Fig. 2.
Percentage of subjects with clinically significant perioral numbness and tingling after Neosaxitoxin (NeoSTX) injection. Clinically significant perioral tingling and numbness were defined as being more than level 3/10 (with 0 being no sensation and 10 being an unbearable sensation) and lasting 30 min or longer. NeoSTX-Bup = Neosaxitoxin in bupivacaine; NeoSTX-Bup-Epi = Neosaxitoxin in bupivacaine with epinephrine; NeoSTX-Saline = Neosaxitoxin in saline.