CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS - 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	[1]	$ 33,206	$ 13,946	$ 61,922	$ 22,401
General and administrative	[2]	10,916	4,939	20,381	9,142
Total operating expenses		44,122	18,885	82,303	31,543
Loss from operations		(44,122)	(18,885)	(82,303)	(31,543)
Other income, net:
Interest income, net		10,306		16,393	133
Total other income, net		10,306		16,393	133
Net loss		$ (33,816)	$ (18,885)	$ (65,910)	$ (31,410)
Net loss per share, basic		$ (0.6)	$ (3.78)	$ (1.24)	$ (6.28)
Net loss per share, diluted		$ (0.6)	$ (3.78)	$ (1.24)	$ (6.28)
Weighted-average common shares outstanding, basic		56,515,003	5,000,000	53,352,406	5,000,000
Weighted-average common shares outstanding, diluted		56,515,003	5,000,000	53,352,406	5,000,000

[1] Includes related-party amounts of $2,221 and $8,678 for the three and six months ended June 30, 2024, respectively, and $5,884 and $13,411 for the three and six months ended June 30, 2023, respectively.

[2] No related-party amounts for the three and six months ended June 30, 2024, and $14 and $33 for the three and six months ended June 30, 2023, respectively.