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Prepaid expenses
9 Months Ended
Sep. 30, 2023
Prepaid expenses  
Prepaid expenses

8. Prepaid expenses

As of September 30, 2023, prepaid expenses were $12,658, consisting of $11,133 of prepaid R&D clinical costs, $865 of prepaid insurance and $660 of other prepaid costs. As of December 31, 2022, prepaid expenses were $16,267, consisting of $15,188 of prepaid R&D clinical costs, $543 of prepaid insurance, and $536 of other prepaid costs.