Dr Prasanth underwent undergraduate and post graduate (internal medicine) training at the Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER). He completed medical oncology training from AIIMS, New Delhi in 2009. He had additional training at the University of Texas MD Anderson Cancer Center, Houston, Texas in investigational cancer therapy and phase I clinical trials in 2012-13. He has worked as faculty at the Cancer Institute (WIA), Chennai for over 8 years and joined JIPMER in 2018. His research focuses on haematological cancers, improving supportive care in cancer, breast and gynaecological cancers.