• Medicine

• Endocrinology
• Reproductive Endocrinology

Journal papers

1. Chaturaka Rodrigo, Nipun Lakshitha de Silva, Ravindi Gunaratne, Senaka Rajapakse, Varuni Asanka de silva, Raveen Hanwella. Lower Estimateg glomerular filtration rate in patients on long term lithium: a comparative study and a meta analysis of literature.BMC psychiatry 2014, 14:4
2. Sumadhya D Fernando, Ratnasiri L Ihalamulla, Renu Wickremasinghe, Nipun L de Silva, Janani H Thilakarathne, Pandu Wijeyaratne, Risintha G Premaratne. Effects of Modifying the World Health Organisation Standard operating procedure for malaria microscopy to improve surveillance in resource poor setting. Malaria Journal 2014, 13:98
3. Nipun Lakshitha de Silva, Hasitha Damayanthi, Anoja Chamarie Rajapakse, Chaturaka Rodrigo, Senaka Rajapakse. Leukotriene receptor antagonists for chronic urticria: a systematic review. Allergy, Asthma & Clinical Immunology 2014, 10:24
4. Nipun Lakshitha De Silva, MJR Niloofa, Narmada Fernando, Lilani Karunanayake, Chaturaka Rodrigo, H Janaka De Silva, Sunil Premawansa, Shiroma M Handunnetti, Senaka Rajapakse. Changes in full blood count parameters in leptospirosis: a prospective study. International Archives of Medicine 2014, 7:31
5. Deepika Fernando, Nipun Lakshitha de Silva, Isabella Ackers, Rabindra Abeyasingha, Pandu Wijeyaratne, Senaka Rajapakse. Patient satisfaction and uptake of private-sector run malaria diagnosis clinics in a post conflict district of Sri Lanka. BMC Public Health 2014, 14:641
6. Sumadhya Deepika Fernando, Chaturaka Rodrigo, Nipun de silva, Saveen Semege, Senaka Rajapakse, Nilakshi Samaranayake, Sanath Senenayake, Risintha Gayan Premaratne. Educating the security forces, a high risk group in malaria elimination efforts: an example from Sri Lanka. International Health 2014
7. Chaturaka Rodrigo, Nipun Lakshitha de Silva, Ravindi Goonaratne, Keshinie Samarasekara, Indika Wijesinghe, B. Parththipan, Senaka Rajapakse. High dose corticosteroids in severe leptospirosis: a systematic review. Transactions of the Royal Society of Tropical Medicine and Hygiene 2014
8. Nipun Lakshitha de Silva, Keshinie Samarasekara, Chaturaka Rorigo, Lasitha Samarakoon, Sumadhya Deepika Fernando, Senaka Rajapakse. Why do doctors emigrate from Sri Lanka? A survey of medical undergraduates and new graduates. BMC Research Notes 2014, 7:918
9. Roshan Niloofa, Narmada Fernando, Nipun Lakshitha de Silva, Lilani Karunanayake, Hasith Wickramasinghe, Nandana Dickmadugoda, Gayani Premawansa, Rajitha Wickramasinghe, H Janaka de Silva, Sunil Premawansa, Senaka Rajapakse, Shiroma Handunnetthi. Diagnosis of leptospirosis: Comparison between Microscopic Agglutination Test, IgM-ELISA and IgM rapid Immunochromatography test. PLoS ONE 2015, 10:6
10. Senaka Rajapakse, Praveen Weeratunga, M. J. Roshan Niloofa, Narmada Fernando, Chathuraka Rodrigo, Sachith Maduranga, Nipun Lakshitha de Silva, H. Janaka de Silva, Lilani Karunanayake and Shiroma Handunnetti.  Clinical and laboratory associations of severity in a Sri Lankan cohort of patients with serologically confirmed leptospirosis: a prospective study. Transactions of the Royal Society of Tropical Medicine and Hygiene 2015
11. Senaka Rajapakse, Praveen Weeratunga, Roshan Niloofa, Narmada Fernando, Nipun Lakshitha de Silva, Chaturaka Rodrigo, Sachith Maduranga, Nuwanthi Nandasiri, Sunil Premawansa, Lilani Karunanayake, H Janaka de Silva, Shiroma Handunnetti. A diagnostic scoring model for leptospirosis in resource limited setting. PLOS Neglected Tropical Disease 2016
12. Senaka Rajapakse, Praveen Weeratunga, Chaturaka Rodrigo, Nipun Lakshitha de Silva, Sumadhya Deepika Fernando. Prophylaxis of human toxoplasmosis: a systematic review. Pathogens and Global Health 2017
13. Nipun Lakshitha de Silva, Lallindra Gooneratne, Eranga Wijewickrama. Acute myocardial infarction associated with thrombotic microangiopathy following a hump-nosed viper bite: a case report. Journal of Medical Case Reports, 2017
14. Nipun Lakshitha de Silva, Balasundaram Parththipan, Chaturaka Rodrigo, Godwin Constantine, Sumadhya Deepika Fernando, Senaka Rajapakse. Peer assisted learning among Sri Lankan Medical undergraduates: a cross sectional study. BMC Research Notes, 2017
15. Senaka Rajapakse, Nipun Laksitha de Silva, Praveen Weeratunga, Chaturaka Rodrigo, Sumadhya Deepika Fernando. Prophylactic and therapeutic interventions for bleeding in dengue. Transactions of the Royal Society of Tropical Medicine and Hygiene, 2018
16. Narmada Fernando, Rajiva de Silva, Shiroma M. Handunnetti, Lilani Karunanayake, Nipun Lakshitha De Silva, H. Janaka de Silva, Senaka Rajapakse, Sunil Premawansa. Effect of antimicrobial agents on inflammatory cytokines in acute leptospirosis. Antimicrobial agents and chemotherapy, 2018
