some research, page-22

bubsmark, the info coming up is a conclusion to a clinical trial- results due in August. Given the history of the company and its trial, it is likely, in my view, that the trial will be successful.

There is also this successful colonoscopy trial:

http://www.sciencedirect.com/science/article/pii/S0016510713019822

The trial found that Penthrox was as affective as IV sedation, but also found, re Penthrox:

http://www.gastroenterologyupdate.com.au/latest-news/patient-managed-pain-effective-in-colonoscopy

"Patients in the driving seat of their pain relief were also more likely to remember the results of their procedure and did not run the risk of respiratory depression often associated with IV sedation. They also experienced shorter recovery times and were discharged on average 15 minutes earlier than sedated patients, the gastroenterologists from the Royal Adelaide Hospital reported."
____________

All good stuff.