Prof. I.B. Gawarammana
Peer-reviewed Journal Publications
  1. Madushanka Wijerathna T, Mohamed F, Dissanayaka D, Gawarammana I, Palangasinghe C, Shihana F, Endre Z, Shahmy S, Buckley NA. Albuminuria and other renal damage biomarkers detect acute kidney injury soon after acute ingestion of oxalic acid and potassium permanganate. Toxicol Lett. 2018 Oct 6. pii: S0378-4274(18)31962-3

  2. Chanika Alahakoon, Tharaka L Dassanayake, Indika B Gawarammana , E Michael Sedgwick, Vajira S Weerasinghe, Nicholas Buckley. Prediction of organophosphorus insecticide-induced intermediate syndrome with stimulated concentric needle single fibre electromyography Short Title-Prediction of intermediate syndrome with single fibre electromyography. PLoS One. 2018 Sep 27;13(9)

  3. De Silva ANLM, Dawson AH, Gawarammana IB, Tennakoon S, Rajapakse T. Study protocol: a pilot randomized controlled trial to evaluate the acceptability and feasibility of a counseling intervention, delivered by nurses, for those who have attempted self-poisoning in Sri Lanka. Pilot Feasibility Stud. 2018 Sep 24;4:150

  4. Dalugama C, Gawarammana IB. Lessons learnt from managing a case of dengue hemorrhagic fever complicated with acute liver failure and acute kidney injury: a case report. J Med Case Rep. 2018 Aug 8;12(1):215

  5. Wijewickrama ES, Kurukulasooriya I, Gunatilake M, Priyani AA, Gnanathasan A, Gawarammana I, Isbister GK. Determination of the sub-lethal nephrotoxic dose of Russell's viper (Daboia russelii) venom in Wistar rats. Toxicon. 2018 Jul 25;152:43-45.

  6. Dhanarisi HKJ, Gawarammana IB, Mohamed F, Eddleston M. Relationship between alcohol co-ingestion and outcome in profenofos self-poisoning - A prospective case series. PLoS One. 2018 Jul 5;13(7)

  7. Dalugama C, Gawarammana IB. Rare presentation of rickettsial infection as purpura fulminans: case report. J Med Case Rep. 2018:12; 145

  8. Dalugama C, Shelton J, Ekanayake M, Gawarammana IB. Dengue fever complicated with Guillain-Barré syndrome: a case report and review of the literature. J Med Case Rep. 2018 May 15;12(1):137

  9. Sakeena MHF, Bennett AA, Jamshed S, Mohamed F, Herath DR, Gawarammana I, McLachlan AJ. Investigating knowledge regarding antibiotics and antimicrobial resistance among pharmacy students in Sri Lankan universities. BMC Infect Dis. 2018 May 8;18(1):209

  10. Dalugama C, Tennegedara A, Gawarammana IB.De novo subgaleal abscess - a rare presentation of melioidosis: a case report. J Med Case Rep. 2018 Apr 30;12(1):115.

  11. Dalugama C, Gawarammana IB. Fever with pancytopenia: unusual presentation of extrapulmonary tuberculosis: a case report. J Med Case Rep. 2018 Mar 6;12(1):58.

  12. Dalugama C, Gawarammana IB. Fever with lymphadenopathy - Kikuchi Fujimoto disease, a great masquerader: a case report. J Med Case Rep. 2017 Dec 16;11(1):349

  13. Kumanan T, Guruparan M, Vithiya R, Gawarammana I. Mechanisms Involving Myocardial Injury in Tropical Stings and Bites. Case Rep Emerg Med. 2017;2017:4960505. doi: 10.1155/2017/4960505. Epub 2017 Nov 2

  14. Alahakoon C, Dassanayake TL, Gawarammana IB, Weerasinghe VS. Can we predict intermediate syndrome? A review. Neurotoxicology. 2017 Dec 5. pii: S0161-813X(17)30236-X. doi: 10.1016/j.neuro.2017.12.002. [Epub ahead of print

  15. Dalugama C, Gawarammana IB. Confirmed Ceylon krait (Bungarus ceylonicus) envenoming in Sri Lanka resulting in neuromuscular paralysis: a case report. J Med Case Rep. 2017 Nov 24;11(1):330. doi: 10.1186/s13256-017-1503-0.

