
• National Research Council Research Award for scientific publication 2016
• Research awards University of Sri Jayewardenepura 2015
• Research awards University of Sri Jayewardenepura 2016
• Research awards University of Sri Jayewardenepura 2018
• Research awards University of Sri Jayewardenepura 2019
  Second place for the poster presentation, KDU Mayo Clinic International Conference 2018. Title: Absolute quantification methods to detect bacterial load in leptospirosis

Other Faculties of University of Sri Jayewardenepura

• Faculty of Allied Health Sciences

Other Universities

• University of Colombo
• Sir John Kotalawala Defence University