Operating expenses - Narrative (Details) - EUR (€) € in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Disclosure of attribution of expenses by nature to their function [line items] | ||||
| Operating expense | € 47,589 | € 40,954 | € 95,783 | € 86,811 |
| Research and development expenses | ||||
| Disclosure of attribution of expenses by nature to their function [line items] | ||||
| Operating expense | 38,645 | 28,907 | 77,946 | 64,650 |
| Operating expenses, UC clinical program | 51,929 | |||
| Operating expenses, CD program | 7,416 | |||
| Operating expenses, transversal activities | 14,829 | |||
| Increase in operating expenses, CD program | 6,499 | |||
| General and administrative expense | ||||
| Disclosure of attribution of expenses by nature to their function [line items] | ||||
| Operating expense | € 8,270 | € 9,796 | 16,303 | € 17,932 |
| Decrease in employee benefits expenses | € 1,240 | |||
| Percentage of decrease in the operating expenses | 11.00% | |||