  16. Gawarammana I, Buckley NA, Mohamed F, Naser K, Jeganathan K, Ariyananada PL, Wunnapuk K, Dobbins TA, Tomenson JA, Wilks MF, Eddleston M, Dawson AH. High-dose immunosuppression to prevent death after paraquat self-poisoning - a randomised controlled trial. Clin Toxicol (Phila). 2017 Nov 3:1-7.

  17. Dalugama C, Gawarammana IB. Dengue hemorrhagic fever complicated with transient diabetic ketoacidosis: a case report. J Med Case Rep. 2017 Oct 28;11(1):302

  18. Pearson M, Metcalfe C, Jayamanne S, Gunnell D, Weerasinghe M, Pieris R, Priyadarshana C, Knipe DW, Hawton K, Dawson AH, Bandara P, deSilva D, Gawarammana I, Eddleston M, Konradsen F. Effectiveness of household lockable pesticide storage to reduce pesticide self-poisoning in rural Asia: a community-based, cluster-randomised controlled trial. Lancet. 2017 Oct 21;390(10105):1863-1872.

  19. Monte AA, Sun H, Rapp-Olsson AM Ms, Mohamed F, Gawarammana I, Buckley NA, Evans CM, Yang IV, Schwartz DA. The Plasma Concentration of MUC5B is Associated with Clinical Outcomes in Paraquat Poisoned Patients. Am J Respir Crit Care Med. 2017 Jul 18. doi: 10.1164/rccm.201705-0866LE

  20. Zawahir S, Gawarammana I, Dargan PI, Abdulghni M, Dawson AH. Activated charcoal significantly reduces the amount of colchicine released from Gloriosa superba in simulated gastric and intestinal media. Clin Toxicol (Phila). 2017 May 23:1-5. doi: 10.1080/15563650.2017.1325897

  21. Wijerathna TM, Gawarammana IB, Dissanayaka DM, Palanagasinghe C, Shihana F, Dassanayaka G, Shahmy S, Endre ZH, Mohamed F, Buckley NA. Serum creatinine and cystatin C provide conflicting evidence of acute kidney injury following acute ingestion of potassium permanganate and oxalic acid. Clin Toxicol (Phila). 2017 May 23:1-7. doi: 10.1080/15563650.2017.1326607

  22. Mohamed F, Buckley NA, Pickering JW, Wunnapuk K, Dissanayake S, Chathuranga U, Gawarammana I, Jayamanne S, Endre ZH. Nephrotoxicity-induced proteinuria increases biomarker diagnostic thresholds in acute kidney injury. BMC Nephrol. 2017 Apr 3;18(1):122. doi: 10.1186/s12882-017-0532-7.

  23. Isbister GK, Jayamanne S, Mohamed F, Dawson AH, Maduwage K, Gawarammana I, Lalloo DG, de Silva HJ, Scorgie FE, Lincz LF, Buckley NA. A randomized controlled trial of fresh frozen plasma for coagulopathy in Russell's viper (Daboia russelii) envenoming. Thromb Haemost. 2017 Apr;15(4):645-654.

  24. Knipe DW, Gunnell D, Pieris R, Priyadarshana C, Weerasinghe M, Pearson M, Jayamanne S, Dawson AH, Mohamed F, Gawarammana I, Hawton K, Konradsen F, Eddleston M, Metcalfe C. Is socioeconomic position associated with risk of attempted suicide in rural Sri Lanka? A cross-sectional study of 165 000 individuals. BMJ Open. 2017 Mar 22;7(3):e014006

  25. Villalta M, Sánchez A, Herrera M, Vargas M, Segura Á, Cerdas M, Estrada R, Gawarammana I, Keyler DE, McWhorter K, Malleappah R, Alape-Girón A, León G, Gutiérrez JM. Development of a new polyspecific antivenom for snakebite envenoming in Sri Lanka: Analysis of its preclinical efficacy as compared to a currently available antivenom.Toxicon. 2016 Nov;122:152-159.

