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Toxicology can be defined as the discipline which studies the harmful effects of chemical and physical agents (toxic agents) on biological systems, and one which also establishes the extent of the damage caused by the exposure of living organisms to these agents. The professional toxicologist studies the safety of drugs, foodstuffs and other substances. The work of a toxicologist consists of planning, directing and interpreting laboratory and field studies and to identify and assess the toxic effects of a broad range of substances and materials, such as, for example, the safety of new chemicals destined to pharmaceutical use, agricultural products, groceries and other consumer products. The professional toxicologist operates in an environment which includes biopharmaceutical laboratories, technical-scientific services and public safety institutions, analysing potential toxic effects, whether in-vitro (in cell cultures) or in-vivo (in animals).


  • Plan and carry out safety experiments required by law and agencies (Spanish Medication Agency, European Medicines Agency and the US Food and Drug Administration) to authorise the registration and commercialisation of drugs, animal health products and some cosmetic and nutrition products (functional foods).
  • Design and carry out preclinical trials involving animals or in vitro systems, using bacterial, cell or tissue cultures. Also involved in clinical trial sample analysis.
  • Carry out histopathological analyses of biological samples and maintain contact with laboratories and analysis technicians to obtain additional results.
  • Gather statistical data regarding the assessment and carry out an analysis of potential risks, subsequently issuing the relevant advisory reports.
  • Operate under quality assurance and control regulations GLP and GCP (Good Laboratory and Clinical Practice, respectively) in the case of laboratory biopharmacists, and under ISO regulations in the case of environmental matters or other.
  • Lead and coordinate a team of laboratory assistants, supervising the fulfillment of regulations and data collection.
  • Maintain permanent contact with those in charge of quality and regulatory matters to ensure adherence to regulations and experiment design, as well as with physicians and clinical staff in order to gain an in-depth knowledge of pathologies and know how to extrapolate symptoms and test conclusions.
  • Publish articles in specialised journals and attend specific conferences.

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Centre per al desenvolupament professional Porta22

Barcelona Treball (Porta22)
Llacuna, 156-162, 08018 Barcelona

Monday to Friday from 9 to 18 h

Generalitat de Catalunya
Unió Europea FEDER
Unió Europea FSE