17. Nipun Lakshitha de Silva, Sriharan Sivayoganathan, Ahalya Sivashangar, Wasanthi Wickramasinghe, Lallindra Goonaratne, Senaka Rajapakse. Can findings on peripheral blood smear differentiate leptospirosis from other infections? A preliminary comparative study. Transactions of Royal Society of Tropical Medicine and Hygiene, 2018
18. Nipun Lakshitha de Silva, Milinda Withana, Peraveen Weertunaga, Prakash Priyadharshana, Inoshi Atukorala. Evolution into Takayasu arteritis in a patient presenting with acute pulmonary oedema due to severe aortic regurgitation; a case report. BMC Rheumatology, 2018
19. Nipun Lakshitha de Silva, Praveen Weeratunga, Thirugnanam Umapathi, Neelika Malavige, Thahsi Chang. Miller Fisher syndrome developing as a parainfectious manifestation of dengue fever: a case report and review of the literature. Journal of Medical case reports, 2019
20. Ponsuge Chathurani Sigera, Ranmalee Amarasekara, Chaturaka Rodrigo, Senaka Rajapakse, Praveen Weeratunga, Nipun Lakshita De Silva, Chun Hong Huang, Malaya K. Sahoo, Benjamin A. Pinsky, Dylan R. Pillai2, Hasitha A. Tissera, Saroj Jayasinghe, Shiroma Handunnetti, Sumadhya D. Fernando. Risk prediction for severe disease and better diagnostic accuracy in early dengue infection; the Colombo dengue study. BMC Infectious Diseases, 2019
21. Nipun Lakshitha de Silva, Suranjith Seneviratne. Haemopoietic stem cell transplantation in Systemic lupus erythematosus: a systematic review. Allergy, Asthma & Clinical Immunology, 2019
22. Senaka Rajapakse, Nipun Lakshitha de Silva, Praveen Weeratunga, Chaturaka Rodrigo, Chaturani Sigera, Sumadhya Deepika Fernando. Carica papaya extract in dengue: a systematic review and meta-analysis. BMC Complementary and Alternative Medicine, 2019
23. Prasad Katulanda, Harsha A. Dissanayake, Ishara Ranathunga, Vithiya Ratnasamy, Piyumi SA Wijewickrama, Nilukshana Yogendranathan, Kavinga KK gamage, Nipun L de Silva, Manilka Sumanatilleke, Noel P. Somasundaram, David R Matthews. Prevention and management of COVID-19 among patients with diabetes: an appraisal of literature. Diabetologia, 2020
24. Noel Somasundaram, Ishara Ranathunga, Vithiya Ratnasamy, Piyumi Wijewickrama, Harsha Dissanayake, Nilukshana yogendranathan, Kavinga Gamage, Nipun Lakshitha de Silva, Manilka Sumanatilleke, Prasad Katulanda, Ashley Grossman. The Impact of SARS-Cov-2 Virus Infection on the Endocrine System. Journal of the Endocrine Society, 2020
25. Damayanthi, D.G.H., de Silva, A.M.N.L., Gunathilake, I.A.G.M.P. and Suraweera, C.U. A qualitative study of mealtime difficulties in patients with dementia who feed themselves. Sri Lanka Journal of Psychiatry, 2020
26. Rasa Threeswaran, Nipun Lakshitha de Silva, Lallindra Gooneratne, Roopen Arya, Shiroma M. Handunnetti, Senaka Rajapakse. Hemostatic derangement in leptospirosis: A prospective cross-sectional study. International Journal of Critical illness and injury science, 2020.  
27. Chaturani Sigera, Senaka Rajapakse, Praveen Weeratunga, Nipun Lakshitha de Silva, Laksirri Gomes, Gathsaurie N Malawige, Chaturaka Rodrigo. Dengue and post infection fatigue: findings from a prospective cohort- the Colombo Dengue study. Transactions of Royal Society of Tropical Medicine and Hygiene, 2020.
28. Jithmi N Samarakoon, Nipun Lakshitha de Silva, Deepika Fernando. Prevalence and Associated Factors of Flat Feet among Patients with Hypertension; Findings from a Cross Sectional Study Carried Out at a Tertiary Care Hospital in Sri Lanka. Archives of Physiotherapy and Rehabilitation, 2020
29. Nipun Lakshitha de Silva, Janith Galhenage, Madhubhashinee Dayabandara, NP Somasundaram. Sheehan syndrome presenting with psychotic manifestations mimicking schizophrenia in a young female; a case report and review of literature. Case Reports in Endocrinology, 2020
30. Ponsuge Chathurani Sigera, Praveen Weeratunga, Sumadhya Deepika Fernando,Nipun Lakshitha de Silva, Chaturaka Rodrigo, Senaka Rajapakse. Rational use of ultrasonography with triaging of patients to detect dengue plasma leakage in resource limited settings: a prospective cohort study. Tropical Medicine and International Health, 2021
31. Nipun Lakshitha de Silva, Noel Somasundaram, Roshana Constantine, Himashi Kularatna. Apoplexy of Crooke cell tumor leading to the diagnosis of severe Cushing disease; a case report. BMC Endocrine Disorders, 2021
32. Sophie Julien, Nipun Lakshitha de Silva, Paul Garner. Plague transmission from corpses and carcasses. Emerging Infectious Diseases, 2021
33. Chathurani Sigera, Chaturaka Rodrigo, Nipun Lakshitha de Silva, Praveen Weeratunga, Deepika Fernando, Senaka Rajapakse. Direct costs of managing in-ward dengue patients in Sri Lanka: A prospective study. PLOS ONE, 2021.
34. De Silva NL, Ganewatte E, Appuhamy C, Sumanatilleke M. Use of partial data from failed adrenal venous sampling to guide surgical management in primary aldosteronism; a case report and review of literature. Sri Lanka Journal of Diabetes, Endocrinology and Metabolism, 2021.
