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Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) (Parenthetical) - USD ($)
$ in Thousands

3 Months Ended

Mar. 31, 2025

Mar. 31, 2024

Research and development

^[1]

$ 19,572

$ 12,504

General and administrative

^[2]

7,536

4,590

Third Rock Ventures LLC

Research and development

0

General and administrative

$ 0

100

Third Rock Ventures LLC | Maximum

Research and development

$ 100

[1]	Includes related party amounts of zero and less than $0.1 million for the three months ended March 31, 2025 and 2024, respectively (see Note 10).
[2]	Includes related party amounts of zero and $0.1 million for the three months ended March 31, 2025 and 2024, respectively (see Note 10).

X

- Definition

The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Paragraph 1
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- Definition

Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
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