Cover page |
6 Months Ended |
|---|---|
Jun. 30, 2025 | |
| Cover [Abstract] | |
| Document Type | 6-K |
| Entity File Number | 001-41842 |
| Entity Registrant Name | Abivax SA |
| Entity Address, Address Line One | 7-11 boulevard Haussmann |
| Entity Address, Postal Zip Code | 75009 |
| Entity Address, City or Town | Paris |
| Entity Address, Country | FR |
| Amendment Flag | false |
| Document Period End Date | 2025 |
| Document Fiscal Period Focus | Q2 |
| Entity Central Index Key | 0001956827 |
| Document Period End Date | --12-31 |
| Current Fiscal Year End Date | Jun. 30, 2025 |
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