Dharshika K Y P, Weerasinghe I S and Udagama-Randeniya P V (2008). Some entomological aspects and socio-economic factors related to the breeding habitats of Aedes aegyptiand Aedes albopictus in a dengue high risk area in the Colombo district, Sri Lanka. Proceedings of the 28^th Annual sessions of Institute of      Biology, Sri Lanka. pp 44.

Ratnayake P, Udalamaththa V L, Samaratunga U, Wijeratne S, Soysa P, Seneviratne J and Udagama P (2018). Use of human primary cell cultures for screening effects of natural products as an alternative to animal models. 5^th Annual Scientific Sessions of the Sri Lanka Association for Laboratory Animal Science. Pp 41.  (Won best presentation award)

Gunasena M G B,  Udagama P V, Gnanathasan A  and Fernando S P (2018). The phylogenetic status of the Sri Lankan saw scaled viper (family: Viperidae, Echis carinatus sinhaleyusI). Proceedings of 74^th  Annual Sessions, SLAAS. Pp 54

Wathupola A I,  Perera K A and Udagama P V (2018). Serum TNF , IFN and IL 10 levels in oral and oropharyngeal cancer. Annual Research Symposium, 2017, University of Colombo. Pp 246

Peiris O,  Seneviratne S,  Fernando C and  Udagama P (2018), Selected serum cytokines as potential biomarkers of Colorectal cancer. 38^th Annual Sessions Proceedings of Institute of Biology. Pp 29. (Won best presentation award)

Gunasena M G B,  Gnanathasan A  and Udagama P V (2018). SDS PAGE electrophoresis-based profiling of Echiscarinatus venom from Sri Lanka. 38^th Annual Sessions Proceedings of Institute of Biology. Pp 27

Wathupola A, Perera K and Udagama P (2018). Immuno and molecular epidemiologic evidence of the association of human papillomavirus with oral and oropharyngeal cancers in Sri Lanka. Proceedings of Annual Academic Sessions 2018, The Sri Lanka College of Oncologists. Pp 29

Wathupola A I,  Perera K A and Udagama P V (2018). Comparative analysis of serologic and molecular methods for high risk HPV 16 detection in oral and oropharygeal  cancers  in Sri Lanka. Proceedings of 74^th  Annual Sessions, SLAAS. Pp 103. (Won Best poster award in Medical, Dental & Veterinary section)

Kumbukgolla W W, Udagama P V, Gunasena S, Ooi E E and Weerasinghe A (2018). Analysis of dengue viral loads present in asymptomatic mothers of symptomatic children. Annual Research Symposium, 2017, University of Colombo. Pp 231

Rathnayake R M D M, Chang T and Udagama PV (2017). Serum levels of selected inflammatory cytokines and nitric oxide in the progression of Parkinson disease among Sri Lankans. 11^th Annual Academic Sessions, Association of Sri Lankan Neurologists. PP 03

Wathupola A I, Perera K a and  Udagama P V (2017). Risk factors associated with oral and oropharyngeal cancers in Sri Lanka: Importance of human papilloma virus infection. Annual Research Symposium, 2017, University of Colombo. Pp 274

Liyanage C D K, Wathupola K B W M R A I,  Perera K A and  Udagama P V (2017). Promoter hypermethylation of TIMP3 and PCQAP 5’ tumor suppressor genes in saliva of oral and oropharyngeal cancer patients: A pilot study in Sri Lanka. Proceedings of 73^rd Annual Sessions, SLAAS. Pp 78. (Won Best paper award in Life and Earth Sciences)

Wathupola A I. Perera K A and Udagama P V (2017). Molecular detection of human papilloma virus infection in oral and oropharyngeal cancers in Sri Lanka. Annual Research Symposium, 2017, University of Colombo.. Pp 272

Rathnayake L M S M,Katulanda P, Udagama P V.   Gender disparity of the association of serum cytokines IFN – γ, IL-1β, IL-6, IL-10 among Type 1diabetes patients in Sri Lanka: A pilot study. Endocrine Congress of Sri Lanka (ECSL – 2017). July 28 – 30, 2017. Poster no: 21.

Rathnayake LMSM, Katulanda P, Udagama PV. Gender disparity of the association of levels of serum cytokines (IFN-γ, IL-1β, IL-6 and IL-10) among Type 1 diabetic patients in Sri Lanka: A pilot study. Endocrine Congress Sri Lanka. July, 2017. Pp54

Ratnayake R, Udalamaththa V, Samaratunge U, Seneviratne J and Udagama P (2017). Evaluation of cell proliferative potential of herbal extracts as natural stimulants on human hair follicle derived cells.  37^th Annual Sessions of the Institute of Biology, Sri Lanka.Pp 21.

