Discovery of the metallopharmaceutical cisplatin and its use in antitumour therapy has initiated the rational design and screening of metal-based anticancer agents as potential chemotherapeutics. In addition to the achievements of cisplatin and its therapeutic analoguesThe wide use of metallopharmaceuticals in contemporary oncology dates to the discovery of cisplatin by Rosenberg and coworkers in 1965 (1). This discovery opened the gate to the unexplored world of metal-based chemotherapeutic agents, which have different pharmacokinetic, pharmacodynamic and pharmacological mechanisms of action than do conventional organic drugs (2). Today, there are many successful metallopharmaceuticals that are primarily used in clinical trials not just to treat cancer but to fight a range of diseases, including parasitic and bacterial infections (3). Over the past several decades, several cisplatin analogues have been screened as potential antitumour agents, but of these, only two (carboplatin and oxaliplatin) have entered worldwide clinical use (4). The clinical use of