Condensed Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Operating expenses
Research and development	$ 27,321	$ 10,405	$ 49,797	$ 19,116
General and administrative	6,114	2,897	12,996	5,631
Total operating expenses	33,435	13,302	62,793	24,747
Loss from operations	(33,435)	(13,302)	(62,793)	(24,747)
Interest income	4,694	264	7,429	613
Interest expense	(39)	(46)	(83)	(90)
Other expense, net	(23)	(7)	(49)	(10)
Total other income, net	4,632	211	7,297	513
Net loss	(28,803)	(13,091)	(55,496)	(24,234)
Other comprehensive (loss) gain
Unrealized (loss) gain on available-for-sale marketable securities, net	(36)	8	(41)	26
Total other comprehensive (loss) gain	(36)	8	(41)	26
Net loss and other comprehensive loss	$ (28,839)	$ (13,083)	$ (55,537)	$ (24,208)
Net loss per share attributable to common stockholders, basic	$ (0.67)	$ (20.86)	$ (1.66)	$ (40.4)
Net loss per share attributable to common stockholders, diluted	$ (0.67)	$ (20.86)	$ (1.66)	$ (40.4)
Weighted-average shares of common stock outstanding, basic	43,125,709	627,589	33,439,886	599,917
Weighted-average shares of common stock outstanding, diluted	43,125,709	627,589	33,439,886	599,917