  26. Mohamed F, Endre ZH, Pickering JW, Jayamanne S, Palangasinghe C, Shahmy S, Chathuranga U, Wijerathna T, Shihana F, Gawarammana I, Buckley NA. Mechanism-specific injury biomarkers predict nephrotoxicity early following glyphosate surfactant herbicide (GPSH) poisoning. Toxicology Letters. 2016 Jun 7.

  27. Lamb T, Selvarajah LR, Mohamed F, Jayamanne S, Gawarammana I, Mostafa A, Buckley NA, Roberts MS, Eddleston M. High lethality and minimal variation after acute self-poisoning with carbamate insecticides in Sri Lanka–implications for global suicide prevention. Clinical toxicology. 2016 Jun 1:1-8.

  28. Keyler DE, Gawarammana I, Villalta M, León G, Sellahewa KH, McWhorter K, Malleappah R, Weinstein SA, Gutiérrez JM. A polyspecific antivenom for Sri Lanka: First to include Hypnale. Toxicon. 2016 Jul 31;117:103.

  29. Isbister GK1, Maduwage K1, Saiao A2, Buckley NA3, Jayamanne SF4, Seyed S5, Mohamed F3, Chathuranga U5, Mendes A6, Abeysinghe C7, Karunathilake H8, Gawarammana I5, Lalloo DG9, de Silva HJ4. Population Pharmacokinetics of an Indian F(ab')2 Snake Antivenom in Patients with Russell's Viper (Daboia russelii) Bites. 2015 Jul 2;9(7):e0003873. doi: 10.1371/journal.pntd.0003873. eCollection 2015.

  30. Weerasinghe V, Sedgwick M, Dassanayake T, Gawarammana I, Senanayake N, Naser K, Buckley N, Dawson A. P337: Stimulated single fibre electromyography using concentric needle electrode in organophosphate insecticide poisoning in Sri Lanka. Clinical Neurophysiology. 2014(125):S138.

  31. Wunnapuk K1, Mohammed F, Gawarammana I, Liu X, Verbeeck RK, Buckley NA, Roberts MS, Musuamba FT.Prediction of paraquat exposure and toxicity in clinically ill poisoned patients: a model based approach. 2014 Oct;78(4):855-66. doi: 10.1111/bcp.12389

  32. Senarathna L, Buckley NA, Dibley MJ, Kelly PJ, Jayamanna SF, Gawarammana IB, Dawson AH. Effect of a brief outreach educational intervention on the translation of acute poisoning treatment guidelines to practice in rural Sri Lankan hospitals: A cluster randomized controlled trial. PLoS One. 2013 Aug 19;8(8):e71787

  33. Keyler DE, Gawarammana I, Gutiérrez JM, Sellahewa KH, McWhorter K, Malleappah R. Antivenom for snakebite envenoming in Sri Lanka: The need for geographically specific antivenom and improved efficacy. Toxicon. 2013Jul;69:90-7

  34. Maduwage K, Isbister GK, Silva A, Bowatta S, Mendis S, Gawarammana I. Epidemiology and clinical effects of hump-nosed pit viper (Genus: Hypnale) envenoming in Sri Lanka. Toxicon. 2013 Jan;61:11-5

  35. Silva A, Gunawardena P, Weligama D, Maduwage K, Gawarammana I.Comparative in-vivo toxicity of venoms from South Asian hump-nosed pit vipers(Viperidae: Crotalinae: Hypnale). BMC Research notes. 2012 Aug 29;5:471.

  36. Melissa Pearson, Flemming Konradsen, David Gunnell, Andrew H Dawson, Ravi Peiris, Manjula Weerasinghe, Duleeka W Knipe, Shaluka Jayamanne, Chris Metcalfe, Keith Hawton, A Rajitha Wickramasinge, W Atapattu, Palitha Bandara, Dhammika de Silva, Asanga Ranasinghe, Fahim Mohamed, Nicholas A Buckley, Indika Gawarammana and Michael Eddleston. A community-based cluster randomised trial of safe storage to reduce pesticide self-poisoning in rural Sri Lanka: study protocol BMC Public Health. 2011, 11:879