35. De Silva NL, Aravinda LP, Wikramaratne L, Munasinghe J. An elderly female with seizures and abnormal cerebral imaging. Sri Lanka Journal of Diabetes, Endocrinology and Metabolism, 2021.
36. Harsha Anuruddhika Dissanayake, Nipun Lakshitha de Silva, Manilka Sumanatilleke, Sawanawadu Dilantha Neomal de Silva, Kavinga Kalhari Kobawaka Gamage, Chinthana Dematapitiya, Daya Chandrani Kuruppu, Priyanga Ranasinghe, Sivatharshya Pathmanathan, Prasad Katulanda.  Prognostic and therapeutic role of vitamin D in COVID-19: systematic review and meta-analysis. The Journal of Clinical Endocrinology and Metabolism. 2022
37. De Silva N.L, Amarasena P, Liyana Gamage J.K, Senanayake B, Pathmanathan S, Sumanatilleke M. Disabling peripheral neuropathy and radiculomyelopathy at the time of presentation in a patient with active acromegaly; A case report. Sri Lanka Journal of Diabetes, Endocrinology and Metabolism, 2022.
38. Manilka Sumanatilleke, Nipun de Silva, Gayani Ranaweera, Chinthaka Appuhamy, Kanishka Karunaratne, M. V. Chandu de Silva. Postmenopausal hyperandrogenism due to an ovarian sex cord-stromal tumour causing elevated Dehydroepiandrosterone sulfate; a case report. BMC Women’s Health, 2022. (Corresponding author)
39. Nipun Lakshitha de Silva, Tharaka Athukorala, Jayathra Liyana Gamage, Gaya Katulanda, Prasad de Silva, Manilka Sumanatilleke, Noel Somasundaram. Sexual dysfunction among men with diabetes; a cross-sectional study at a specialised diabetes clinic in Sri Lanka. BMC Endocrine Disorders, 2022.
40. De Silva NL, Wickramarachchi RE, Sumanatilleke M, Somasundaram N. Sexual dysfunction among men with diabetes: a review. Sri Lanka Journal of Diabetes, Endocrinology and Metabolism, 2022
41. De Silva NL, Govindapala D, Korbonits M, Somasundaram N. Paraganglioma in a young female. Are we missing a possible inherited aetiology? A case report. Sri Lanka Journal of Diabetes, Endocrinology and Metabolism, 2022
42. Dumitha Govindapala, Priyamali Jayasekara, Rajmohan Rajramanan, Nipun de Silva. Severity of SARS-CoV-2 infection among vaccinated individuals: a hospital-based study. Ceylon Medical Journal, 2022.
43. Nipun Lakshitha de Silva, Mihiran Denagama Jayalath, W.K. Chaminda Sampath, Ranga Perera, Chandana Karunathilake. Primary hyperparathyroidism in an adolescent presenting with genu valgus progressing to extensive bone disease; a case report. BMC Endocrine Disorders, 2023
44. Nipun Lakshitha de Silva, Amitha Fernando, Rohini Wadanambi, ARJP Niyas, Nihal Munasinghe, Gnani Somasundaram. Hyperpyrexia in a previously healthy pregnant female with COVID pneumonia; A case report and review of the literature. Journal of Medical Case Reports, 2023
45. Nipun Lakshitha de Silva, Harsha Dissanayake, Camila Suarez, R.E. Wickramarachchi, Ranjith Ramasamy, Waljit S. Dhillo, Suks Minhas, Giovanni Corona, Channa N. Jayasena. Effect of oestrogen modulation on semen parameters in men with secondary hypogonadism; systematic review and meta-analysis. Andrology, 2023
46. Channa N. Jayasena, Nipun Lakshitha de Silva, Michael O’Reilly, et al. Standardising the biochemical confirmation of adult male hypogonadism; a joint position statement by the Society for Endocrinology and Association of Clinical Biochemistry and Laboratory Medicine. Jointly published by Clinical Endocrinology and Annals of Clinical Biochemistry, 2023.
47. De Silva NL, Sirimanna R, Loku Prathapasinghe A, Ariyarathna K, Jayasekara P, Govindapala D. Clinical audit on in-patient diabetes care in a University Medical Unit. Sri Lanka Journal of Diabetes, Endocrinology and Metabolism, 2023
48. Noel Pratheepan Somasundaram, Nipun Lakshitha de Silva, Lalana Devi Ranasinghe, Ashley Grossman, Lai Mun Wang, Bowlane Gedara Nimal Rathnasena, Gayani Ranaweera, Ananthie Samarasekera. Hepatoid adenocarcinoma masquerading as adrenocortical carcinoma in an elderly male. Sri Lanka Journal of Diabetes, Endocrinology and Metabolism, 2023
49. Nipun Lakshitha de Silva, Hemantha Gunathilaka, Saman Wadanamby, Manilka Sumanatilleke, Noel Somasundaram. Rathke’s cleft cyst discovered with ruptured anterior communicating artery aneurysm; a case report. Journal of Medical Case Reports, 2023
50. M. M. P.T. Jayasekera, N. L. De Silva, E. M. D.T. Edirisinghe, T. Samarawickrama, S. W. D. R. C. Sirimanna, B.G. D. S.Govindapala, G. Senanayake, D. L. N. Wickramaratne, K. Hettigoda, U. D. I. B. Gunawaradana, K. D. P. B. Wijayananda,  R.A. N. K. Wijesinghe. prospective cohort study on post COVID syndrome from a tertiary care centre in Sri Lanka. Scientific Reports, 2023
51. Nipun Lakshitha de Silva, Harsha Dissanayake, Sanjay Kalra, Karim Meeran, Noel Somasundaram, Channa Jayasena. Global Barriers to Accessing off-patent endocrine therapies: a renaissance of the orphan disease? The Journal of Clinical Endocrinology and Metabolism, 2023
