Dr. Priyadharsini. R
Associate Professor
Medical Registration number: 
82924, Tamil Nadu Medical Council
Academic Qualifications: 


Special Area of Interest: 
Pharmacogenetics, Clinical Pharmacology and Toxicology, Pharmacovigilance
  1. Priyadharsini R, Surendiran A, Adithan C, Sreenivasan S, Sahoo FK,. Study of Adverse Drug Reactions in Paediatric Patients. J Pharmacol pharmacother 2011;2:277-80.
  2. Subraja K, Dkhar SA, Priyadharsini R, Ravindra BK, Shewade DG, Satheesh S, Sridhar MG, Narayan SK, Adithan C. Genetic polymorphisms of CYP2C19 influences the response to clopidogrel in ischemic heart disease patients in the South Indian Tamilian population. Eur J Clin Pharmacol 2013;69:415-22.
  3. Priyadharsini R, Shewade DG, Subraja K, Dkhar SA, Ravindra BK, Satheesh S, Sridhar MG, Narayan SK, Adithan C. Genetic polymorphisms of CYP3A5*3 contributes to clopidogrel resistance in coronary artery disease patients among South Indian Tamilian population. Mol Biol Rep 2014;41:7265-71.
  4. Priyadarshini R, Umamaheswaran G, Raja TAR, Arun Kumar AS, Subraja K, Dkhar SA, et al. Frequency of single nucleotide platelet receptor gene polymorphism (P2Y12-i744T>C) in coronary artery disease patients among Tamilian population. J Community Genet. 2017 Apr;8(2):127-132. doi: 10.1007/s12687-017-0293-9. Epub 2017 Mar 2.
  5. Sivagourounadin K, Ravichandran M, Rajendran P. National guidelines for gene therapy product (2019): A road-map to gene therapy products development and clinical trials. Perspect Clin Res. 2021;0:0. (DOI:10.4103/picr.PICR_189_20)  
  6. Raja TAR, Reddy RVR, Priyadarshini R. Effect and tolerability of Levamisole in the management of aphthous ulcers – A cross sectional study. IAIM 2015;2(12):27-31.
  7. Raja TAR, Reddy RVR, Priyadarshini R, Buchineni M. An evaluation of anti-hyperglycemic activity of Ocimum sanctum Linn (leaves) in Wistar rats. The Pharma Innovation Journal 2016;5(1):01-3.
  8. Reddy RVR, Raja TAR, Senthil G, Priyadarshini R. Self-Medication practices among II M.B.B.S medical students in a tertiary care hospital – A cross sectional study. The Pharma Innovation Journal 2016;5(4):04-6.
  9. Reddy RVR, Raja TAR, Senthil G, Priyadarshini R. Evaluation of thyroid hormone dysfunction in type – 2 diabetes patients on metformin therapy – A cross sectional study. IAIM, 2016; 3(1): 24-8.
  10. Yadav D, Mishra M, Jadaun P, Choi E, Priyadarshini R, Kong ID. Glycemic index and glycemic load in cardiovascular disease risk. Prog Nutr 2016;18(2):95-101.
  11. Priyadarshini R, Raja TAR, Prakash M, Yadav D. A Study on Levels of Body Mass Index and Waist-hip ratio among Adult Women in a Tertiary Care Health Facility. Prog Nutr 2017;19(2):146–53.
  12. Priyadarshini R, Raja TAR, Dhayaguruvasan M. A Study on Awareness of Pharmacovigilance and determinants of underreporting of Adverse Drug Reactions by Health Care Professionals and General Practitioners. Int J Basic Clin Pharmacol. 2017;5(7):1227-32
  13. Raja TAR, Priyadarshini R,. Motivating but not Labelling the Students: A Qualitative Study on the Preferences of Learning styles among  undergraduate Medical Students. Indian J Physiol Pharmacol 2018; 62(2): 267–273.
  14. Lalitha V, Priyadarshini R, Parghavi V. A Study on Assessment of Sleep Quality in South Indian Pregnant Women. Int J Res Med Sci 2018;6(10):3197-201.
  15. Lalitha V, Priyadarshini R, Parghavi V.A Study on Rate Pressure Product in South Indian Pregnant Women with Anaemia. Int J Adv Med 2018;5(5):1158-62.
  16. Priyadarshini R. Phosphodiesterase 5 Inhibitors and Diabetic Peripheral Neuropathy. Int J Clin Exp Physiol 2018;5:111
  17. Priyadarshini R. Chelation Therapy for Cardiovascular Diseases. Int J Clin Exp Physiol 2018;5:111
  18. Mathiyalagen P, Yadav D, R A, Vasudevan K, Sundar B, Priyadarshini R, Mishra M, Jin J-O. Breakfast consumption habit and its impact on nutrient intake and nutritional status of medical undergraduates. Progr Nutr. 2019;21(3):570-6.
  19. Sivagourounadin K, Subbiah V, Krishnasamy G, Priyadarshini R. A study on haloperidol and risperidone induced metabolic derangements in patients with newly diagnosed schizophrenia. Int J Basic Clin Pharmacol 2020;9:282-8.
  20. Kiruthika S, Priyadarshini R. Ubrogepant: The first gepant to pass food and drug administration for acute migraine. J Pharmacol Pharmacother 2020;11:33-4.
  21. Rajappa M, Mathaiyan J, Priyadarshini R.'Scenarios in Medical Ethics-4: Ethics Committee - Registration and Accreditation'.J Pharmacol Pharmacother 2020;11:151.(DOI:10.4103/jpp.jpp_174_20)
  22. Gaurang N, Priyadarshini R, Balamurugesan K, Prakash M, Devanathan R. Attitudes and beliefs of patients and primary caregivers towards deprescribing in a tertiary health care facility. Pharm Pract (Granada) 2021;19(3):2350-9. doi: 10.18549/PharmPract.2021.3.2350. Epub 2021 Sep 20.

Link to pubmed:

Link to google scholar:


Book chapter

  • Priyadharsini. Antiviral drugs.In: Paul A, Anandabaskar N, Mathaiyan J, Raj GM,
    editors. Introduction to Basics of Pharmacology and Toxicology: Volume 2 : Essentials
    of Systemic Pharmacology : From Principles to Practice [Internet]. Springer Singapore;
    2021 [cited 2021 May 6]. Available from:
Positions Held: 

Member and alternate member secretary of Institute ethics committee (Human studies - Observational)