Cook pasta according to package directions, omitting salt and fat; drain and keep warm.
While pasta is cooking, prepare sauce: Combine soy sauce through pepper in a bowl, stirring with a whisk; set aside.
To prepare vegetables, heat vegetable oil in a wok over medium-high heat. Add sprouts, onions, carrot, and ginger; stir-fry 3 minutes or until tender. Add chicken; stir-fry 1 minute or until thoroughly heated. Stir in sauce mixture and pasta; cook 4 minutes until pasta is coated, stirring well.