Can an individual be enrolled in more than one clinical trial using exception from informed consent?

Affiliations

• ¹ Division of Medical Critical Care, Department of Pediatrics Boston Children's Hospital and Harvard Medical School, Boston, Massachusetts, USA.
• ² Center for Resuscitation Science, Department of Emergency Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, USA.
• ³ Division of Critical Care Medical, Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital and Harvard Medical School, Boston, Massachusetts, USA.
• ⁴ Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, USA.