Table 1.

Clinical data from the pilot study.

		The patients in the pilot study
Measurement	Time	Patient 1 (Placebo)	Patient 2 (BTX-A)	Patient 3 (Placebo)	Patient 4 (BTX-A)
Total Patient subjective symptom score (PSSS)a	Inclusion	22	12	19	27
	6-weeks	24	15	14	21
	12-weeks	12	10	14	8
	6 months	30	22	15	14

^aPSSS represents the sum of four sensational variables (pain, cold-hypersensitivity, numbness, loss-of-sensitivity of touch).