1. A process, method, or course of action that has not been officially authorized, sanctioned, or accepted by the appropriate authority, institution, or regulatory body
The hospital discovered that the surgeon had performed an unapproved procedure on the patient without consent.
O hospital descobriu que o cirurgião havia realizado um procedimento não aprovado no paciente sem consentimento.
2. In medical or institutional contexts, any treatment, operation, or protocol that lacks official approval from regulatory agencies or governing bodies
Using unapproved procedures in clinical trials can result in serious legal consequences.
Usar procedimentos não aprovados em ensaios clínicos pode resultar em sérias consequências legais.