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Accrued Liabilities
12 Months Ended
Dec. 31, 2022
Accrued Liabilities, Current [Abstract]  
Accrued Liabilities
5. Accrued Liabilities
Accrued liabilities as of December 31, 2022 and 2021 consisted of the following (in thousands):
 
    
December 31,
    
December 31,
 
    
2022
    
2021
 
Contract research organization costs
   $ 53,119      $ 38,349  
Other clinical study related costs
     6,582        3,957  
Manufacturing and drug supply
     11,262        3,239  
Compensation and benefits
     14,864        6,769  
Professional fees
     4,867        2,455  
Other
     767        279  
    
 
 
    
 
 
 
Total accrued liabilities
   $ 91,461      $ 55,048