Week 4 and De-escalation
My Sweet Lord A lot is happening very quickly so I better catch up on the blog. First the very wonderful delightful news that my tumor showed > 50% regression 2 weeks after treatment had begun based on a PET/CT scan and therefore I had the option to shorten my treatment from 7 weeks (35 radiation treatments) to 5 and a half weeks (27 radiation treatments). I had this option because as part of my treatment I agreed to enter a clinical trial that was exploring whether shorter treatment was sufficient to maintain efficacy in the HPV positive Stage 1/2 Head and Neck squamous cell carcinoma population. As I had described earlier, the standard 7 weeks treatment duration was optimized for the traditional H&N population that was associated with smoking and was HPV negative. The clinical trial was also investigating several other correlative science endpoints including whether HPV ctDNA was a good biomarker to predict outcome. Investigators are interested in wh...