Cilansetron is a drug that is a 5HT-3 antagonist. 5HT-3 receptors are responsible for causing many things from nausea to excess bowel movements. It is thought in conditions like irritable bowel syndrome (IBS) the receptors have become faulty or oversensitive. 5HT-3 antagonists work by blocking the nervous and chemical signals from reaching these receptors. It is not currently known what sort of timeframe the public are looking at to be able to obtain the drug. This matter is not helped by the lack of information about cilansetron and its trials in the public domain. The regulators have also stated this in their responses. There is no information about future trials currently available. Since the licensing of a generic version it is more likely an NHS prescription will be accepted as the branded version is very expensive (Official NHS pricing.)
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