Condensed Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating expenses
Research and development	$ 22,476	$ 8,711
General and administrative	6,882	2,734
Total operating expenses	29,358	11,445
Loss from operations	(29,358)	(11,445)
Interest income	2,735	349
Interest expense	(44)	(44)
Other expense, net	(26)	(3)
Total other income, net	2,665	302
Net loss	(26,693)	(11,143)
Other comprehensive gain (loss)
Unrealized gain (loss) on available-for-sale marketable securities, net	(5)	18
Total other comprehensive gain (loss)	(5)	18
Net loss and other comprehensive loss	$ (26,698)	$ (11,125)
Net loss per share attributable to common stockholders, basic	$ (1.12)	$ (12.1)
Net loss per share attributable to common stockholders, diluted	$ (1.12)	$ (12.1)
Weighted-average shares of common stock outstanding, basic	23,754,062	921,260
Weighted-average shares of common stock outstanding, diluted	23,754,062	921,260