  37. Gawarammana I and Kyler D. Dealing with adverse reactions to snake antivenom. Ceylon Medical Journal. 2011;56(3):87-90

  38. Kalana Maduwage, Keerthi Kularatne, Abdul Wazil, Indika Gawarammana.Coagulopthy, acute kidney injury and death following Hypnale

  39. zara envenoming the first case report from Sri Lanka. Toxicon. 2011 Dec 1;58(8):641-3

  40. Wunnapuk, Klintean, Gregory A. Medley, Xin Liu, Jeffrey E. Grice, Sudheera Jayasinghe, Indika Gawarammana, Nicholas A. Buckley, and Michael S. Roberts. "Simple and sensitive liquid chromatography– tandem mass spectrometry methods for quantification of paraquat in plasma and urine: Application to experimental and clinical toxicological studies." Journal of Chromatography B 879, no. 28 (2011): 3047-3052. [epub ahead of print]

  41. Gawarammana I and Buckely NA. Medical Management of paraquat ingestion. Br J Clin Pharmacol. 2011 May 26. doi: 10.1111/j.1365-2125.2011.04026.x. [Epub ahead of print]

  42. Gawarammana, Indika B., and Nicholas A. Buckley. "Medical management of paraquat ingestion." British journal of clinical pharmacology 72, no. 5 (2011): 745-757.

  43. Maduwage K, Hodgson WC, Konstantakopoulos N, O'Leary MA, Gawarammana I, Isbister GK. The in vitro toxicity of venoms from South Asian Hump-nosed pit vipers (Viperidae: Hypnale). J Venom Res. 2011;2:17-23. Epub 2011 Jun 8.

  44. Gawarammana IB, Kularatne SAM, Kularatne K, Waduge R, Weerasinghe VS, Bowatta S, Senanayake N. Deep coma and hypokalaemia of unknown aetiology following Bungarus Caeruleus bites: Exploration of pathophysiological mechanisms with two case studies. Journal of Venom Research. 2010;1;71-75

  45. Martin F Wilks , John A Tomenson, Ravindra Fernando , P L Ariyananda, David J Berry, Nicholas A Buckley , Indika Gawarammana , Shaluka Jayamanne , David Gunnell , Andrew Dawson. Formulation changes and time trends in outcome following paraquat ingestion in Sri Lanka. Clinical Toxicology 2011;49:21-8

  46. Dawson AH, Eddleston M, Senarathna L, Mohamed F, Gawarammana I, et al. (2010) Acute Human Lethal Toxicity of Agricultural Pesticides: A Prospective Cohort Study. PLoS Med 7(10): e1000357. doi:10.1371/journal.pmed.1000357

  47. Indika Gawarammana, Fahim Mohamed, Steven J Bowe, Ashoka Rathnathilake, Shantha K Narangoda, Shifa Azher, Andrew H Dawson and Nick A Buckley. Fructose-1, 6-diphosphate (FDP) as a novel antidote for yellow oleander-induced cardiac toxicity: A randomized controlled double blind study. BMC Emergency Medicine 2010; 10:15

  48. M. Wilks, R. Fernando, P. Ariyananda, D. Berry, J. Tomenson, N. Buckley, I.Gawarammana, S. Jayamanne, D. Gunnell, A. Dawson. Time trends and factors influencing survival following paraquat ingestion in Sri Lanka, Toxicology Letters, Volume 196, Supplement, 17 July 2010, Page S324, ISSN 0378-4274,

  49. Gawarammana I, Roberts DM, Mohamed F, Roberts MS, Medley G, Jayamanne S, Dawson A. Acute human self-poisoning with bispyribac-containing herbicide Nominee: a prospective observational study. Clin Toxicol (Phila). 2010Mar;48(3):198-202.

  50. Gawarammana I and Dawson AH. Peripheral burning sensation: a novel clinical marker of poor prognosis and higher plasma paraquat levels in paraquat poisoning. Clin Toxcol (Phila).2010;48:347-349.

  51. Pathiranage M, Kularatne SAM and Gawarammana IB. Fulminant colitis and toxic myocarditis: a unifying cause? Lancet. 2009 Dec 12;374(9706):2026.

