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Commitments and Contingencies
3 Months Ended
Mar. 31, 2022
Commitments and Contingencies  
Commitments and Contingencies

9.            Commitments and Contingencies

Drug Supplier Project Plan – Total commitments for the Company’s drug supplier project plan were $6.1 million as of March 31, 2022, comprised of $3.7 million for manufacture of the Company’s Grb2 drug substance, $1.6 million for the manufacture of prexigebersen drug product, $0.7 million for manufacturing development and $0.1 million for testing services. The Company expects to incur $6.0 million of these commitments over the next 12 months.