52. Rodolfo Hernández, Nipun Lakshitha de Silva, Jemma Hudson, Moira Cruickshank, Richard Quinton, Paul Manson, Waljit S. Dhillo, Siladitya Bhattacharya, Miriam Brazzelli, Channa N. Jayasena. Cost-effectiveness of testosterone treatment utilising individual patient data from randomised controlled trials in men with low testosterone levels. Andrology, 2023
53. Nipun Lakshitha de Silva, Anastasia Damakopoulou, Oliver Quinton, Channa N Jayasena. Metabolic and cardiovascular risks of hormone treatment for transgender individuals. Best Practice and Research Clinical Endocrinology and Metabolism, 2024
54. Govindapala DS, Faiz FA, Goweshaliya S, Munasinghe TMJ, de Silva AMNL. Recognition of overweight and obesity by patients and medical practitioners and their practices related to weight reduction; a cross-sectional study. Journal of the Ceylon College of Physicians, 2024
55. Nipun de Silva, M. N. F. Mufeena, Gayathri Sam, Shashika Dayarathna, Deepthi I. Kumari, Dilushi Wijayaratne, Geethika Patabendige, Saroj Jayasinghe. Carriage of Staphylococcus aureus among patients with and without kidney disease in a selected outpatient unit at National Hospital of Sri Lanka: A preliminary cross-sectional study. Ceylon Journal of Medical Sciences, 2022
56. Nipun Lakshitha De Silva, Nikoleta Papanikolaou, Mathis Grossmann, Leen Antonio, Richard Quinton, Bradley David Anawalt, Channa N. Jayasena. Male hypogonadism: pathogenesis, diagnosis, and management. The Lancet Diabetes & Endocrinology, 2024
57. Nipun Lakshitha de Silva, Bonnie Grant, Suks Minhas, Channa Jayasena, Cardiovascular disease and testosterone therapy in male hypogonadism. Annals of the New York Academy of Sciences, 2024
58. De Silva, N., Quinton, R., De Silva, N.L., Jayasena, C.N., Barbar, B., Boot, C., Wright, R.J., Shipley, T.W. and Kanagasundaram, N.S., Androgen Deficiency, Associations and Survival of Men with Stage 4 and 5 Chronic Kidney Disease: A Cohort Study. Clinical Endocrinology, 2024

Conference Papers

1. De Silva NL, Dayananda WEGKL, Dayaratne GHM, Senarath U. Factors associated with caesarean section in De Zoysa Hospital for Women- A case control study. Proceedings of the 125^th Anniversary international medical congress of the SLMA, 2012
2. De Silva NL, Dayananda WEGKL, Dayaratne GHM. Factors associated with caesarean section in De Zoysa Hospital for Women- A case control study. Proceedings of the 5^th Student scientific sessions, Faculty of Medicine, Colombo, 2012
3. Fernando TRGN, Niloofa MJR, Fernando GTG, De Silva NL, Rodrigo C, Karunanayake L, Wickremesinghe H, Dikmadugoda N, Premawansa G, De Silva HJ, Rajapakse S, Premawansa S, Handunetti SM. Low serum nitrite and anti- oxidant capacity in severe leptospirosis in Sri Lanka. Proceedings of the 6th Annual Scientific Sessions of Institute of Biochemistry, Molecular Biology and Biotechnology.
4. Niloofa MJR, Fernando GTG, Fernando TRGN, Wolttan T, De Silva NL, Rodrigo C, Wickremesinghe H, Dikmadugoda N, Premawansa G, Karunanayake L, Wickremesinghe AR, De Silva HJ, Premawansa S, Rajapakse S, Handunetti SM. Laboratory confirmation of Leptospirosis: Comparison between microscopic agglutination test and IgM rapid test- Leptocheck WB. Proceedings of the 6th Annual Scientific Sessions of Institute of Biochemistry, Molecular Biology and Biotechnology.
5. Fernando SD, Ihalamulla RL, Tillekeratne J, Wickramasinghe R, Wijeyaratne p, De Silva NL, Premaratne R. Meeting challenges of microscopic diagnosis in malaria surveillance under field conditions in Sri Lanka, Proceedings of the 126^th anniversary scientific medical congress of the SLMA, 2013
6. De Silva NL, Wijetunga P, Rajapakse S, Sri Lankan research output in the gobal context: where do we stand?, Proceedings of the 126^th anniversary scientific medical congress of the SLMA, 2013
7. Fernando SD, De Silva NL, Wickramasinghe R, Wijeyaratne p. Mobile malaria clinics: an important aspect of extended malaria surveillance, Proceedings of the 22^nd annual scientific sessions of The Sri Lanka College of Microbiologists, 2013
8. De Silva NL, Niloofa MJR, Fernando TRGN, Fernando GTG, Rodrigo C, Karunanayake L, De Silva HJ, Premawansa S, Handunnetti SM, Rajapakse S. Change of haematological parameters in leptospirosis, proceedings of 46^th Annual Academic Sessions of Ceylon College of Physicians, 2013
9. Fernando TRGN, Handunnetti SM, Niloofa MJR, Fernando GTG, De Silva NL, Wijerathne PPB, Rodrigo C, Karunanayake L, Wickremesinghe H, Dikmadugoda N, Premawanse G, De Silva HJ, Wickremesinghe AR, Premawansa S, Rajapakse S. Rapid detection of severe leptospirosis using a simple cost-effective method, proceedings of 46^th Annual Academic Sessions of Ceylon College of Physicians, 2013
10. TRGN Fernando, MJR Niloofa, GTG Fernando, NL De Silva, C Rodrigo, L Karunanayake, H Wickremesinghe, N Dikmadugoda, G Premawanse, AR Wickremesinghe, HJ de Silva, S Rajapakse, S Premawansa, SM Handunnetti. Low serum anti-oxidant capacity in severe leptospirosis patients in Sri Lanka, proceedings of the 33^rd annual sessions of the institute of biology, 2013