Ratnayake P,  Udalamaththa V,  Samaratunge U, Seneviratne J and  Udagama P (2017). Evaluation of cell proliferative potential of herbal extract as a natural stimulant on human hair follicle derived cells. 37^th Annual Sessions Proceedings of Institute of Biology. Pp 21

Udalamaththa V L, Ratnayake P M S,  Soysa P,  Wijeratne S and Udagama P V (2017). Effect of Sri Lankan wild type mature leaf concentrate of Carica papaya on adipogenic differentiation of in house established human mesenchymal stem cells. Annual Research Symposium, 2017, University of Colombo. Pp 274.

Wathupola K B W M R A I,  Perera K A and Udagama P V (2017). Diagnostic accuracy of in-house developed indirect enzyme-linked immunosorbent assays for HPV16 and HPV18 high-risk human papillomaviral infections in oral and oropharyngeal cancer patients in Sri Lanka. Proceedings of 73^rd Annual Sessions, SLAAS,. Pp 80

Mendis W.U.K, Katulanda P, Udagama P V. Association of inflammatory cytokines and mediators in Type2 diabetes mellitus complications in Sri Lanka. Endocrine Congress of Sri Lanka (ECSL – 2017). July 28 – 30, 2017. Poster number 22.

Liyanage C D K, Perera K A and Udagama P V (2017). A Pilot study to assess the epigenetic biomarkers for oral and oropharyngeal cancer in Sri Lanka. NASTEC/First National Undergraduate Research Symposium. Pp 22

Jayasinghe C D, Ratnasooriya W D and Udagama P V (2016). The mature leaf concentrate of SriLankan wild typeCarica papaya attenuates carrageenan induced acute inflammation via inhitbiting prostaglandin E2. 72^nd Annual Sessions of the Sri Lanka Association for the Advancement of Science.Pp39.

Jayasinghe C D, Hettigodage A N, Gunasena S and Udagama P V(2016). The mature leaf concentrate of Sri Lankan wild type Carica papaya exhibits antitumor activity and regulates antitumor immunity. Allergy &Immunology Society of Sri Lanka, 8^th Biennial Scientific Sessions.Pp29

Jayasinghe C D, Ratnasooriya W D and Udagama P V (2016).Platelet increasing activity of mature leaf concentrate of Sri Lankan wild type Carica papaya: potential mechanisms. University of Colombo Annual Research Symposium, Pp 271

Jayawardena U A,Wickramasinghe D D,Ratnasooriya W D and Udagama PV (2016). Neuro-endocrine and reproductive toxic effects of heavy metal exposure in the Indian green frog, Euphlyctis hexadactylus. Proceedings of the Annual Research Symposium, University of Colombo. Pp273

Jayasinghe C D and Udagama P V(2016). Cancer chemopreventive activity of mature leaf concentrate of Sri Lankan wild type Carica papaya. 2^nd International Conference on Natural products Genomics and Drug Discovery, “Basic and translational research on Cancer and Inflammation”, Galadari Hotel, Colombo, Sri Lanka. Pp14

Kurukulasooriya S P, Jayasinghe C D, Wijeratne S, KaluarachchiA and Udagama Pv (2016). Association ofserum IFNγ, IL10, nitric oxidelevels in the success and failure of pregnancy. Allergy & Immunology Society of Sri Lanka, 8^th Biennial Scientific Sessions. Pp 28

KurukulasuriyaS P, Jayasinghe C D, Wijeratne S, KaluarachchiA and Udagama Pv (2016). Association of serum IFNγ, IL10, nitrogen oxides, estradiol and progesterone levels in the success and failure of pregnancy. Proceedings of the Sri Lanka College of Obstetrics & Gynaecology 2016, Galadari Hotel, Colombo, Sri Lanka. Pp25

Kurukulasooriya S P, Jayasinghe C D, Wijeratne S, KaluarachchiA and Udagama P V (2016). Association of serum IFNγ, IL10, nitrogen oxides, estradiol and progesterone levels in the success and failure of pregnancy. Proceedings of the Sri Lanka College of Obstetrics & Gynaecology 2016, Galadari Hotel, Colombo, Sri Lanka. Pp25

Mendis WUK, Katulanda P, Udagama P V (2016). Association of inflammatory cytokines and mediators in type 2 diabetes mellitus complications in Sri Lanka. Endocrine Congress Sri Lanka. July, 2017. Pp54