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Accrued Expenses
6 Months Ended
Jun. 30, 2023
Accrued Expenses  
Accrued Expenses

5. Accrued Expenses

As of June 30, 2023 and December 31, 2022, accrued expenses consist of the following (in thousands):

As of

June 30, 

    

December 31, 

    

2023

2022

Accrued external research and development expense

$

5,925

$

15,178

Accrued payroll and related expenses

5,633

6,800

Accrued professional and consulting expense

1,485

1,510

Accrued other

762

833

$

13,805

$

24,321