11. TRGN Fernando, MJR Niloofa, NL De Silva, GTG Fernando, PPB Wijerthne, C Rodrigo, H Wickremesinghe, N Dikmadugoda, G Premawanse, L Karunanayake, HJ de Silva, S Rajapakse, S Premawansa, SM Handunnetti. Increased oxidative stress in severe leptospirosis, proceedings of the annual research symposium, University of Colombo, 2013
12. MJR Niloofa, GTG Fernando, TRGN Fernando, T Wolttan, NL De Silva, C Rodrigo, L Karunanayake, AR Wickremesinghe, HJ De Silva, S Premawansa, S Rajapakse, SM Handunetti. Laboratory confirmation of Leptospirosis: Comparison between microscopic agglutination test, IgM ELISA and IgM rapid test- Leptocheck WB, proceedings of the annual research symposium, University of Colombo, 2013
13. De Silva NL, Wijetunga P, Rajapakse S, Sri Lankan research output in the gobal context: where do we stand?, Proceedings of the 14^th annual research symposium of University of Kelaniya, 2013
14. S.D.Fernando, N.L.de Silva, I.Ackers, P.Wijeyaratne, Malaria surveillance in a post conflict district of Sri Lanka and patient satisfaction regarding surveillance activities. Proceedings of the 69^th Annual Sessions of the Sri Lanka Association for the Advancement of Science, 2013
15. Nipun Lakshitha de Silva, Keshinie Samarasekara, Chaturaka Rodrigo, Lasitha Samarakoon, Deepika Fernando. Factors associated with intention to migrate abroad in graduates and undergraduates of a medical faculty in Sri Lanka, Proceedings of 9^th International Medical Education Conference, 2014
16. C Rodrigo, NL de Silva, R Gunaratne, S Rajapakse, V de Silva, R Hanwella. Decline of estimated glomerular filtration rate in patients on long term lithium; a comparative study, proceedings of the 127^th anniversary international medical congress of the Sri Lanka Medical Association, 2014
17. S. D. Fernando, C. Rodrigo, N. de silva, S. Semege, S. Rajapakse, N. Samaranayake, S. Senenayake, R. G. Premaratne. Educating the security forces, a high risk group, on malaria elimination efforts in from Sri Lanka, proceedings of the annual research symposium, University of Colombo, 2014
18. NL de Silva, B Parththipan, C Rodrigo, G Constantine, D Fernando, S Rajapakse. Peer Assisted Learning; Experience from a Medical School in Sri Lanka, Proceedings of the 11^th Annual Conference on higher Education in Sri Lanka, 2015
19. A.M.N.L. de Silva, K.K.T. Virajini, R.V. Dewasinghe, R.A.N.K. Wijesinghe. Simulation Based Medical Education in Medical Emergencies using different Models for Debriefing: A pilot study, Proceedings of the 13^th Annual Conference on higher Education in Sri Lanka, 2017
20. Nipun Lakshitha de Silva, Sriharan Sivayoganathan, A. Sivashangar, Lallindra Gooneratne, Senaka Rajapakse. Blood picture findings in leptospirosis compared to findings in dengue and sepsis; A preliminary study, Proceedings of the 50^th annual academic sessions, 2017
21. Nipun Lakshitha de Silva, Sriharan Sivayoganathan, A. Sivashangar, Wasanthi Wickramasinghe, Lallindra Gooneratne, Senaka Rajapakse. Can Peripheral Blood smear discriminate between leptospirosis, dengue and sepsis; A preliminary comparative study, proceedings of 10^th International Leptospirosis Society Conference, 2017
22. Sigera PC, De Silva NL, Weerathunga P, Rajapaksha S, Jayasinghe KSA, Handunneththi S, Fernando D. A preliminary study of early clinical and laboratory indicators of acute dengue illness, Proceedings of symposia ‘Framing the Response to emerging virus infections, Hong Kong, 2018
23. P.C. Sigera, S. Rajapakse, P. Weeratunga, N.L. de Silva, S. Jayasinghe, S. Handunnetti, S.D. Fernando. Association between plasma leakage in dengue infection and body mass index, proceedings of Annual Research symposium, university of Colombo, 2018
24. DGH Damayanthi, AMNL de Silva, IAGMP Gunathilake, C Suraweera. Feeding problems of dementia patients who are self-fed and attending a psychiatry clinic at National Hospital of Sri Lanka: A qualitative analysis, Proceedings of 3rd clinical nutrition annual academic session of Sri Lanka Medical Nutrition Association, 2018
25. P.C. Sigera, S. Rajapakse, P. Weeratunga, N.L. De Silva, S. Jayasinghe, S. Handunnetti, S.D Fernando. A preliminary study of early clinical and laboratory indicators of acute dengue illness, 74th annual session, Sri Lanka Association for the Advancement of Science, 2018
26. Ponsuge Chathurani Sigera, Ranmali Amarasekera, Chaturaka Rodrigo, Senaka Rajapakse, Praveen Weerathunga, Nipun Lakshitha De Silva, ChunHong Huang, Malaya K Sahoo, Benjamin A. Pinsky, Dylan R. Pillail,  Shiroma Handunnetti, Sumadhya Deepika Fernando. Detection of Dengue by Single Tube Reverse-Transcription-Loop-Mediated Isothermal Amplification (RT-LAMP) in Colombo, Sri Lanka. Proceedings of 132^nd anniversary international medical congress of the Sri Lanka Medical Association, 2019.
