No, sorry - all the places for volunteers are already taken but you may still have time to book your front row ticket to see how it pans out!
Yesterday we featured a story about a programme that Channel 4 are airing live on Wednesday 26th September. In a groundbreaking trial, viewers will witness volunteers taking MDMA in an attempt to further understand this controversial drug.
If you have either personal experience of this drug or an opinion on it, Channel 4 are inviting you to be a studio audience member in London and take part in the discussions.
Want to go along and have your say? Here's the link on how to apply for tickets