  52. Zawahir S, Roberts DM, Palangasinghe C, Mohamed F, Eddleston M, Dawson AH, Buckley NA, Ren L, Medley GA, Gawarammana I. Acute intentional self-poisoning with a herbicide product containing fenoxaprop-P-ethyl, ethoxysulfuron, and isoxadifen ethyl: a prospective observational study. Clin Toxicol (Phila). 2009 Sep;47(8):792-7.

  53. T. Dassanayake, I. Gawarammana, V. Weerasinghe, S. Dissanayake, S. Pragaash, A. Dawson, N. Senanayake. Auditory event-related potential changes in chronic occupational exposure to organophosphate pesticides. Clin Neurophysiol. 2009 Sep;120(9):1693-8.

  54. Kularatne SA, Budagoda BD, Gawarammana IB, Kularatne WK. Epidemiology, clinical profile and management issues of cobra (Naja naja) bites in Sri Lanka: first authenticated case series. Trans R Soc Trop Med Hyg. 2009 Sep;103(9):924-30.

  55. Gawarammana I, Mendis S, Jeganathan K. Acute ischemic strokes due to bites by Daboia russelii in Sri Lanka - First authenticated case series. Toxicon.2009;54:421-28

  56. Mohamed F, Gawarammana I, Robertson TA, Roberts MS, Palangasinghe C, Zawahir S, Jayamanne S, Kandasamy J, Eddleston M, Buckley NA, Dawson AH, Roberts DM. Acute human self-poisoning with imidacloprid compound: a neonicotinoid insecticide. PLoS ONE. 2009;4(4):e5127. Epub 2009 Apr 8.

  57. Gawarammana IB, Ariyananda PL, Palangasinghe C, de Silva NGL, Fernando K, Vidanapathirana M, Kuruppuarachchi MA, Munasinghe MAAK, Dawson AH. Emerging epidemic of fatal human self-poisoning with a washing powder in Southern Sri Lanka: A prospective observational study. Clinical Toxicology.2009 May;47(5):407-11

  58. S L Greene, D M Wood, I B Gawarammana, C Warren-Gash, N Drake, A L Jones, P I Dargan. Improvement in the management of acutely poisoned patients using an electronic database, prospective audit and targeted educational intervention. Postgraduate Medical Journal 2008;84:603-608

  59. Kularatne SAM, Gawarammana IB. Validity of the Weil Felix test in the diagnosis of acute rickettsial infections in Sri Lanka. Transactions of the Royal Society of Tropical Medicine and Hygiene. 2009;103(4):423-4

  60. Dargan PI, Gawarammana IB, Archer JRH, House IM, Shaw D, Wood DM. Heavy metal poisoning from Ayurvedic traditional medicines: an emerging problem? International Journal of Environment and Health.2008;2:463-474

  61. Yi Li, ML Tse, Indika Gawarammana, Nick A Buckley, Michael Eddleston. Systematic review of controlled clinical trials of gastric lavage in acute organophosphorus pesticide poisoning. Clinical Toxicology. 2009 Mar;47(3):179-92.

  62. Perera PMS, Kularathne KS, Gawarammana IB. Laryngeal oedema and metabolic acidosis after omnicide ingestion. Clinical Toxicology.2008 Nov;46(9):858-60

  63. P.M.S. Perera, S. Shahmy, I. Gawarammana, A.H. Dawson. A prospective comparative cohort study on the dosing pattern of atropine in Organophosphorous and Carbamate poisoning in rural Sri Lanka. Human Experimental Toxicology 2008;27(6):513 -518

  64. Greene SL, Gawarammana IB, Wood DM, Jones AL, Dargan PI. Relative safety of hyperinsulinaemia/euglycaemia therapy in calcium channel blocker overdose: a prospective observational study. Intensive Care Medicine.2007;33:2019-2024

  65. Gawarammana IB, Jones AL, Dargan PI. Should all patients with anaemia be screened for chronic lead poisoning? Human and Experimental Toxicology 2006;25(11):645-49