27. Ponsuge Chathurani Sigera, Ranmali Amarasekera ,Chaturaka Rodrigo,Senaka Rajapakse ,Praveen Weerathunga, Nipun Lakshitha De Silva ,ChunHong Huang ,Malaya K. Sahoo ,Benjamin A. Pinsky, Dylan R. Pillai, Saroj Jayasinghe ,Shiroma Handunnetti ,Deepika Fernando. Risk prediction for severe disease in early dengue infection; the Colombo Dengue Study. Proceedings of 6th Asia Pacific Intensive care forum, 2019.
28. P Chathurani Sigera, Ranmalee Amarasekara, Chaturaka Rodrigo, Senaka Rajapakse, Praveen Weerathunga, Nipun Lakshitha De Silva, ChunHong Huang, Malaya K. Sahoo, Benjamin A. Pinsky, Dylan R. Pillai, Saroj Jayasinghe, Shiroma Handunnetti, Deepika Fernando. Detection of Dengue by Single Tube Reverse-Transcription-Loop-Mediated Isothermal Amplification in Colombo, Sri Lanka, Proceedings of 6th Asia Pacific Intensive care forum, Singapore, 2019.
29. Ranathunga I, Dilrukshi MDSA, Ratnasamy V, Wijewickrama PSA, De Silva AMNL, Naveenkumar JP, Garusinghe C, Sumanathilleke M, Somasundaram NP. Vitamin D deficiency, Associated factors and possible adverse outcomes in a tertiary care institute in Colombo, A preliminary study. Proceedings of Sri Lanka Endocrine Congress, 2019.
30. De Silva AMNL, Mufeena MNF, Sam G, Dayarathna S, Kumari LEDI, Wijeratne DR, Patabendige CGUA,  Jayasinghe S. A comparison of Staphylococcal carriage rates among patients with and without kidney disease attending outpatient units of University medical unit of National Hospital of Sri Lanka. Proceedings of 52nd Annual Academic Sessions of Ceylon College of Physicians, 2019.
31. PC Sigera, P. Weeratunga, S Rajapakse, C Rodrigo, NL de Silva, Jayasinghe S, Handunnetti S, SD Fernando. Gall bladder oedema and pericholecystic fluid in dengue fever as a marker of progression of plasma leakage and severe dengue. Proceedings of Colombo Medical Congress, 2020.
32. Sigera PC, Rodrigo C, Rajapakse S, Weerathunga P, De Silva NL, Fernando SD. Post-Viral Fatigue in Dengue Infection. Proceedings of 133^rd Anniversary International Medical Congress, 2020
33. Govindapala DS, Faiz FA, oweshaliya S, Munasinghe TMJ, De Silva AMNL. Knowledge, attitude and body weight perception among overweight and obese patients attending general medical clinics of a University Hospital in Sri Lanka. Proceedings of 53^rd Annual Academic Sessions of Ceylon College of Physicians, 2020.
34. De Silva AMNL, Liyanagamage JK, Athukorala TG, de Silva SMP, Sumanatilleke M, Somasundaram NP. Arterial insufficiency in erectile dysfunction associated with diabetes; A preliminary cross sectional study. Proceedings of 53^rd Annual Academic Sessions of Ceylon College of Physicians, 2020.
35. De Silva AMNL, Athukorala TG, Kamaladasa KG, Liyanagamage JK, Katulanda G, Sumanatilleke M, Somasundaram NP. Sexual dysfunction in men with diabetes; A cross sectional study at diabetes clinic, National Hospital of Sri Lanka. Proceedings of 53^rd Annual Academic Sessions of Ceylon College of Physicians, 2020.
36. Sigera, P. Weeratunga, S. Rajapakse, N.L. DeSilva, C. Rodrigo, S.D. Fernando. Rational use of ultrasonography with triaging of patients to detect dengue plasma leakage in resource limited settings: a prospective cohort study. Annual Research Symposium of the University of Colombo, 2020
37. Thisura Wijewardene, Sahan Wijewantha, Nipuni Wijethunga, Nipun Lakshitha de Silva, Deepika Fernando. Depression, anxiety and stress among outpatients with Rheumatoid arthritis followed up at a tertiary care hospital at Sri Lanka; a cross-sectional study. Annual European Congress of Rheumatology, 2021
38. Chathurani Sigera, Praveen Weeratunga, Deepika Fernando, Nipun Lakshitha de Silva, Chaturaka Rodrigo, Senaka Rajapakse. Rational Use of Ultrasonography with triaging of patients to detect dengue plasma leakage in resource limited settings: a prospective cohort study. European Congress of clinical microbiology and infectious disease, 2021
39. Chathurani Sigera, Chaturaka Rodrigo, Nipun Lakshitha de Silva, Praveen Weeratunga, Deepika Fernando, Senaka Rajapakse. Direct costs of managing hospitalized dengue patients in Sri Lanka: a prospective study. European Congress of clinical microbiology and infectious disease, 2021
40. Cooray BAL, Chandrasekara ADKWT, Choden, de Silva NL, Fernando SD. Knowledge and practices with regard to urinary tract infections among pregnant women attending an antenatal clinic at Castle Street hospital for women. 134^th Anniversary medical congress of Sri Lanka Medical Association, 2021.
41. Wijewardena T, Wijewantha S, Wijethunga N, de Silva NL, Fernando D. Association of depression, anxiety and stress among outpatients with rheumatoid arthritis at a tertiary care hospital in Sri Lanka: a cross-sectional study. 134^th Anniversary medical congress of Sri Lanka Medical Association, 2021.
42. Perera JAADAT, Perera KIA, Pathirana WPMN, de Silva NL, Fernando SD. Association between study habits and academic performance of medical undergraduates in selected medical faculties in Sri Lanka. 134^th Anniversary medical congress of Sri Lanka Medical Association, 2021.
43. De Silva AMNL, Athukorala TG, Liyana Gamage JK, Katulanda G, Sumanatilleke M, Somasundaram NP. Cardiovascular autonomic neuropathy in diabetes; Data from male sexual dysfunction study, National Hospital of Sri Lanka. Proceedings of 54th Annual Academic Sessions of Ceylon College of Physicians, 2021.
