Repurposing Insulin With Intranasal Administration to Improve Function After Mild Traumatic Brain Injury

Inclusion Criteria: * Subject has presented to a clinic/ER reporting an acute head injury (e.g., a closed head injury or blunt TBI) and presents with at least two symptoms of TBI, as defined by the listed symptoms on the Post-Concussion Symptom Scale (PCSS) * Subject is considered high risk for persistent post-concussion symptoms using the post-concussion symptom (PoCS) clinical decision rule * Subject is between ≥18 and ≤65 years of age * Treatment can be initiated within 5-14 days after injury, inclusive * Subject must be proficient in speaking English in order to comply with instructions a…