Pharmacokinetics and Safety Study of Tapentadol for Postsurgical Pain in Children and Adolescents

Tapentadol OS Bodyweight \<20 kg: Type=4 unit=mg/mL form=oral solution route=oral use or Tapentadol OS Bodyweight \>=20 kg: Type=20 unit=mg/mL form=oral solution route=oral use. Single oral dose administered once.