44. Athukorala TG, de Silva AMNL, Sumanatilleke MR. Clinical characteristics and outcome of patients with craniopharyngioma followed up at the endocrine clinic at National Hospital of Sri Lanka. Annual congress of Sri Lanka College of Endocrinologists, 2021.
45. De Silva AMNL, Athukorala TG, Liyana Gamage JK, de Silva SMP, Katulanda G, Sumanatilleke M, Somasundaram NP. The utilization if penile colour Doppler in the assessment of erectile dysfunction in diabetes; a preliminary cross-sectional study. Annual congress of Sri Lanka College of Endocrinologists, 2021.
46. De Silva AMNL, Athukorala TG, Liyana Gamage JK, Katulanda G, Sumanatilleke M, Somasundaram NP. Sexual dysfunction in men with diabetes mellitus followed up at a tertiary care diabetes clinic; a cross sectional study. Annual congress of Sri Lanka College of Endocrinologists, 2021.
47. Gunasekara A, Sumanatilleke MR, de Silva AMNL, Gamage K, Ajanthan S. Real-world evidence of glycaemic control among patients with Type 2 diabetes mellitus attending NHSL diabetic clinic. Annual congress of Sri Lanka College of Endocrinologists, 2021.
48. Dematapitiya C, Katulanda G, Gunawardena SA, Pathmanathan S, Perera C, de Silva AMNL, Sumanatilleke MR. Utilisation of plasma aldosterone concentration, plasma renin activity and saline infusion test in the diagnosis of primary aldosteronism; a single centre experience. Annual congress of Sri Lanka College of Endocrinologists, 2021.
49. De Silva AMNL, Sumanatilleke MR, Ranaweera GG, Appuhamy WNDBC, Karunaratne NLKG. Postmenopausal hyperandrogenism due to an ovarian sex cord-stromal tumour causing elevated dehydroepiandosterone sulphate; a case report. Annual congress of Sri Lanka College of Endocrinologists, 2021.
50. De silva AMNL, Sirimanna SWDRC, Aravinda LP, Ariyarathna GDKB, Jayasekara MMPT, Govindapala DG. Clinical Audit on inpatient diabetes care in a university medical unit. Proceedings of 55th Annual Academic Sessions of Ceylon College of Physicians, 2022
51. Govindapala DC, Jayasekara MMPT, Rajmohan R, De Silva NL. Severity and predictors of severe COVID-19 among individuals who received at least a single dose of a vaccine against SARS-CoV-2. Proceedings of 55th Annual Academic Sessions of Ceylon College of Physicians, 2022
52. Jayasekara MMPT, Sirimanna SWRDC, De Silva NL, Govindapala BGDS, Senanayake G, Wickramaratne DLN, Hettigoda K, Samarawickrama T, Wijesinghe RANK, Gunawardhana UDIB, Wijayananda KDPB, Edirisinghe EMDT. Post-COVID syndrome; a single center study in a tertiary care center in Sri Lanka. Proceedings of 55th Annual Academic Sessions of Ceylon College of Physicians, 2022
53. DS Govindapala, FA Faiz, S Goweshaliya, TMJ Munasinghe, AMNL de Silva. Overweight and Obesity: Knowledge, Attitudes and Recognition by Patients and Medical Practitioners. Proceeding of the 15^th International Research Conference, Kotelawala Defence University, 2022
54. Subasinghe CJ, Katulanda P, Kottahachchi D, Abhayaratna S, Jayakody S. Wijesinghe A, Garusinghe C, Somasundaram NP, Sumanatilleke M, Cooray S, Bulugahapitiya U, Antonypillai C, Muthukuda DT, Gunatilake S, Pathmanathan S, Ahmad M, Liyanarachchi KD, Samarasekara T, Karuppaiah D, Amarawardena M, Samarasinghe G, de Silva NL, Seneviratne S, Ratnayake GM, Dilrukshi MDSA, Arambewela MH. Characteristics and state of care of patients with type 1 diabetes in Sri Lanka: preliminary analysis from the Database for Young Onset Diabetes (DYOD-SL). Annual Congress of Sri Lanka College of Endocrinologists, 2022
55. Arambewela MH, Antonypillai C, Kottahachchi D, Abhayaratna S, Jayakody S. Wijesinghe A, Garusinghe C, Katulanda P, Somasundaram NP, Cooray S, Sumanatilleke M, Bulugahapitiya U, Muthukuda DT, Dilrukshi MDSA, Pathmanathan S, Ahmad M, Liyanarachchi KD, Samarasekara T, Karuppaiah D, Amarawardena M, Samarasinghe G, de Silva NL, Seneviratna S, Ratnayake GM, Subasinghe CJ, Gunatilake S. Are we giving enough attention to young people with diabetes? A preliminary analysis of the multicenter database for patients with young onset diabetes in Sri Lanka (DYOD-SL). Annual Congress of Sri Lanka College of Endocrinologists, 2022
56. Tharaka Gayaththri Athukorala, Nipun Lakshitha de Silva, Sivatharshya Pathmanathan, Manilka Sumanatilleke, Noel Somasundaram. Characteristics and long-term follow up data of patients with craniopharyngioma; a cross-sectional study at National Hospital of Sri Lanka. Indian Journal of Endocrinology and Metabolism, 2022 (ESICON 2022 abstracts)
57. Chathurani Sigera, Chaturaka Rodrigo, Nipun Lakshitha De Silva, Praveen Weeratunga, Shiroma Handunnetti, Deepika Fernando, Senaka Rajapakse. Clinical predictors of dengue plasma leakage in resource limited settings: a prospective cohort study. 33^rd European Congress of Clinical Microbiology and Infectious Diseases, 2023
58. Nipun Lakshitha de Silva, Nikoleta Papanikolaou, Karim Meeran, Channa Jayasena. Fertility induction in a man with congenital hypogonadotropic hypogonadism. Endocrine Clinical Update, Society for Endocrinology, UK, 2023
59. Nipun Lakshitha de Silva, Mihiran Denagama Jayalath, W.K Chaminda Sampath, Ranga Perera, Chandana Karunathilake. Primary hyperparathyroidism in an adolescent presenting with genu valgus progressing to extensive bone disease; a case report. European Congress of Endocrinology, 2023