  66. Gawarammana IB, Coburn J, Greene SL, Dargan PI, Jones AL. Severe hypokalaemic, hypochloraemic metabolic alkalosis following ingestion of Gaviscon®. Clinical Toxicology 2007;45:176-178

  67. Gawarammana IB, Greene SL, Dargan PI, Jones AL. Australian Clinical Toxicology Investigators Collaboration randomized trial of different loading infusion rates on N- Acetylcysteine. Annals of Emergency Medicine. 2006;47:124

  68. Wood D, Gawarammana IB, Greene S, Dargan P, Jones A. Insufficient evidence that agitation is common in gamma- hydroxybutyrate toxicity. American Journal of Emergency Medicine.2006;24:257

  69. Kularatne SAM, Gawarammana IB and Kumarasiri PVR. Epidemiology, clinical features, laboratory investigations and early diagnosis of Dengue haemorrhagic fever in adults: a descriptive study in Sri Lanka. South East Asian Journal of Tropical Medicine 2005;36:686-692

  70. Kularatne SA, Kumarasiri PV, Pushpakumara SK, Dissanayake WP, Ariyasena H, Gawarammana IB, Senanayake N. Routine antibiotic therapy in the management of the local inflammatory swelling in venomous snakebites: results of a placebo- controlled study. Ceylon Medical Journal 2005;50:151-155

  71. Gawarammana IB, Kularatne SAM, Kumarasiri PVR, Senanayake N, Dissanayake WP, Ariyasena H. Parallel infusion of hydrocortisone +/- chlorpheniramine bolus injection to prevent acute adverse reactions to antivenom serum for snake bites: a randomized, double blind, placebo-controlled study. Medical Journal of Australia2004;180:20-23

  72. Kularatne SAM, Gawarammana IB, Silva PHJG. Severe Multi- Organ dysfunction following multiple wasp (Vespa affinis) stings. Ceylon Medical Journal 2004;48:146

  73. Kularatne SAM, Gawarammana IB, Kumarasiri PVR, Senanayake N, Dissanayake WP, Ariyasena H. Safety and efficacy of subcutaneous adrenaline as a treatment for anaphylactic reactions to polyvalent antivenom. Ceylon Medical Journal 2004; 48:148-149

  74. Munidasa UAD, Gawarammana IB, Kularatne SAM, Kumarasiri PVR, Goonasekara CDA. Survival pattern in patients with acute organophosphate poisoning receiving intensive care. Journal of Toxicology – Clinical Toxicology 2004;42:343-347

  75. Gawarammana IB, Kularatne SAM. Leptospirosis presenting as alveolar Haemorrhage and acute Pancreatitis: Two case reports. Sri Lanka Journal of Medicine. 2003;12:16-18

  76. Kularatne SAM, Edirisinghe JS, Gawarammana IB, Hiroshi Urakama, Mongkol Chenkhultikul, Ikuo Kaiho. Emerging Rickettsial infections in Sri Lanka: The pattern in the hilly central province. Tropical Medicine and International Health 2003;8: 803- 811
Text books published
  1. Indika Gawarammana. Self poisoning with organophosphorus compounds: epidemiology and Management. 2009 (ISBN: 978-955-51808-0-1)

  2. Indika Gawarammana. Management of Self poisoning with industrial and household chemicals. 2009 (ISBN: 978-955-51808-1-8)

  3. Indika Gawarammana. Management of Self Poisoning with pharmaceutical agents. 2009 (ISBN :978-955-51808-2-5)

  4. Karalliedde L and Gawarammana IB. Traditional Herbal Medicines- A guide to its safer use 2008.Hammersmith Press Ltd, London United Kingdom. (ISBN 978-1-905140-04-6)

  5. Gawarammana I, Eddleston M. Acute poisoning by pesticides in Sri Lanka. In: Encyclopedia of Environmental Health, Ed: Nriagu J et al, Burlington: Elsevier, volume 5, 2011, 241–248.

  6. Contributed to: Lakshman Karalliedde, Simon F J Clarke, Ursula Collignon, Janaka Karalliedde. Adverse Drug Interactions- A Handbook for Prescribers. Hodder Arnold Publishers- 2009 in press(ISBN- 9780340927694)
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