Section 111550 does not apply to a drug or device intended solely for investigational use by experts qualified by scientific training and experience to investigate the safety and effectiveness of drugs or devices if the investigation is conducted in accordance with the requirements of Section 505(i) of the federal act (21 U.S.C. Sec. 355(i)) or Section 520(g) thereof (21 U.S.C. Secs. 352 and 360) and the regulations adopted pursuant to the federal act.