60. Nipun Lakshitha de Silva, Harsha Dissanayake, Camila Suarez, R.E. Wickramarachchi, Ranjith Ramasamy, Waljit S. Dhillo, Suks Minhas, Giovanni Corona, Channa N. Jayasena. Effect of selective oestrogen receptor modulators/ aromatase inhibitors on semen parameters in men with secondary hypogonadism; systematic review and meta-analysis. European Congress of Endocrinology, 2023
61. N Lakshitha de Silva, D Papadopoulou, N Mendoza, N Martin. Acromegaly- in remission or not? Imperial Pituitary Masterclass Meeting, 2023
62. B Grant, J Kean, N L de Silva, O Quinton, P Bassett, J McVeigh, A Lingford-Hughes, S Minhas, S Bhasin, W S Dhillo, C N Jayasena, 7945 Modelling the Factors Associated With Sexual and Mood Symptoms Within the First Year of Anabolic-Androgenic Steroid Cessation in Men, Journal of the Endocrine Society, Volume 8, Issue Supplement_1, October-November 2024, bvae163.1636

Books

1. Senaka Rajapakse, Nipun Lakshitha de Silva, Anoja Rajapakse. Long case discussions for the final MBBS. Colombo. Kumaran Book House; 2015
2. Endocrine Investigation protocols, National Hospital of Sri Lanka, 2020

Editorial work

1. Editorial Board Member, ‘Endocrine Connections’ from 2024
2. Academic Editor, ‘PLOS ONE’ from 2022
3. Revision of the course material for the “Epidemiology and control of vector borne diseases” section of the MSc in Medical Entomology and Applied parasitology conducted by department of zoology, Open University of Sri Lanka

Technical Reports

1. Contributed as a resource person to the Clinical Practice Guideline on ‘Thyroid disorders’ by Sri Lanka College of Endocrinologists, published in Sri Lanka Journal of Diabetes Endocrinology and Metabolism. 2020
2. Evidence review for the ‘WHO guideline for plague management: revised recommendations for the use of rapid diagnostic tests, fluoroquinolones for case management and personal protective equipment for prevention of post-mortem transmission’, 2021

Chapters & web documents

1. Palliative Care Manual for Health Care Professionals in Sri Lanka (Chapter on Endocrine and metabolic disorders), Palliative and End of Life Care Task Force, Sri Lanka Medical Association, 2021

1. European Society for Endocrinology Meeting Grant, 2023 for the European Congress of Endocrinology in Istanbul, Turkey
2. Kumaradasa Rajasuriya prize for the best paper in tropical medicine ‘Meeting challenges of microscopic diagnosis in malaria surveillance under field conditions in Sri Lanka’ at 126^th anniversary scientific medical congress of the SLMA, 2013
3. ‘Professor K.N. Seneviratne Prize in Physiology’ for the best performance in physiology in Faculty of Medicine, University of Colombo
4. ‘Professor Dulitha Fernando Medal for Best Performance in Community Stream of the MBBS Degree Programme’ for the best performance in Community Stream in Faculty of Medicine, University of Colombo
5. ‘Dhunjishaw Dadabhoy Gold Medal for Medicine’ for the best performance in Medicine in Faculty of Medicine, University of Colombo
6. ‘Professor D.E. Gunathilake Memorial Prize for Obstetrics and Gynaecology’ for the best performance in Obstetrics and Gynaecology in Faculty of Medicine, University of Colombo
7. ‘Dr. Alaric Jayasinghe Memorial Gold Medal in Paediatrics’ for the best performance in Paediatrics in Faculty of Medicine, University of Colombo
8. ‘Dr. A.D. Wijesena Memorial Gold Medal’ for the best performance in Obstetrics and Gynaecology
9. SLMA prize for the best poster ‘Decline of estimated glomerular filtration rate in patients on long term lithium; a comparative study’ at 127^th anniversary international medical congress of the Sri Lanka Medical Association, 2014
10. Dr. Soma de Sylva prize for the best performance in MD-Medicine selection examination September 2015 to August 2016
11. President’s Awards for scientific publications for year 2014
12. 2017 International Leptospirosis Society (ILS) Travel award for the 10^th ILS annual symposium held at Palmerston North, New Zealand
13. President’s Awards for scientific publications for year 2015
14. President’s Awards for scientific publications for year 2016
15. Prof. K. Rajasuriya Award for the Best Poster Presentation at the 52nd Anniversary Academic Sessions of Ceylon College of Physicians, 2019
16. Merit award for the presentation at Young Physicians’ forum organized by Ceylon College of Physicians
17. Dr Henry Rajaratnam Award for the Best free paper in Endocrinology, Diabetes and Metabolism for the paper titled ‘Arterial insufficiency in erectile dysfunction associated with diabetes; a preliminary cross-sectional study’ at 53^rd Anniversary Academic Sessions of Ceylon College of Physicians, 2020
18. President’s Award for Scientific research for year 2018
19. Dr Henry Rajaratnam Award for the best free paper in Endocrinology/ Diabetes/ Metabolism for the paper titled ‘Cardiovascular autonomic neuropathy in diabetes; data from male sexual dysfunction study at National Hospital of Sri Lanka’ at 54^th Anniversary Academic Sessions of Ceylon College of Physicians, 2021
20. Ranji Wickramanayake Research grant, 2019 awarded by Ceylon College of Physicians