@tdrell For the Lung Biopsy, I had IV sedation through the chest. I had to lay on my abdomen and they went through my back. I went to work the next day. The Nitric Oxide study in Canada was a 10 pt study. I don't know the result of it. I keep checking the web site and sending them emails for updates on the progress. The company is Ait-Pharm check https://www.centerwatch.com/clinical-trials/listings/159841/non-tuberculous-mycobacterial-pneumonia-inhaled-gaseous-nitric-oxide/