Table 4. Adverse Effects in FPNS and Placebo Arms^a.

	Average Change (SD)		Number of patients with worse scores after the 6MWT (%)

Variable	FBT	Placebo	FBT	Placebo
Dizzy	-0.4 (1.3)	0.2 (0.4)	0	2 (18.2)
Drowsy	-0.1 (0.3)	0.6 (2.3)	0	2 (18.2)
Nausea	0 (0)	-0.2 (0.6)	0	0
Itchiness	-0.3 (1)	0.3 (0.7)	0	2 (18.2)

Abbreviations: FBT, fentanyl buccal tablet; SD, standard deviation; 6MWT, 6 minute walk test

Each adverse effect was measured using an 11-point numeric rating scale (0=none, 10=worst) immediate before drug administration and immediately after the second walk test (approximately 30 minutes later).

Table 4. Adverse Effects in FPNS and Placebo Armsa.

Table 4. Adverse Effects in FPNS and Placebo Arms^a.