Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Operating expenses
Research and development	[1]	$ 22,680	$ 15,689	$ 42,252	$ 28,193
General and administrative	[2]	6,816	5,111	14,352	9,701
Total operating expenses		29,496	20,800	56,604	37,894
Loss from operations		(29,496)	(20,800)	(56,604)	(37,894)
Other income (expense):
Interest income		2,764	2,679	5,809	4,494
Change in fair value of preferred stock tranche right liability					(7,390)
Total other income, net		2,764	2,679	5,809	(2,896)
Net loss		$ (26,732)	$ (18,121)	$ (50,795)	$ (40,790)
Net loss per share attributable to common stockholders, basic		$ (0.75)	$ (1.7)	$ (1.44)	$ (6.42)
Net loss per share attributable to common stockholders, diluted		$ (0.75)	$ (1.7)	$ (1.44)	$ (6.42)
Weighted-average common shares outstanding, basic		35,444,635	10,666,528	35,356,098	6,356,700
Weighted-average common shares outstanding, diluted		35,444,635	10,666,528	35,356,098	6,356,700
Comprehensive loss:
Net loss		$ (26,732)	$ (18,121)	$ (50,795)	$ (40,790)
Change in unrealized gains (losses) on investments, net of tax		19	(23)	446	(187)
Total other comprehensive income (loss)		19	(23)	446	(187)
Comprehensive loss		$ (26,713)	$ (18,144)	$ (50,349)	$ (40,977)

[1] Includes related party amounts of zero for each of the three months ended June 30, 2025 and 2024, and zero and less than $0.1 million for the six months ended June 30, 2025 and 2024, respectively (see Note 10).

[2] Includes related party amounts of zero for each of the three months ended June 30, 2025 and 2024, and zero and $0.1 million for the six months ended June 30, 2025 and 2024, respectively (see Note 10).