Advanced Research Centre and Torrent Research Centre, gaining deep insight into the drug development process. His core expertise lies in the interpretation of toxicity studies—a critical and essential step in ensuring drug safety for humans.

ourney in pharmaceuticals industries as preclinical toxicologist:

Dr Rajeshkumar started his professional journey with Sun Pharma Advanced Research Company as Research Assistant in 2023.

He worked at grass root level to understand & implement best animal care practices for highest quality animal supplies and also actively involved in implementation of GLP quality system at the SPARC. He worked as study personnel in acute, sub-acute, chronic, inhalation, ocular, carcinogenicity and reproductive study. He conducted various studies of rodents and non – rodents animals as Study Director. Preparation of SOPs and Toxicology study reports|

As his extended journey of experience, in his association with SPARC (one of the privately held pharmaceuticals company in India) supported the company on GLP test facility. Also, implemented GLP quality system and obtained GLP certification. He also parts the innovation team to deliver the projects from NCE synthesis till clinical phase investigation.

In 2023, embarked on a new chapter as Scientist II at Torrent Research Centre, contributing to cutting-edge research initiatives. During his tenure at Torrent Research Centre, he developed deep expertise in designing toxicity studies, with a strong emphasis on dose-response relationships, understanding the mechanism of action of molecules, and interpreting toxicity data. His work led to the accurate determination of the No Observed Adverse Effect Level (NOAEL), facilitating progression to the next phase of drug development. He was also actively involved in outsourcing preclinical projects and demonstrated a thorough understanding of strategic approaches when collaborating with various Contract Research Organizations (CROs).

 He is an expert in interpreting toxicity studies and evaluating histopathology slides, with specialized skills in bone marrow analysis—including micronucleus test (MNT) slides—special staining techniques, immunohistochemistry, and morphometric assessments. His proficiency extends to peer review of pathology slides and comprehensive pathology reporting. He has served as a Toxicologic Pathology Consultant and currently holds the position of Peer Review Pathologist at Accuprec Research Labs Pvt. Ltd.

Provided Pre- Clinical Services include Risk assessment (Impurities/PDE/OEL/Medical device), Pre-clinical project handling as monitoring scientist (on behalf of sponsor), Medical device testing (in vitro/in vivo) guidance, Regulatory Support- Documents/queries, Play key role as mentor by coaching and training in various organizations and institutes.