Funder: National Institutes of Health
Due Dates: June 16, 2025 (New) | July 16, 2025 (Renewal/Resubmission/Revision) | October 16, 2025 (New) | November 16, 2025 (Renewal/Resubmission/Revision)
Funding Amounts: Up to $200,000 direct costs per year, not to exceed $275,000 total over 2 years (R21 mechanism)
Summary: Supports exploratory research to develop advanced human cell-derived microphysiological systems (MPS) that replicate complex nervous system architectures and physiology.
Key Information: Clinical trials are not allowed; high-risk/high-reward, early-stage projects are encouraged; foreign organizations are eligible.