Synthetically produced active substances which inhibit the growth of pathogens or neoplastic cells as selectively as possible (e.g. bacteriostatic agents, cytostatic agents) or kill them (e.g. bactericides or fungicides). In general terms, chemotherapeutic agents include sulfonamides, tuberculostatics, organometallic therapeutics, antibiotics, antimetabolites, certain alkaloids, polyfunctional alkylanzines.
For their side effects, see also " Common Toxicity Criteria" below.