The Advanced Research Projects Agency for Health (ARPA-H) posts this funding opportunity in support of the Brain Repair of Any Injured Neural Structure (BRAINS) Exploratory Topic program. ARPA-H anticipates multiple awards with Other Transaction award types resulting from this announcement. Interested parties are invited to review the Innovative Solutions Opening (ISO) ARPA-H-SOL-26-148. Parties interested in submitting a proposal in response to the ARPA-H BRAINS ISO are required (mandatory) to submit a solution summary. No awards will be made, or funding provided as a result of a solution summary submission. Intake Group 1: Solution Summaries Due: July 9th, 2026, 5:00 PM Full Proposals Due: August 6th, 2026, 5:00PM Intake Group 2: Solution Summaries Due: January 7th, 2027, 5:00 PM Full Proposals Due: February 6th, 2027, 5:00PM